JPH0221751B2 - - Google Patents

Info

Publication number
JPH0221751B2
JPH0221751B2 JP58067606A JP6760683A JPH0221751B2 JP H0221751 B2 JPH0221751 B2 JP H0221751B2 JP 58067606 A JP58067606 A JP 58067606A JP 6760683 A JP6760683 A JP 6760683A JP H0221751 B2 JPH0221751 B2 JP H0221751B2
Authority
JP
Japan
Prior art keywords
measured
circuit
antenna
beat signal
amplitude
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 - Lifetime
Application number
JP58067606A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59192985A (ja
Inventor
Masao Nishi
Atsuo Takeda
Koji Nakajima
Haruki Yahara
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.)
Yaskawa Electric Corp
Original Assignee
Yaskawa Electric Manufacturing 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 Yaskawa Electric Manufacturing Co Ltd filed Critical Yaskawa Electric Manufacturing Co Ltd
Priority to JP58067606A priority Critical patent/JPS59192985A/ja
Publication of JPS59192985A publication Critical patent/JPS59192985A/ja
Publication of JPH0221751B2 publication Critical patent/JPH0221751B2/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
JP58067606A 1983-04-15 1983-04-15 距離測定装置 Granted JPS59192985A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58067606A JPS59192985A (ja) 1983-04-15 1983-04-15 距離測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58067606A JPS59192985A (ja) 1983-04-15 1983-04-15 距離測定装置

Publications (2)

Publication Number Publication Date
JPS59192985A JPS59192985A (ja) 1984-11-01
JPH0221751B2 true JPH0221751B2 (fr) 1990-05-16

Family

ID=13349755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58067606A Granted JPS59192985A (ja) 1983-04-15 1983-04-15 距離測定装置

Country Status (1)

Country Link
JP (1) JPS59192985A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62284283A (ja) * 1986-05-31 1987-12-10 Tokyo Keiki Co Ltd 超音波距離測定装置

Also Published As

Publication number Publication date
JPS59192985A (ja) 1984-11-01

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