JPS5468199A - Ultra-sonic invasion detector - Google Patents

Ultra-sonic invasion detector

Info

Publication number
JPS5468199A
JPS5468199A JP13533777A JP13533777A JPS5468199A JP S5468199 A JPS5468199 A JP S5468199A JP 13533777 A JP13533777 A JP 13533777A JP 13533777 A JP13533777 A JP 13533777A JP S5468199 A JPS5468199 A JP S5468199A
Authority
JP
Japan
Prior art keywords
circuits
circuit
output
phase difference
detector
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.)
Granted
Application number
JP13533777A
Other languages
English (en)
Other versions
JPS6040079B2 (ja
Inventor
Mikio Kondo
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 JP13533777A priority Critical patent/JPS6040079B2/ja
Publication of JPS5468199A publication Critical patent/JPS5468199A/ja
Publication of JPS6040079B2 publication Critical patent/JPS6040079B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP13533777A 1977-11-10 1977-11-10 超音波式侵入検知器 Expired JPS6040079B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13533777A JPS6040079B2 (ja) 1977-11-10 1977-11-10 超音波式侵入検知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13533777A JPS6040079B2 (ja) 1977-11-10 1977-11-10 超音波式侵入検知器

Publications (2)

Publication Number Publication Date
JPS5468199A true JPS5468199A (en) 1979-06-01
JPS6040079B2 JPS6040079B2 (ja) 1985-09-09

Family

ID=15149400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13533777A Expired JPS6040079B2 (ja) 1977-11-10 1977-11-10 超音波式侵入検知器

Country Status (1)

Country Link
JP (1) JPS6040079B2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030764A1 (de) * 1979-12-15 1981-06-24 Philips Patentverwaltung GmbH Dopplerradar-Messverfahren und Vorrichtung zur Durchführung dieses Verfahrens
JPS60205385A (ja) * 1984-03-30 1985-10-16 Yokogawa Medical Syst Ltd 超音波エコー信号の受信処理装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030764A1 (de) * 1979-12-15 1981-06-24 Philips Patentverwaltung GmbH Dopplerradar-Messverfahren und Vorrichtung zur Durchführung dieses Verfahrens
JPS60205385A (ja) * 1984-03-30 1985-10-16 Yokogawa Medical Syst Ltd 超音波エコー信号の受信処理装置
JPH0315997B2 (ja) * 1984-03-30 1991-03-04 Yokokawa Medeikaru Shisutemu Kk

Also Published As

Publication number Publication date
JPS6040079B2 (ja) 1985-09-09

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