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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanadevia Corp
Original Assignee
Hitachi Shipbuilding and Engineering Co Ltd
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 Hitachi Shipbuilding and Engineering Co LtdfiledCriticalHitachi Shipbuilding and Engineering Co Ltd
Priority to JP8070080ApriorityCriticalpatent/JPS576378A/ja
Publication of JPS576378ApublicationCriticalpatent/JPS576378A/ja
Publication of JPS6218018B2publicationCriticalpatent/JPS6218018B2/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
G01S15/87—Combinations of sonar systems
Landscapes
Engineering & Computer Science
(AREA)
Radar, Positioning & Navigation
(AREA)
Remote Sensing
(AREA)
Computer Networks & Wireless Communication
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Length Measuring Devices Characterised By Use Of Acoustic Means
(AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves
(AREA)
JP8070080A1980-06-141980-06-14Relative position detector
GrantedJPS576378A
(en)