JPS548489A - Phase synchronism system - Google Patents

Phase synchronism system

Info

Publication number
JPS548489A
JPS548489A JP7324477A JP7324477A JPS548489A JP S548489 A JPS548489 A JP S548489A JP 7324477 A JP7324477 A JP 7324477A JP 7324477 A JP7324477 A JP 7324477A JP S548489 A JPS548489 A JP S548489A
Authority
JP
Japan
Prior art keywords
phase synchronism
synchronism system
phase
transmitter
replacing
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.)
Granted
Application number
JP7324477A
Other languages
Japanese (ja)
Other versions
JPS5826859B2 (en
Inventor
Kazuo Tsukada
Yoshiharu Kanzaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP52073244A priority Critical patent/JPS5826859B2/en
Publication of JPS548489A publication Critical patent/JPS548489A/en
Publication of JPS5826859B2 publication Critical patent/JPS5826859B2/en
Expired 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To increase the life of unit and the reliability, by replacing the mechanically operated part into electric circuits in a transmitter for phase difference navigation.
JP52073244A 1977-06-22 1977-06-22 Phase synchronization method Expired JPS5826859B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52073244A JPS5826859B2 (en) 1977-06-22 1977-06-22 Phase synchronization method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52073244A JPS5826859B2 (en) 1977-06-22 1977-06-22 Phase synchronization method

Publications (2)

Publication Number Publication Date
JPS548489A true JPS548489A (en) 1979-01-22
JPS5826859B2 JPS5826859B2 (en) 1983-06-06

Family

ID=13512564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52073244A Expired JPS5826859B2 (en) 1977-06-22 1977-06-22 Phase synchronization method

Country Status (1)

Country Link
JP (1) JPS5826859B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59225331A (en) * 1983-06-06 1984-12-18 Matsushita Electric Ind Co Ltd Glass container for optical material defect detection and its manufacturing method
JPS60144331U (en) * 1984-03-07 1985-09-25 日本電気株式会社 frequency synthesizer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946930U (en) * 1972-07-31 1974-04-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946930U (en) * 1972-07-31 1974-04-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59225331A (en) * 1983-06-06 1984-12-18 Matsushita Electric Ind Co Ltd Glass container for optical material defect detection and its manufacturing method
JPS60144331U (en) * 1984-03-07 1985-09-25 日本電気株式会社 frequency synthesizer

Also Published As

Publication number Publication date
JPS5826859B2 (en) 1983-06-06

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