GB1466624A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
GB1466624A
GB1466624A GB2247074A GB2247074A GB1466624A GB 1466624 A GB1466624 A GB 1466624A GB 2247074 A GB2247074 A GB 2247074A GB 2247074 A GB2247074 A GB 2247074A GB 1466624 A GB1466624 A GB 1466624A
Authority
GB
United Kingdom
Prior art keywords
display
coder
minutes
driver
counters
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
GB2247074A
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.)
Raytheon Co
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 GB1466624A publication Critical patent/GB1466624A/en
Expired legal-status Critical Current

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)
GB2247074A 1973-05-29 1974-05-20 Electronic watch Expired GB1466624A (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
GB1466624A true GB1466624A (en) 1977-03-09

Family

ID=23436105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2247074A Expired GB1466624A (en) 1973-05-29 1974-05-20 Electronic watch

Country Status (4)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824754B2 (ja) * 1975-05-23 1983-05-23 セイコーインスツルメンツ株式会社 ゴゼン ゴゴノクブンキノウオユウスルデンシドケイ
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
HK52377A (en) 1977-10-20
FR2231996A1 (enrdf_load_stackoverflow) 1974-12-27
JPS5022669A (enrdf_load_stackoverflow) 1975-03-11
FR2231996B1 (enrdf_load_stackoverflow) 1978-01-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee