ATA670979A - ULTRASONIC ECHO SYSTEM - Google Patents
ULTRASONIC ECHO SYSTEMInfo
- 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
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)
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)
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 |
-
1979
- 1979-05-12 DE DE19792919181 patent/DE2919181A1/en not_active Withdrawn
- 1979-10-15 AT AT670979A patent/AT374285B/en not_active IP Right Cessation
- 1979-10-31 CH CH973979A patent/CH649157A5/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT374285B (en) | 1984-04-10 |
DE2919181A1 (en) | 1980-11-20 |
CH649157A5 (en) | 1985-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |