Automotive backlight heater and timing control means

Electrical transmission or interconnection systems – Switching systems – Switch actuation

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Details

H01H 4300

Patent

active

043474446

ABSTRACT:
An electrical switching and timing assembly is shown having a manually actuatable switch selectively closable and openable, an associated electrical circuit has an input end and an output end, the input end is intended for connection to a source of electrical potential while the output end is intended for connection to an electrical load, the associated circuit has a timing circuit effective for opening the associated circuit within a preselected span of time after the associated circuit has been closed by the manually actuatable switch, the manually actuatable switch being effective for opening the associated circuit even before the expiration of the preselected span of time.

REFERENCES:
patent: 3934111 (1976-01-01), Roselli et al.
patent: 3944893 (1976-03-01), Hayden
patent: 4015139 (1977-03-01), Cleary et al.
patent: 4104981 (1978-08-01), Ono et al.
patent: 4276483 (1981-06-01), Hayden

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