FR791719A - Improvements to loudspeakers and similar instruments - Google Patents

Improvements to loudspeakers and similar instruments

Info

Publication number
FR791719A
FR791719A FR791719DA FR791719A FR 791719 A FR791719 A FR 791719A FR 791719D A FR791719D A FR 791719DA FR 791719 A FR791719 A FR 791719A
Authority
FR
France
Prior art keywords
loudspeakers
similar instruments
instruments
similar
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)
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.)
GLEN S PATENTS AND HOLDINGS LT
Original Assignee
GLEN S PATENTS AND HOLDINGS LT
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 GLEN S PATENTS AND HOLDINGS LT filed Critical GLEN S PATENTS AND HOLDINGS LT
Application granted granted Critical
Publication of FR791719A publication Critical patent/FR791719A/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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR791719D 1934-07-04 1935-06-25 Improvements to loudspeakers and similar instruments Expired FR791719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19707/34A GB441061A (en) 1934-07-04 1934-07-04 Improvements in or relating to loudspeakers and the like

Publications (1)

Publication Number Publication Date
FR791719A true FR791719A (en) 1935-12-16

Family

ID=10133852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791719D Expired FR791719A (en) 1934-07-04 1935-06-25 Improvements to loudspeakers and similar instruments

Country Status (3)

Country Link
US (1) US2049766A (en)
FR (1) FR791719A (en)
GB (1) GB441061A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827978A (en) * 1955-05-31 1958-03-25 Gen Electric Acoustic radiation force measuring device
US2979150A (en) * 1958-10-21 1961-04-11 Jr Jesse C Irby High fidelity loud speaker cabinet
US3109721A (en) * 1958-11-21 1963-11-05 Union Carbide Corp Method and apparatus for separating a fluid mixture by sonic energy
US3292727A (en) * 1963-05-06 1966-12-20 Messerschmitt Ag High power sound generator for sonic fatique testing
JPS6042558Y2 (en) * 1980-04-17 1985-12-27 ソニー株式会社 speaker
JP2823157B2 (en) * 1986-04-01 1998-11-11 キヤノン株式会社 Audio output system
US7561704B2 (en) * 2005-12-07 2009-07-14 Yen-Chen Chan Structure of speaker

Also Published As

Publication number Publication date
GB441061A (en) 1936-01-06
US2049766A (en) 1936-08-04

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