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07/26/07 - USPTO Class 446 |  166 views | #20070173171 | Prev - Next | About this Page  446 rss/xml feed  monitor keywords

Reflected light controlled vehicle

USPTO Application #: 20070173171
Title: Reflected light controlled vehicle
Abstract: The remotely controlled toy vehicle of the present invention is configured to respond to a tracking signal of a narrow beam of non-visible light that is projected onto the surface of the ground in proximity of the toy vehicle. The sensors mounted on the toy vehicle are configured to receive, and respond to, the light energy of the beam that is reflected off the surface of the ground. The controller, which is the source of the tracking signal, is a handheld component configured to project the beam of non-visible light to a location as desired by the user. A beam of visible light is also projected as an indicator of the location of the tracking spot. Operation of the toy vehicle is controlled by moving the tracking spot. Preferably, the control circuitry is configured such that the toy vehicle follows the tracking spot. Alternatively, the remotely controlled toy vehicle of the present invention is configured to respond to an auditory tracking signal. (end of abstract)



Agent: Dr. Mark Friedman Ltd. C/o Bill Polkinghorn - Upper Marlboro, MD, US
Inventors: Gyora Mihaly Pal Benedek, Shai Seger, Yehiel Avraham Olti
USPTO Applicaton #: 20070173171 - Class: 446175 (USPTO)

Reflected light controlled vehicle description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20070173171, Reflected light controlled vehicle.

Brief Patent Description - Full Patent Description - Patent Application Claims
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FIELD AND BACKGROUND OF THE INVENTION

[0001]The present invention relates to remote controlled toy vehicles and, in particular, it concerns a remotely controlled toy vehicle that is responsive to a reflected tracking signal.

[0002]Remotely controlled toy vehicles that are responsive to a tracking signal are known in the art. One such device is disclosed in U.S. Pat. No. 6,780,077 to Baumgartener et al. The Baumgartener et al. toy includes a conventionally remotely controlled master toy vehicle with a transmitter configured to broadcast an IR tracking signal, and a slave toy vehicle with at least two directional IR receivers configured to receive a direct signal from the master toy vehicle in order to follow or evade the master toy vehicle.

[0003]Remotely controlling a toy vehicle with a directly received tracking signal drastically limits the range of movement of the toy vehicle since the source of tracking signal must be moved from one location to another in order to direct the movement of the tracking toy vehicle.

[0004]There is therefore a need for a remotely controlled toy vehicle that is responsive to a reflected tracking signal.

SUMMARY OF THE INVENTION

[0005]The present invention is a remotely controlled toy vehicle that is responsive to a reflected tracking signal.

[0006]According to the teachings of the present invention there is provided, a method for remotely guiding a toy vehicle, the method comprising: a) providing a first light source configured to project at least a first narrow beam tracking signal; b) projecting said at least a first tracking signal so as to provide a tracking spot on a surface; c) providing a motorized toy vehicle configured with at least one sensor responsive to a position of said at least a first tracking spot; wherein output from said sensor affects at least one operational feature of said motorized toy vehicle, and said operational feature is effective to change a location of the toy vehicle; and d) altering said position of said at least a first tracking spot so as to alter said at least one operational feature and thereby guide the toy vehicle to a change of location.

[0007]According to a further teaching of the present invention, said first tracking signal is implemented as a beam of light within the spectrum of non-visible light.

[0008]According to a further teaching of the present invention, said first tracking signal is implemented as infrared light.

[0009]According to a further teaching of the present invention, there is also provided at least a second light source providing a beam of visible light, configured to indicate said position of said tracking spot.

[0010]According to a further teaching of the present invention, said light source is implemented in a handheld component operated by a user.

[0011]According to a further teaching of the present invention, said light source is implemented so as to be wearable by a user.

[0012]According to a further teaching of the present invention, said tracking spot is projected onto said surface in proximity to said motorized toy vehicle.

[0013]According to a further teaching of the present invention, there is also provided a control circuit in electronic communication with said at least one sensor, said control circuit configured to receive output from said at least one sensor and to control said at least one operational feature.

[0014]According to a further teaching of the present invention, said at least one sensor is implemented as a plurality of sensors and said at least one operational feature is implemented as a plurality of operational features.

[0015]According to a further teaching of the present invention, said plurality of operational features are implemented so as to include at least locomotion and directional steering of said motorized toy vehicle and said control circuit is in electronic communication with at least a drive motor and a steering mechanism.

[0016]There is also provided according to the teachings of the present invention, a light guided toy vehicle comprising: a) a first light source configured to project at least a first narrow beam tracking signal so as to provide a tracking spot on a surface; and b) a motorized toy vehicle configured with at least one sensor responsive to a position of said at least a first tracking spot; wherein output from said sensor affects at least one operational feature of said motorized toy vehicle, and said operational feature is effective to change a location of the toy vehicle.

[0017]According to a further teaching of the present invention, said first tracking signal is configured as a beam of light within the spectrum of non-visible light.

[0018]According to a further teaching of the present invention, said first tracking signal is configured as infrared light.

[0019]According to a further teaching of the present invention, there is also provided, at least a second light source configured to project a beam of visible light, so as to indicate said position of said tracking spot.

[0020]According to a further teaching of the present invention, said light source is configured in a handheld component operated by a user.

[0021]According to a further teaching of the present invention, said at least one sensor is configured to respond to said tracking spot when said tracking spot is projected onto said surface in proximity to said motorized toy vehicle.

[0022]According to a further teaching of the present invention, there is also provided, a control circuit in electronic communication with said at least one sensor, said control circuit configured to receive output from said at least one sensor and control said at least one operational feature.

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Full patent description for Reflected light controlled vehicle

Brief Patent Description - Full Patent Description - Patent Application Claims

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