GB1290978A - - Google Patents

Info

Publication number
GB1290978A
GB1290978A GB1290978DA GB1290978A GB 1290978 A GB1290978 A GB 1290978A GB 1290978D A GB1290978D A GB 1290978DA GB 1290978 A GB1290978 A GB 1290978A
Authority
GB
United Kingdom
Prior art keywords
pulse
stable
produces
output
gate
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1290978A publication Critical patent/GB1290978A/en
Expired legal-status Critical Current

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
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
GB1290978D 1970-09-02 1970-09-02 Expired GB1290978A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4203870 1970-09-02

Publications (1)

Publication Number Publication Date
GB1290978A true GB1290978A (enExample) 1972-09-27

Family

ID=10422545

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290978D Expired GB1290978A (enExample) 1970-09-02 1970-09-02

Country Status (1)

Country Link
GB (1) GB1290978A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217758A3 (en) * 1985-09-30 1987-12-09 Fiat Auto S.P.A. Method and apparatus for detecting production cracks in mechanical parts made by pressing
US5661243A (en) * 1995-04-28 1997-08-26 Eastman Kodak Company Sheet material detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217758A3 (en) * 1985-09-30 1987-12-09 Fiat Auto S.P.A. Method and apparatus for detecting production cracks in mechanical parts made by pressing
US5661243A (en) * 1995-04-28 1997-08-26 Eastman Kodak Company Sheet material detector

Similar Documents

Publication Publication Date Title
US4319247A (en) Target detecting apparatus equipped with testing device for simulating targets at different ranges
GB1237134A (en) Ranging device
GB1133519A (en) Material tester
GB1338436A (en) Ultrasonic flowmeters
GB1204737A (en) Material tester
GB1315294A (en) Systems utilising ultrasonic waves for carrying out flow measurements in fluids
GB1330719A (en) Acoustic flowmeters
GB1285175A (en) Improvements in or relating to apparatus for measuring the flow velocity of fluids
GB1092531A (en) Liquid presence detector
US3098992A (en) Position sensing and control means
GB1180978A (en) Fluid Velocity Measuring System.
GB1308570A (en) Acoustic methods and apparatus for determining the distance and direction from a predetermined point of a vessel moving in water
GB1284027A (en) Improvements in or relating to guiding devices
GB1167212A (en) Ultrasonic Flow Meter System
GB1290978A (enExample)
GB1451154A (en) Automatic gain control apparatus
GB1092532A (en) Multi-stage ultrasonic probe
GB1130958A (en) Material tester
GB998877A (en) Improvements in or relating to echo sounding systems
GB1217012A (en) Improvements in acoustics speedmeter logs
GB1398381A (en) Correlators
GB692001A (en) Improvements in or relating to ultrasonic inspecting devices
GB1503532A (en) Untrasonic examination
GB1024122A (en) Improvements in and relating to echo distance-measuring apparatus
GB1073194A (en) Fluid speed measuring system

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees