FR651743A - Improvements to devices used to produce and reproduce sounds - Google Patents

Improvements to devices used to produce and reproduce sounds

Info

Publication number
FR651743A
FR651743A FR651743DA FR651743A FR 651743 A FR651743 A FR 651743A FR 651743D A FR651743D A FR 651743DA FR 651743 A FR651743 A FR 651743A
Authority
FR
France
Prior art keywords
produce
devices used
reproduce sounds
sounds
reproduce
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.)
Victor Talking Machine Co
Original Assignee
Victor Talking Machine Co
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 Victor Talking Machine Co filed Critical Victor Talking Machine Co
Application granted granted Critical
Publication of FR651743A publication Critical patent/FR651743A/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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR651743D 1927-04-06 1928-03-24 Improvements to devices used to produce and reproduce sounds Expired FR651743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US181485A US1798157A (en) 1927-04-06 1927-04-06 Sound-regulating device

Publications (1)

Publication Number Publication Date
FR651743A true FR651743A (en) 1929-02-27

Family

ID=26704125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651743D Expired FR651743A (en) 1927-04-06 1928-03-24 Improvements to devices used to produce and reproduce sounds

Country Status (3)

Country Link
US (1) US1798157A (en)
FR (1) FR651743A (en)
GB (1) GB288276A (en)

Also Published As

Publication number Publication date
GB288276A (en) 1929-04-18
US1798157A (en) 1931-03-31

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