by closing a contact to ring an electro-mechanical alarm

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GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C21/00Producing acoustic time signals by electrical means

Current Industry

G04C21/20by closing a contact to ring an electro-mechanical alarm

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Patents Grantslast 30 patents

Information Patent Grant
Alarm system for desktop clock
- Patent number 6,349,074
- Issue date Feb 19, 2002
- Bak Jo Kim
- G04 - HOROLOGY
Information Patent Grant
Alarm clock
- Patent number 5,168,476
- Issue date Dec 1, 1992
- Junghans Uhren GmbH
- Wolfgang Ganter
- G04 - HOROLOGY
Information Patent Grant
Alarm arrangement for a timepiece
- Patent number 5,003,519
- Issue date Mar 26, 1991
- Eta Sa Fabriques d'Ebauches
- Pierre-Andre Noirjean
- G04 - HOROLOGY
Information Patent Grant
Alarm clock having means for bridging two circular conducting paths...
- Patent number 4,922,475
- Issue date May 1, 1990
- Matthias Scholer
- G04 - HOROLOGY
Information Patent Grant
Rotatable circular switch
- Patent number 4,780,583
- Issue date Oct 25, 1988
- Paolo Spadini
- Norbert Perucchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alarm mechanism
- Patent number 4,748,602
- Issue date May 31, 1988
- Seikosha Co., Ltd.
- Keiichi Yoshizawa
- G04 - HOROLOGY
Information Patent Grant
Alarm mechanism
- Patent number 4,693,612
- Issue date Sep 15, 1987
- Seikosha Co., Ltd.
- Keiichi Yoshizawa
- G04 - HOROLOGY
Information Patent Grant
Timepiece with a quartz watch movement and an electrically controll...
- Patent number 4,629,332
- Issue date Dec 16, 1986
- Spadini; Paolo
- Paolo Spadini
- G04 - HOROLOGY
Information Patent Grant
Alarm setting device for timepieces
- Patent number 4,460,280
- Issue date Jul 17, 1984
- Rhythm Watch Co., Ltd.
- Sano Tomonori
- G04 - HOROLOGY
Information Patent Grant
Time detecting device for alarm clock
- Patent number 4,376,994
- Issue date Mar 15, 1983
- Seiko Koki Kabushiki Kaisha
- Masuo Ogihara
- G04 - HOROLOGY
Information Patent Grant
Digital alarm timepiece with setting pointer
- Patent number 4,374,622
- Issue date Feb 22, 1983
- Casio Computer Co., Ltd.
- Toshio Kashio
- G04 - HOROLOGY
Information Patent Grant
Time detecting device for alarm clock
- Patent number 4,371,267
- Issue date Feb 1, 1983
- Seiko Koki Kabushiki Kaisha
- Masuo Ogihara
- G04 - HOROLOGY
Information Patent Grant
Time detecting switch for an alarm clock
- Patent number 4,351,043
- Issue date Sep 21, 1982
- Seiko Koki Kabushiki Kaisha
- Masuo Ogihara
- G04 - HOROLOGY
Information Patent Grant
Alarm timepiece
- Patent number 4,283,782
- Issue date Aug 11, 1981
- Citizen Watch Co., Ltd.
- Munetaka Tamaru
- G04 - HOROLOGY
Information Patent Grant
Time detecting device for a clock
- Patent number 4,232,511
- Issue date Nov 11, 1980
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G04 - HOROLOGY
Information Patent Grant
Time detecting switch for alarm clock
- Patent number 4,214,134
- Issue date Jul 22, 1980
- Seiko Koko Kabushiki Kaisha
- Masuo Ogihara
- G04 - HOROLOGY
Information Patent Grant
Alarm clock
- Patent number 4,209,969
- Issue date Jul 1, 1980
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G04 - HOROLOGY
Information Patent Grant
Alarm switch for an alarm circuit in a horological device
- Patent number 4,199,930
- Issue date Apr 29, 1980
- The Gillette Company
- Jean-Philippe Lebet
- G04 - HOROLOGY
Information Patent Grant
High accuracy timer actuating mechanism in a leaf type digital clock
- Patent number 4,172,358
- Issue date Oct 30, 1979
- Copal Company Limited
- Masashi Saginoya
- G04 - HOROLOGY
Information Patent Grant
Alarm switch and alarm set device
- Patent number 4,157,646
- Issue date Jun 12, 1979
- Timex Corporation
- Paul Wuthrich
- G04 - HOROLOGY
Information Patent Grant
Electric signaling arrangement for delivery of waking signals
- Patent number 4,084,104
- Issue date Apr 11, 1978
- Kieninger & Obergfell, Fabrik fur technische Laufwerke und Apparate
- Erich Scheer
- G04 - HOROLOGY
Information Patent Grant
Alarm device for clocks
- Patent number 4,079,581
- Issue date Mar 21, 1978
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G04 - HOROLOGY
Information Patent Grant
Timer mechanism for use in a clock
- Patent number 4,070,822
- Issue date Jan 31, 1978
- Copal Company Limited
- Kiyoyuki Arai
- G04 - HOROLOGY
Information Patent Grant
Alarm setting device for timepieces
- Patent number 4,069,658
- Issue date Jan 24, 1978
- Rhythm Watch Co. Ltd.
- Hiroshi Ito
- G04 - HOROLOGY
Information Patent Grant
Switching mechanism for alarming time detection in an alarming device
- Patent number 4,045,627
- Issue date Aug 30, 1977
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G04 - HOROLOGY
Information Patent Grant
Switch-off device for electrically operated clock alarm and control...
- Patent number 4,016,562
- Issue date Apr 5, 1977
- Diehl
- Erich Gerum
- G04 - HOROLOGY
Information Patent Grant
Alarm time setting notifying mechanism for a clock or the like
- Patent number 4,015,417
- Issue date Apr 5, 1977
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G04 - HOROLOGY
Information Patent Grant
Mechanical improvement on an electric alarm clock
- Patent number 4,004,408
- Issue date Jan 25, 1977
- Kienzle Uhrenfabriken GmbH
- Roland Siefert
- G04 - HOROLOGY
Information Patent Grant
Unlocking mechanism
- Patent number 4,000,384
- Issue date Dec 28, 1976
- Kabushiki Kaisha Seikosha
- Shoichiro Kumazawa
- G04 - HOROLOGY
Information Patent Grant
Minute-interval alarming device for a clock or the like
- Patent number 3,996,734
- Issue date Dec 14, 1976
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G04 - HOROLOGY

by closing a contact to ring an electro-mechanical alarm

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Alarm system for desktop clock

Alarm clock

Alarm arrangement for a timepiece

Alarm clock having means for bridging two circular conducting paths...

Rotatable circular switch

Alarm mechanism

Alarm mechanism

Timepiece with a quartz watch movement and an electrically controll...

Alarm setting device for timepieces

Time detecting device for alarm clock

Digital alarm timepiece with setting pointer

Time detecting device for alarm clock

Time detecting switch for an alarm clock

Alarm timepiece

Time detecting device for a clock

Time detecting switch for alarm clock

Alarm clock

Alarm switch for an alarm circuit in a horological device

High accuracy timer actuating mechanism in a leaf type digital clock

Alarm switch and alarm set device

Electric signaling arrangement for delivery of waking signals

Alarm device for clocks

Timer mechanism for use in a clock

Alarm setting device for timepieces

Switching mechanism for alarming time detection in an alarming device

Switch-off device for electrically operated clock alarm and control...

Alarm time setting notifying mechanism for a clock or the like

Mechanical improvement on an electric alarm clock

Unlocking mechanism

Minute-interval alarming device for a clock or the like

Patents Applicationslast 30 patents