CH1377974A4 - - Google Patents
Info
- Publication number
- CH1377974A4 CH1377974A4 CH1377974D CH1377974D CH1377974A4 CH 1377974 A4 CH1377974 A4 CH 1377974A4 CH 1377974 D CH1377974 D CH 1377974D CH 1377974 D CH1377974 D CH 1377974D CH 1377974 A4 CH1377974 A4 CH 1377974A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/26—Setting the time according to the time information carried or implied by the radio signal the radio signal being a near-field communication signal
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G3/00—Producing timing pulses
- G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
- G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R40/00—Correcting the clock frequency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1377974A CH589886B5 (en:Method) | 1974-10-14 | 1974-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1377974A4 true CH1377974A4 (en:Method) | 1976-10-29 |
Family
ID=4395239
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1377974A CH589886B5 (en:Method) | 1974-10-14 | 1974-10-14 | |
| CH1377974D CH1377974A4 (en:Method) | 1974-10-14 | 1974-10-14 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1377974A CH589886B5 (en:Method) | 1974-10-14 | 1974-10-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4020628A (en:Method) |
| JP (1) | JPS5164968A (en:Method) |
| CH (2) | CH589886B5 (en:Method) |
| DE (1) | DE2545823C2 (en:Method) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51128571A (en) * | 1975-05-01 | 1976-11-09 | Seiko Instr & Electronics Ltd | Portable electronic watch |
| US4211065A (en) * | 1977-08-26 | 1980-07-08 | Hughes Aircraft Company | Automatic system for setting digital watches |
| US4204398A (en) * | 1977-09-16 | 1980-05-27 | Lemelson Jerome H | Method and means for automatically setting timepieces in a time zone |
| CH621460B (fr) * | 1977-12-23 | Ebauches Electroniques Sa | Piece d'horlogerie electronique avec transducteur electroacoustique. | |
| US4358836A (en) * | 1978-11-20 | 1982-11-09 | Ricoh Watch Co., Ltd. | Electronic watch with an automatic time indication modifier |
| JPS56158980A (en) * | 1980-05-13 | 1981-12-08 | Seiko Instr & Electronics Ltd | Electronic wrist watch |
| JPS56162078A (en) * | 1980-05-20 | 1981-12-12 | Seiko Instr & Electronics Ltd | Electronic clock |
| EP0040655A1 (en) * | 1980-05-22 | 1981-12-02 | Jerome Hal Lemelson | Method and means for automatically setting timepieces in a time zone |
| US4394539A (en) * | 1981-03-24 | 1983-07-19 | Chu Tsan Chen | Timepiece with automatic time setting system thru dial telephone line and automatic speed adjusting system |
| DE3222349A1 (de) | 1982-06-14 | 1984-01-05 | Helga 6901 Gaiberg Berthold | Elektronische uhr |
| KR950012055B1 (ko) * | 1990-01-29 | 1995-10-13 | 더 유나이티드 스테이츠 오브 어메리카, 레프리젠티드 바이 더 세크리터리, 유나이티드 스테이츠 디파트먼트 오브 코머스 | 정확한 시간 및/또는 주파수 제공장치 및 방법 |
| EP0851324B1 (en) * | 1996-12-27 | 2012-06-13 | Council of Scientific & Industrial Research | A device useful as a master/slave clock for transmitting standard time over a telephone network |
| ATE343267T1 (de) * | 1999-08-03 | 2006-11-15 | Eta Sa Mft Horlogere Suisse | Elektronischer wandler eines akustischen signals in ein pseudo-digitales signal und bidirektionelles kommunikationsverfahren durch schallwellen |
| EP3309630A1 (fr) | 2016-10-17 | 2018-04-18 | The Swatch Group Research and Development Ltd | Remise a l'heure d'une piece d'horlogerie mecanique |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2816166A (en) * | 1956-04-13 | 1957-12-10 | Self Winding Clock Company Inc | Synchronization system for clocks |
| DE1673793C3 (de) * | 1967-03-23 | 1981-03-19 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren zur laufenden Übermittlung der Uhrzeit |
| DE1673796C3 (de) * | 1967-08-19 | 1982-05-27 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren und Schaltung zur laufenden !bermittlung der Uhrzeit |
| US3540207A (en) * | 1968-09-20 | 1970-11-17 | Timex Corp | Electronic watch counting circuit |
| US3576099A (en) * | 1969-04-22 | 1971-04-27 | Hamilton Watch Co | Solid state timepiece having electro-optical time display |
| CH812769A4 (en:Method) * | 1969-05-29 | 1972-03-15 | ||
| CH1016469A4 (en:Method) * | 1969-07-03 | 1971-01-29 | ||
| CH534913A (fr) * | 1970-02-17 | 1972-08-15 | Centre Electron Horloger | Garde-temps |
| CH1546470A4 (en:Method) * | 1970-10-20 | 1972-09-15 | ||
| US3777065A (en) * | 1971-06-30 | 1973-12-04 | Total Syst Corp | Calling system utilizing a telephone |
| CH554015A (en:Method) * | 1971-10-15 | 1974-09-13 | ||
| BE789976A (fr) * | 1971-10-15 | 1973-02-01 | Centre Electron Horloger | Garde-temps |
| US3811265A (en) * | 1973-01-17 | 1974-05-21 | J Cater | Coded time indicating transmission system |
| US3943288A (en) * | 1973-10-23 | 1976-03-09 | Edgar D. Young | Telephone incorporating binary coded decimal time display |
| JPS6120817B2 (en:Method) * | 1973-12-24 | 1986-05-23 | Citizen Watch Co Ltd |
-
1974
- 1974-10-14 CH CH1377974A patent/CH589886B5/xx not_active IP Right Cessation
- 1974-10-14 CH CH1377974D patent/CH1377974A4/xx unknown
-
1975
- 1975-09-29 US US05/617,654 patent/US4020628A/en not_active Expired - Lifetime
- 1975-10-13 DE DE2545823A patent/DE2545823C2/de not_active Expired
- 1975-10-14 JP JP50122975A patent/JPS5164968A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS647351B2 (en:Method) | 1989-02-08 |
| DE2545823A1 (de) | 1976-04-22 |
| DE2545823C2 (de) | 1986-10-23 |
| CH589886B5 (en:Method) | 1977-07-29 |
| US4020628A (en) | 1977-05-03 |
| JPS5164968A (en) | 1976-06-04 |