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Accessory device for mobile host device

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20130012241 patent thumbnailZoom

Accessory device for mobile host device


A method and apparatus for an accessory device for a mobile host device is disclosed. An accessory device for interfacing with a mobile host device includes a communication channel designed to establish a bi-directional communication link between the accessory device and the host device. In some embodiments, the accessory device allows walkie-talkie communication between an accessory device and a mobile host device as well as control by the accessory device of functions of the mobile host device. In some embodiments, the accessory device allows simplified speed dial control of a mobile phone host device. In other embodiments, accessory devices provide walkie-talkie communication with a mobile host device and provide positioning information to a mobile host device so that an application on the mobile host device can track locations of a plurality of accessory devices. These and other embodiments are more fully disclosed herein.
Related Terms: Ion Channel Mobile Phone Communication Channel Directional Communication

Browse recent Zeemote Technology Inc. patents - Taipei, TW
Inventors: Rob PODOLOFF, Lorraine WHEELER, Elaine CHEN, Beth MARCUS
USPTO Applicaton #: #20130012241 - Class: 4554566 (USPTO) - 01/10/13 - Class 455 
Telecommunications > Radiotelephone System >Zoned Or Cellular Telephone System >Location Monitoring >At Remote Station (i.e., Mobile Station)

Inventors:

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The Patent Description & Claims data below is from USPTO Patent Application 20130012241, Accessory device for mobile host device.

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This application is a continuation of co-pending U.S. patent application Ser. No. 13/301,689, which is a continuation of U.S. patent application Ser. No. 12/693,398 (now U.S. Pat. No. 8,063,880), filed on Jan. 25, 2010, which is a continuation of U.S. patent application Ser. No. 11/519,435, filed on Sep. 11, 2006 (now U.S. Pat. No. 7,652,660), which is a continuation-in-part of U.S. patent application Ser. No. 11/249,009, filed on Oct. 11, 2005 (now U.S. Pat. No. 7,280,097). The contents of these applications are incorporated herein in their entirety by reference. This application is also related to U.S. patent application Ser. No. 10/699,555, filed on Oct. 31, 2003 (now U.S. Pat. No. 7,218,313), and U.S. patent application Ser. No. 11/221,412, filed Sep. 6, 2005 (now U.S. Pat. No. 7,669,770).

BACKGROUND

The following description relates to hand-held input acceleration devices for interfacing with electronic devices, such as cellular phones, personal digital assistants (“PDAs”), pocket personal computers, smart phones, hand-held game devices, bar code readers, MP3 players and other similar input devices having a keypad or one or more input elements, and also relates to human interface and input systems for use with the hand-held acceleration devices.

Electronic devices have become increasingly sophisticated and physically smaller due in part to a decrease in the price of processing power and a concurrent increase in demand by consumers for smaller devices. Such devices, however, tend to be limited in function and utility by the user\'s ability to interface with the device for data input (e.g., text, numeric, and functional input) and/or device control, which becomes increasingly more difficult to do as the available space on the device\'s surface for positioning the input elements, which are used for data input and/or device control, continues to decrease.

Moreover, as the use of applications such as text centric applications (e.g., inputting data for e-mail, instant messaging, SMS, and MMS), list navigation applications (e.g. 1-D or 2-D navigation such as scrolling down a long list of songs to choose a song), and game applications (e.g. steering a car in a first person driving game) increases, the keypad on electronic devices, such as a cellular phone, is increasingly becoming a bottleneck to speed, accuracy and ease of data entry, playing games, picking items from long lists, web browsing, and launching applications.

For example, many hand-held electronic devices, in particular cellular phones, typically use a D-pad as the primary way to navigate up and down a list of items, such as a list of songs, on an item-by-item basis. Such item-by-item scrolling, however, is typically inefficient in navigating from the first item in the list to the last item in the list, especially if the list includes hundreds of items. Although most of these electronic devices provide the user with page up and page down functionality, which permits the user the scroll a number of items at once, e.g., some applications may associate ten items per page, often times such page up and page down functionality must be executed through multiple taps or presses of one or more input elements, typically those making up the keypad. The particular number of taps or number of input elements required to evoke such page up and down functionality typically depends on the application developer\'s preference, and therefore often differ from application to application within the same electronic device. Even the same application may be implemented using different user interfaces in different hand-held electronic devices.

Various human interface and input systems and techniques for hand-held electronic devices have been developed for data input and device control. These include miniature keyboards and keypads used in combination with chordal input techniques, modal input techniques and/or smart keys; and touch screens used in combination with on-screen keyboard or keypad software or hand-writing recognition software. Additionally, for gaming, some hand-held electronic devices, such as cellular phones, have incorporated miniature thumb joysticks on the face of the device itself in lieu of the directional navigation pad (D-pad).

Keyboard or Key Pad Used with Chordal, Modal and Smart Key Techniques

Miniature keyboards and keypads are similar to their standard full-size versions—i.e., a keyboard generally has a full set or substantially full set of numeric, character, and functional input elements, while key pads typically have a reduced set of numeric, character and/or functional input elements compared to keyboards. These miniature input devices typically are designed to fit the available space on one surface of a hand-held electronic device or are designed as small, easily transportable, external plug-in devices. Thus, as hand-held electronic devices become smaller, the size of the input elements typically has been reduced in order for the desired number of input elements to fit on one surface of the electronic device.

For data input and device control, miniature keyboards and keypads typically either require one of two input techniques—use of one or more thumbs or fingers to press the desired input elements or use of a stylus to “peck” the desired input elements (which is usually done where the input element is of smaller size). Various techniques, such as chordal input techniques, modal input techniques and smart keys, have been developed and implemented to improve the efficiency and effectiveness of using miniature keyboards and keypads.

Chordal Input Techniques

Chordal input techniques generally are based upon the principle that characters, symbols, words, phrases or concepts can be represented by a reduced set of input elements. Thus, by only having to press a reduced combination of input elements, functionality can be increased and quicker and more accurate data input can be realized. Chordal input techniques can be used on any keyboard or keypad configuration or any device having more than one input element, and typically results in fewer input elements or more functions compared to conventional keyboards or keypads. An example of an electronic device using two-handed chordal input techniques is a court reporter or stenographer\'s typewriter. One chordal input technique using a keypad to decrease the number of actuations to achieve a large number of functions is described in U.S. Pat. No. 5,973,621 to Levy, entitled “Compact Keyed Input Device,” which is incorporated herein by reference.

Modal Input Techniques

Modal input techniques are based on the concept that functions of the electronic device, e.g., text messaging in a cell-phone or PDA, can be accessed by pressing a particular input element (or combination of elements) on a keyboard or keypad. Once that particular input element is pressed, the functionality of all or a portion of the input elements on the keyboard or keypad may change. Modal techniques typically are used in calculators, cellular phones, and PDAs. For example, in cellular phones, a modal technique called multi-tap is common, in which individual input elements on the keypad are associated with multiple symbols, such as characters, letters, numbers, icons or other types of symbols, which tends to reduce the number of input elements required to achieve the desired functions, e.g., a twelve-input-element keypad can be used to represent all letters of the English alphabet and the decimal digits. A user can input a desired symbol within a set of symbols associated with a certain input element by tapping on that particular input element with a thumb, finger, or stylus, one or more times to input the desired character. Thus, if a user desires to send a text message, the user may press a functional input element, e.g., a mode key, to access the text messaging functionality of the cellular phone and then tap an individual input element one or more times to select the associated symbol for input. The number of taps needed to input a particular symbol may differ depending on the language character set chosen. For example, Japanese keypad or keyboards typically require a minimum set of 46 characters for text input, while English or American keyboards and keypads usually require a minimum set of 26 characters for text input. These modal input techniques have gained some popularity as users perform more text functions, but these techniques can be cumbersome because to access some letters or characters, an input element on the keypad may have to be tapped three or four times. Also, in hand-held devices with a keypad, such as a cellular phone, these modal input techniques typically rely on the user\'s thumb, which is not generally as dexterous as the user\'s fingers.

Smart Keys

Smart keys are typically used on keypads and refer to a single key or combination of keys that, when pressed, predict the users next logical action. Some implementations work better than others and some applications reduce the number of keystrokes required to complete a function better than others. Word-predictor software, for example, attempts to predict the word or character the user intends to input based upon one or more letters inputted by the user and the likely probabilities within a given language. The probability of the software guessing correctly increases with the length of the word or number of letters or characters inputted. In a device using smart keys on the keypad, a user may tap the keys 2, 2 and 8 in sequence to generate the word “cat” and the device would display that word first because it is usually the most common combination, whereas the word “bat,” which can be generated by pressing the same keys, would not be displayed first because it is not as common. Also, the word “cat” may be displayed after pressing the 2 key the second time based on a guess by the word-predictor software.

Smart keys also are typically used for Japanese data input where a user phonetically inputs letters representing the sound of the Japanese character (e.g., a Kanji character). Based on the inputted letters, the predictor software guesses the Japanese character. To select the character, a user would press the accept button or use the scrolling function to go to the next character with a similar set of phonetic inputs.

Touch Screen Using On-Screen Keyboard or Handwriting Recognition Software

Using on-screen keyboard or keypad software with a touch screen offers users the ability to enter data with fingers or thumbs on a screen-sized keyboard or buttons, allowing faster data input without a stylus or physical keyboard or keypad accessory; while using handwriting recognition software with a touch screen, such as Graffiti™ on the Palm operating system, offers users the ability to enter text with a stylus by writing the text directly on the touch screen. Touch screens usually consume more power and are more expensive than non-touch-sensitive screens. This higher power consumption can be a problem for hand-held electronic devices, which typically have limited power resources. Moreover, touch screens usually require the user to use both hands (e.g., one hand is used to hold and steady the device while the other hand is used to grasp the stylus), which is generally undesirable for interfacing with and controlling one handed hand-held electronic device, such as cellular phones. Handwriting recognition software has improved the slowness and awkwardness inherent in stylus, finger or thumb input but other drawbacks still remain, such as high power consumption, the necessity to use both hands, and lack of tactile feedback to inform a user when an input element has been. Moreover, recognition software requires training to use properly, and, even then, still results in a high error rate.

Game Control

For game control, many of the above approaches have been used, but in most hand-held electronic devices, a user typically controls game play through the use of some form of input element, such as on a miniature keypad and/or D-pad, which typically is located on the front surface of the device. Game control on some hand-held electronic devices, such as cellular phones, is inherently one handed or at most two thumbed because of the size of the device, while game control on other hand-held electronic devices, such as PDAs and conventional game console controllers, is typically two-handed. The input elements associated with game control on these devices are typically digital, particularly the D-pad, even though analog input elements have been used on game controllers for PC and console game systems, such as Microsoft\'s Xbox or Sony\'s Play Station 2.

Child-Friendly Mobile Devices

Some of the mobile handset manufacturers have designed special mobile handsets designed for children. These handsets typically limit the number of available buttons. For example, in lieu of a full numeric keypad, navigation keys, and other user input elements, these handsets tend to have just a few buttons to execute certain functions. For example, the FireFly™ child phone has a “mommy” and “daddy” button, a phone book button that stores a few numbers, as well as keys for starting and ending a call. The LG Migo™ and the Wherifone™ phones have four or five programmable keys to allow the parent to program in a phone number for the child to use. The Tic Talk™ phone has no buttons on the face of the phone. The parent typically can set up a list of people or phones (with phone numbers attached) for the child to call, and the child simply scrolls through a list using two input elements on the side to select the person to call. These products tend to be designed with bright attractive colors that are appropriate for the age group they are being marketed to. The Tic Talk™ phone also is provided with preloaded games that the child can play.

Alternatively, a conventional mobile handset can be obtained from cellular operators that can be limited in functionality and usage. A parent can program a child\'s handset with a list of phone numbers to restrict the outbound calls from the child\'s handset to the phone numbers on the list. For example, the child may dial 911, and the numbers of their parents and grandparents, but they may not dial anyone else\'s number even if the child dialed the number manually on the keypad. The parent may also lock out access to the phone during certain periods of time in the day. For example, the parent can set up the phone such that the child may not dial or send text messages to any number except 911 during the time the child is supposed to be in school. Disney® Mobile is an example of a family oriented service that specifically caters to parents who wish to monitor or manage the mobile handset usage of their children.

There are also non-handset products that are designed for children. The ChatNow™ handset from Hasbro® is essentially a walkie talkie that provides voice communication and text messaging without the expense of a service plan. The ChatNow handset is designed to look and work like a mobile handset but uses radio communications with an operating range of a two mile radius.

SUMMARY

The present inventors recognized that conventional human interface and input systems for hand-held electronic devices tended to be relatively inflexible, cumbersome, and inefficient to use, among other reasons, because they were not designed to take advantage of the biomechanics of the human hand, particularly the advantages associated with the opposition of the thumb to the fingers and the beneficial attributes of the thumb, e.g., its large range of motion and ability to impart large sustained forces, and the beneficial attributes of the fingers, e.g., their fine motor control, spatial memory and rapidity of motion.

The present inventors also recognized that the input techniques developed to improve the efficiency of data input and device control, such as chordal and modal techniques, were limited by the inefficiencies inherent in conventional input systems. For example, miniature keyboards and keypads used in combination with chordal input techniques not only required the user to memorize numerous input combinations and develop the necessary motor skills to control a reduced number of input elements to provide even more complex functionality compared to typical QWERTY keyboards, but also did not use or allocate input tasks to the fingers and thumb of the human hand effectively. Moreover, miniature keyboards and keypads used in combination with modal input techniques tended to limit the user\'s ability to efficiently input data depending on the number of taps required to input a particular symbol and how fast the user could tap the input element with his thumb or a stylus to select the particular symbol.

The present inventors also recognized that, with the emergence of multimedia capabilities, such as MP3, in many hand-held electronic devices, there is a need to support fast and intuitive scrolling and list navigation actions. For example, many hand-held electronic devices, in particular cellular phones, typically use a D-pad as the primary way to navigate up and down a list of items, such as a list of songs, on an item-by-item basis. Such item-by-item scrolling, however, is typically inefficient in navigating from the first item in the list to the last item in the list, especially if the list includes hundreds of items. Moreover, the page up and page down functionality provided on many of these devices to make it easier for a user to navigate long lists of items often must be executed through multiple taps or presses of one or more input elements. The particular number of taps or number of input elements required to evoke such page up and down functionality usually depends on the application developer\'s preference, and therefore often differs from application to application within the same electronic device.

The present inventors also recognized that a user\'s ability to control game play in such devices was greatly limited. For example, while analog game control has been available to users of PC and console game systems, analog game control generally has not been widely available on hand-held electronic devices, such as cellular phones and PDAs. As noted above, most high end games that run on a gaming platform such as the Xbox or the Play Station 2 involve analog or continuous inputs from one or more input elements, such as a miniature or full sized joystick. Cellular phones and PDAs, in contrast, provide only buttons or keys as input elements for game play. Moreover, to the present inventors knowledge, there are no standards for input element layout for cellular phones, or in the way that the input elements are mapped to gaming functions. For example, often times, the D-pad provided on most of these cellular phones is not available to the game developer to use as a game input. The result is that directional movement input is often provided using the number input elements on the keypad, particularly the “2”, “8”, “4”, and “6” input elements on the keypad for up, down, left and right directional movement. The present inventors recognized that this layout presents several problems. First, the input is discrete, so there is no way to provide a continuous input, such as steering a car in a first person driving game. In such as game, the car can be steered to move only left, straight, or right in preset increments, which severely limits the quality of the gaming experience. Second, directional movement is provided by the number input elements while the clearly labeled arrow keys on the D-pad remain unused. This typically requires getting used to and may create user confusion. Third, the number input elements are typically located on one end of the phone\'s surface, and are thus less comfortable to use than the D-pad which is typically located above the number input elements. The result is that game play is limited and not as widely adopted as it might be with a better interface.

The present inventors have further recognize that conventional mobile handsets are often too complex to be practical for a young child\'s use, and the expense of the service plan associated with the mobile handsets can often be prohibitive. The special mobile handsets, while easier for a young child\'s use, are typically expensive and can be prone to being outgrown by the child as he grows older.

Consequently, the present inventors have developed a flexible and efficient human interface and input system and techniques that may be implemented on a variety of small hand-held accessory devices or “input accelerator” devices, such as a key fob or remote control. An input accelerator device or an accessory device may connect to one or more conventional hand-held electronic devices (i.e., a host electronic device), such as a cellular phone, PDA, pocket PC, smart phone, MP3 player, or other similar devices using a wired or wireless communication protocol, such as Bluetooth, and remotely control all functions of the connected host electronic devices. The accessory device may be used in conjunction with the input elements on the host electronic device to accelerate the user\'s ability to perform functions such as text input, game play, list navigation and scrolling. Alternatively, the accessory device can even eliminate the need to directly interface with the inefficient human interface and input systems of the connected host electronic devices. The accessory device may also be implemented to include various hybrid devices including a wireless headset in addition to the functions of a remote control. The accessory device (whether one handed or two handed) may also be implemented to utilize the opposed thumb and finger ergonomics inherent in the hand and the skills already developed for using conventional input techniques to accomplish data input, list navigation, device control, and game control in a timely, efficient, comfortable, fun, and intuitive manner. Thus, no specialized training beyond that normally expected with any newly purchased hand-held device is expected. Further, the accessory device can be provided with a specially designed user interface that is appropriate for a young child\'s use. This child friendly accessory device can be implemented to customize and control a conventional mobile handset for young children. Any regular mobile handset may thus be converted to a child-friendly communication device that allows a child to stay in touch with his or her caregivers, or an elderly person to stay in touch with their families at all times. The device can work with many pre-existing mobile handsets, making the cost of ownership far lower than any existing products with cellular network coverage. This invention promotes personal security and peace of mind to members of society who are vulnerable to unsafe situations.

Implementations of the human interface and input system and techniques for the accessory device described here may include various combinations of the following features.

In one aspect, an accessory device for interfacing with a mobile host device includes a communication channel designed to establish a bi-directional communication link between the accessory device and the host device. The accessory device also includes a processor communicatively coupled to the communication channel. The processor is designed to execute a plurality of applications. In addition, the accessory device includes an input assembly communicatively coupled to the processor. The input assembly is designed to minimize a total number of input elements included in the input assembly. Further, at least a first input element being selectively mapped to one or more input functions of the host device based on a user selection.

In another aspect, an accessory device is designed by providing a communication channel used to transmit data bi-directionally between a host device and the accessory device. Also, a storage unit is be provided to communicatively couple to the communication channel. The storage unit is designed to store one or more data. Further, on one or more surfaces, an input assembly is disposed. The input assembly includes various input elements designed to receive human input through manipulation of the input elements. At least one of the input elements is further designed to be selectively mapped to one or more functions of the host device. In addition, an accessory processor is provided to communicatively couple to the storage unit, the communication channel, and the input assembly. The accessory processor is designed to execute the one or more data.

In yet another aspect, various host devices can be controlled by providing an accessory device. The accessory device includes a communication channel designed to transmit data bidirectionally between the plurality of host devices and the accessory device. The accessory device also includes a storage unit communicatively coupled to the communication channel. The storage unit is designed to store various data. The accessory device further includes an input assembly including various input elements. At least a first input element is designed to be selectively mapped to one or more input functions of the host device. The accessory device also includes a processor communicatively coupled to the communication channel and the input assembly, wherein the processor is operable to process one or more data. Further, various host devices can be controlled by actuating at least the first input element to control at least a first selectively mapped function of the host device using the communication channel.

Implementations can optionally include one or more of the following features. The accessory device can also include an output unit communicatively coupled to the processor. The output unit is designed to output an output data based on a user activation of at least the first input element. The output unit can include a speakerphone. Further, the accessory device can include a storage unit communicatively coupled to the communication channel, with the storage unit designed to store various data. In some instances, the storage unit includes a removable memory unit including a SD memory card, a mini-SD memory card, a micro-SD memory card, and a compact flash card. Also, the communication channel can be designed to transmit both data and voice communication. In addition, the communication channel can be designed to interface with one or more additional accessory devices. Also, the communication channel can further include a wireless data connection including at least one of a Bluetooth connection, an Infrared connection, a Wi-Fi connection, and a WiMAX connection. Also, the accessory device of claim can include a global positioning system (GPS) unit communicatively coupled to the processor. The GPS unit is designed to transmit positioning data of the accessory device to the host device. The input assembly can be further designed to optimize a biomechanical effect of the human user\'s opposing thumb and fingers.

The input accelerator device and human interface and input systems and techniques described herein may provide one or more of the following advantages. The human interface and input system and associated techniques offer the functionality of a high performance game controller, which can support the most demanding game input requirements, and the speed and accuracy of data input that can be obtained with the use of a conventional standard QWERTY keyboard, but without the large footprint. Also, the human interface and input system and associated techniques can increase the number of functions that may be associated with a given number of input elements without increasing the number of keystrokes or taps that is required. Moreover, it allows the input element size to remain consistent with the ergonomics of the human hand without increasing the time it takes to learn how to use the input system compared to conventional input systems.

Implementing the human interface and input system and techniques on an input accelerator device can eliminate the need to interface with inflexible, cumbersome, and inefficient input systems provided with conventional hand-held electronic devices. Since the input accelerator device can connect to multiple hand-held electronic devices using wired or wireless communication protocols a singled input accelerator device can make up for deficiencies of multiple conventional hand-held electronic devices. Thus, the input accelerator device can eliminate the need to retrofit or redesign conventional hand-held electronic devices to directly implement the disclosed human interface and input system and associated techniques. In addition, the input accelerator device can be small and aesthetically valuable as a fashion accessory. For example, the input accelerator device may be implemented to include logos of sports teams or cartoon characters in addition to a wide selection of colors. The input accelerator device also may be easily attached to a keychain or a phone leash or clipped on or carried in a pocket or purse.

In addition, an accessory device for customizing a host mobile device as described herein can provide a fresh user interface (UI) and features for the host mobile device and bypass the inherent UI and functionality of the host mobile device. The accessory device also provides a small, hand-held, and low-cost mobile device for customizing the UI of a preexisting conventional mobile device without having to modify or replace the conventional mobile device. The customizable accessory device can be designed to provide a user interface and a set of functionality appropriate for a target demographic (e.g., young children). The accessory device provides a simpler UI for a child\'s use, and the parent can pair the accessory device with a conventional mobile handset. Thereafter, the functionality on the mobile handset can be easily controlled by the child interfacing with the accessory device. The accessory device can also include walkie-talkie functionalities to allow a parent to communicate with a child equipped with the accessory device without incurring air time fees. Further, the accessory device can include a global positioning system (GPS) unit to assist the parent track the location of the child. In addition to helping children stay in touch with their parents and get emergency help when needed, the subject matter disclosed herein can also be applied to provide an easy-to-use mobile interface for other demographics, such as elderly persons or persons with conditions resulting in special cognitive and user interface needs.

Details of one or more implementations are set forth in the accompanying drawings and the description below. Other features and advantages will be apparent from the description and drawings, and from the claims.

DESCRIPTION OF DRAWINGS

FIG. 1 is a block diagram of a hand-held input accelerator device upon which the human interface and input system may be implemented.

FIG. 2 is another block diagram of a hand-held input accelerator device upon which the human interface and input system may be implemented.

FIG. 3 is a block diagram of the human interface and input system.

FIG. 4 is a detailed block diagram of the input assembly of the human interface and input system.

FIGS. 5a-d show front, side, and back views, respectively, of a hand-held input accelerator device wherein a second input assembly includes a pressure sensor arrays having a plurality of configurable active areas.

FIG. 6 illustrates an alternate implementation of the second input assembly on a hand-held input accelerator device.

FIGS. 7a-d depict one implementation of a hand-held input accelerator device comprising a combination of a remote control and a wireless headset.

FIG. 8 is a block diagram of an accessory device for providing a customized user interface.

FIGS. 9a-b depict one implementation of an accessory device having customized user interface.

FIGS. 9c-d illustrate an accessory device for controlling voice communication functions of a host device.

FIG. 9e depicts an accessory device customized to include a short radio transceiver for communication with a host device or an additional accessory device.



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stats Patent Info
Application #
US 20130012241 A1
Publish Date
01/10/2013
Document #
13615288
File Date
09/13/2012
USPTO Class
4554566
Other USPTO Classes
455557
International Class
/
Drawings
19


Ion Channel
Mobile Phone
Communication Channel
Directional Communication


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