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GB939978A - Frequency modulation transmitters - Google Patents

Frequency modulation transmitters

Info

Publication number
GB939978A
GB939978A GB1088861A GB1088861A GB939978A GB 939978 A GB939978 A GB 939978A GB 1088861 A GB1088861 A GB 1088861A GB 1088861 A GB1088861 A GB 1088861A GB 939978 A GB939978 A GB 939978A
Authority
GB
United Kingdom
Prior art keywords
frequency
frequency modulation
counter
radar
monitor
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
GB1088861A
Other languages
English (en)
Inventor
Marino Pompeo Giovanni Capelli
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB1088861A priority Critical patent/GB939978A/en
Priority to CH345562A priority patent/CH399554A/de
Priority to BE615456A priority patent/BE615456R/fr
Publication of GB939978A publication Critical patent/GB939978A/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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/10—Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB1088861A 1961-03-24 1961-03-24 Frequency modulation transmitters Expired GB939978A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1088861A GB939978A (en) 1961-03-24 1961-03-24 Frequency modulation transmitters
CH345562A CH399554A (de) 1961-03-24 1962-03-23 Frequenzmodulationssender
BE615456A BE615456R (fr) 1961-03-24 1962-03-23 Altimètres radioélectriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1088861A GB939978A (en) 1961-03-24 1961-03-24 Frequency modulation transmitters

Publications (1)

Publication Number Publication Date
GB939978A true GB939978A (en) 1963-10-16

Family

ID=9976163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1088861A Expired GB939978A (en) 1961-03-24 1961-03-24 Frequency modulation transmitters

Country Status (3)

Country Link
BE (1) BE615456R (fr)
CH (1) CH399554A (fr)
GB (1) GB939978A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014128687A1 (fr) 2013-02-20 2014-08-28 Israel Aerospace Industries Ltd. Système et procédé d'essai de synthétiseur de fréquence

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014128687A1 (fr) 2013-02-20 2014-08-28 Israel Aerospace Industries Ltd. Système et procédé d'essai de synthétiseur de fréquence
EP2959586A4 (fr) * 2013-02-20 2016-10-12 Israel Aerospace Ind Ltd Système et procédé d'essai de synthétiseur de fréquence
US9921296B2 (en) 2013-02-20 2018-03-20 Israel Aerospace Industries Ltd. System and method for testing frequency synthesizer

Also Published As

Publication number Publication date
BE615456R (fr) 1962-09-24
CH399554A (de) 1965-09-30

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