Nothing Special   »   [go: up one dir, main page]

JPS51130188A - Signal detection equipment - Google Patents

Signal detection equipment

Info

Publication number
JPS51130188A
JPS51130188A JP5514575A JP5514575A JPS51130188A JP S51130188 A JPS51130188 A JP S51130188A JP 5514575 A JP5514575 A JP 5514575A JP 5514575 A JP5514575 A JP 5514575A JP S51130188 A JPS51130188 A JP S51130188A
Authority
JP
Japan
Prior art keywords
signal detection
detection equipment
equipment
decca
wrongly
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
JP5514575A
Other languages
Japanese (ja)
Other versions
JPS5844992B2 (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 JP5514575A priority Critical patent/JPS5844992B2/en
Publication of JPS51130188A publication Critical patent/JPS51130188A/en
Publication of JPS5844992B2 publication Critical patent/JPS5844992B2/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)

Abstract

PURPOSE:Equipment which does not function wrongly and which is suitable for use, with Decca receivers.
JP5514575A 1975-05-07 1975-05-07 Signal detection device in Decca navigation receiver Expired JPS5844992B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5514575A JPS5844992B2 (en) 1975-05-07 1975-05-07 Signal detection device in Decca navigation receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5514575A JPS5844992B2 (en) 1975-05-07 1975-05-07 Signal detection device in Decca navigation receiver

Publications (2)

Publication Number Publication Date
JPS51130188A true JPS51130188A (en) 1976-11-12
JPS5844992B2 JPS5844992B2 (en) 1983-10-06

Family

ID=12990591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5514575A Expired JPS5844992B2 (en) 1975-05-07 1975-05-07 Signal detection device in Decca navigation receiver

Country Status (1)

Country Link
JP (1) JPS5844992B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53147496A (en) * 1977-05-28 1978-12-22 Koden Electronics Co Ltd Decca receiver multiple pulse detector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0360594U (en) * 1989-06-22 1991-06-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53147496A (en) * 1977-05-28 1978-12-22 Koden Electronics Co Ltd Decca receiver multiple pulse detector
JPS5836747B2 (en) * 1977-05-28 1983-08-11 株式会社光電製作所 Multipulse detection device in Decca receiver

Also Published As

Publication number Publication date
JPS5844992B2 (en) 1983-10-06

Similar Documents

Publication Publication Date Title
JPS51130188A (en) Signal detection equipment
JPS5221733A (en) Microsignal detection circuit
JPS5224489A (en) Radar
JPS5232483A (en) Signal receiving device
JPS51128214A (en) Receiver
JPS51120196A (en) Alarm device
JPS5261420A (en) Receiver
JPS51145202A (en) Synthesizer receiver
JPS5232484A (en) Signal receiving device
JPS5221711A (en) Radio receiver
JPS527698A (en) Evacation guiding system
JPS5263253A (en) Vibration-cushioning materials
JPS51130187A (en) Synchronizing equipment
JPS51138112A (en) Signal detecting device
JPS5211809A (en) Data transmission system
JPS524980A (en) Control signal watching apparatus
JPS5230311A (en) Signal conveyance method
JPS51114046A (en) Block average circuit
JPS5257440A (en) Transistor ignition system
JPS51140657A (en) Article sensing apparatus
JPS51123687A (en) A comparing method
JPS5224092A (en) Object discriminator
JPS5240009A (en) Mark rate detection circuit
JPS5235906A (en) Correcting circuit for input signal polarity
JPS51146155A (en) Antenna feeding device