Indicating instrument having stepping motor

Details Indicating instrument having stepping motor Indicating instrument having stepping motor

1996-06-25

2000-01-11

Swarthout, Brent A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

73 188, 116288, 116291, B60Q 100

Patent

active

060140755

ABSTRACT:
A zero-position stopper to stop the pointer when it is returned to the zero position and a maximum-position stopper to stop the pointer when it is located at the maximum position are provided. A microcomputer generates a zero-start signal when an ignition switch is turned on so that pointer moves from the zero position and engages the maximum position stopper, and thereafter generates a zero-return signal so that the pointer returns to the zero-position stopper. When the pointer engages the zero-position stopper, the computer does not generate a control signal.

REFERENCES:
patent: 3425392 (1969-02-01), Bond
patent: 4646007 (1987-02-01), Faria
patent: 5042016 (1991-08-01), Suzuki et al.
patent: 5062135 (1991-10-01), Ohike
patent: 5295049 (1994-03-01), Terada
patent: 5333371 (1994-08-01), Mittenbuhler et al.
patent: 5665897 (1997-09-01), Lippmann et al.

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