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Data Processing: Measuring, Calibrating, Or Testing > Measurement System > Accelerometer

Accelerometer

Accelerometer patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

10/19/06 - 20060235642 - Activity monitoring systems and methods
An activity monitor, comprises housing for attachment to a person; at least one accelerometer disposed within the housing; and a processor disposed within the housing, for processing signals from the accelerometer to assess activity of the person. A method assesses activity of a person, including: sensing acceleration at a first ...

10/19/06 - 20060235641 - Methods for determining the direction of rotation of rotating bodies
A method determines a direction of rotation of a rotating body about its axis of rotation by measuring two acceleration signals x and y with an acceleration sensor. The two acceleration signals x and y are at a 90° angle to each other, are oriented not parallel to the axis ...

10/19/06 - 20060235640 - Method for detecting external acceleration to a hard disk drive by a spindle motor
A method for detecting an external acceleration applied to a hard disk drive is described. The method includes obtaining a running current value for a spindle motor operating a hard disk drive. The running current is provided from a controller coupled with the hard disk drive. The method further includes ...

09/21/06 - 20060212258 - Device and method for measuring accelerations for a passenger protection system in a vehicle
Disclosed is a device for measuring accelerations for a vehicle passenger protection system, whereby a first and second acceleration sensor with a first or second sensitivity direction are fitted in relation to a prespecified main direction of measurement, which form a first or second transverse projection in their projection onto ...

09/14/06 - 20060206284 - Acceleration/deceleration control method and apparatus as well as program of acceleration/deceleration control method
To provide an acceleration/deceleration control method, apparatus and the like for determining the acceleration/decelerations of motors according to, for example, the drive directions, acceleration and deceleration of the motors by a simple algorism. A gravity torque calculation unit 1A calculates gravity torque acting on a joint drive motors for operating ...

07/20/06 - 20060161377 - Low power motion detector
An energy-efficient acceleration measurement system is presented. The system includes an accelerometer, responsive to acceleration of the system, for providing an accelerometer output signal having a magnitude indicative of at least one component of the acceleration. A motion detector is responsive to the accelerometer output signal, and provides a processor ...

07/06/06 - 20060149494 - Monitoring of shock absorbers
A method of determining the damping factor of a shock absorber includes attaching an accelerometer to one of a first and a second part of the shock absorber. The first- and second parts are displaced relative to one another at least once and the acceleration of the parts relative to ...

06/22/06 - 20060136168 - Electronic apparatus and disk protection method
An electronic apparatus includes a body, a triaxial acceleration sensor which is built in the body and includes a long axis and a short axis, a disk device built in the body, a calculation unit that calculates a value on a basis of an acceleration value which is detected by ...

06/01/06 - 20060116849 - Driving control apparatus
A driving control apparatus that can judge whether there is any abnormality in the operation of an acceleration sensor as well as in the mounting direction thereof. The driving control apparatus which controls the operation of a driven part via a driving device is constructed to include an abnormality judging ...

06/01/06 - 20060116848 - System and method for fall detection
A system and method is provided for electronic device fall detection. The system and method provides the ability to reliably detect falls even in the presence of other motion in the electronic device. The fall detection system includes a plurality of accelerometers and a processor. The plurality of accelerometers provides ...

05/11/06 - 20060100817 - Related method and device for counting according to movement of an object
A method for counting according to movement of an object includes the following steps, sensing movement of the object, transferring the movement of the object into a corresponding sensing signal, and when the sensing signal includes a first waveform including a first relative extreme value and two neighboring relative extreme ...

02/16/06 - 20060036396 - System and method for standardized speed-evaluation of athletes
A system and method for standardized speed-evaluation of athletes that uses a photoelectric sensor configuration to create a laser grid by which an athlete's position over time will be monitored during, and analyzed after a test session. The photoelectric laser sensors are configured to establish the athlete's starting and stopping ...

02/09/06 - 20060031039 - Movement monitoring systems and associated methods
Systems and methods are disclosed that monitor movement of a person, or of a vehicle ridden by the person, to determine speed, distance traveled and/or airtime of the person or vehicle. Accelerometer-based sensors, pressure sensors or Doppler sensors may be employed in these systems and methods. A liquid crystal display ...

01/26/06 - 20060020416 - Method for monitoring operating characteristics of a single axis machine
A method for use with an accelerometer that monitors movement of a machine component and generates acceleration values that include at least some noise associated therewith, the method for tracking machine component velocity via the acceleration values, the method comprising the steps of obtaining acceleration values from the accelerometer during ...

01/19/06 - 20060015287 - Sport performance systems for measuring athletic performance, and associated methods
System determines impact of a helmet, comprising: accelerometer and processor, the accelerometer detecting acceleration of the helmet, the processor configured to process the signals from the accelerometer to determine impact of the helmet. System determines athletic performance, comprising: pressure sensor for sensing change in elevation; microprocessor for processing signals from ...

11/24/05 - 20050261867 - Inertia identification for electric actuators with observer based controls
A method to automatically identify the inertia of an actuator (and the like) and load for tuning an observer-based controller is presented. The tuning is a one-time process that is initiated by a user when the actuator is installed. The control includes a model of the actuator with state feedback ...

10/27/05 - 20050240374 - Circuit and method of processing multiple-axis sensor output signals
A dual-axis accelerometer and processing circuit are provided. The accelerometer has a plurality of fixed electrodes supported on a substrate and fixed capacitive plates arranged in first and second sensing axes. An inertial mass is suspended over a cavity and includes movable capacitive plates arranged to provide a capacitive couplings ...

10/20/05 - 20050234676 - Portable device with action shortcut function
A portable information device has an action recognizing function. An action detector precisely detects a single 3-dimensional movement of the device. A plurality of reference action patterns each linked to predetermined functions are registered in an action shortcut table. An action comparator compares the input action with the registered reference ...

10/06/05 - 20050222801 - System and method for monitoring a mobile computing product/arrangement
Described is a system and method for monitoring a mobile computing Arrangement. The arrangement may include a sensor and a processor. The sensor detects first data of an event including a directional orientation and a motion of the arrangement. The processor compares the first data to second data to determine ...

08/11/05 - 20050177335 - System and method for measuring the linear and rotational acceleration of a body part
A system and method for determining the magnitude of linear and rotational acceleration of and direction of impact to a body part, such as a head includes positioning a number of single-axis accelerometers proximate to the outer surface of the body part. A number of accelerometers are oriented to sense ...



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