CH884866A4 - - Google Patents

Info

Publication number
CH884866A4
CH884866A4 CH884866D CH884866D CH884866A4 CH 884866 A4 CH884866 A4 CH 884866A4 CH 884866 D CH884866 D CH 884866D CH 884866 D CH884866 D CH 884866D CH 884866 A4 CH884866 A4 CH 884866A4
Authority
CH
Switzerland
Application number
CH884866D
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 filed Critical
Publication of CH884866A4 publication Critical patent/CH884866A4/xx

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G9/00Visual time or date indication means
    • G04G9/02Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/04Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F5/00Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/16Apparatus for producing preselected time intervals for use as timing standards using pulses produced by radio-isotopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CH884866D 1965-06-22 1966-06-17 CH884866A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US465907A US3370414A (en) 1965-06-22 1965-06-22 Electronic timepiece

Publications (1)

Publication Number Publication Date
CH884866A4 true CH884866A4 (fr) 1969-05-14

Family

ID=23849650

Family Applications (2)

Application Number Title Priority Date Filing Date
CH884866A CH477723A (fr) 1965-06-22 1966-06-17 Dispositif d'horlogerie
CH884866D CH884866A4 (fr) 1965-06-22 1966-06-17

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH884866A CH477723A (fr) 1965-06-22 1966-06-17 Dispositif d'horlogerie

Country Status (5)

Country Link
US (1) US3370414A (fr)
CH (2) CH477723A (fr)
DE (1) DE1523879A1 (fr)
FR (1) FR1483394A (fr)
GB (1) GB1101269A (fr)

Families Citing this family (8)

* 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
CH566368A4 (fr) * 1968-04-17 1971-11-30
US3629582A (en) * 1969-04-24 1971-12-21 Dale R Koehler Timepiece with radioactive timekeeping standard
US3839857A (en) * 1971-06-03 1974-10-08 American Cyanamid Co Electrochromic information displays
US3733489A (en) * 1971-07-07 1973-05-15 Us Army Radiation timing device
JPS5319944B2 (fr) * 1971-09-25 1978-06-23
GB1443434A (en) * 1973-01-22 1976-07-21 Mullard Ltd Semiconductor devices
GB2405225B (en) * 2003-08-20 2006-05-17 Alan Charles Sturt Radioactive timekeeping

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB771823A (en) * 1954-10-27 1957-04-03 Philips Nv Improvements in or relating to timepiece mechanisms
US3194003A (en) * 1963-11-13 1965-07-13 Vogel And Company P Solid state electronic timepiece

Also Published As

Publication number Publication date
US3370414A (en) 1968-02-27
CH477723A (fr) 1969-05-14
GB1101269A (en) 1968-01-31
DE1523879A1 (de) 1969-09-25
FR1483394A (fr) 1967-06-02

Similar Documents

Publication Publication Date Title
BE670298A (fr)
JPS4213967Y1 (fr)
BE675146A (fr)
BE660468A (fr)
BE660680A (fr)
BE661304A (fr)
BE662704A (fr)
BE663951A (fr)
BE664335A (fr)
BE665466A (fr)
BE666660A (fr)
BE666805A (fr)
BE667205A (fr)
BE667746A (fr)
BE668590A (fr)
BE672025A (fr)
BE672117A (fr)
BE672334A (fr)
BE672648A (fr)
BE672693A (fr)
CH416368A4 (fr)
BE673712A (fr)
BE673791A (fr)
BE673846A (fr)
BE674026A (fr)