BE780107A - TIME-GUARD - Google Patents
TIME-GUARDInfo
- Publication number
- BE780107A BE780107A BE780107A BE780107A BE780107A BE 780107 A BE780107 A BE 780107A BE 780107 A BE780107 A BE 780107A BE 780107 A BE780107 A BE 780107A BE 780107 A BE780107 A BE 780107A
- Authority
- BE
- Belgium
- Prior art keywords
- guard
- time
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
- H03K23/662—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by adding or suppressing 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
- G04G3/022—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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1511771A CH554015A (en) | 1971-10-15 | 1971-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE780107A true BE780107A (en) | 1972-07-03 |
Family
ID=4406474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE780107A BE780107A (en) | 1971-10-15 | 1972-03-02 | TIME-GUARD |
Country Status (11)
Country | Link |
---|---|
US (1) | US3895486A (en) |
JP (1) | JPS5623116B2 (en) |
BE (1) | BE780107A (en) |
CA (1) | CA951913A (en) |
CH (1) | CH554015A (en) |
DE (1) | DE2211441A1 (en) |
FR (1) | FR2156523B1 (en) |
GB (1) | GB1392524A (en) |
HK (1) | HK18380A (en) |
IT (1) | IT950298B (en) |
NL (1) | NL7204364A (en) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4919854A (en) * | 1972-06-12 | 1974-02-21 | ||
JPS549912B2 (en) * | 1972-09-22 | 1979-04-28 | ||
US4015419A (en) * | 1972-10-02 | 1977-04-05 | Citizen Watch Co., Ltd. | Electronic timepiece |
JPS4994255A (en) * | 1973-01-11 | 1974-09-06 | ||
US3967442A (en) * | 1973-02-01 | 1976-07-06 | Berney Jean Claude | Electric watch having an electromechanical movement including a correction mechanism for small errors |
US4062178A (en) * | 1973-04-19 | 1977-12-13 | Kabushiki Kaisha Suwa Seikosha | Electronic timepiece |
JPS49130774A (en) * | 1973-04-19 | 1974-12-14 | ||
JPS5756034B2 (en) * | 1973-09-10 | 1982-11-27 | ||
JPS5759508B2 (en) * | 1973-09-21 | 1982-12-15 | Suwa Seikosha Kk | |
JPS587190B2 (en) * | 1973-12-05 | 1983-02-08 | セイコーエプソン株式会社 | Suishiodokei |
US3945194A (en) * | 1973-12-15 | 1976-03-23 | Itt Industries, Inc. | Electronic quartz clock with integrated circuits |
JPS50145269A (en) * | 1974-05-14 | 1975-11-21 | ||
US4162608A (en) * | 1974-06-05 | 1979-07-31 | Kabushiki Kaisha Suwa Seikosha | Electronic timepiece frequency regulating circuit |
US4133169A (en) * | 1974-08-30 | 1979-01-09 | Ebauches S.A. | Electronic circuit for a quartz crystal watch |
CH589886B5 (en) * | 1974-10-14 | 1977-07-29 | Centre Electron Horloger | |
JPH0310916B2 (en) * | 1974-10-31 | 1991-02-14 | Citizen Watch Co Ltd | |
JPS5156680A (en) * | 1974-11-14 | 1976-05-18 | Seiko Instr & Electronics | Denshidokeino byoshuseisochi |
JPS5156677A (en) * | 1974-11-14 | 1976-05-18 | Seiko Instr & Electronics | |
JPS5170676A (en) * | 1974-12-17 | 1976-06-18 | Casio Computer Co Ltd | |
JPS5179371A (en) * | 1974-12-18 | 1976-07-10 | Suwa Seikosha Kk | |
JPS5181165A (en) * | 1975-01-13 | 1976-07-15 | Suwa Seikosha Kk | |
JPS5188257A (en) * | 1975-01-31 | 1976-08-02 | Denshidokeino kankyuchoseisochi | |
JPS5547717B2 (en) * | 1975-03-08 | 1980-12-02 | ||
JPS6015905B2 (en) * | 1975-06-18 | 1985-04-22 | セイコーエプソン株式会社 | electronic clock |
JPS6024433B2 (en) * | 1975-08-01 | 1985-06-12 | シチズン時計株式会社 | clock circuit |
JPS5227247A (en) * | 1975-08-26 | 1977-03-01 | Seikosha Co Ltd | Signal generator with gt-cut quatz vibrator |
JPS6046389B2 (en) * | 1975-09-18 | 1985-10-15 | シャープ株式会社 | electronic clock |
US4055945A (en) * | 1975-12-15 | 1977-11-01 | Timex Corporation | Frequency adjustment means for an electronic timepiece |
JPS5280870A (en) * | 1975-12-27 | 1977-07-06 | Canon Inc | Electronic watch |
US4141208A (en) * | 1976-01-19 | 1979-02-27 | Hughes Aircraft Company | Digitally tuned timepiece |
US4150536A (en) * | 1976-01-28 | 1979-04-24 | Citizen Watch Company Limited | Electronic timepiece |
DE2616398C2 (en) * | 1976-04-14 | 1978-06-01 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit arrangement for regulating the pulse repetition frequency of a signal |
CH512076A4 (en) * | 1976-04-23 | 1977-06-30 | ||
US4068462A (en) * | 1976-05-17 | 1978-01-17 | Fairchild Camera And Instrument Corporation | Frequency adjustment circuit |
JPS52146273A (en) * | 1976-05-29 | 1977-12-05 | Casio Comput Co Ltd | Electronic watch device |
CH608333GA3 (en) | 1976-11-29 | 1979-01-15 | Electronic time-measuring device | |
CH620565B (en) * | 1977-02-28 | Ebauches Sa | ELECTRONIC WATCH PART. | |
CH621036B (en) * | 1977-02-28 | Berney Sa Jean Claude | INTEGRATED CIRCUIT FOR WATCHMAKING PART. | |
CH617058B (en) * | 1977-07-18 | Berney Sa Jean Claude | ELECTRONIC WATCH PART. | |
JPS5422865A (en) * | 1977-07-21 | 1979-02-21 | Seiko Epson Corp | Miniature electronic watch |
US4199726A (en) * | 1977-09-23 | 1980-04-22 | Bukosky Allen A | Digitally tunable integrated circuit pulse generator and tuning system |
JPS6039193B2 (en) * | 1977-10-18 | 1985-09-04 | セイコーエプソン株式会社 | electronic clock |
JPS54105580A (en) * | 1978-02-07 | 1979-08-18 | Seiko Epson Corp | Crystal oscillation type wristwatch |
JPS54134669A (en) * | 1978-04-11 | 1979-10-19 | Citizen Watch Co Ltd | Electronic watch |
JPS55129789A (en) * | 1979-03-29 | 1980-10-07 | Seiko Epson Corp | Electronic watch |
US4282595A (en) * | 1979-12-21 | 1981-08-04 | Timex Corporation | Method for digital frequency trimming an oscillator in an electronic timepiece |
US4290130A (en) * | 1979-12-21 | 1981-09-15 | Timex Corporation | Digital frequency trimmed electronic timepiece |
US4349890A (en) * | 1979-12-28 | 1982-09-14 | International Business Machines Corp. | Time of day clock control |
JPS6124957Y2 (en) * | 1979-12-28 | 1986-07-26 | ||
JPS56140281A (en) * | 1980-04-01 | 1981-11-02 | Citizen Watch Co Ltd | Electronic timepiece |
CH643106B (en) * | 1980-11-26 | Suisse Horlogerie | TIME-GUARD INCLUDING A CHAIN OF DIVIDERS WITH ADJUSTABLE DIVISION RATIO. | |
US4400093A (en) * | 1981-07-06 | 1983-08-23 | Omega Louis Brandt & Frere S.A. | Method for inspecting the running of a timepiece and timepiece adapted for such method |
US4724366A (en) * | 1982-05-17 | 1988-02-09 | International Business Machines Corporation | Randomized motor drive |
JPS6121116U (en) * | 1985-02-28 | 1986-02-07 | セイコーエプソン株式会社 | time standard |
CH664868GA3 (en) * | 1986-07-10 | 1988-04-15 | ||
US4897860A (en) * | 1988-03-02 | 1990-01-30 | Dallas Semiconductor Corporation | Programmable time base circuit with protected internal calibration |
DE4031532C1 (en) * | 1990-10-05 | 1992-03-26 | D.I.E.N.E.S Apparatebau Gmbh, 6052 Muehlheim, De | Variable frequency generator e.g. for motor control converter - has gate circuit between pulse generating oscillator and frequency divider |
EP1253488B1 (en) | 2001-04-27 | 2007-04-11 | CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement | Time keeping device with automatic time correction and method for correcting such a time keeper |
EP1748561A1 (en) | 2005-07-25 | 2007-01-31 | Jaquet Ingénieur Conseils Sàrl | Temperature compensation process for a crystal time base |
EP2854293B1 (en) | 2013-09-30 | 2016-03-30 | Micro Crystal AG | Temperature compensated timing signal generator |
EP2854294B1 (en) | 2013-09-30 | 2016-03-30 | Micro Crystal AG | Temperature compensated timing signal generator |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH907762A4 (en) * | 1962-07-28 | 1964-03-31 | ||
FR1448920A (en) * | 1965-06-28 | 1966-08-12 | Csf | Pulse counters |
US3464018A (en) * | 1966-08-26 | 1969-08-26 | Nasa | Digitally controlled frequency synthesizer |
US3364439A (en) * | 1966-10-07 | 1968-01-16 | Tele Signal Corp | Frequency corrected digital clock with memory in phase control loop |
US3581066A (en) * | 1968-03-06 | 1971-05-25 | Lear Siegler Inc | Programmable counting circuit |
CH507620A (en) * | 1968-08-21 | 1971-05-15 | Fujitsu Ltd | Converter for converting pulses that occur at irregular intervals into a pulse train with a balanced repetition frequency of the individual pulses |
US3540207A (en) * | 1968-09-20 | 1970-11-17 | Timex Corp | Electronic watch counting circuit |
US3621403A (en) * | 1969-03-28 | 1971-11-16 | Magnovox Co The | Digital frequency modulated sweep generator |
US3629582A (en) * | 1969-04-24 | 1971-12-21 | Dale R Koehler | Timepiece with radioactive timekeeping standard |
US3719838A (en) * | 1971-08-02 | 1973-03-06 | Bulova Watch Co Inc | Temperature compensating digital system for electromechanical resonators |
US3777471A (en) * | 1971-08-27 | 1973-12-11 | Bulova Watch Co Inc | Presettable frequency divider for electronic timepiece |
-
1971
- 1971-10-15 CH CH1511771A patent/CH554015A/xx unknown
-
1972
- 1972-03-02 BE BE780107A patent/BE780107A/en unknown
- 1972-03-07 FR FR7207840A patent/FR2156523B1/fr not_active Expired
- 1972-03-08 GB GB1070372A patent/GB1392524A/en not_active Expired
- 1972-03-08 CA CA136,535A patent/CA951913A/en not_active Expired
- 1972-03-09 DE DE2211441A patent/DE2211441A1/en active Pending
- 1972-03-10 JP JP2407072A patent/JPS5623116B2/ja not_active Expired
- 1972-03-16 IT IT21980/72A patent/IT950298B/en active
- 1972-03-21 US US236774A patent/US3895486A/en not_active Expired - Lifetime
- 1972-03-30 NL NL7204364A patent/NL7204364A/xx not_active Application Discontinuation
-
1980
- 1980-04-10 HK HK183/80A patent/HK18380A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2211441A1 (en) | 1973-04-19 |
CA951913A (en) | 1974-07-30 |
CH1511771A4 (en) | 1973-12-28 |
IT950298B (en) | 1973-06-20 |
HK18380A (en) | 1980-04-18 |
GB1392524A (en) | 1975-04-30 |
JPS5623116B2 (en) | 1981-05-29 |
US3895486A (en) | 1975-07-22 |
JPS4848163A (en) | 1973-07-07 |
FR2156523A1 (en) | 1973-06-01 |
CH554015A (en) | 1974-09-13 |
FR2156523B1 (en) | 1977-01-14 |
NL7204364A (en) | 1973-04-17 |
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