ATA670979A - ULTRASONIC ECHO SYSTEM - Google Patents

ULTRASONIC ECHO SYSTEM

Info

Publication number
ATA670979A
ATA670979A AT670979A AT670979A ATA670979A AT A670979 A ATA670979 A AT A670979A AT 670979 A AT670979 A AT 670979A AT 670979 A AT670979 A AT 670979A AT A670979 A ATA670979 A AT A670979A
Authority
AT
Austria
Prior art keywords
ultrasonic echo
echo system
ultrasonic
echo
Prior art date
Application number
AT670979A
Other languages
German (de)
Other versions
AT374285B (en
Original Assignee
Strahlen Umweltforsch Gmbh
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 Strahlen Umweltforsch Gmbh filed Critical Strahlen Umweltforsch Gmbh
Publication of ATA670979A publication Critical patent/ATA670979A/en
Application granted granted Critical
Publication of AT374285B publication Critical patent/AT374285B/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
    • 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
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AT670979A 1979-05-12 1979-10-15 ULTRASONIC ECHO SYSTEM AT374285B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792919181 DE2919181A1 (en) 1979-05-12 1979-05-12 ULTRASONIC ECHO SYSTEM

Publications (2)

Publication Number Publication Date
ATA670979A true ATA670979A (en) 1983-08-15
AT374285B AT374285B (en) 1984-04-10

Family

ID=6070560

Family Applications (1)

Application Number Title Priority Date Filing Date
AT670979A AT374285B (en) 1979-05-12 1979-10-15 ULTRASONIC ECHO SYSTEM

Country Status (3)

Country Link
AT (1) AT374285B (en)
CH (1) CH649157A5 (en)
DE (1) DE2919181A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305809C1 (en) * 1993-02-25 1994-03-17 Kuenz Hans Helmut Cylinder-lock key for master-key system - has curved portion leading to guide groove bottom and four or more straight guide faces extending in different directions
JPH07508677A (en) * 1993-04-30 1995-09-28 イェノプティック　ゲーエムベーハー Fingerprint identification device using ultrasound

Also Published As

Publication number Publication date
DE2919181A1 (en) 1980-11-20
AT374285B (en) 1984-04-10
CH649157A5 (en) 1985-04-30

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Legal Events

Date Code Title Description
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