CH604247B5 - - Google Patents

Info

Publication number
CH604247B5
CH604247B5 CH775274A CH775274A CH604247B5 CH 604247 B5 CH604247 B5 CH 604247B5 CH 775274 A CH775274 A CH 775274A CH 775274 A CH775274 A CH 775274A CH 604247 B5 CH604247 B5 CH 604247B5
Authority
CH
Switzerland
Application number
CH775274A
Inventor
Yasuhiko Nishikubo
Original Assignee
Citizen Watch 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 date
Priority claimed from JP6418373A external-priority patent/JPS5015582A/ja
Priority claimed from JP13838873A external-priority patent/JPS5751078B2/ja
Priority claimed from JP517574A external-priority patent/JPS50101067A/ja
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of CH604247B5 publication Critical patent/CH604247B5/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
CH775274A 1973-06-07 1974-06-06 CH604247B5 (cs)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6418373A JPS5015582A (cs) 1973-06-07 1973-06-07
JP13838873A JPS5751078B2 (cs) 1973-12-05 1973-12-05
JP517574A JPS50101067A (cs) 1974-01-07 1974-01-07

Publications (1)

Publication Number Publication Date
CH604247B5 true CH604247B5 (cs) 1978-08-31

Family

ID=27276628

Family Applications (2)

Application Number Title Priority Date Filing Date
CH775274D CH775274A4 (cs) 1973-06-07 1974-06-06
CH775274A CH604247B5 (cs) 1973-06-07 1974-06-06

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH775274D CH775274A4 (cs) 1973-06-07 1974-06-06

Country Status (5)

Country Link
US (1) US3939643A (cs)
CH (2) CH775274A4 (cs)
DE (1) DE2427396C3 (cs)
FR (1) FR2232789B1 (cs)
GB (1) GB1464993A (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH615561B (de) * 1975-06-30 Sharp Kk Elektronische uhr.
JPS53146558A (en) * 1977-05-26 1978-12-20 Citizen Watch Co Ltd Oscillator circuit
US4456837A (en) * 1981-10-15 1984-06-26 Rca Corporation Circuitry for generating non-overlapping pulse trains
KR920003128A (ko) * 1990-07-31 1992-02-29 이헌조 시계용 기준 주파수 듀얼 선택 방법
JP2003098992A (ja) * 2001-09-19 2003-04-04 Nec Corp ディスプレイの駆動方法、その回路及び携帯用電子機器
US9543962B1 (en) 2016-01-12 2017-01-10 Analog Devices, Inc. Apparatus and methods for single phase spot circuits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH501959A (fr) * 1968-12-20 1970-08-31 Ebauches Sa Convertisseur de fréquence électronique
CA945641A (en) * 1970-04-27 1974-04-16 Tokyo Shibaura Electric Co. Logic circuit using complementary type insulated gate field effect transistors
JPS5127151B1 (cs) * 1970-12-26 1976-08-11
US3699763A (en) * 1971-07-06 1972-10-24 Us Navy 24-hour digital clock
US3765163A (en) * 1972-03-17 1973-10-16 Uranus Electronics Electronic timepiece

Also Published As

Publication number Publication date
FR2232789B1 (cs) 1979-08-03
CH775274A4 (cs) 1977-08-31
GB1464993A (en) 1977-02-16
US3939643A (en) 1976-02-24
DE2427396A1 (de) 1975-01-02
DE2427396B2 (de) 1977-03-24
FR2232789A1 (cs) 1975-01-03
DE2427396C3 (de) 1980-09-04

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Legal Events

Date Code Title Description
PL Patent ceased