Remote control system for locking/unlocking the doors of motor v

Details Remote control system for locking/unlocking the doors of motor v Remote control system for locking/unlocking the doors of motor v

1991-02-05

1993-03-02

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

180287, 250216, 250239, 359142, 359154, 359193, 359711, G08C 2300, G02B 306, B60R 2500

Patent

active

051913240

ABSTRACT:
A remote control system, in particular for locking and unlocking the doors of a motor vehicle, the system being of the type comprising a portable transmitter including means constituting a light source suitable for generating an encoded light flux, and a fixed receiver including photosensitive means designed to receive the light flux and associated with treatment means designed to decode it, wherein the photosensitive means of the receiver comprise a lens having a toroidal aspherical outside surface, which lens is associated with a plurality of photocells.

REFERENCES:
patent: 3580663 (1971-05-01), Hicks
patent: 3784794 (1974-01-01), Allais
patent: 4042821 (1977-08-01), Mierzwinski
patent: 4691801 (1987-09-01), Mann et al.
patent: 4905216 (1990-02-01), Lee
patent: 5033113 (1991-07-01), Wang
patent: 5036188 (1991-07-01), Keitoku
IBM Technical Disclosure Bulletin, vol. 29, No. 2, juillet 1986, pp. 802-805, New York, US; "Optical dispersion plat".
Patent Abstracts of Japan, vol. 5, No. 176 (E-81) [848], Nov. 12, 1981; & JP-A-56 103 481 (Fuji Shasin Film K.K.).
Patent Abstracts of Japan, vol. 13, No. 499 (P-957) [3847], Nov. 10, 1989; & JP-A-1 200 221 (Minolta Camera Co., Ltd.) Nov. 8, 1989.

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