GB1480754A - Drive pulse generator for use in electronic analogue display clock apparatus - Google Patents
Drive pulse generator for use in electronic analogue display clock apparatusInfo
- Publication number
- GB1480754A GB1480754A GB49978/74A GB4997874A GB1480754A GB 1480754 A GB1480754 A GB 1480754A GB 49978/74 A GB49978/74 A GB 49978/74A GB 4997874 A GB4997874 A GB 4997874A GB 1480754 A GB1480754 A GB 1480754A
- Authority
- GB
- United Kingdom
- Prior art keywords
- time
- reset
- divider
- signal
- resetting
- 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
- 230000000295 complement effect Effects 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
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
-
- 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
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
- G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electrophonic Musical Instruments (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49027546A JPS581394B2 (ja) | 1974-03-09 | 1974-03-09 | キカイヒヨウジシキトケイソウチ ノ ケイスウカイロ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1480754A true GB1480754A (en) | 1977-07-27 |
Family
ID=12224065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB49978/74A Expired GB1480754A (en) | 1974-03-09 | 1974-11-19 | Drive pulse generator for use in electronic analogue display clock apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3906256A (enrdf_load_stackoverflow) |
| JP (1) | JPS581394B2 (enrdf_load_stackoverflow) |
| CH (1) | CH613086B (enrdf_load_stackoverflow) |
| FR (1) | FR2263546B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1480754A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH611484B (fr) * | 1975-11-18 | Berney Sa Jean Claude | Dispositif de commande d'un moteur pas a pas pour la mesure du temps. | |
| US4150536A (en) * | 1976-01-28 | 1979-04-24 | Citizen Watch Company Limited | Electronic timepiece |
| JPS597951B2 (ja) * | 1978-02-13 | 1984-02-21 | セイコーエプソン株式会社 | 時計 |
| CH624538B (fr) * | 1979-04-04 | Ebauches Sa | Piece d'horlogerie electronique. | |
| US4464774A (en) * | 1982-03-15 | 1984-08-07 | Sperry Corporation | High speed counter circuit |
| JP3825573B2 (ja) * | 1999-02-17 | 2006-09-27 | 株式会社東芝 | 同期回路とその遅延回路 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1343330A (en) * | 1970-07-27 | 1974-01-10 | Suwa Seikosha Kk | Electric timepieces |
| US3765163A (en) * | 1972-03-17 | 1973-10-16 | Uranus Electronics | Electronic timepiece |
| JPS4895868A (enrdf_load_stackoverflow) * | 1972-03-21 | 1973-12-08 | ||
| JPS5647515B2 (enrdf_load_stackoverflow) * | 1972-03-27 | 1981-11-10 | ||
| GB1399024A (en) * | 1972-07-12 | 1975-06-25 | Suisse Pour Lindustrie Horloge | Electronic correction circuit in a timepiece |
| JPS5442276B2 (enrdf_load_stackoverflow) * | 1973-04-07 | 1979-12-13 |
-
1974
- 1974-03-09 JP JP49027546A patent/JPS581394B2/ja not_active Expired
- 1974-11-14 US US523724A patent/US3906256A/en not_active Expired - Lifetime
- 1974-11-19 CH CH1540374A patent/CH613086B/xx not_active IP Right Cessation
- 1974-11-19 GB GB49978/74A patent/GB1480754A/en not_active Expired
- 1974-11-19 FR FR7438046A patent/FR2263546B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH613086B (de) | |
| CH613086GA3 (enrdf_load_stackoverflow) | 1979-09-14 |
| FR2263546A1 (enrdf_load_stackoverflow) | 1975-10-03 |
| JPS50136077A (enrdf_load_stackoverflow) | 1975-10-28 |
| US3906256A (en) | 1975-09-16 |
| FR2263546B1 (enrdf_load_stackoverflow) | 1977-11-04 |
| JPS581394B2 (ja) | 1983-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19941118 |