[go: up one dir, main page]

JPS52134472A - Method and device for elongate battery life for digital clock - Google Patents

Method and device for elongate battery life for digital clock

Info

Publication number
JPS52134472A
JPS52134472A JP5003077A JP5003077A JPS52134472A JP S52134472 A JPS52134472 A JP S52134472A JP 5003077 A JP5003077 A JP 5003077A JP 5003077 A JP5003077 A JP 5003077A JP S52134472 A JPS52134472 A JP S52134472A
Authority
JP
Japan
Prior art keywords
battery life
digital clock
elongate battery
elongate
clock
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.)
Pending
Application number
JP5003077A
Other languages
English (en)
Inventor
Ii Uokaa Denisu
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 JPS52134472A publication Critical patent/JPS52134472A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/08—Arrangements for preventing voltage drop due to overloading the power supply
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
JP5003077A 1976-05-03 1977-05-02 Method and device for elongate battery life for digital clock Pending JPS52134472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/682,431 US4015420A (en) 1976-05-03 1976-05-03 Battery select circuitry and level translator for a digital watch

Publications (1)

Publication Number Publication Date
JPS52134472A true JPS52134472A (en) 1977-11-10

Family

ID=24739668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5003077A Pending JPS52134472A (en) 1976-05-03 1977-05-02 Method and device for elongate battery life for digital clock

Country Status (6)

Country Link
US (1) US4015420A (ja)
JP (1) JPS52134472A (ja)
DE (1) DE2716244C3 (ja)
FR (1) FR2350632A2 (ja)
GB (1) GB1557128A (ja)
HK (1) HK34480A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH593510B5 (ja) * 1975-08-14 1977-12-15 Ebauches Sa
CH617298A5 (ja) * 1976-05-07 1980-05-14 Ebauches Sa
US4149257A (en) * 1976-06-15 1979-04-10 Citizen Watch Company Limited Alarm watch equipped with electronic calculator
DE3600515C1 (de) * 1986-01-10 1993-05-13 Fraunhofer Ges Forschung Elektronische Uhr
WO1990014625A1 (en) * 1989-05-26 1990-11-29 Seiko Epson Corporation Power source circuit
US5712553A (en) * 1996-01-11 1998-01-27 Sharp Microelectronics Technology, Inc. Battery transposition system and method
DE29806161U1 (de) * 1998-04-06 1998-07-30 AFG-Elektronik GmbH, 90765 Fürth Uhr
US6288979B1 (en) * 2000-04-06 2001-09-11 Moneray International Ltd. Solar-driven eternity clock
US7523321B2 (en) * 2004-01-16 2009-04-21 Dell Products L.P. Information handling system including a battery switching circuit
KR100656588B1 (ko) * 2006-02-10 2006-12-13 삼성전자주식회사 외장 배터리의 추가 장착에 대한 식별이 용이한 배터리잔량정보의 표시가 가능한 휴대용 단말기 및 그 방법
JP5799703B2 (ja) * 2011-09-22 2015-10-28 セイコーエプソン株式会社 電子時計および二次電池ユニット
US9501040B2 (en) * 2014-10-01 2016-11-22 William J. McNulty, Jr. Appliance or light timer including rechargeable back-up battery and external charger
CN114968051B (zh) * 2021-02-19 2024-08-20 Oppo广东移动通信有限公司 穿戴手表的供电方法、装置、穿戴手表及存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189471A (en) * 1975-02-03 1976-08-05 Denshidokeino dengensochi

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968641A (en) * 1975-05-12 1976-07-13 Hughes Aircraft Company Digital watch with oscillator/divider power selection circuitry

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189471A (en) * 1975-02-03 1976-08-05 Denshidokeino dengensochi

Also Published As

Publication number Publication date
DE2716244C3 (de) 1979-06-13
HK34480A (en) 1980-07-01
DE2716244A1 (de) 1977-11-10
GB1557128A (en) 1979-12-05
FR2350632A2 (fr) 1977-12-02
US4015420A (en) 1977-04-05
DE2716244B2 (de) 1978-10-19

Similar Documents

Publication Publication Date Title
JPS52135207A (en) Method and device for indicating dial information
JPS5348430A (en) Clock device
JPS5363791A (en) Curing method and device
JPS5343829A (en) Battery and method of making it
JPS5351445A (en) Spiral electrochemical cell and method and device for producing same
JPS52147744A (en) Battery backkup device
JPS5335932A (en) Battery cell* battery device and method of making them
JPS51114607A (en) Method and device for charging battery
JPS5296477A (en) Slitting method and device therefor
JPS5381121A (en) Method of taking electrophotography and device therefor
JPS52134472A (en) Method and device for elongate battery life for digital clock
JPS5345871A (en) Method and device for transferring strip
JPS5312363A (en) Battery type electronic clock
JPS5332341A (en) Method and device for producing battery paste
JPS52136332A (en) Lead battery and method of regenerating lead battery
JPS5392173A (en) Timepiece device
JPS5378029A (en) Method and device for deciding performance of storage battery
JPS52104270A (en) Cell clock
JPS5346636A (en) Battery and method of making it
JPS5357594A (en) Sandblasting method and device therefor
GB1548333A (en) Lasing device and method using mercury and cadmium or ammonia
JPS5372663A (en) Timepiece device
JPS526943A (en) Electronic device and battery for use therefor
JPS5344033A (en) Electroocopying device and copying method
JPS52145365A (en) Partial drawing method and device