JPS52107881A - Ultrasonic wave signal transmission - Google Patents

Ultrasonic wave signal transmission

Info

Publication number
JPS52107881A
JPS52107881A JP2327276A JP2327276A JPS52107881A JP S52107881 A JPS52107881 A JP S52107881A JP 2327276 A JP2327276 A JP 2327276A JP 2327276 A JP2327276 A JP 2327276A JP S52107881 A JPS52107881 A JP S52107881A
Authority
JP
Japan
Prior art keywords
ultrasonic wave
signal transmission
wave signal
simplifying
circuitry
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
JP2327276A
Other languages
Japanese (ja)
Inventor
Hiroshi Kinoshita
Tatsuo Iwasaka
Hisao Hanmura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2327276A priority Critical patent/JPS52107881A/en
Publication of JPS52107881A publication Critical patent/JPS52107881A/en
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: The ultrasonic wave emitting element is directly driven by a driving signal, thereby simplifying the circuitry of the system and facilitating maintenance.
COPYRIGHT: (C)1977,JPO&Japio
JP2327276A 1976-03-05 1976-03-05 Ultrasonic wave signal transmission Pending JPS52107881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2327276A JPS52107881A (en) 1976-03-05 1976-03-05 Ultrasonic wave signal transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2327276A JPS52107881A (en) 1976-03-05 1976-03-05 Ultrasonic wave signal transmission

Publications (1)

Publication Number Publication Date
JPS52107881A true JPS52107881A (en) 1977-09-09

Family

ID=12105957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2327276A Pending JPS52107881A (en) 1976-03-05 1976-03-05 Ultrasonic wave signal transmission

Country Status (1)

Country Link
JP (1) JPS52107881A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115965U (en) * 1978-02-02 1979-08-14

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4945087U (en) * 1972-07-27 1974-04-20
JPS505081A (en) * 1973-05-09 1975-01-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4945087U (en) * 1972-07-27 1974-04-20
JPS505081A (en) * 1973-05-09 1975-01-20

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115965U (en) * 1978-02-02 1979-08-14
JPS6027975Y2 (en) * 1978-02-02 1985-08-23 株式会社小松製作所 Ultrasonic position detection device

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