JPS63743B2 - - Google Patents

Info

Publication number
JPS63743B2
JPS63743B2 JP12433981A JP12433981A JPS63743B2 JP S63743 B2 JPS63743 B2 JP S63743B2 JP 12433981 A JP12433981 A JP 12433981A JP 12433981 A JP12433981 A JP 12433981A JP S63743 B2 JPS63743 B2 JP S63743B2
Authority
JP
Japan
Prior art keywords
signal
frequency
output
detection
circuit
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
JP12433981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5826281A (ja
Inventor
Takayoshi Inai
Tadashi Sato
Hisao Akita
Kazuhide Nagai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56124339A priority Critical patent/JPS5826281A/ja
Publication of JPS5826281A publication Critical patent/JPS5826281A/ja
Publication of JPS63743B2 publication Critical patent/JPS63743B2/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/40—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal adjusting orientation of a single directivity characteristic to produce maximum or minimum signal, e.g. rotatable loop antenna or equivalent goniometer system

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Circuits Of Receivers In General (AREA)
JP56124339A 1981-08-07 1981-08-07 海難防止用受信装置 Granted JPS5826281A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56124339A JPS5826281A (ja) 1981-08-07 1981-08-07 海難防止用受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56124339A JPS5826281A (ja) 1981-08-07 1981-08-07 海難防止用受信装置

Publications (2)

Publication Number Publication Date
JPS5826281A JPS5826281A (ja) 1983-02-16
JPS63743B2 true JPS63743B2 (cg-RX-API-DMAC7.html) 1988-01-08

Family

ID=14882899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56124339A Granted JPS5826281A (ja) 1981-08-07 1981-08-07 海難防止用受信装置

Country Status (1)

Country Link
JP (1) JPS5826281A (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60260210A (ja) * 1984-06-06 1985-12-23 Matsushita Electric Ind Co Ltd 車載受信装置
JPS61195374A (ja) * 1985-02-26 1986-08-29 Mitsubishi Electric Corp 静止衛星による遭難通信方式

Also Published As

Publication number Publication date
JPS5826281A (ja) 1983-02-16

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