System for controlling a display provided on a car stereo

Details System for controlling a display provided on a car stereo System for controlling a display provided on a car stereo

1992-07-07

1994-11-08

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

345904, 455343, 455346, G11B 3300

Patent

active

053631226

ABSTRACT:
A car stereo has a detachable grille attached to a body of the car stereo. The grille has a power input terminal connected to a power supply terminal of the body, a data input terminal connected to a data output terminal of the body, a display, and a microcomputer for operating the display to display data in accordance with data signal applied from the body through the data terminals. Disconnection of the data input terminal from the data output terminal under the condition of the connection between the power input terminal and the power output terminal is detected. At the disconnection, the microcomputer stops the operation of the display.

REFERENCES:
patent: 4291412 (1981-09-01), Imazeki
patent: 4680674 (1987-07-01), Moore
patent: 4806784 (1989-02-01), Goda
patent: 4848876 (1989-07-01), Yamakawa
patent: 5077551 (1991-12-01), Saitou
patent: 5173686 (1992-12-01), Fujihara
patent: 5179492 (1993-01-01), Kato et al.

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