Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Patent
1997-04-28
1999-02-23
Shankar, Vijay
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
345901, 178 1803, 178 1905, G08C 2100, G09G 500
Patent
active
058749470
ABSTRACT:
A portable recording/retrieving system for self services travelers includes the following information input devices: writing board/light pen, CCD (charged coupled device) camera, and wireless microphone. These input devices may be used for inputting pictures, images, scenery, words and audio information. The input information will be processed by microprocessor and will be stored in CD or memory; light pen/writing board is used to input the words and pictures; the CCD camera, located at the front of the unit, is used for picking up pictures, scenery, words; the wireless microphone, located at the top of the light pen, is used for picking up audio information. The audio information will be digitized by an analog/digital converter and the microprocessor will process and store the digitized audio information into the main memory or CD, so that the travelers can view/hear the stored information anytime.
REFERENCES:
patent: 5497194 (1996-03-01), Sakagami et al.
patent: 5534921 (1996-07-01), Sawanobori
patent: 5646649 (1997-07-01), Iwata et al.
patent: 5661506 (1997-08-01), Lazzouni et al.
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