JPH0250433B2 - - Google Patents

Info

Publication number
JPH0250433B2
JPH0250433B2 JP60156254A JP15625485A JPH0250433B2 JP H0250433 B2 JPH0250433 B2 JP H0250433B2 JP 60156254 A JP60156254 A JP 60156254A JP 15625485 A JP15625485 A JP 15625485A JP H0250433 B2 JPH0250433 B2 JP H0250433B2
Authority
JP
Japan
Prior art keywords
signal
level
output
amplification
register
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 - Lifetime
Application number
JP60156254A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6217680A (ja
Inventor
Yoshihiro Naruse
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.)
Shinsangyo Kaihatsu KK
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Shinsangyo Kaihatsu KK
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 Aisin Seiki Co Ltd, Shinsangyo Kaihatsu KK filed Critical Aisin Seiki Co Ltd
Priority to JP60156254A priority Critical patent/JPS6217680A/ja
Priority to US06/885,638 priority patent/US4719604A/en
Publication of JPS6217680A publication Critical patent/JPS6217680A/ja
Publication of JPH0250433B2 publication Critical patent/JPH0250433B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP60156254A 1985-07-16 1985-07-16 反射型物体検出装置 Granted JPS6217680A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60156254A JPS6217680A (ja) 1985-07-16 1985-07-16 反射型物体検出装置
US06/885,638 US4719604A (en) 1985-07-16 1986-07-15 Reflective object detector with compensated receiver signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60156254A JPS6217680A (ja) 1985-07-16 1985-07-16 反射型物体検出装置

Publications (2)

Publication Number Publication Date
JPS6217680A JPS6217680A (ja) 1987-01-26
JPH0250433B2 true JPH0250433B2 (2) 1990-11-02

Family

ID=15623766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60156254A Granted JPS6217680A (ja) 1985-07-16 1985-07-16 反射型物体検出装置

Country Status (2)

Country Link
US (1) US4719604A (2)
JP (1) JPS6217680A (2)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0712052D0 (en) * 2007-06-21 2007-08-01 Oxford Instr Molecular Biotool Method for quantitive analysis of a material
US9240113B2 (en) * 2010-10-12 2016-01-19 Electronics And Telecommunications Research Institute Low-power security and intrusion monitoring system and method based on variation detection of sound transfer characteristic

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3955171A (en) * 1970-09-25 1976-05-04 The United States Of America As Represented By The Secretary Of The Navy Discriminating sonic detection system
US4193055A (en) * 1977-03-11 1980-03-11 Charly Barnum Automatic sensitivity level adjustment
JPS5699A (en) * 1979-06-14 1981-01-06 Mitsubishi Electric Corp Semiconductor memory unit
US4542489A (en) * 1982-05-18 1985-09-17 Aisin Seiki Kabushiki Kaisha Object detecting system of reflection type
US4608674A (en) * 1982-08-06 1986-08-26 American District Telegraph Company Constant range ultrasonic motion detector

Also Published As

Publication number Publication date
US4719604A (en) 1988-01-12
JPS6217680A (ja) 1987-01-26

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees