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
  • G01S15/50—Systems of measurement, based on relative movement of the target
  • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
  • G01S15/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
• • 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
  • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Acoustics & Sound (AREA)
• Radar, Positioning & Navigation (AREA)
• Remote Sensing (AREA)
• Multimedia (AREA)
• Computer Networks & Wireless Communication (AREA)
• General Physics & Mathematics (AREA)
• Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
• Ultra Sonic Daignosis Equipment (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5764147

Family Applications (1)

Country Status (7)

• 1970
  • 1970-03-05 DE DE19702010348 patent/DE2010348C3/en not_active Expired
• 1971
  • 1971-02-19 NL NL7102279A patent/NL7102279A/xx not_active Application Discontinuation
  • 1971-02-22 NO NO62271A patent/NO131625C/no unknown
  • 1971-03-04 JP JP1157571A patent/JPS538235B1/ja active Pending
  • 1971-03-04 FR FR7107465A patent/FR2081719B2/fr not_active Expired
  • 1971-03-05 CA CA106978A patent/CA926502A/en not_active Expired
  • 1971-04-19 GB GB2316471A patent/GB1302632A/en not_active Expired

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