Horology: time measuring systems or devices – Signalling means – Time condition responsive
Patent
1988-11-03
1990-04-24
Miska, Vit W.
Horology: time measuring systems or devices
Signalling means
Time condition responsive
368 88, 368276, G04C 2100, G04B 3700
Patent
active
049205250
ABSTRACT:
A quiet alarm clock comprising a flat rectangular enclosure, and a motor-driven eccentric vibrator positioned within the enclosure. An electronic clock module is removably fastened within the enclosure, and includes a self-contained battery power source, switches for selectively setting time of day and alarm time and an alphanumeric clock display positioned on one wall of the enclosure for ready observation by a user. An alarm output from the clock is fed to a solid-state electronic switch that applies electrical power to the vibrator motor from a second battery power source within the enclosure. The clock module includes an operator panel positioned adjacent to the display and having the time-setting switches mounted thereon, and a hinged flap for removably covering the panel while permitting viewing of the display, whereby the clock module may be employed as a pocket watch separate from the quiet alarm.
REFERENCES:
patent: 1651804 (1927-12-01), Bosch
patent: 3361973 (1968-01-01), Wysong
patent: 3977177 (1976-08-01), Egger
patent: 4028882 (1977-06-01), Muncheryan
patent: 4081952 (1978-04-01), Busch et al.
patent: 4093944 (1978-06-01), Muncheryan
patent: 4390289 (1983-06-01), Houlihan
patent: 4432653 (1984-02-01), Ting-Ching
patent: 4456387 (1984-06-01), Igarashi
patent: 4472065 (1984-09-01), Goodman
patent: 4768177 (1988-08-01), Kehr et al.
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