JPS566039B2 - - Google Patents

Info

Publication number
JPS566039B2
JPS566039B2 JP12514072A JP12514072A JPS566039B2 JP S566039 B2 JPS566039 B2 JP S566039B2 JP 12514072 A JP12514072 A JP 12514072A JP 12514072 A JP12514072 A JP 12514072A JP S566039 B2 JPS566039 B2 JP S566039B2
Authority
JP
Japan
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
JP12514072A
Other versions
JPS4866795A (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
Publication of JPS4866795A publication Critical patent/JPS4866795A/ja
Publication of JPS566039B2 publication Critical patent/JPS566039B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Fixing For Electrophotography (AREA)
JP12514072A 1971-12-13 1972-12-13 Expired JPS566039B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20746671A 1971-12-13 1971-12-13

Publications (2)

Publication Number Publication Date
JPS4866795A JPS4866795A (ja) 1973-09-12
JPS566039B2 true JPS566039B2 (ja) 1981-02-09

Family

ID=22770666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12514072A Expired JPS566039B2 (ja) 1971-12-13 1972-12-13

Country Status (7)

Country Link
US (1) US3754222A (ja)
JP (1) JPS566039B2 (ja)
CA (1) CA964759A (ja)
DE (1) DE2260618C3 (ja)
FR (1) FR2163463B1 (ja)
GB (1) GB1414505A (ja)
IT (1) IT973963B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61941A (ja) * 1984-06-13 1986-01-06 Matsushita Electric Ind Co Ltd 半導体レ−ザ光ピツクアツプ装置

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50140390U (ja) * 1974-05-02 1975-11-19
US3944934A (en) * 1974-11-21 1976-03-16 Milwaukee Resistor Corporation False triggering prevention circuit
US4097853A (en) * 1976-09-20 1978-06-27 Milwaukee Resistor Corporation Means for distinguishing motion from noise in an intrusion alarm system
US4129856A (en) * 1976-11-15 1978-12-12 Contronic Controls Limited Filter system and method for intrusion alarm
US4107684A (en) * 1977-05-02 1978-08-15 E-Systems, Inc. Phase locked detector
GB2302406B (en) * 1995-06-19 1999-08-25 Bright Star Entpr Ltd Apparatus for detecting the breaching of a closed environment
US6040765A (en) * 1998-01-23 2000-03-21 Armatron International, Inc. Obstacle detection system built-in test method and apparatus
US7245315B2 (en) * 2002-05-20 2007-07-17 Simmonds Precision Products, Inc. Distinguishing between fire and non-fire conditions using cameras
US7256818B2 (en) * 2002-05-20 2007-08-14 Simmonds Precision Products, Inc. Detecting fire using cameras
AU2003251302A1 (en) * 2002-05-20 2003-12-22 Simmonds Precision Products, Inc. Video detection verification system
US7280696B2 (en) * 2002-05-20 2007-10-09 Simmonds Precision Products, Inc. Video detection/verification system
US7535351B2 (en) 2006-07-24 2009-05-19 Welles Reymond Acoustic intrusion detection system
US9997035B1 (en) 2017-03-01 2018-06-12 Samuel L. Thomasson Acoustic security system and method
CN113450537B (zh) * 2021-06-25 2023-05-30 北京小米移动软件有限公司 跌倒检测方法、装置、电子设备和存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25100A (en) * 1859-08-16 de fokest
US2066156A (en) * 1929-04-25 1936-12-29 Muffly Glenn Signaling means
US2541066A (en) * 1943-11-24 1951-02-13 Sperry Corp Object detecting and warning system and method
US2791756A (en) * 1946-06-11 1957-05-07 Leon G S Wood Target doppler indicator
USRE25100E (en) * 1954-04-13 1961-12-19 chapin
US3394342A (en) * 1965-09-13 1968-07-23 Walker Philip Hulme Ultrasonic object detection systems
DE1791060C3 (de) * 1968-09-05 1975-08-14 Alois Zettler Elektrotechnische Fabrik Gmbh, 8000 Muenchen Elektroakustische Anlage
US3582870A (en) * 1969-03-10 1971-06-01 Normda Ind Inc Ultrasonic detection system
US3585577A (en) * 1969-06-12 1971-06-15 Southwest Res Inst Ultrasonic transceiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61941A (ja) * 1984-06-13 1986-01-06 Matsushita Electric Ind Co Ltd 半導体レ−ザ光ピツクアツプ装置

Also Published As

Publication number Publication date
US3754222A (en) 1973-08-21
CA964759A (en) 1975-03-18
FR2163463A1 (ja) 1973-07-27
FR2163463B1 (ja) 1977-08-26
JPS4866795A (ja) 1973-09-12
GB1414505A (en) 1975-11-19
DE2260618C3 (de) 1981-09-24
DE2260618B2 (de) 1980-12-11
IT973963B (it) 1974-06-10
DE2260618A1 (de) 1973-06-20

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