JPS5640773A - Battery checker - Google Patents

Battery checker

Info

Publication number
JPS5640773A
JPS5640773A JP11749479A JP11749479A JPS5640773A JP S5640773 A JPS5640773 A JP S5640773A JP 11749479 A JP11749479 A JP 11749479A JP 11749479 A JP11749479 A JP 11749479A JP S5640773 A JPS5640773 A JP S5640773A
Authority
JP
Japan
Prior art keywords
power supply
supply voltage
frequency
gate
light emitting
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.)
Granted
Application number
JP11749479A
Other languages
English (en)
Other versions
JPS6122264B2 (ja
Inventor
Masayoshi Kiuchi
Masanori Uchitoi
Hiroyasu Murakami
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP11749479A priority Critical patent/JPS5640773A/ja
Priority to US06/185,608 priority patent/US4376265A/en
Publication of JPS5640773A publication Critical patent/JPS5640773A/ja
Publication of JPS6122264B2 publication Critical patent/JPS6122264B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Exposure Control For Cameras (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP11749479A 1979-09-12 1979-09-12 Battery checker Granted JPS5640773A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11749479A JPS5640773A (en) 1979-09-12 1979-09-12 Battery checker
US06/185,608 US4376265A (en) 1979-09-12 1980-09-09 Power source voltage checking device particularly for checking the voltage of a battery in a camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11749479A JPS5640773A (en) 1979-09-12 1979-09-12 Battery checker

Publications (2)

Publication Number Publication Date
JPS5640773A true JPS5640773A (en) 1981-04-17
JPS6122264B2 JPS6122264B2 (ja) 1986-05-30

Family

ID=14713111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11749479A Granted JPS5640773A (en) 1979-09-12 1979-09-12 Battery checker

Country Status (2)

Country Link
US (1) US4376265A (ja)
JP (1) JPS5640773A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128440U (ja) * 1984-02-01 1985-08-29 小松フオ−クリフト株式会社 バツテリフオ−クリフトトラツクの警告装置

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730822A (en) * 1980-07-31 1982-02-19 Olympus Optical Co Ltd Average photometry method at plural points of automatic exposure camera
US4488115A (en) * 1980-11-12 1984-12-11 Garrett Electronics Low battery voltage indicator circuit for a metal detector
DE3361343D1 (en) * 1982-07-08 1986-01-09 Thorn Emi Instr Measuring instrument having low charge detector
JPS60230641A (ja) * 1984-04-28 1985-11-16 Canon Inc バツテリチエツク装置
JPS63212071A (ja) * 1987-02-25 1988-09-05 Sansha Electric Mfg Co Ltd 非消耗電極式ア−ク電源装置
JP2773144B2 (ja) * 1988-08-05 1998-07-09 ミノルタ株式会社 ズームレンズを備えるカメラ
US5105180A (en) * 1990-02-12 1992-04-14 Asahi Research Corporation Combination light unit and battery monitor device
US5099210A (en) * 1990-06-01 1992-03-24 Koss Corporation Battery status indicator
US5317362A (en) * 1991-06-13 1994-05-31 Fuji Photo Optical Co., Ltd. Control circuit for camera having auxiliary light source
FR2706620B1 (fr) * 1993-06-11 1995-07-21 Sgs Thomson Microelectronics Circuit intégré comportant un circuit de détection du niveau d'une tension de service.
JPH0862663A (ja) * 1994-08-23 1996-03-08 Olympus Optical Co Ltd カメラ
US5987615A (en) * 1997-12-22 1999-11-16 Stmicroelectronics, Inc. Programmable load transient compensator for reducing the transient response time to a load capable of operating at multiple power consumption levels
JP2002111787A (ja) * 2000-10-04 2002-04-12 Nec Corp 携帯電話装置
US7438191B2 (en) * 2006-12-15 2008-10-21 Uop Llc Angle rod screen design
CN113489473B (zh) * 2021-07-23 2023-10-31 星宸科技股份有限公司 频率产生装置与频率产生方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196357A (en) * 1962-12-31 1965-07-20 Gen Electric Battery condition tester for devices having an audio amplifier and electroacoustic transducer
JPS5256567A (en) * 1975-11-04 1977-05-10 Seiko Instr & Electronics Ltd Battery-voltage detecting system for electronic timepiece
JPS5571128A (en) * 1978-11-20 1980-05-29 Minolta Camera Kk Power supply voltage checking circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128440U (ja) * 1984-02-01 1985-08-29 小松フオ−クリフト株式会社 バツテリフオ−クリフトトラツクの警告装置

Also Published As

Publication number Publication date
JPS6122264B2 (ja) 1986-05-30
US4376265A (en) 1983-03-08

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