Control arrangement for a vehicle seat adjusting mechanism havin

Details Control arrangement for a vehicle seat adjusting mechanism havin Control arrangement for a vehicle seat adjusting mechanism havin

1984-11-16

1987-04-21

Smith, Jerry

Boots, shoes, and leggings

364167, 364171, 318568, 318466, 371 62, G05B 902

Patent

active

046601406

ABSTRACT:
There is disclosed a circuit arrangement comprising a microcomputer, wherein certain terminals of the microcomputer may be used as either input terminals or as output terminals under selective switching control so that a reasonably priced microcomputer with few terminals can be used to control complex functions such as those of a vehicle seat adjusting mechanism. The circuit arrangement also includes a program check arrangement wherein check pulses are superimposed with control signals at an output terminal. The check pulses are used by a multivibrator which resets the microcomputer when the check pulses are not periodic. The check pulses are short in duration and do not adversely affect the operation of a relay coupled to the output terminal.

REFERENCES:
patent: 4267494 (1981-05-01), Matsuoka et al.
patent: 4401928 (1983-08-01), Kamijo et al.
patent: 4463426 (1984-07-01), Caddick et al.
patent: 4467252 (1984-08-01), Takeda et al.
patent: 4523136 (1985-06-01), Dudeck et al.
patent: 4607199 (1986-08-01), Krueger et al.

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