HK52377A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
HK52377A
HK52377A HK52377A HK52377A HK52377A HK 52377 A HK52377 A HK 52377A HK 52377 A HK52377 A HK 52377A HK 52377 A HK52377 A HK 52377A HK 52377 A HK52377 A HK 52377A
Authority
HK
Hong Kong
Prior art keywords
electronic watch
watch
electronic
Prior art date
Application number
HK52377A
Inventor
E C Ho
N E Moyer
R J Belardi
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of HK52377A publication Critical patent/HK52377A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/126—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals provided with means for displaying at will a time indication or a date or a part thereof
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • 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
    • G04G9/0052—Details electrical, e.g. selection or application of the operating voltage using means to adjust the display in accordance with the ambient light, e.g. switching or controlling a supplementary light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
HK52377A 1973-05-29 1977-10-13 Electronic watch HK52377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36479473A 1973-05-29 1973-05-29

Publications (1)

Publication Number Publication Date
HK52377A true HK52377A (en) 1977-10-20

Family

ID=23436105

Family Applications (1)

Application Number Title Priority Date Filing Date
HK52377A HK52377A (en) 1973-05-29 1977-10-13 Electronic watch

Country Status (4)

Country Link
JP (1) JPS5022669A (en)
FR (1) FR2231996B1 (en)
GB (1) GB1466624A (en)
HK (1) HK52377A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824754B2 (en) * 1975-05-23 1983-05-23 セイコーインスツルメンツ株式会社 Gozen
JPS5247770A (en) * 1975-10-14 1977-04-15 Seiko Instr & Electronics Ltd Electronic watch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823551A (en) * 1971-05-03 1974-07-16 Riehl Electronics Corp Solid state electronic timepiece

Also Published As

Publication number Publication date
FR2231996B1 (en) 1978-01-20
FR2231996A1 (en) 1974-12-27
GB1466624A (en) 1977-03-09
JPS5022669A (en) 1975-03-11

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