JPS5379400A - Buried type beam system alarm - Google Patents

Buried type beam system alarm

Info

Publication number
JPS5379400A
JPS5379400A JP15583076A JP15583076A JPS5379400A JP S5379400 A JPS5379400 A JP S5379400A JP 15583076 A JP15583076 A JP 15583076A JP 15583076 A JP15583076 A JP 15583076A JP S5379400 A JPS5379400 A JP S5379400A
Authority
JP
Japan
Prior art keywords
beam system
type beam
buried type
system alarm
interposing
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
JP15583076A
Other languages
Japanese (ja)
Inventor
Takashi Yamamoto
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 JP15583076A priority Critical patent/JPS5379400A/en
Publication of JPS5379400A publication Critical patent/JPS5379400A/en
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

PURPOSE: To decrease the depth of a housing and the spreading at its front part by interposing a reflecting mirror at the intermediate of a condensing lens and a signal processing circuit block and providing a refractive point at a focal length.
COPYRIGHT: (C)1978,JPO&Japio
JP15583076A 1976-12-23 1976-12-23 Buried type beam system alarm Pending JPS5379400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15583076A JPS5379400A (en) 1976-12-23 1976-12-23 Buried type beam system alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15583076A JPS5379400A (en) 1976-12-23 1976-12-23 Buried type beam system alarm

Publications (1)

Publication Number Publication Date
JPS5379400A true JPS5379400A (en) 1978-07-13

Family

ID=15614415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15583076A Pending JPS5379400A (en) 1976-12-23 1976-12-23 Buried type beam system alarm

Country Status (1)

Country Link
JP (1) JPS5379400A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01217819A (en) * 1988-02-24 1989-08-31 Matsushita Electric Works Ltd Human body detecting switch
US5780854A (en) * 1996-01-05 1998-07-14 Lin; Edward Structure for an infrared photoelectric device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01217819A (en) * 1988-02-24 1989-08-31 Matsushita Electric Works Ltd Human body detecting switch
US5780854A (en) * 1996-01-05 1998-07-14 Lin; Edward Structure for an infrared photoelectric device

Similar Documents

Publication Publication Date Title
JPS53110823A (en) Optical information processor
JPS5426721A (en) Trimming information recording camera
JPS5295221A (en) Detector for focusing
JPS53126286A (en) Semiconductor laser package
JPS52147430A (en) Focus detection device
JPS5243422A (en) Finder for camera of large size picture
JPS5231736A (en) Ttl light measure device for single lens reflex camera
JPS5387217A (en) Focusing device
JPS52138924A (en) Focal detector
JPS52135726A (en) Lens mount
JPS5244629A (en) Photographic device
JPS5440662A (en) Range finder
JPS5417620A (en) Solid pickup element
JPS5348704A (en) Optical signal regenerator
JPS5296000A (en) Reflector for infrared-ray irruption alarm
JPS5235630A (en) Enlarging optical system for finder
JPS52127327A (en) Foucsing lens system
JPS53118145A (en) Detecting method of light beam position
JPS5362552A (en) Beam type detector
JPS52127328A (en) Focusing lens system
JPS5425725A (en) Construction of camera body for single lens reflex camera
JPS5315748A (en) Beam index color picture tube unit
JPS5422826A (en) Automatic focus locating system
JPS53141031A (en) Camera having focusing-state detecting element
JPS5772110A (en) Focus position detector