JPH0447876B2 - - Google Patents

Info

Publication number
JPH0447876B2
JPH0447876B2 JP58249491A JP24949183A JPH0447876B2 JP H0447876 B2 JPH0447876 B2 JP H0447876B2 JP 58249491 A JP58249491 A JP 58249491A JP 24949183 A JP24949183 A JP 24949183A JP H0447876 B2 JPH0447876 B2 JP H0447876B2
Authority
JP
Japan
Prior art keywords
light
rays
time
blocked
alarm
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.)
Expired - Lifetime
Application number
JP58249491A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60142498A (ja
Inventor
Hiroshi Ono
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.)
OOTEC DENSHI KK
Original Assignee
OOTEC DENSHI KK
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 OOTEC DENSHI KK filed Critical OOTEC DENSHI KK
Priority to JP58249491A priority Critical patent/JPS60142498A/ja
Priority to KR1019840001091A priority patent/KR910000268B1/ko
Publication of JPS60142498A publication Critical patent/JPS60142498A/ja
Publication of JPH0447876B2 publication Critical patent/JPH0447876B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Communication System (AREA)
JP58249491A 1983-12-28 1983-12-28 光線式警戒装置 Granted JPS60142498A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58249491A JPS60142498A (ja) 1983-12-28 1983-12-28 光線式警戒装置
KR1019840001091A KR910000268B1 (ko) 1983-12-28 1984-03-03 광선식 경계장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58249491A JPS60142498A (ja) 1983-12-28 1983-12-28 光線式警戒装置

Publications (2)

Publication Number Publication Date
JPS60142498A JPS60142498A (ja) 1985-07-27
JPH0447876B2 true JPH0447876B2 (enrdf_load_stackoverflow) 1992-08-05

Family

ID=17193759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58249491A Granted JPS60142498A (ja) 1983-12-28 1983-12-28 光線式警戒装置

Country Status (2)

Country Link
JP (1) JPS60142498A (enrdf_load_stackoverflow)
KR (1) KR910000268B1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09297184A (ja) * 1996-05-01 1997-11-18 Takenaka Eng Kk 赤外線式検知装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6139193A (ja) * 1984-07-31 1986-02-25 オーテック電子株式会社 光線式警戒装置
JPS6139192A (ja) * 1984-07-31 1986-02-25 オーテック電子株式会社 光線式警戒装置
KR100660993B1 (ko) 1999-12-10 2006-12-22 주식회사 에스원 창문 경비용 감시장치 및 제어방법
KR20040039660A (ko) * 2002-11-04 2004-05-12 (주)태성엠아이에스 적외선 감지기

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09297184A (ja) * 1996-05-01 1997-11-18 Takenaka Eng Kk 赤外線式検知装置

Also Published As

Publication number Publication date
KR910000268B1 (ko) 1991-01-23
KR850005117A (ko) 1985-08-21
JPS60142498A (ja) 1985-07-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term