JPH0441313B2 - - Google Patents

Info

Publication number
JPH0441313B2
JPH0441313B2 JP21266082A JP21266082A JPH0441313B2 JP H0441313 B2 JPH0441313 B2 JP H0441313B2 JP 21266082 A JP21266082 A JP 21266082A JP 21266082 A JP21266082 A JP 21266082A JP H0441313 B2 JPH0441313 B2 JP H0441313B2
Authority
JP
Japan
Prior art keywords
amplifier
transducer
amplification degree
reflector
threshold value
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
Application number
JP21266082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59102173A (ja
Inventor
Hideyuki Takahashi
Nobuhiko Oomya
Takahiro Kawabata
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP21266082A priority Critical patent/JPS59102173A/ja
Publication of JPS59102173A publication Critical patent/JPS59102173A/ja
Publication of JPH0441313B2 publication Critical patent/JPH0441313B2/ja
Granted legal-status Critical Current

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
    • G01S7/52004—Means for monitoring or calibrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP21266082A 1982-12-06 1982-12-06 距離測定装置 Granted JPS59102173A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21266082A JPS59102173A (ja) 1982-12-06 1982-12-06 距離測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21266082A JPS59102173A (ja) 1982-12-06 1982-12-06 距離測定装置

Publications (2)

Publication Number Publication Date
JPS59102173A JPS59102173A (ja) 1984-06-13
JPH0441313B2 true JPH0441313B2 (es) 1992-07-07

Family

ID=16626290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21266082A Granted JPS59102173A (ja) 1982-12-06 1982-12-06 距離測定装置

Country Status (1)

Country Link
JP (1) JPS59102173A (es)

Also Published As

Publication number Publication date
JPS59102173A (ja) 1984-06-13

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