CH621675B - Elektronisches zeitmessgeraet. - Google Patents

Elektronisches zeitmessgeraet.

Info

Publication number
CH621675B
CH621675B CH1636775A CH1636775A CH621675B CH 621675 B CH621675 B CH 621675B CH 1636775 A CH1636775 A CH 1636775A CH 1636775 A CH1636775 A CH 1636775A CH 621675 B CH621675 B CH 621675B
Authority
CH
Switzerland
Prior art keywords
time
correction
counter circuits
coupled
correct
Prior art date
Application number
CH1636775A
Other languages
English (en)
Other versions
CH621675GA3 (de
Inventor
Tohru Yasukura
Original Assignee
Casio Computer Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication of CH621675B publication Critical patent/CH621675B/de
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of CH621675GA3 publication Critical patent/CH621675GA3/xx

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)
  • Oscillators With Electromechanical Resonators (AREA)
  • Communication Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Electromechanical Clocks (AREA)
CH1636775A 1974-12-17 1975-12-17 Elektronisches zeitmessgeraet. CH621675B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49144708A JPS5170676A (de) 1974-12-17 1974-12-17

Publications (2)

Publication Number Publication Date
CH621675B true CH621675B (de)
CH621675GA3 CH621675GA3 (de) 1981-02-27

Family

ID=15368428

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1636775A CH621675B (de) 1974-12-17 1975-12-17 Elektronisches zeitmessgeraet.

Country Status (4)

Country Link
US (1) US4134254A (de)
JP (1) JPS5170676A (de)
CH (1) CH621675B (de)
GB (1) GB1524059A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717661A (en) * 1994-12-20 1998-02-10 Poulson; T. Earl Method and apparatus for adjusting the accuracy of electronic timepieces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH585271A4 (de) * 1971-04-22 1973-02-15
US3961472A (en) * 1971-05-03 1976-06-08 Ragen Semiconductor, Inc. Solid state electronic timepiece
CH554015A (de) * 1971-10-15 1974-09-13
JPS4857678A (de) * 1971-11-18 1973-08-13
JPS585393B2 (ja) * 1973-04-19 1983-01-31 セイコーエプソン株式会社 電子時計
JPS5751079B2 (de) * 1973-04-25 1982-10-30

Also Published As

Publication number Publication date
CH621675GA3 (de) 1981-02-27
US4134254A (en) 1979-01-16
JPS5170676A (de) 1976-06-18
GB1524059A (en) 1978-09-06

Similar Documents

Publication Publication Date Title
SE7607205L (sv) Elektronisk klocka med alarmanordning
CH619105B (de) Elektronische uhr.
CH612569B (fr) Montre electronique utilisable comme montre-chronographe et comme montre classique.
FR2328241A1 (fr) Montre electronique comportant un dispositif avertisseur
CH613351B (de) Elektronische uhr.
CH615315B (de) Zeitmessgeraet.
FR2330050A1 (fr) Montre electronique comportant un dispositif avertisseur
JPS5175482A (en) Denshidokeini okeru denchijumyohyojisochi
SE7702839L (sv) Digital, elektronisk klocka med alarmanordning
CH621675B (de) Elektronisches zeitmessgeraet.
CH615312B (de) Elektronische uhr.
IT973247B (it) Piastrina a circuito integrato per un orologio elettronic
FR2331829A1 (fr) Montre electronique a chronographe
JPS539162A (en) Electronic watch with calendar alarm
JPS5253467A (en) Electronic watch with alarm
SU399822A1 (ru) УСТРОЙСТВО ДЛЯ ИЗМЕРЕНИЯ п ВРЕМЕННЫХ ИНТЕРВАЛОВ
JPS5357872A (en) Electronic watch
FR2316645A1 (fr) Dispositif correcteur de temps pour compteur electronique de temps
JPS5325469A (en) Electron ic watch
JPS5285849A (en) Semiconductor integrated circuit for watches
ES236539A1 (es) Sistema de sincronizacion
JPS53162A (en) Electronic type clock
SU480042A1 (ru) Устройство дл пуска и останова балансового осцилл тора в электронномехинических часах
JPS5374067A (en) Electronic watch
JPS5485775A (en) Electronic watch