DE2206102C2 - Armbanduhr o.dgl. - Google Patents

Armbanduhr o.dgl.

Info

Publication number
DE2206102C2
DE2206102C2 DE2206102A DE2206102A DE2206102C2 DE 2206102 C2 DE2206102 C2 DE 2206102C2 DE 2206102 A DE2206102 A DE 2206102A DE 2206102 A DE2206102 A DE 2206102A DE 2206102 C2 DE2206102 C2 DE 2206102C2
Authority
DE
Germany
Prior art keywords
voltage
display device
circuit arrangement
mos
liquid crystal
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
DE2206102A
Other languages
German (de)
English (en)
Other versions
DE2206102A1 (de
Inventor
Kinji Nagano Fujita
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of DE2206102A1 publication Critical patent/DE2206102A1/de
Application granted granted Critical
Publication of DE2206102C2 publication Critical patent/DE2206102C2/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G9/00Visual time or date indication means
    • G04G9/0023Visual time or date indication means by light valves in general
    • G04G9/0029Details
    • G04G9/0047Details electrical, e.g. selection or application of the operating voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
DE2206102A 1971-02-18 1972-02-09 Armbanduhr o.dgl. Expired DE2206102C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46007161 1971-02-18

Publications (2)

Publication Number Publication Date
DE2206102A1 DE2206102A1 (de) 1972-08-31
DE2206102C2 true DE2206102C2 (de) 1983-03-24

Family

ID=11658337

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2206102A Expired DE2206102C2 (de) 1971-02-18 1972-02-09 Armbanduhr o.dgl.

Country Status (4)

Country Link
US (1) US3828547A (OSRAM)
DE (1) DE2206102C2 (OSRAM)
FR (1) FR2125580B1 (OSRAM)
GB (1) GB1339402A (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH613341B (de) * 1972-09-20 Citizen Watch Co Ltd Elektronisches, zeithaltendes geraet, insbesondere armbanduhr.
JPS5751076B2 (OSRAM) * 1973-08-02 1982-10-30
US4014165A (en) * 1974-03-25 1977-03-29 Texas Instruments Incorporated DC-DC converter in watch system
JPS5159667A (OSRAM) * 1974-11-21 1976-05-24 Suwa Seikosha Kk
US3983690A (en) * 1975-05-19 1976-10-05 Mcsohmer Corporation Digital timepiece having chronometric display
JPS51140642A (en) * 1975-05-29 1976-12-03 Seiko Epson Corp Driving circuit
JPS52128100A (en) * 1976-04-21 1977-10-27 Toshiba Corp Driver circuit
US4208869A (en) * 1976-07-31 1980-06-24 Citizen Watch Co., Ltd. Illumination device for electronic timepiece
US4146876A (en) * 1977-06-29 1979-03-27 International Business Machines Corporation Matrix addressed electrochromic display
JPS5643605A (en) * 1979-09-18 1981-04-22 Fujitsu Ltd Photoswitch
US4593279A (en) * 1981-12-24 1986-06-03 Texas Instruments Incorporated Low power liquid crystal display driver circuit
US4607176A (en) * 1984-08-22 1986-08-19 The United States Of America As Represented By The Secretary Of The Air Force Tally cell circuit
US4866430A (en) * 1986-12-11 1989-09-12 Motorola, Inc. Low voltage LED driver circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1272997A (en) * 1968-06-13 1972-05-03 United States Time Corp Horological electronic circuit
US3613351A (en) * 1969-05-13 1971-10-19 Hamilton Watch Co Wristwatch with liquid crystal display
US3672155A (en) * 1970-05-06 1972-06-27 Hamilton Watch Co Solid state watch
CH697470A4 (OSRAM) * 1970-05-11 1972-08-31
CA906067A (en) * 1970-05-14 1972-07-25 E. Harris John Crystal controlled electric clock
US3664118A (en) * 1970-09-09 1972-05-23 Hamilton Watch Co Electronically controlled timepiece using low power mos transistor circuitry
JPS4711874A (OSRAM) * 1970-11-05 1972-06-14
GB1343660A (en) * 1970-12-29 1974-01-16 Suwa Seikosha Kk Timepiece

Also Published As

Publication number Publication date
US3828547A (en) 1974-08-13
DE2206102A1 (de) 1972-08-31
FR2125580A1 (OSRAM) 1972-09-29
GB1339402A (en) 1973-12-05
FR2125580B1 (OSRAM) 1977-04-01

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: FLUEGEL, O., DIPL.-ING. SAEGER, M., DIPL.-ING., PA

D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation