JPS57156884U - - Google Patents
Info
- Publication number
- JPS57156884U JPS57156884U JP1981045160U JP4516081U JPS57156884U JP S57156884 U JPS57156884 U JP S57156884U JP 1981045160 U JP1981045160 U JP 1981045160U JP 4516081 U JP4516081 U JP 4516081U JP S57156884 U JPS57156884 U JP S57156884U
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/02—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum
- G04C3/027—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum using electromagnetic coupling between electric power source and pendulum
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981045160U JPS6231896Y2 (en:Method) | 1981-03-30 | 1981-03-30 | |
| US06/362,542 US4378166A (en) | 1981-03-30 | 1982-03-26 | Pendulum arrangement of pendulum clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981045160U JPS6231896Y2 (en:Method) | 1981-03-30 | 1981-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57156884U true JPS57156884U (en:Method) | 1982-10-02 |
| JPS6231896Y2 JPS6231896Y2 (en:Method) | 1987-08-15 |
Family
ID=12711509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981045160U Expired JPS6231896Y2 (en:Method) | 1981-03-30 | 1981-03-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4378166A (en:Method) |
| JP (1) | JPS6231896Y2 (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449831A (en) * | 1981-07-31 | 1984-05-22 | Rhythm Watch Co., Ltd. | Pendulum arrangement for clock movement |
| JPS618887U (ja) * | 1984-06-22 | 1986-01-20 | 株式会社 日新堂 | 捩り振子作動装置 |
| US5442601A (en) * | 1994-10-11 | 1995-08-15 | Chen; Ching-Ti | Structure of a ultrathin clock |
| US5446704A (en) * | 1995-01-23 | 1995-08-29 | Chen; Ching-Ti | Structure of clock |
| US5822277A (en) * | 1997-03-24 | 1998-10-13 | Van Amersfoort, Deceased; Jan | Long period pendulum apparatus |
| US20070283586A1 (en) * | 2006-04-12 | 2007-12-13 | Hillis W D | Low-Displacement Pendulum |
| US8475034B2 (en) * | 2006-04-12 | 2013-07-02 | The Long Now Foundation | Enhanced compound pendulums and systems |
| US9627952B2 (en) | 2013-04-05 | 2017-04-18 | Maurice Schroeder | Pendulum apparatus having a sustained swing |
| US11703807B2 (en) * | 2020-08-18 | 2023-07-18 | Kevin Farrelly Nolan | Magnetically coupled dead beat escapement breakaway mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB408725A (en) * | 1932-11-11 | 1934-04-19 | Thomas Arthur Brown | Improvements in or relating to electric clocks |
| FR1410249A (fr) * | 1963-06-18 | 1965-09-10 | Garde-temps électrique, à pendule ou à oscillateur tourant, en particulier montre pour automobile | |
| JPS52133254A (en) * | 1976-05-01 | 1977-11-08 | Rhythm Watch Co | Magnetic escapement devite for rpendulum clock |
| DE7809694U1 (de) * | 1978-04-01 | 1978-07-13 | Kienzle Uhrenfabriken Gmbh, 7220 Schwenningen | Pendelvorrichtung bei einem Uhrwerk |
-
1981
- 1981-03-30 JP JP1981045160U patent/JPS6231896Y2/ja not_active Expired
-
1982
- 1982-03-26 US US06/362,542 patent/US4378166A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4378166A (en) | 1983-03-29 |
| JPS6231896Y2 (en:Method) | 1987-08-15 |