Rotational direction sensor

Details Rotational direction sensor Rotational direction sensor

1980-10-24

1983-01-11

Scott, J. R.

Electrical transmission or interconnection systems

Switching systems

Plural switches

200 6127, 200 6131, 200 6134, 200 6135, 340 56, 340 73, H01H 1914, B60Q 100, H01H 316

Patent

active

043683932

ABSTRACT:
A rotational direction sensor for a body such as a steering shaft of an automobile, which is rotatable from a preferred neutral position in either the clockwise or the anticlockwise rotational direction. When an actuating assembly is rotated in the clockwise rotational direction by more than a predetermined amount from the neutral position, a first switch is actuated so as to conduct a first electric current, while a second switch is not actuated, and when the actuating assembly is then returned to the neutral position in the anticlockwise rotational direction, the second switch is actuated to conduct a second electric current. An opposite switch actuation sequence occurs for initial anticlockwise and then clockwise rotation of the actuating assembly. A control circuit generates a first electric signal when it receives the first and then the second electric current as a pair and a second electric signal when it receives the second and then the first electric current as a pair.

REFERENCES:
patent: 2343778 (1944-03-01), Leonard
patent: 2667545 (1954-01-01), Leonard
patent: 2725435 (1955-11-01), Cislo
patent: 2828377 (1958-03-01), Barnhard
patent: 3368043 (1968-02-01), Stoi et al.
patent: 3609264 (1971-09-01), Suzuki et al.
patent: 3852543 (1974-12-01), Suzuki
patent: 4323877 (1982-04-01), Morita et al.

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