System for displaying a segment, primarily for use in a remote-c

Details System for displaying a segment, primarily for use in a remote-c System for displaying a segment, primarily for use in a remote-c

1985-05-16

1988-03-22

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

34081505, G09G 320

Patent

active

047332310

ABSTRACT:
A system for displaying a segment as applicable in particular to remote-controlled digital display. A control circuit energizes two stationary series-connected electromagnets with pulses of the same polarity so as to produce a magnetic field in each electromagnet. Under the action of the magnetic field, a single permanent magnet rigidly fixed to the segment is capable of displacement between the electromagnets in order to move the segment from a visible active position to a hidden active position.

REFERENCES:
patent: 3581301 (1971-05-01), Stutz et al.
patent: 3916403 (1975-10-01), Mandzsu et al.
patent: 4117478 (1978-09-01), Skrobisch
patent: 4323894 (1982-04-01), Wood et al.
patent: 4531318 (1985-07-01), Chang et al.

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