FR1289619A - New superheterodyne device and application to multichannel receivers - Google Patents

New superheterodyne device and application to multichannel receivers

Info

Publication number
FR1289619A
FR1289619A FR853728A FR853728A FR1289619A FR 1289619 A FR1289619 A FR 1289619A FR 853728 A FR853728 A FR 853728A FR 853728 A FR853728 A FR 853728A FR 1289619 A FR1289619 A FR 1289619A
Authority
FR
France
Prior art keywords
new
application
multichannel receivers
superheterodyne
superheterodyne device
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
FR853728A
Other languages
French (fr)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR853728A priority Critical patent/FR1289619A/en
Priority to GB714962A priority patent/GB998028A/en
Application granted granted Critical
Publication of FR1289619A publication Critical patent/FR1289619A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • 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
    • 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
    • G01S3/043—Receivers
    • 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
    • G01S3/28—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics
    • G01S3/30—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived directly from separate directional systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
FR853728A 1961-02-24 1961-02-24 New superheterodyne device and application to multichannel receivers Expired FR1289619A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR853728A FR1289619A (en) 1961-02-24 1961-02-24 New superheterodyne device and application to multichannel receivers
GB714962A GB998028A (en) 1961-02-24 1962-02-23 Improvements in or relating to plural channel superheterodyne receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853728A FR1289619A (en) 1961-02-24 1961-02-24 New superheterodyne device and application to multichannel receivers

Publications (1)

Publication Number Publication Date
FR1289619A true FR1289619A (en) 1962-04-06

Family

ID=8749559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853728A Expired FR1289619A (en) 1961-02-24 1961-02-24 New superheterodyne device and application to multichannel receivers

Country Status (2)

Country Link
FR (1) FR1289619A (en)
GB (1) GB998028A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235385B (en) * 1963-05-17 1967-03-02 Cit Cie Ind Des Telecomm Multi-range overlay receiver
WO1991019995A1 (en) * 1990-06-20 1991-12-26 Thorn Emi Electronics Limited Channelised bearing processor
DE10016483A1 (en) * 2000-04-01 2001-10-18 Plath Naut Elektron Tech Multi-channel direction finding equipment, has the analysis channel matched in bandwidth to that of the monitored frequency band

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235385B (en) * 1963-05-17 1967-03-02 Cit Cie Ind Des Telecomm Multi-range overlay receiver
WO1991019995A1 (en) * 1990-06-20 1991-12-26 Thorn Emi Electronics Limited Channelised bearing processor
DE10016483A1 (en) * 2000-04-01 2001-10-18 Plath Naut Elektron Tech Multi-channel direction finding equipment, has the analysis channel matched in bandwidth to that of the monitored frequency band

Also Published As

Publication number Publication date
GB998028A (en) 1965-07-14

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