FR1301249A - Perfectionnements aux réseaux rayonnants - Google Patents

Perfectionnements aux réseaux rayonnants

Info

Publication number
FR1301249A
FR1301249A FR873795A FR873795A FR1301249A FR 1301249 A FR1301249 A FR 1301249A FR 873795 A FR873795 A FR 873795A FR 873795 A FR873795 A FR 873795A FR 1301249 A FR1301249 A FR 1301249A
Authority
FR
France
Prior art keywords
radiating networks
radiating
networks
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
FR873795A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR873795A priority Critical patent/FR1301249A/fr
Application granted granted Critical
Publication of FR1301249A publication Critical patent/FR1301249A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • 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
    • G01S1/72—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 ultrasonic, sonic or infrasonic waves
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR873795A 1961-09-21 1961-09-21 Perfectionnements aux réseaux rayonnants Expired FR1301249A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR873795A FR1301249A (fr) 1961-09-21 1961-09-21 Perfectionnements aux réseaux rayonnants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR873795A FR1301249A (fr) 1961-09-21 1961-09-21 Perfectionnements aux réseaux rayonnants

Publications (1)

Publication Number Publication Date
FR1301249A true FR1301249A (fr) 1962-08-10

Family

ID=8763234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873795A Expired FR1301249A (fr) 1961-09-21 1961-09-21 Perfectionnements aux réseaux rayonnants

Country Status (1)

Country Link
FR (1) FR1301249A (fr)

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