FR1556836A - - Google Patents

Info

Publication number
FR1556836A
FR1556836A FR1556836DA FR1556836A FR 1556836 A FR1556836 A FR 1556836A FR 1556836D A FR1556836D A FR 1556836DA FR 1556836 A FR1556836 A FR 1556836A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1556836A publication Critical patent/FR1556836A/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
    • H04R1/32—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
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR1556836D 1967-03-23 1968-03-20 Expired FR1556836A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967S0108984 DE1297678B (de) 1967-03-23 1967-03-23 Zeilenfoermige Lautsprecheranordnung fuer die Wiedergabe eines breiten Frequenzbandes

Publications (1)

Publication Number Publication Date
FR1556836A true FR1556836A (fr) 1969-02-07

Family

ID=7529184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1556836D Expired FR1556836A (fr) 1967-03-23 1968-03-20

Country Status (5)

Country Link
CH (1) CH477141A (fr)
DE (1) DE1297678B (fr)
FR (1) FR1556836A (fr)
NL (1) NL6803955A (fr)
SE (1) SE325057B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399178A1 (fr) * 1977-07-26 1979-02-23 Philips Nv Ensemble comportant plusieurs haut-parleurs dynamiques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399178A1 (fr) * 1977-07-26 1979-02-23 Philips Nv Ensemble comportant plusieurs haut-parleurs dynamiques

Also Published As

Publication number Publication date
SE325057B (fr) 1970-06-22
DE1297678B (de) 1969-06-19
CH477141A (de) 1969-08-15
NL6803955A (fr) 1968-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse