JPH0142229Y2 - - Google Patents

Info

Publication number
JPH0142229Y2
JPH0142229Y2 JP1988028901U JP2890188U JPH0142229Y2 JP H0142229 Y2 JPH0142229 Y2 JP H0142229Y2 JP 1988028901 U JP1988028901 U JP 1988028901U JP 2890188 U JP2890188 U JP 2890188U JP H0142229 Y2 JPH0142229 Y2 JP H0142229Y2
Authority
JP
Japan
Prior art keywords
light
shielding case
small
receiver
bifocal lens
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
Application number
JP1988028901U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63143996U (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 JP1988028901U priority Critical patent/JPH0142229Y2/ja
Publication of JPS63143996U publication Critical patent/JPS63143996U/ja
Application granted granted Critical
Publication of JPH0142229Y2 publication Critical patent/JPH0142229Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1988028901U 1988-03-03 1988-03-03 Expired JPH0142229Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988028901U JPH0142229Y2 (en]) 1988-03-03 1988-03-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988028901U JPH0142229Y2 (en]) 1988-03-03 1988-03-03

Publications (2)

Publication Number Publication Date
JPS63143996U JPS63143996U (en]) 1988-09-21
JPH0142229Y2 true JPH0142229Y2 (en]) 1989-12-11

Family

ID=30832295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988028901U Expired JPH0142229Y2 (en]) 1988-03-03 1988-03-03

Country Status (1)

Country Link
JP (1) JPH0142229Y2 (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4858080U (en]) * 1971-11-08 1973-07-24
JPS567882Y2 (en]) * 1976-07-27 1981-02-20

Also Published As

Publication number Publication date
JPS63143996U (en]) 1988-09-21

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