FR1427607A - Improvements to plate antennas for sound waves - Google Patents

Improvements to plate antennas for sound waves

Info

Publication number
FR1427607A
FR1427607A FR874158A FR874158A FR1427607A FR 1427607 A FR1427607 A FR 1427607A FR 874158 A FR874158 A FR 874158A FR 874158 A FR874158 A FR 874158A FR 1427607 A FR1427607 A FR 1427607A
Authority
FR
France
Prior art keywords
sound waves
plate antennas
antennas
plate
waves
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
FR874158A
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 FR874158A priority Critical patent/FR1427607A/en
Application granted granted Critical
Publication of FR1427607A publication Critical patent/FR1427607A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR874158A 1961-09-26 1961-09-26 Improvements to plate antennas for sound waves Expired FR1427607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR874158A FR1427607A (en) 1961-09-26 1961-09-26 Improvements to plate antennas for sound waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR874158A FR1427607A (en) 1961-09-26 1961-09-26 Improvements to plate antennas for sound waves

Publications (1)

Publication Number Publication Date
FR1427607A true FR1427607A (en) 1966-02-11

Family

ID=8763487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874158A Expired FR1427607A (en) 1961-09-26 1961-09-26 Improvements to plate antennas for sound waves

Country Status (1)

Country Link
FR (1) FR1427607A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2905898A1 (en) * 1978-02-17 1987-09-10 Thomson Csf SELF-STEERING ARRANGEMENT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2905898A1 (en) * 1978-02-17 1987-09-10 Thomson Csf SELF-STEERING ARRANGEMENT

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