the pendulum controlling indirectly, i.e. without mechanical connection, contacts

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Patents Grantslast 30 patents

Information Patent Grant
Structure of a ultrathin clock
- Patent number 5,442,601
- Issue date Aug 15, 1995
- Ching-Ti Chen
- G04 - HOROLOGY
Information Patent Grant
Electromagnetic drive circuit
- Patent number 4,866,564
- Issue date Sep 12, 1989
- Seikosha Co., Ltd.
- Hiroshi Aoki
- G04 - HOROLOGY
Information Patent Grant
Mechanically operating pendulum clock with an electronic correcting...
- Patent number 4,196,579
- Issue date Apr 8, 1980
- Urgos Uhrenfabrik Schwenningen, Haller, Jauch und Pabst GmbH & Co.
- Konrad Schaefer
- G04 - HOROLOGY
Information Patent Grant
3605401
- Patent number 3,605,401
- Issue date Sep 20, 1971
- G04 - HOROLOGY
Information Patent Grant
3168690
- Patent number 3,168,690
- Issue date Feb 2, 1965
- G04 - HOROLOGY