JPS5188257A - Denshidokeino kankyuchoseisochi - Google Patents
Denshidokeino kankyuchoseisochiInfo
- Publication number
- JPS5188257A JPS5188257A JP50013652A JP1365275A JPS5188257A JP S5188257 A JPS5188257 A JP S5188257A JP 50013652 A JP50013652 A JP 50013652A JP 1365275 A JP1365275 A JP 1365275A JP S5188257 A JPS5188257 A JP S5188257A
- Authority
- JP
- Japan
- Prior art keywords
- kankyuchoseisochi
- denshidokeino
- denshidokeino kankyuchoseisochi
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50013652A JPS5188257A (en) | 1975-01-31 | 1975-01-31 | Denshidokeino kankyuchoseisochi |
US05/888,634 US4254494A (en) | 1975-01-31 | 1978-03-21 | Accuracy correction in an electronic timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50013652A JPS5188257A (en) | 1975-01-31 | 1975-01-31 | Denshidokeino kankyuchoseisochi |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5188257A true JPS5188257A (en) | 1976-08-02 |
Family
ID=11839141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50013652A Pending JPS5188257A (en) | 1975-01-31 | 1975-01-31 | Denshidokeino kankyuchoseisochi |
Country Status (2)
Country | Link |
---|---|
US (1) | US4254494A (ja) |
JP (1) | JPS5188257A (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH621036B (fr) * | 1977-02-28 | Berney Sa Jean Claude | Circuit integre pour piece d'horlogerie. | |
CH620565B (fr) * | 1977-02-28 | Ebauches Sa | Piece d'horlogerie electronique. | |
JPS5422865A (en) * | 1977-07-21 | 1979-02-21 | Seiko Epson Corp | Miniature electronic watch |
US4408897A (en) * | 1982-09-22 | 1983-10-11 | Ebauches Electroniques S.A. | Electronic timepiece having a digital frequency correction circuit |
US4644484A (en) * | 1984-05-22 | 1987-02-17 | American District Telegraph Company | Stand-alone access control system clock control |
JPH05507162A (ja) * | 1990-01-29 | 1993-10-14 | アメリカ合衆国 | 正確な時間および/または周波数を提供する装置と方法 |
FR2669791B1 (fr) * | 1990-11-27 | 1994-12-09 | Met | Procede de correction de la derive systematique des horloges pilotees par un oscillateur et son dispositif de mise en óoeuvre. |
US5596554A (en) * | 1993-06-04 | 1997-01-21 | Hagadorn; Hubert W. | Set operation in a timepiece having an electrooptical display |
JP3066724B2 (ja) * | 1995-10-30 | 2000-07-17 | セイコーインスツルメンツ株式会社 | 論理緩急回路及び論理緩急回路付き電子機器 |
CH692534A5 (fr) * | 1998-11-05 | 2002-07-15 | Em Microelectronic Marin Sa | Procédé d'ajustement de la marche d'un module horloger au moyen de fusibles destructibles par laser. |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3351493A (en) * | 1960-08-22 | 1967-11-07 | Electro Optical Systems Inc | Diffused radiation tracking transducer having a lateral photo voltage junction |
GB1213794A (en) * | 1966-12-05 | 1970-11-25 | Robert Stephen Phillips | Tuning of musical instruments |
US3559170A (en) * | 1967-03-07 | 1971-01-26 | William S Barnes | Methods and apparatus for data input to a computer |
GB1352082A (en) * | 1971-02-10 | 1974-05-15 | Suwa Seikosha Kk | Methods and apparatus for measuring the accuracy of electric timepieces |
GB1349023A (en) * | 1971-07-16 | 1974-03-27 | Omega Brandt & Freres Sa Louis | Adjustable frequency pulse generator |
CH554015A (ja) * | 1971-10-15 | 1974-09-13 | ||
GB1399024A (en) * | 1972-07-12 | 1975-06-25 | Suisse Pour Lindustrie Horloge | Electronic correction circuit in a timepiece |
US3811314A (en) * | 1972-09-06 | 1974-05-21 | A Anouchi | Time-interval rate meter for time measuring devices and method for checking time pieces |
US3808407A (en) * | 1972-10-13 | 1974-04-30 | Honeywell Inc | Pulse difference counter |
JPS5331631B2 (ja) * | 1973-01-10 | 1978-09-04 | ||
CH280073A4 (ja) * | 1973-02-27 | 1976-09-15 | ||
US3937049A (en) * | 1973-03-12 | 1976-02-10 | Citizen Watch Co., Ltd. | Monitoring system for digital electronic timepiece |
US3892124A (en) * | 1974-06-14 | 1975-07-01 | Time Computer | Wristwatch analyzer |
US3914931A (en) * | 1974-10-01 | 1975-10-28 | Suwa Seikosha Kk | Electronic timepiece |
-
1975
- 1975-01-31 JP JP50013652A patent/JPS5188257A/ja active Pending
-
1978
- 1978-03-21 US US05/888,634 patent/US4254494A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4254494A (en) | 1981-03-03 |
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