CA968167A - Electric clock - Google Patents
Electric clockInfo
- Publication number
- CA968167A CA968167A CA164,485A CA164485A CA968167A CA 968167 A CA968167 A CA 968167A CA 164485 A CA164485 A CA 164485A CA 968167 A CA968167 A CA 968167A
- Authority
- CA
- Canada
- Prior art keywords
- electric clock
- clock
- electric
- Prior art date
- 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.)
- Expired
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
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
- G04C17/0075—Indicating the time optically by electric means by drums or drum-like devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Stopping Of Electric Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1972023729U JPS48100170U (en) | 1972-02-26 | 1972-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA968167A true CA968167A (en) | 1975-05-27 |
Family
ID=12118390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA164,485A Expired CA968167A (en) | 1972-02-26 | 1973-02-23 | Electric clock |
Country Status (4)
Country | Link |
---|---|
US (1) | US3808791A (en) |
JP (1) | JPS48100170U (en) |
CA (1) | CA968167A (en) |
GB (1) | GB1397667A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5336402Y2 (en) * | 1974-01-17 | 1978-09-05 | ||
US6275449B1 (en) * | 1998-08-07 | 2001-08-14 | Richard Wang | World clock with synchronous display |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3134220A (en) * | 1961-05-16 | 1964-05-26 | Dichl | Electric clock |
US3451210A (en) * | 1966-07-01 | 1969-06-24 | Benrus Corp | System for maintaining oscillations in an electric timing mechanism having an oscillatory element |
US3568430A (en) * | 1968-07-11 | 1971-03-09 | Hamilton Watch Co | Resistance bridge controlled timekeeping device |
US3601975A (en) * | 1969-04-23 | 1971-08-31 | Timex Corp | Horological movement utilizing a radioactivity detector and source |
US3643419A (en) * | 1969-07-14 | 1972-02-22 | California Inst Of Techn | Apparatus for fine adjustment of signal frequency |
-
1972
- 1972-02-26 JP JP1972023729U patent/JPS48100170U/ja active Pending
-
1973
- 1973-02-20 US US00333875A patent/US3808791A/en not_active Expired - Lifetime
- 1973-02-21 GB GB843173A patent/GB1397667A/en not_active Expired
- 1973-02-23 CA CA164,485A patent/CA968167A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1397667A (en) | 1975-06-18 |
US3808791A (en) | 1974-05-07 |
JPS48100170U (en) | 1973-11-26 |
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