ZA907212B - Ultrasonic measuring apparatus - Google Patents

Ultrasonic measuring apparatus

Info

Publication number
ZA907212B
ZA907212B ZA907212A ZA907212A ZA907212B ZA 907212 B ZA907212 B ZA 907212B ZA 907212 A ZA907212 A ZA 907212A ZA 907212 A ZA907212 A ZA 907212A ZA 907212 B ZA907212 B ZA 907212B
Authority
ZA
South Africa
Prior art keywords
measuring apparatus
ultrasonic measuring
ultrasonic
measuring
Prior art date
Application number
ZA907212A
Inventor
Geoff S B Czajkowski
S B Czajkowski Geoff
Original Assignee
Suparules 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 Suparules Ltd filed Critical Suparules Ltd
Publication of ZA907212B publication Critical patent/ZA907212B/en

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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/74—Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
ZA907212A 1989-09-11 1990-09-11 Ultrasonic measuring apparatus ZA907212B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE290489A IE61810B1 (en) 1989-09-11 1989-09-11 Ultrasonic master-slave rangefinder

Publications (1)

Publication Number Publication Date
ZA907212B true ZA907212B (en) 1991-07-31

Family

ID=11036985

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA907212A ZA907212B (en) 1989-09-11 1990-09-11 Ultrasonic measuring apparatus

Country Status (4)

Country Link
DE (1) DE4028822A1 (en)
GB (1) GB2235980B (en)
IE (1) IE61810B1 (en)
ZA (1) ZA907212B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209113B1 (en) * 1972-10-09 1977-04-01 Matra Engins
US4026654A (en) * 1972-10-09 1977-05-31 Engins Matra System for detecting the presence of a possibly moving object
US4214314A (en) * 1978-03-13 1980-07-22 Regents Of The University Of California Precision transponder and method of communicating therewith
AU1612383A (en) * 1982-06-29 1984-01-05 Decca Ltd. Measuring distance
FI75678C (en) * 1986-01-28 1988-07-11 Mikrovalmiste Oy FOERFARANDE OCH ANORDNING FOER MAETNING AV AVSTAOND MEDELST ULTRALJUD.

Also Published As

Publication number Publication date
IE61810B1 (en) 1994-11-30
DE4028822A1 (en) 1991-03-14
IE892904A1 (en) 1991-05-22
GB2235980B (en) 1993-06-30
GB9019795D0 (en) 1990-10-24
GB2235980A (en) 1991-03-20

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