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JPS5315172A - Change component detector - Google Patents

Change component detector

Info

Publication number
JPS5315172A
JPS5315172A JP8979276A JP8979276A JPS5315172A JP S5315172 A JPS5315172 A JP S5315172A JP 8979276 A JP8979276 A JP 8979276A JP 8979276 A JP8979276 A JP 8979276A JP S5315172 A JPS5315172 A JP S5315172A
Authority
JP
Japan
Prior art keywords
change component
component detector
light
converting
power supply
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
JP8979276A
Other languages
Japanese (ja)
Other versions
JPS5814985B2 (en
Inventor
Tatsuo Inukai
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP51089792A priority Critical patent/JPS5814985B2/en
Publication of JPS5315172A publication Critical patent/JPS5315172A/en
Publication of JPS5814985B2 publication Critical patent/JPS5814985B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To prevent false operation at the on and off of a driving power supply and perform positive change component detection in converting the changes of light to electric signals like a light beam type automatic alarm.
COPYRIGHT: (C)1978,JPO&Japio
JP51089792A 1976-07-27 1976-07-27 Change detection equipment Expired JPS5814985B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51089792A JPS5814985B2 (en) 1976-07-27 1976-07-27 Change detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51089792A JPS5814985B2 (en) 1976-07-27 1976-07-27 Change detection equipment

Publications (2)

Publication Number Publication Date
JPS5315172A true JPS5315172A (en) 1978-02-10
JPS5814985B2 JPS5814985B2 (en) 1983-03-23

Family

ID=13980531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51089792A Expired JPS5814985B2 (en) 1976-07-27 1976-07-27 Change detection equipment

Country Status (1)

Country Link
JP (1) JPS5814985B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917394A (en) * 1972-06-10 1974-02-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917394A (en) * 1972-06-10 1974-02-15

Also Published As

Publication number Publication date
JPS5814985B2 (en) 1983-03-23

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