JPH0524468B2 - - Google Patents

Info

Publication number
JPH0524468B2
JPH0524468B2 JP59039424A JP3942484A JPH0524468B2 JP H0524468 B2 JPH0524468 B2 JP H0524468B2 JP 59039424 A JP59039424 A JP 59039424A JP 3942484 A JP3942484 A JP 3942484A JP H0524468 B2 JPH0524468 B2 JP H0524468B2
Authority
JP
Japan
Prior art keywords
frequency
low
signal
echo
level
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
JP59039424A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60183574A (ja
Inventor
Shigeo Yamamoto
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP3942484A priority Critical patent/JPS60183574A/ja
Publication of JPS60183574A publication Critical patent/JPS60183574A/ja
Publication of JPH0524468B2 publication Critical patent/JPH0524468B2/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
    • G01S7/56—Display arrangements
    • G01S7/62—Cathode-ray tube displays
    • G01S7/6263—Cathode-ray tube displays in which different colours are used

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)
JP3942484A 1984-02-29 1984-02-29 カラ−セレクタ− Granted JPS60183574A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3942484A JPS60183574A (ja) 1984-02-29 1984-02-29 カラ−セレクタ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3942484A JPS60183574A (ja) 1984-02-29 1984-02-29 カラ−セレクタ−

Publications (2)

Publication Number Publication Date
JPS60183574A JPS60183574A (ja) 1985-09-19
JPH0524468B2 true JPH0524468B2 (enExample) 1993-04-07

Family

ID=12552602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3942484A Granted JPS60183574A (ja) 1984-02-29 1984-02-29 カラ−セレクタ−

Country Status (1)

Country Link
JP (1) JPS60183574A (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56128473A (en) * 1980-03-14 1981-10-07 Keisuke Honda Fish finder with decision of fish type

Also Published As

Publication number Publication date
JPS60183574A (ja) 1985-09-19

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term