GB1354231A - Electronically controlled time-keeping device - Google Patents
Electronically controlled time-keeping deviceInfo
- Publication number
- GB1354231A GB1354231A GB1263872A GB1263872A GB1354231A GB 1354231 A GB1354231 A GB 1354231A GB 1263872 A GB1263872 A GB 1263872A GB 1263872 A GB1263872 A GB 1263872A GB 1354231 A GB1354231 A GB 1354231A
- Authority
- GB
- United Kingdom
- Prior art keywords
- time
- signal
- output
- carry
- registers
- 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
- 238000005286 illumination Methods 0.000 abstract 1
- 230000003449 preventive 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
- 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
- G04G—ELECTRONIC TIME-PIECES
- G04G3/00—Producing timing pulses
- G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
- G04G3/025—Circuits for deriving low frequency timing pulses from pulses of higher frequency by storing time-date which are periodically investigated and modified accordingly, e.g. by using cyclic shift-registers
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
- G04G5/04—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently
- G04G5/043—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently using commutating devices for selecting the value, e.g. hours, minutes, seconds, to be corrected
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1566871A JPS5327630B1 (enrdf_load_stackoverflow) | 1971-03-20 | 1971-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1354231A true GB1354231A (en) | 1974-06-05 |
Family
ID=11895106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1263872A Expired GB1354231A (en) | 1971-03-20 | 1972-03-17 | Electronically controlled time-keeping device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3798428A (enrdf_load_stackoverflow) |
| JP (1) | JPS5327630B1 (enrdf_load_stackoverflow) |
| FR (1) | FR2130450B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1354231A (enrdf_load_stackoverflow) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1450071A (en) * | 1972-10-02 | 1976-09-22 | Citizen Watch Co Lgd | Electronic timepiece |
| US3988886A (en) * | 1973-08-14 | 1976-11-02 | Casio Computer Co., Ltd. | Time setting device for an electronic watch |
| US3940595A (en) * | 1974-05-30 | 1976-02-24 | American Medical Electronics Corporation | Electronic thermometer decoder and display system |
| JPH0310916B2 (enrdf_load_stackoverflow) * | 1974-10-31 | 1991-02-14 | Citizen Watch Co Ltd | |
| US4025774A (en) * | 1975-06-16 | 1977-05-24 | American Hospital Supply Corporation | Timing apparatus including electronic calculator circuits |
| JPS525565A (en) * | 1975-07-02 | 1977-01-17 | Toshiba Corp | Electric clock circuit |
| JPS52101739A (en) * | 1975-10-31 | 1977-08-26 | Toshiba Corp | Digital timer for electronic range |
| JPS5280174A (en) * | 1975-12-26 | 1977-07-05 | Casio Comput Co Ltd | Watch device |
| GB1572369A (en) * | 1976-06-24 | 1980-07-30 | Casio Computer Co Ltd | Electronic timepiece |
| US4146779A (en) * | 1977-02-28 | 1979-03-27 | Osborne-Hoffman, Inc. | Display controller for time recorders and time actuators |
| US4256954A (en) * | 1977-04-01 | 1981-03-17 | Texas Instruments Incorporated | Fast binary coded decimal incrementing circuit |
| US4267587A (en) * | 1978-02-17 | 1981-05-12 | Casio Computer Co., Ltd. | Electronic timepiece circuit |
| US4242728A (en) * | 1978-02-27 | 1980-12-30 | The Bendix Corporation | Input/output electronic for microprocessor-based engine control system |
| JPS54122944A (en) * | 1978-03-16 | 1979-09-22 | Toshiba Corp | Logic circuit |
| US4449196A (en) * | 1979-04-27 | 1984-05-15 | Pritchard Eric K | Data processing system for multi-precision arithmetic |
| EP2916193B1 (fr) * | 2014-03-06 | 2016-07-27 | EM Microelectronic-Marin SA | Base de temps comprenant un oscillateur, un circuit diviseur de fréquence et un circuit d'inhibition d'impulsions de cadencement |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3521036A (en) * | 1966-11-01 | 1970-07-21 | Stromberg Carlson Corp | Binary coded decimal counter |
| US3656122A (en) * | 1969-12-11 | 1972-04-11 | Bell Telephone Labor Inc | TIME-SHARED SHIFT REGISTER COUNTER WITH COUNT MODIFIED EACH Nth RECIRCULATION |
| US3664117A (en) * | 1970-06-05 | 1972-05-23 | Gen Electric | Non-time indicating number correction circuit |
| US3656060A (en) * | 1971-01-15 | 1972-04-11 | Ibm | Time interval measuring and accumulating device |
-
1971
- 1971-03-20 JP JP1566871A patent/JPS5327630B1/ja active Pending
-
1972
- 1972-03-17 GB GB1263872A patent/GB1354231A/en not_active Expired
- 1972-03-20 FR FR7209615A patent/FR2130450B1/fr not_active Expired
- 1972-03-20 US US00235959A patent/US3798428A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5327630B1 (enrdf_load_stackoverflow) | 1978-08-09 |
| FR2130450B1 (enrdf_load_stackoverflow) | 1976-10-29 |
| DE2213460A1 (de) | 1972-12-21 |
| FR2130450A1 (enrdf_load_stackoverflow) | 1972-11-03 |
| DE2213460B2 (de) | 1976-06-16 |
| US3798428A (en) | 1974-03-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |