Method and device to inhibit the flash photography of a vehicle

Details Method and device to inhibit the flash photography of a vehicle Method and device to inhibit the flash photography of a vehicle

1998-04-10

2000-08-29

Philogene, Haissa

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315200A, 315227R, 315159, 315 77, H05B 3700

Patent

active

061113646

ABSTRACT:
A device and method that inhibits the ability of photographic equipment from obtaining a recognizable picture upon its recording media, of areas of a vehicle equipped with this invention. The leading edge or beginning of the photographic equipment's photoflash is detected by the photoflash detector cicuit group (50). A xenon reply flash (30) is immediately output towards the photographic equipment's general location, for the remainder of the photographs exposure time, rendering sections of the photograph unrecognizable.

REFERENCES:
patent: 3783336 (1974-01-01), Vital et al.
patent: 3849784 (1974-11-01), Holzapfel
patent: 4302084 (1981-11-01), Greenwald et al.
patent: 5255166 (1993-10-01), Gonzalez
patent: 5301091 (1994-04-01), Chen
patent: 5422543 (1995-06-01), Weinberg

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