JPS6446890U - - Google Patents

Info

Publication number
JPS6446890U
JPS6446890U JP11138588U JP11138588U JPS6446890U JP S6446890 U JPS6446890 U JP S6446890U JP 11138588 U JP11138588 U JP 11138588U JP 11138588 U JP11138588 U JP 11138588U JP S6446890 U JPS6446890 U JP S6446890U
Authority
JP
Japan
Prior art keywords
parabolic mirror
detection element
detection device
optical system
mirror
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
JP11138588U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0418075Y2 (en]
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 filed Critical
Priority to JP1988111385U priority Critical patent/JPH0418075Y2/ja
Publication of JPS6446890U publication Critical patent/JPS6446890U/ja
Application granted granted Critical
Publication of JPH0418075Y2 publication Critical patent/JPH0418075Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
JP1988111385U 1988-08-25 1988-08-25 Expired JPH0418075Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988111385U JPH0418075Y2 (en]) 1988-08-25 1988-08-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988111385U JPH0418075Y2 (en]) 1988-08-25 1988-08-25

Publications (2)

Publication Number Publication Date
JPS6446890U true JPS6446890U (en]) 1989-03-23
JPH0418075Y2 JPH0418075Y2 (en]) 1992-04-22

Family

ID=31349385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988111385U Expired JPH0418075Y2 (en]) 1988-08-25 1988-08-25

Country Status (1)

Country Link
JP (1) JPH0418075Y2 (en])

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54179185U (en]) * 1978-06-07 1979-12-18
JPS55143694A (en) * 1979-04-23 1980-11-10 American District Telegraph Co Invador detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54179185U (en]) * 1978-06-07 1979-12-18
JPS55143694A (en) * 1979-04-23 1980-11-10 American District Telegraph Co Invador detector

Also Published As

Publication number Publication date
JPH0418075Y2 (en]) 1992-04-22

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