ZA767534B - Improvements in or relating to distance measuring apparatus - Google Patents

Improvements in or relating to distance measuring apparatus

Info

Publication number
ZA767534B
ZA767534B ZA767534A ZA767534A ZA767534B ZA 767534 B ZA767534 B ZA 767534B ZA 767534 A ZA767534 A ZA 767534A ZA 767534 A ZA767534 A ZA 767534A ZA 767534 B ZA767534 B ZA 767534B
Authority
ZA
South Africa
Prior art keywords
relating
measuring apparatus
distance measuring
distance
measuring
Prior art date
Application number
ZA767534A
Other languages
English (en)
Inventor
D Horrocks
B Smart
T Evans
Original Assignee
Univ Cardiff
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 Univ Cardiff filed Critical Univ Cardiff
Publication of ZA767534B publication Critical patent/ZA767534B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
ZA767534A 1975-12-20 1976-12-20 Improvements in or relating to distance measuring apparatus ZA767534B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB52259/75A GB1525720A (en) 1975-12-20 1975-12-20 Distance measuring apparatus

Publications (1)

Publication Number Publication Date
ZA767534B true ZA767534B (en) 1977-11-30

Family

ID=10463225

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA767534A ZA767534B (en) 1975-12-20 1976-12-20 Improvements in or relating to distance measuring apparatus

Country Status (5)

Country Link
AU (1) AU504634B2 (ref)
DE (1) DE2649049A1 (ref)
FR (1) FR2335827A1 (ref)
GB (1) GB1525720A (ref)
ZA (1) ZA767534B (ref)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE34838T1 (de) * 1980-03-20 1988-06-15 Acumet Precision Instr Ltd Verfahren und apparat zum bestimmen physikalischer groessen, insbesondere auf die laenge bezogener groessen.
DE3031980A1 (de) * 1980-08-25 1982-04-01 Johannes 8000 München König Verfahren und einrichtung zur bestimmung eines relativabstands bei einer zylinder-kolben-einheit
DE3116333C2 (de) * 1981-04-24 1984-01-12 H. Kuhnke Gmbh Kg, 2427 Malente Meßsystem zum berührungslosen Erfassen von Positionen der Kolbenstange einer Kolben-Zylinder-Einheit
US4452074A (en) * 1981-09-04 1984-06-05 Shelomentsev Timofei I Method of and apparatus for monitoring the performance of internal combustion engine mechanisms
US4543649A (en) * 1983-10-17 1985-09-24 Teknar, Inc. System for ultrasonically detecting the relative position of a moveable device
IT1209599B (it) * 1984-11-15 1989-08-30 Siette Spa Sistema di rilevamento di livello per veicoli.
GB2172995A (en) * 1985-03-30 1986-10-01 Emhart Ind Monitoring the position of a member
GB8612479D0 (en) * 1986-05-22 1986-07-02 Bell Fruit Mfg Co Ltd Coin handling equipment
US5154080A (en) * 1986-10-29 1992-10-13 Westinghouse Electric Corp. Integrated check valve testing system
WO1988003241A1 (en) * 1986-10-29 1988-05-05 Movats Incorporated Check valve testing system
US4977778A (en) * 1986-10-29 1990-12-18 Movats Incorporated Check valve testing system
US5159835A (en) * 1986-10-29 1992-11-03 Westinghouse Electric Corp. Check valve testing system
DE3886792T2 (de) * 1987-03-18 1994-06-16 Combustion Eng Ultraschall-Untersuchung eines Ventils.
DE3820883A1 (de) * 1988-06-21 1989-12-28 Hoelter Heinz Apparat und vorrichtung zur bestimmung des kolbenhubs in hydraulikzylindern mit hilfe von ultraschall
US4938054A (en) * 1989-05-03 1990-07-03 Gilbarco Inc. Ultrasonic linear meter sensor for positive displacement meter
US5104144A (en) * 1990-09-25 1992-04-14 Monroe Auto Equipment Company Shock absorber with sonar position sensor
US5213472A (en) * 1992-03-23 1993-05-25 Bird-Johnson Company Inboard servo for marine controllable pitch propellers
DE4227657A1 (de) * 1992-08-21 1994-02-24 Hydac Technology Gmbh Ultraschall-Prüfeinrichtung für Gasdruckspeicher
DE4415420A1 (de) * 1994-05-02 1995-11-09 Horn Wolfgang Schall-Entfernungsmesser
TW445235B (en) 1998-08-07 2001-07-11 Toyoda Automatic Loom Works Position detector for fluid cylinder
FR3044369B1 (fr) * 2015-12-01 2018-04-27 Valeo Embrayages Ensemble capteur pour dispositif de commande hydraulique
CN105781546B (zh) * 2016-04-19 2018-01-23 太原理工大学 一种无线无源煤岩界面识别装置
DE102017129445A1 (de) * 2017-11-10 2019-05-16 Grob-Werke Gmbh & Co. Kg Verfahren und Vorrichtung zur Bestimmung der Position eines Kolbens eines Hydraulikzylinders einer Werkzeugmaschine

Also Published As

Publication number Publication date
AU1895476A (en) 1978-05-04
FR2335827A1 (fr) 1977-07-15
GB1525720A (en) 1978-09-20
FR2335827B3 (ref) 1979-07-13
DE2649049A1 (de) 1977-06-23
AU504634B2 (en) 1979-10-18

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