FR867846A - Electrical signal comparison circuits - Google Patents

Electrical signal comparison circuits

Info

Publication number
FR867846A
FR867846A FR867846DA FR867846A FR 867846 A FR867846 A FR 867846A FR 867846D A FR867846D A FR 867846DA FR 867846 A FR867846 A FR 867846A
Authority
FR
France
Prior art keywords
electrical signal
comparison circuits
signal comparison
circuits
electrical
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
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
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867846A publication Critical patent/FR867846A/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
    • 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
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Amplifiers (AREA)
FR867846D 1939-11-03 1940-11-29 Electrical signal comparison circuits Expired FR867846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2931539A GB536178A (en) 1939-11-03 1939-11-03 Improvements in or relating to radio compasses and radio direction finding systems

Publications (1)

Publication Number Publication Date
FR867846A true FR867846A (en) 1941-11-29

Family

ID=10289592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867846D Expired FR867846A (en) 1939-11-03 1940-11-29 Electrical signal comparison circuits

Country Status (3)

Country Link
BE (1) BE441653A (en)
FR (1) FR867846A (en)
GB (1) GB536178A (en)

Also Published As

Publication number Publication date
GB536178A (en) 1941-05-06
BE441653A (en)

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