JPS6251434B2 - - Google Patents
Info
- Publication number
- JPS6251434B2 JPS6251434B2 JP55018556A JP1855680A JPS6251434B2 JP S6251434 B2 JPS6251434 B2 JP S6251434B2 JP 55018556 A JP55018556 A JP 55018556A JP 1855680 A JP1855680 A JP 1855680A JP S6251434 B2 JPS6251434 B2 JP S6251434B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- transmitter
- parametric
- wave
- signal
- 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
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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
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)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1855680A JPS56115970A (en) | 1980-02-19 | 1980-02-19 | Parametric active sonar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1855680A JPS56115970A (en) | 1980-02-19 | 1980-02-19 | Parametric active sonar |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56115970A JPS56115970A (en) | 1981-09-11 |
JPS6251434B2 true JPS6251434B2 (enrdf_load_stackoverflow) | 1987-10-29 |
Family
ID=11974892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1855680A Granted JPS56115970A (en) | 1980-02-19 | 1980-02-19 | Parametric active sonar |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56115970A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100781467B1 (ko) * | 2006-07-13 | 2007-12-03 | 학교법인 포항공과대학교 | 공기중 파라메트릭 트랜스미팅 어레이를 이용한 초지향성초음파 거리측정을 위한 멤스 기반의 다공진 초음파트랜스듀서 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4075599A (en) * | 1976-11-30 | 1978-02-21 | The International Nickel Company, Inc. | Undersea geophysical exploration |
-
1980
- 1980-02-19 JP JP1855680A patent/JPS56115970A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56115970A (en) | 1981-09-11 |
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