JPS5317752A - Ultrasonic transmitter and receiver installing system - Google Patents

Ultrasonic transmitter and receiver installing system

Info

Publication number
JPS5317752A
JPS5317752A JP9139076A JP9139076A JPS5317752A JP S5317752 A JPS5317752 A JP S5317752A JP 9139076 A JP9139076 A JP 9139076A JP 9139076 A JP9139076 A JP 9139076A JP S5317752 A JPS5317752 A JP S5317752A
Authority
JP
Japan
Prior art keywords
ultrasonic transmitter
installing system
receiver installing
receiver
ultrasonic
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
JP9139076A
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 JP9139076A priority Critical patent/JPS5317752A/en
Publication of JPS5317752A publication Critical patent/JPS5317752A/en
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To make possible the accurate detection of an object existing in a close distance by inserting an ultrasonic wave absorbing material between a transmitter and a receiver of ultrasonic waves in a system of detecting the presence or absence or the number of any object or human being by using ultrasonic system.
COPYRIGHT: (C)1978,JPO&Japio
JP9139076A 1976-08-02 1976-08-02 Ultrasonic transmitter and receiver installing system Pending JPS5317752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9139076A JPS5317752A (en) 1976-08-02 1976-08-02 Ultrasonic transmitter and receiver installing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9139076A JPS5317752A (en) 1976-08-02 1976-08-02 Ultrasonic transmitter and receiver installing system

Publications (1)

Publication Number Publication Date
JPS5317752A true JPS5317752A (en) 1978-02-18

Family

ID=14025038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9139076A Pending JPS5317752A (en) 1976-08-02 1976-08-02 Ultrasonic transmitter and receiver installing system

Country Status (1)

Country Link
JP (1) JPS5317752A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5962737U (en) * 1982-10-20 1984-04-25 株式会社クボタ reaping harvester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5962737U (en) * 1982-10-20 1984-04-25 株式会社クボタ reaping harvester

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