Horology: time measuring systems or devices – Combined with disparate device
Patent
1997-10-07
1999-03-09
Roskoski, Bernard
Horology: time measuring systems or devices
Combined with disparate device
368 46, G04B 4700
Patent
active
058810234
ABSTRACT:
A clock synchronized by date and time information taken from Caller ID information packets delivered with incoming calls on a telephone line provided with Caller ID service.
REFERENCES:
patent: 3643420 (1972-02-01), Haydon
patent: 3653204 (1972-04-01), Miwa
patent: 3861134 (1975-01-01), Chacon et al.
patent: 5481258 (1996-01-01), Fawcett et al.
Gu Jing-Lu
Schneyer Robin
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