NO130705C - - Google Patents

Info

Publication number
NO130705C
NO130705C NO1734/71A NO173471A NO130705C NO 130705 C NO130705 C NO 130705C NO 1734/71 A NO1734/71 A NO 1734/71A NO 173471 A NO173471 A NO 173471A NO 130705 C NO130705 C NO 130705C
Authority
NO
Norway
Application number
NO1734/71A
Other versions
NO130705B (no
Inventor
O Mathiesen
D Poppe
C F Holmboe
Original Assignee
Standard Tel Kabelfab As
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 Tel Kabelfab As filed Critical Standard Tel Kabelfab As
Priority to NO1734/71A priority Critical patent/NO130705C/no
Priority to GB2083472A priority patent/GB1339245A/en
Priority to DE19722221909 priority patent/DE2221909A1/de
Priority to US00250519A priority patent/US3747107A/en
Priority to NL7206226A priority patent/NL7206226A/xx
Priority to FR7216325A priority patent/FR2137608B1/fr
Publication of NO130705B publication Critical patent/NO130705B/no
Publication of NO130705C publication Critical patent/NO130705C/no

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
    • 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
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
NO1734/71A 1971-05-07 1971-05-07 NO130705C (no)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NO1734/71A NO130705C (no) 1971-05-07 1971-05-07
GB2083472A GB1339245A (en) 1971-05-07 1972-05-04 Twochannel direction finders
DE19722221909 DE2221909A1 (de) 1971-05-07 1972-05-04 Zweikanalpeiler
US00250519A US3747107A (en) 1971-05-07 1972-05-05 Frequency locking system for direction finders
NL7206226A NL7206226A (no) 1971-05-07 1972-05-08
FR7216325A FR2137608B1 (no) 1971-05-07 1972-05-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO1734/71A NO130705C (no) 1971-05-07 1971-05-07

Publications (2)

Publication Number Publication Date
NO130705B NO130705B (no) 1974-10-14
NO130705C true NO130705C (no) 1975-01-22

Family

ID=19878400

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1734/71A NO130705C (no) 1971-05-07 1971-05-07

Country Status (6)

Country Link
US (1) US3747107A (no)
DE (1) DE2221909A1 (no)
FR (1) FR2137608B1 (no)
GB (1) GB1339245A (no)
NL (1) NL7206226A (no)
NO (1) NO130705C (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198633A (en) * 1978-04-07 1980-04-15 Bayly Engineering Limited Electronic signal processing system
US4510499A (en) * 1981-05-07 1985-04-09 Vega Precision Laboratories, Inc. TACAN data link system
US4724442A (en) * 1986-05-29 1988-02-09 E-Systems, Inc. Method and apparatus for loop direction finding with no ambiguity
US5003316A (en) * 1989-04-24 1991-03-26 E-Systems, Inc. Single null miniature direction finder
US4983983A (en) * 1989-12-05 1991-01-08 The United States Of America As Represented By The Secretary Of The Navy Semi-automatic direction finding set
US6581164B1 (en) * 2000-01-03 2003-06-17 Conexant Systems, Inc. System for adjusting clock frequency based upon amount of unread data stored in sequential memory when reading a new line of data within a field of data

Also Published As

Publication number Publication date
GB1339245A (en) 1973-11-28
US3747107A (en) 1973-07-17
NO130705B (no) 1974-10-14
DE2221909A1 (de) 1972-11-23
FR2137608A1 (no) 1972-12-29
FR2137608B1 (no) 1977-11-18
NL7206226A (no) 1972-11-09

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