JPS51118996A - Material detector - Google Patents

Material detector

Info

Publication number
JPS51118996A
JPS51118996A JP4470375A JP4470375A JPS51118996A JP S51118996 A JPS51118996 A JP S51118996A JP 4470375 A JP4470375 A JP 4470375A JP 4470375 A JP4470375 A JP 4470375A JP S51118996 A JPS51118996 A JP S51118996A
Authority
JP
Japan
Prior art keywords
material detector
detector
failured
rise
reliability
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
JP4470375A
Other languages
Japanese (ja)
Other versions
JPS5811672B2 (en
Inventor
Mitsuru Yoda
Iwao Mochizuki
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.)
Nippon Signal Co Ltd
Original Assignee
Nippon Signal Co 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 Nippon Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP50044703A priority Critical patent/JPS5811672B2/en
Publication of JPS51118996A publication Critical patent/JPS51118996A/en
Publication of JPS5811672B2 publication Critical patent/JPS5811672B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

PURPOSE: To rise the reliability of the device by making it possible to detect material with other element even if one element is failured.
COPYRIGHT: (C)1976,JPO&Japio
JP50044703A 1975-04-11 1975-04-11 butsutaikenchisouchi Expired JPS5811672B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50044703A JPS5811672B2 (en) 1975-04-11 1975-04-11 butsutaikenchisouchi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50044703A JPS5811672B2 (en) 1975-04-11 1975-04-11 butsutaikenchisouchi

Publications (2)

Publication Number Publication Date
JPS51118996A true JPS51118996A (en) 1976-10-19
JPS5811672B2 JPS5811672B2 (en) 1983-03-04

Family

ID=12698763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50044703A Expired JPS5811672B2 (en) 1975-04-11 1975-04-11 butsutaikenchisouchi

Country Status (1)

Country Link
JP (1) JPS5811672B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851387U (en) * 1981-09-30 1983-04-07 オーテック電子株式会社 light beam warning device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59143270U (en) * 1983-03-16 1984-09-25 松下電器産業株式会社 heat collector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS425455Y1 (en) * 1966-09-10 1967-03-18
JPS4810929U (en) * 1971-06-25 1973-02-07
JPS4922860U (en) * 1972-05-29 1974-02-26

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS425455Y1 (en) * 1966-09-10 1967-03-18
JPS4810929U (en) * 1971-06-25 1973-02-07
JPS4922860U (en) * 1972-05-29 1974-02-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851387U (en) * 1981-09-30 1983-04-07 オーテック電子株式会社 light beam warning device
JPS642232Y2 (en) * 1981-09-30 1989-01-19

Also Published As

Publication number Publication date
JPS5811672B2 (en) 1983-03-04

Similar Documents

Publication Publication Date Title
JPS51142372A (en) Time measuring device
JPS529267A (en) Slip detector
JPS51118996A (en) Material detector
JPS5217006A (en) Tape tension control unit
JPS5222997A (en) Humidity sensing element
JPS5258946A (en) Displacement detector
JPS5437790A (en) Speed detector
JPS51126886A (en) Non contacting temperature detection device
JPS51132086A (en) Specific characteristics variation testing device
JPS5224559A (en) Electromagnetic type mold level detector
JPS51126187A (en) Temperature detection circuit
JPS5272257A (en) Multiple point type liquid level device
JPS5220091A (en) Solid electrolyte oxygen detecting device
JPS5357878A (en) Peak value detector
JPS525580A (en) Reversibee stop-watch
JPS5230923A (en) Burner with total use-hour indicator
JPS51139377A (en) Temperature detector
JPS51141684A (en) Automatic flaw detector
JPS5283126A (en) Phase detecting circuit
JPS5258947A (en) Measuring device for solids
JPS51124452A (en) Long material measuring devise
JPS51151094A (en) Light conductive element and its manufacturing method
JPS5258945A (en) Displacement detector
JPS5220066A (en) Current detecting circuit
JPS52112285A (en) Semiconductor open/short detector