ES423218A1 - Perfeccionamientos en un reloj electrico. - Google Patents

Perfeccionamientos en un reloj electrico.

Info

Publication number
ES423218A1
ES423218A1 ES423218A ES423218A ES423218A1 ES 423218 A1 ES423218 A1 ES 423218A1 ES 423218 A ES423218 A ES 423218A ES 423218 A ES423218 A ES 423218A ES 423218 A1 ES423218 A1 ES 423218A1
Authority
ES
Spain
Prior art keywords
rectification
counter
derived
liquid crystal
pulsating
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
Application number
ES423218A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biviator AG
Original Assignee
Biviator AG
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
Application filed by Biviator AG filed Critical Biviator AG
Publication of ES423218A1 publication Critical patent/ES423218A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/02—Conversion or regulation of current or voltage
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
ES423218A 1973-03-13 1974-02-14 Perfeccionamientos en un reloj electrico. Expired ES423218A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH361373 1973-03-13

Publications (1)

Publication Number Publication Date
ES423218A1 true ES423218A1 (es) 1976-05-01

Family

ID=4259744

Family Applications (1)

Application Number Title Priority Date Filing Date
ES423218A Expired ES423218A1 (es) 1973-03-13 1974-02-14 Perfeccionamientos en un reloj electrico.

Country Status (7)

Country Link
US (1) US3881309A (es)
JP (1) JPS49122769A (es)
DE (1) DE2404628A1 (es)
ES (1) ES423218A1 (es)
FR (1) FR2221758B1 (es)
IT (1) IT1002950B (es)
NL (1) NL7403395A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008566A (en) * 1975-11-10 1977-02-22 Mcclintock Richard D Electronic watch generator
KR20070108179A (ko) * 2005-01-18 2007-11-08 엔엑스피 비 브이 변형 억제 센서 참조, 집적 회로 및 시간 측정 회로

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582656A (en) * 1968-03-21 1971-06-01 Bulova Watch Co Inc Time base combining radioactive source and solid-state detector
CH521625A (de) * 1968-04-17 1971-11-30 Baumgartner Freres Sa Mittels Kernenergie betriebener Zeitmesser
CH511476A (de) * 1968-10-08 1971-03-15 Proctor Ets Vorrichtung zum Erzeugen von periodischen, mechanischen Schwingungen in einem Uhrwerk
US3609957A (en) * 1969-03-27 1971-10-05 Gen Time Corp Drive arrangement for timekeeping system
CH532811A (fr) * 1970-05-11 1972-08-31 Manuf Des Montres Rolex S A Bi Pièce d'horlogerie comprenant un dispositif d'affichage avec au moins une cellule à cristal liquide

Also Published As

Publication number Publication date
FR2221758B1 (es) 1976-06-25
DE2404628A1 (de) 1974-10-03
NL7403395A (es) 1974-09-17
JPS49122769A (es) 1974-11-25
IT1002950B (it) 1976-05-20
US3881309A (en) 1975-05-06
FR2221758A1 (es) 1974-10-11

Similar Documents

Publication Publication Date Title
FR2256460B1 (es)
GB1472260A (en) Electro optical display system in a time-piece
GB1361230A (en) Electric watches
GB1339402A (en) Timepiece
FR2324043B1 (es)
ES423218A1 (es) Perfeccionamientos en un reloj electrico.
GB1330781A (en) Drive arrangement for an electronic timepiece
HK49182A (en) Improvements in or relating to electronic timepieces
GB1041951A (en) Dial train arrangement for a timekeeping instrument
JPS5438165A (en) Electronic watch
SU570875A1 (ru) Кварцевый генератор наручных электронных часов
JPS5267361A (en) Electronic watch
JPS5596480A (en) Compound indication for wrist watch
JPS52145069A (en) Electronic watch
JPS5745483A (en) Circuit for electrooptic display timepiece
JPS5238969A (en) Time display method of electronic watches
JPS546798A (en) Liquid crystal display unit
JPS53110565A (en) Liquid crystal display system
JPS5227251A (en) Phase deviation modulation circuit
JPS524269A (en) Crystal wrist watch with static shield plate
JPS5284777A (en) Electronic watch
JPS54123065A (en) Drive device for liquid crystal watch
JPS5359467A (en) Electronic watch
JPS5295244A (en) Liquid crystal display device
JPS5370782A (en) Piezoelectric vibrator unit