FR1090897A - Loyal and powerful speaker - Google Patents

Loyal and powerful speaker

Info

Publication number
FR1090897A
FR1090897A FR1090897DA FR1090897A FR 1090897 A FR1090897 A FR 1090897A FR 1090897D A FR1090897D A FR 1090897DA FR 1090897 A FR1090897 A FR 1090897A
Authority
FR
France
Prior art keywords
loyal
powerful speaker
powerful
speaker
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)
Inventor
Rose-Maurice-Aime Hippolyte
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 FR1090897A publication Critical patent/FR1090897A/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
    • H04R1/22—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)
FR1090897D 1953-11-28 1953-11-28 Loyal and powerful speaker Expired FR1090897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1090897T 1953-11-28

Publications (1)

Publication Number Publication Date
FR1090897A true FR1090897A (en) 1955-04-05

Family

ID=9615155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1090897D Expired FR1090897A (en) 1953-11-28 1953-11-28 Loyal and powerful speaker

Country Status (1)

Country Link
FR (1) FR1090897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513937A (en) * 1968-09-27 1970-05-26 Listening Inc Acoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513937A (en) * 1968-09-27 1970-05-26 Listening Inc Acoustic transducer

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