JPS51130187A - Synchronizing equipment - Google Patents

Synchronizing equipment

Info

Publication number
JPS51130187A
JPS51130187A JP50055144A JP5514475A JPS51130187A JP S51130187 A JPS51130187 A JP S51130187A JP 50055144 A JP50055144 A JP 50055144A JP 5514475 A JP5514475 A JP 5514475A JP S51130187 A JPS51130187 A JP S51130187A
Authority
JP
Japan
Prior art keywords
synchronizing
synchronizing equipment
equipment
signal
prearranged
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
JP50055144A
Other languages
Japanese (ja)
Other versions
JPS5822984B2 (en
Inventor
Hideki Tanaka
Minoru Handa
Kenzo Kitayama
Asao Kitahata
Yoshikazu Konishi
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP50055144A priority Critical patent/JPS5822984B2/en
Publication of JPS51130187A publication Critical patent/JPS51130187A/en
Publication of JPS5822984B2 publication Critical patent/JPS5822984B2/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
    • G01S1/306—Analogous systems in which frequency-related signals (harmonics) are compared in phase, e.g. DECCA systems

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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:A Decca receiver is stopped for synchronizing operation by detecting a large and abrupt change in the phase of an incoming signal and that of the prearranged synchronizing signal.
JP50055144A 1975-05-07 1975-05-07 doukisouchi Expired JPS5822984B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50055144A JPS5822984B2 (en) 1975-05-07 1975-05-07 doukisouchi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50055144A JPS5822984B2 (en) 1975-05-07 1975-05-07 doukisouchi

Publications (2)

Publication Number Publication Date
JPS51130187A true JPS51130187A (en) 1976-11-12
JPS5822984B2 JPS5822984B2 (en) 1983-05-12

Family

ID=12990564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50055144A Expired JPS5822984B2 (en) 1975-05-07 1975-05-07 doukisouchi

Country Status (1)

Country Link
JP (1) JPS5822984B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152234A (en) * 1981-03-13 1982-09-20 Matsushita Electronics Corp Large-scale integrated circuit for pll tuning
JPS58159029A (en) * 1982-03-16 1983-09-21 Nippon Telegr & Teleph Corp <Ntt> Phase locked oscillator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152234A (en) * 1981-03-13 1982-09-20 Matsushita Electronics Corp Large-scale integrated circuit for pll tuning
JPH029735B2 (en) * 1981-03-13 1990-03-05 Matsushita Electronics Corp
JPS58159029A (en) * 1982-03-16 1983-09-21 Nippon Telegr & Teleph Corp <Ntt> Phase locked oscillator

Also Published As

Publication number Publication date
JPS5822984B2 (en) 1983-05-12

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