Excavating
Patent
1979-12-18
1981-11-24
Smith, Jerry
Excavating
307 10R, G06F 1114
Patent
active
043028411
ABSTRACT:
An automotive vehicle electrical system includes a transmitter device (10) which is sensitive to the status of a set of control switches (S1 to S8) to produce a sequence of digital words, each containing an address code, a repetition of the address code, a command code, and a repetition of the command code. A set of receivers (A, B, C) are distributed around the vehicle and each controls a set of loads (LA, LB, LC). Each receiver includes address code recognition logic and operates to control the associated loads in accordance with the command code included in the same word as its address code, and also verification logic for checking that each code is consistent with its inverse.
REFERENCES:
patent: 3624603 (1971-11-01), Delcomyn
patent: 3876980 (1975-04-01), Haemmig et al.
patent: 3906445 (1975-09-01), Beckmann et al.
patent: 3973242 (1976-08-01), Field et al.
patent: 4045771 (1977-08-01), Loreck
patent: 4133504 (1979-01-01), Dobler et al.
patent: 4156151 (1979-05-01), Borroni
patent: 4156866 (1979-05-01), Miller
Lucas Industries Limited
Smith Jerry
LandOfFree
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