Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1996-04-10
1998-10-27
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345 24, G09G 534
Patent
active
058283587
ABSTRACT:
A waveform display signal generating apparatus is provided in which a result of calculation processing of digital data in a CPU is visualized and is converted into a television video signal for display on a screen of a television receiver under production. The apparatus verifies digital data processing on a screen of a television receiver under production and provides a simplified verification system. A signal digitized at an A/D converter is digitally signal processed at a data processing circuit. The data under digital signal processing is supplied to a CPU through a CPU interface circuit, is calculated for converting into a graph and then the converted data is stored in a RAM in a form of a bit map data. The bit map data is converted into an analog signal at a D/A converter, is further converted into a television video signal at a television encoder and then is supplied from a video signal output terminal to a video circuit of a television receiver under production. Thus, a graph calculated at the CPU is displayed on the screen of the television receiver.
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patent: 5027212 (1991-06-01), Marlton et al.
patent: 5172216 (1992-12-01), Suzuki et al.
patent: 5559530 (1996-09-01), Yamashita et al.
Search report for International Appln. No. EP 96302344 dated Feb. 3, 1998.
Monta Hiroki
Yamaoka Masahito
Hjerpe Richard A.
Matsushita Electric - Industrial Co., Ltd.
Nguyen Tracy H.
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