FR892793A - Haut-parleur à écran - Google Patents

Haut-parleur à écran

Info

Publication number
FR892793A
FR892793A FR892793DA FR892793A FR 892793 A FR892793 A FR 892793A FR 892793D A FR892793D A FR 892793DA FR 892793 A FR892793 A FR 892793A
Authority
FR
France
Prior art keywords
screen speaker
speaker
screen
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
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.)
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 FR892793A publication Critical patent/FR892793A/fr
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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR892793D 1942-04-20 1943-03-24 Haut-parleur à écran Expired FR892793A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE892793X 1942-04-20

Publications (1)

Publication Number Publication Date
FR892793A true FR892793A (fr) 1944-05-19

Family

ID=6846450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892793D Expired FR892793A (fr) 1942-04-20 1943-03-24 Haut-parleur à écran

Country Status (1)

Country Link
FR (1) FR892793A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100371A (en) * 1976-03-24 1978-07-11 Decca Limited Loudspeaker system with phase difference compensation
US5046581A (en) * 1989-05-16 1991-09-10 Sound-Craft Systems, Inc. Loudspeaker system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100371A (en) * 1976-03-24 1978-07-11 Decca Limited Loudspeaker system with phase difference compensation
US5046581A (en) * 1989-05-16 1991-09-10 Sound-Craft Systems, Inc. Loudspeaker system

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