JPS5296000A - Reflector for infrared-ray irruption alarm - Google Patents

Reflector for infrared-ray irruption alarm

Info

Publication number
JPS5296000A
JPS5296000A JP1299676A JP1299676A JPS5296000A JP S5296000 A JPS5296000 A JP S5296000A JP 1299676 A JP1299676 A JP 1299676A JP 1299676 A JP1299676 A JP 1299676A JP S5296000 A JPS5296000 A JP S5296000A
Authority
JP
Japan
Prior art keywords
reflector
irruption
alarm
ray
infrared
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
JP1299676A
Other languages
Japanese (ja)
Inventor
Kimihiko Satake
Sho Yasuda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1299676A priority Critical patent/JPS5296000A/en
Publication of JPS5296000A publication Critical patent/JPS5296000A/en
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)

Abstract

PURPOSE: To improve the detection efficiency only for the wide warning object by constituting the Cassegrain-type reflector, consisting of the multiple reflector element continuously to a single focus mirror and having an optical continuous reflector in order to perform the condenser various direction.
COPYRIGHT: (C)1977,JPO&Japio
JP1299676A 1976-02-09 1976-02-09 Reflector for infrared-ray irruption alarm Pending JPS5296000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1299676A JPS5296000A (en) 1976-02-09 1976-02-09 Reflector for infrared-ray irruption alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1299676A JPS5296000A (en) 1976-02-09 1976-02-09 Reflector for infrared-ray irruption alarm

Publications (1)

Publication Number Publication Date
JPS5296000A true JPS5296000A (en) 1977-08-12

Family

ID=11820802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1299676A Pending JPS5296000A (en) 1976-02-09 1976-02-09 Reflector for infrared-ray irruption alarm

Country Status (1)

Country Link
JP (1) JPS5296000A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465690U (en) * 1977-10-18 1979-05-10
JPS5465689U (en) * 1977-10-18 1979-05-10
JPS55143694A (en) * 1979-04-23 1980-11-10 American District Telegraph Co Invador detector
JPS5757391A (en) * 1980-07-28 1982-04-06 American District Telegraph Co Passive infrared ray invasion detector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465690U (en) * 1977-10-18 1979-05-10
JPS5465689U (en) * 1977-10-18 1979-05-10
JPS55143694A (en) * 1979-04-23 1980-11-10 American District Telegraph Co Invador detector
JPS6336558B2 (en) * 1979-04-23 1988-07-20 Amerikan Deisutorikuto Teregurafu Co
JPS5757391A (en) * 1980-07-28 1982-04-06 American District Telegraph Co Passive infrared ray invasion detector
JPH0358050B2 (en) * 1980-07-28 1991-09-04 Amerikan Deisutorikuto Teregurafu Co

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