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Publication date
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Priority to JP9642776ApriorityCriticalpatent/JPS5321954A/ja
Publication of JPS5321954ApublicationCriticalpatent/JPS5321954A/ja
Publication of JPS569079B2publicationCriticalpatent/JPS569079B2/ja
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
G01S15/04—Systems determining presence of a target
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Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Radar, Positioning & Navigation
(AREA)
Remote Sensing
(AREA)
Acoustics & Sound
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Computer Networks & Wireless Communication
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General Physics & Mathematics
(AREA)
Transducers For Ultrasonic Waves
(AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves
(AREA)
JP9642776A1976-08-121976-08-12Ultrasonic wave transmitting and receiving apparatus
GrantedJPS5321954A
(en)