FR883707A - Directing sound devices - Google Patents

Directing sound devices

Info

Publication number
FR883707A
FR883707A FR883707DA FR883707A FR 883707 A FR883707 A FR 883707A FR 883707D A FR883707D A FR 883707DA FR 883707 A FR883707 A FR 883707A
Authority
FR
France
Prior art keywords
sound devices
directing sound
directing
devices
sound
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.)
Klangfilm GmbH
Original Assignee
Klangfilm GmbH
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 Klangfilm GmbH filed Critical Klangfilm GmbH
Application granted granted Critical
Publication of FR883707A publication Critical patent/FR883707A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR883707D 1941-07-02 1942-07-01 Directing sound devices Expired FR883707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE883707X 1941-07-02

Publications (1)

Publication Number Publication Date
FR883707A true FR883707A (en) 1943-07-13

Family

ID=6832163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR883707D Expired FR883707A (en) 1941-07-02 1942-07-01 Directing sound devices

Country Status (1)

Country Link
FR (1) FR883707A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472326A1 (en) * 1979-12-17 1981-06-26 Western Electric Co MICROPHONE NETWORK WITH DIRECTIONAL DIAGRAM
FR2507849A1 (en) * 1981-06-15 1982-12-17 Western Electric Co ACOUSTIC APPARATUS WITH DIRECTIONAL RESPONSE DIAGRAM

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472326A1 (en) * 1979-12-17 1981-06-26 Western Electric Co MICROPHONE NETWORK WITH DIRECTIONAL DIAGRAM
FR2507849A1 (en) * 1981-06-15 1982-12-17 Western Electric Co ACOUSTIC APPARATUS WITH DIRECTIONAL RESPONSE DIAGRAM

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