JPS5421885A - Time corrector in digital electronic watch - Google Patents
Time corrector in digital electronic watchInfo
- Publication number
- JPS5421885A JPS5421885A JP8710877A JP8710877A JPS5421885A JP S5421885 A JPS5421885 A JP S5421885A JP 8710877 A JP8710877 A JP 8710877A JP 8710877 A JP8710877 A JP 8710877A JP S5421885 A JPS5421885 A JP S5421885A
- Authority
- JP
- Japan
- Prior art keywords
- digital electronic
- electronic watch
- time corrector
- time
- corrector
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/08—Touch switches specially adapted for time-pieces
-
- 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 |
---|---|---|---|
JP52087108A JPS5814997B2 (ja) | 1977-07-20 | 1977-07-20 | デジタル電子時計の時刻修正装置 |
US05/921,234 US4177633A (en) | 1977-07-20 | 1978-07-03 | Time correcting means for a digital electronic watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52087108A JPS5814997B2 (ja) | 1977-07-20 | 1977-07-20 | デジタル電子時計の時刻修正装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5421885A true JPS5421885A (en) | 1979-02-19 |
JPS5814997B2 JPS5814997B2 (ja) | 1983-03-23 |
Family
ID=13905742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52087108A Expired JPS5814997B2 (ja) | 1977-07-20 | 1977-07-20 | デジタル電子時計の時刻修正装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4177633A (ja) |
JP (1) | JPS5814997B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54147074A (en) * | 1978-05-11 | 1979-11-16 | Seiko Instr & Electronics Ltd | Correcting circuit of digital electronic watch |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419018A (en) * | 1980-01-31 | 1983-12-06 | Ebauches Electroniques, S.A. | Electronic watch with control means for selecting and correcting time data |
JPS6039201A (ja) * | 1983-08-10 | 1985-03-01 | Mitsubishi Electric Corp | マニユアル操作装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1250020A (en) * | 1967-12-27 | 1971-10-20 | Matsushita Electric Ind Co Ltd | Semiconductor device |
US4107915A (en) * | 1972-12-28 | 1978-08-22 | Citizen Watch Co., Ltd | Electronic timepiece |
US4090353A (en) * | 1975-01-10 | 1978-05-23 | Sharp Kabushiki Kaisha | Touch switch controlled time information correction with safety lock in an electronic wristwatch |
JPS5238972A (en) * | 1975-09-23 | 1977-03-25 | Seiko Instr & Electronics Ltd | Electronic watch |
-
1977
- 1977-07-20 JP JP52087108A patent/JPS5814997B2/ja not_active Expired
-
1978
- 1978-07-03 US US05/921,234 patent/US4177633A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54147074A (en) * | 1978-05-11 | 1979-11-16 | Seiko Instr & Electronics Ltd | Correcting circuit of digital electronic watch |
Also Published As
Publication number | Publication date |
---|---|
US4177633A (en) | 1979-12-11 |
JPS5814997B2 (ja) | 1983-03-23 |
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