FR643720A - Perfectionnements aux haut-parleurs - Google Patents

Perfectionnements aux haut-parleurs

Info

Publication number
FR643720A
FR643720A FR643720DA FR643720A FR 643720 A FR643720 A FR 643720A FR 643720D A FR643720D A FR 643720DA FR 643720 A FR643720 A FR 643720A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker enhancements
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.)
IMBAULT
Original Assignee
IMBAULT
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 IMBAULT filed Critical IMBAULT
Application granted granted Critical
Publication of FR643720A publication Critical patent/FR643720A/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; ELECTRIC HEARING AIDS; 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR643720D 1927-11-10 1927-11-10 Perfectionnements aux haut-parleurs Expired FR643720A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR643720T 1927-11-10

Publications (1)

Publication Number Publication Date
FR643720A true FR643720A (fr) 1928-09-21

Family

ID=8999655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR643720D Expired FR643720A (fr) 1927-11-10 1927-11-10 Perfectionnements aux haut-parleurs

Country Status (1)

Country Link
FR (1) FR643720A (fr)

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