Circuit for automated control of on-board closed circuit televis

Details Circuit for automated control of on-board closed circuit televis Circuit for automated control of on-board closed circuit televis

1994-04-26

1996-06-25

Swarthout, Brent A.

Communications: electrical

Land vehicle alarms or indicators

Of collision or contact with external object

340435, 348149, B60Q 100

Patent

active

055304214

ABSTRACT:
An automotive vehicle, such as a tractor-trailer, has a closed circuit television system that provides the driver with rear and side views of blind spots that the he or she may otherwise be unable to see. When the vehicle is placed in reverse, the view from the rear camera is forced onto the screen of the video monitor to the exclusion of the side camera, or any other camera connected to the system. The invention provides an automation circuit that is responsive to turn signal and hazard warning signal actuation for causing the side camera to be actively connected to the monitor screen when the turn signal system is actuated to give a turn signal to the same side as that viewed by the side video camera and for preventing the side camera from being actively connected to the monitor screen when the hazard warning system is actuated to give a hazard warning signal.

REFERENCES:
patent: 4910591 (1990-03-01), Petrossian et al.
patent: 4949186 (1990-08-01), Peterson
patent: 5027200 (1991-06-01), Petrossian
patent: 5289321 (1994-02-01), Secor
"Clarion CJ-711F, CJ-720F Car Rearview TV Monitor" Installation Instructions, Clarion Co. Ltd.
"Clarion CC-810 Camera/Model: CJ-710 Monitor" Installation Guide No. 284-4981-01 Clarion Co. Ltd.
"Clarion CJ-711F, CJ-720F Car Rearview TV Monitor" Owner's Guide.

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