JPS52139478A - Etector for oscillating waves - Google Patents

Etector for oscillating waves

Info

Publication number
JPS52139478A
JPS52139478A JP5709076A JP5709076A JPS52139478A JP S52139478 A JPS52139478 A JP S52139478A JP 5709076 A JP5709076 A JP 5709076A JP 5709076 A JP5709076 A JP 5709076A JP S52139478 A JPS52139478 A JP S52139478A
Authority
JP
Japan
Prior art keywords
etector
oscillating waves
detecting
oscillating
waves
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
JP5709076A
Other languages
Japanese (ja)
Other versions
JPS5728097B2 (en
Inventor
Toru Kahara
Kensaburo Tanemura
Toshio Abiko
Kazuhiro Matsuoka
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 JP5709076A priority Critical patent/JPS52139478A/en
Publication of JPS52139478A publication Critical patent/JPS52139478A/en
Publication of JPS5728097B2 publication Critical patent/JPS5728097B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

PURPOSE:To improve the detecting accuracy of breaking oscillations by detecting the signal pulses through amplification of one or two stage in accordance with the amplitude of the level of the oscillating waves.
JP5709076A 1976-05-17 1976-05-17 Etector for oscillating waves Granted JPS52139478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5709076A JPS52139478A (en) 1976-05-17 1976-05-17 Etector for oscillating waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5709076A JPS52139478A (en) 1976-05-17 1976-05-17 Etector for oscillating waves

Publications (2)

Publication Number Publication Date
JPS52139478A true JPS52139478A (en) 1977-11-21
JPS5728097B2 JPS5728097B2 (en) 1982-06-15

Family

ID=13045791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5709076A Granted JPS52139478A (en) 1976-05-17 1976-05-17 Etector for oscillating waves

Country Status (1)

Country Link
JP (1) JPS52139478A (en)

Also Published As

Publication number Publication date
JPS5728097B2 (en) 1982-06-15

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Legal Events

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