JPS5689072A - Ultrasonic distance measuring apparatus - Google Patents

Ultrasonic distance measuring apparatus

Info

Publication number
JPS5689072A
JPS5689072A JP16704579A JP16704579A JPS5689072A JP S5689072 A JPS5689072 A JP S5689072A JP 16704579 A JP16704579 A JP 16704579A JP 16704579 A JP16704579 A JP 16704579A JP S5689072 A JPS5689072 A JP S5689072A
Authority
JP
Japan
Prior art keywords
pulse
transmitter
receiver
increase
signal
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
JP16704579A
Other languages
Japanese (ja)
Inventor
Yukihiko Ise
Ryoichi Takayama
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP16704579A priority Critical patent/JPS5689072A/en
Publication of JPS5689072A publication Critical patent/JPS5689072A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:To perform accurate measurement over wide distances by mounting a transmitter and a receiver to the same structure and removing the evil effect by the signal component directly leaking from the transmitter to the receiver, without vibratively isolating these. CONSTITUTION:The 1st pulse which determines the generation time of the pulses transmitted from a transmitter 11 and the 2nd pulse of the pulse width larger than that of this pulse are generated from a pulse signal generating circuit 9, and the transmission pulses are transmitted toward an object 16 via the transmitter 11. The 2nd pulse is applied to a selective amplifier circuit 13 to which the signal of a receiver 12 is inputted so that amplifying operation is carried out only during that time. This is also applied to a processing circuit 14, so that the increase in the rate of attenuation of the receiving signal level caused with an increase in delay time along with an increase in the measuring distance is compensated. Hence, the signal component directly leaking from the transmitter 11 to the receiver 12 is eliminated and the accurate measurement is performed.
JP16704579A 1979-12-21 1979-12-21 Ultrasonic distance measuring apparatus Pending JPS5689072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16704579A JPS5689072A (en) 1979-12-21 1979-12-21 Ultrasonic distance measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16704579A JPS5689072A (en) 1979-12-21 1979-12-21 Ultrasonic distance measuring apparatus

Publications (1)

Publication Number Publication Date
JPS5689072A true JPS5689072A (en) 1981-07-20

Family

ID=15842359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16704579A Pending JPS5689072A (en) 1979-12-21 1979-12-21 Ultrasonic distance measuring apparatus

Country Status (1)

Country Link
JP (1) JPS5689072A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074072U (en) * 1983-10-28 1985-05-24 株式会社明電舎 Ultrasonic distance measuring device
US4977778A (en) * 1986-10-29 1990-12-18 Movats Incorporated Check valve testing system
US5154080A (en) * 1986-10-29 1992-10-13 Westinghouse Electric Corp. Integrated check valve testing system
US5159835A (en) * 1986-10-29 1992-11-03 Westinghouse Electric Corp. Check valve testing system
JPH07109254B2 (en) * 1986-10-29 1995-11-22 モバッツ インコーポレイテッド Check valve test system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074072U (en) * 1983-10-28 1985-05-24 株式会社明電舎 Ultrasonic distance measuring device
US4977778A (en) * 1986-10-29 1990-12-18 Movats Incorporated Check valve testing system
US5154080A (en) * 1986-10-29 1992-10-13 Westinghouse Electric Corp. Integrated check valve testing system
US5159835A (en) * 1986-10-29 1992-11-03 Westinghouse Electric Corp. Check valve testing system
JPH07109254B2 (en) * 1986-10-29 1995-11-22 モバッツ インコーポレイテッド Check valve test system

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