JPH0486380U - - Google Patents

Info

Publication number
JPH0486380U
JPH0486380U JP12928090U JP12928090U JPH0486380U JP H0486380 U JPH0486380 U JP H0486380U JP 12928090 U JP12928090 U JP 12928090U JP 12928090 U JP12928090 U JP 12928090U JP H0486380 U JPH0486380 U JP H0486380U
Authority
JP
Japan
Prior art keywords
video camera
light receiving
light source
intercom device
door intercom
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
JP12928090U
Other languages
English (en)
Japanese (ja)
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 JP12928090U priority Critical patent/JPH0486380U/ja
Publication of JPH0486380U publication Critical patent/JPH0486380U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)
JP12928090U 1990-11-30 1990-11-30 Pending JPH0486380U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12928090U JPH0486380U (cs) 1990-11-30 1990-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12928090U JPH0486380U (cs) 1990-11-30 1990-11-30

Publications (1)

Publication Number Publication Date
JPH0486380U true JPH0486380U (cs) 1992-07-27

Family

ID=31876689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12928090U Pending JPH0486380U (cs) 1990-11-30 1990-11-30

Country Status (1)

Country Link
JP (1) JPH0486380U (cs)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033056U (cs) * 1973-07-18 1975-04-10
JPS5642479A (en) * 1979-09-13 1981-04-20 Hochiki Corp Television interphone device
JPS5693493A (en) * 1979-12-27 1981-07-29 Hitachi Denshi Syst Service Kk Cctv monitor device
JPS63142990A (ja) * 1986-12-05 1988-06-15 Sony Corp 監視装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033056U (cs) * 1973-07-18 1975-04-10
JPS5642479A (en) * 1979-09-13 1981-04-20 Hochiki Corp Television interphone device
JPS5693493A (en) * 1979-12-27 1981-07-29 Hitachi Denshi Syst Service Kk Cctv monitor device
JPS63142990A (ja) * 1986-12-05 1988-06-15 Sony Corp 監視装置

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