FR599509A - Improvements to sound amplifiers - Google Patents

Improvements to sound amplifiers

Info

Publication number
FR599509A
FR599509A FR599509DA FR599509A FR 599509 A FR599509 A FR 599509A FR 599509D A FR599509D A FR 599509DA FR 599509 A FR599509 A FR 599509A
Authority
FR
France
Prior art keywords
sound amplifiers
amplifiers
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)
Inventor
Charles Harry Payne
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 FR599509A publication Critical patent/FR599509A/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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR599509D 1925-06-02 1925-06-12 Improvements to sound amplifiers Expired FR599509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1436125A GB251125A (en) 1925-06-02 1925-06-02 Improvements in sound amplifiers

Publications (1)

Publication Number Publication Date
FR599509A true FR599509A (en) 1926-01-14

Family

ID=10039803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR599509D Expired FR599509A (en) 1925-06-02 1925-06-12 Improvements to sound amplifiers

Country Status (2)

Country Link
FR (1) FR599509A (en)
GB (1) GB251125A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563783A (en) * 1946-05-31 1951-08-07 John Sovis Jr Loudspeaker mounting

Also Published As

Publication number Publication date
GB251125A (en) 1926-04-29

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