JPS644188A - Doorphone slave set with camera - Google Patents

Doorphone slave set with camera

Info

Publication number
JPS644188A
JPS644188A JP15942087A JP15942087A JPS644188A JP S644188 A JPS644188 A JP S644188A JP 15942087 A JP15942087 A JP 15942087A JP 15942087 A JP15942087 A JP 15942087A JP S644188 A JPS644188 A JP S644188A
Authority
JP
Japan
Prior art keywords
camera
pyroelectric
hot
wire sensors
sensing
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
JP15942087A
Other languages
Japanese (ja)
Inventor
Akira Oya
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP15942087A priority Critical patent/JPS644188A/en
Publication of JPS644188A publication Critical patent/JPS644188A/en
Pending legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)

Abstract

PURPOSE:To project a figure of a visitor on an optical position in a screen without increasing the number of wires by controlling a camera to an optimum position in response to a sensing pattern of two pyroelectric hot-wire sensors. CONSTITUTION:Two pyroelectric hot-wire sensors 3(A), 3(B) are provided on a camera block. The sensing area of the pyroelectric hot-wire sensors 3(A), 3(B) is formed to be a horizontal strip shape at two positions including the lower part of the camera visual field. The camera block 2 is shaken and moved from the upper limit to the lower limit position to control the position of the camera block 2 up to the preset position in response to the sensing pattern sensing a human body by the two pyroelectric hot-wire sensors 3(A), 3(B).
JP15942087A 1987-06-25 1987-06-25 Doorphone slave set with camera Pending JPS644188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15942087A JPS644188A (en) 1987-06-25 1987-06-25 Doorphone slave set with camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15942087A JPS644188A (en) 1987-06-25 1987-06-25 Doorphone slave set with camera

Publications (1)

Publication Number Publication Date
JPS644188A true JPS644188A (en) 1989-01-09

Family

ID=15693354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15942087A Pending JPS644188A (en) 1987-06-25 1987-06-25 Doorphone slave set with camera

Country Status (1)

Country Link
JP (1) JPS644188A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02193252A (en) * 1989-12-15 1990-07-30 Hitachi Ltd Document editing device
CN104851217A (en) * 2015-05-26 2015-08-19 苏州福利恒电子科技有限公司 Solar voice welcome alarm circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02193252A (en) * 1989-12-15 1990-07-30 Hitachi Ltd Document editing device
CN104851217A (en) * 2015-05-26 2015-08-19 苏州福利恒电子科技有限公司 Solar voice welcome alarm circuit

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