Double clock for daylight saving

Details Double clock for daylight saving Double clock for daylight saving

1987-11-02

1988-08-09

Roskoski, Bernard

Horology: time measuring systems or devices

Displays or display device details

368157, 368228, 368231, G04B 1900

Patent

active

047633115

ABSTRACT:
The application discloses two time clocks interconnected by a transmission, one clock is driven by a 60 cycle synchronous motor for standard time which drives the second clock at fast time for six months then slow time for six months.

REFERENCES:
patent: 2243343 (1941-05-01), Johnson
patent: 4720820 (1988-01-01), Siefert
Letter to editor Mensa Magazine, date 3/86, "A New Kind of Setting Time, Williams.

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