FR730676A - Perfectionnements aux dispositifs destinés à la traduction des sons - Google Patents

Perfectionnements aux dispositifs destinés à la traduction des sons

Info

Publication number
FR730676A
FR730676A FR730676DA FR730676A FR 730676 A FR730676 A FR 730676A FR 730676D A FR730676D A FR 730676DA FR 730676 A FR730676 A FR 730676A
Authority
FR
France
Prior art keywords
devices intended
sound translation
translation
sound
intended
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR730676A publication Critical patent/FR730676A/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/10—Telephone receivers
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR730676D 1931-01-31 1932-01-29 Perfectionnements aux dispositifs destinés à la traduction des sons Expired FR730676A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US164583XA 1931-01-31 1931-01-31
US20531XA 1931-05-02 1931-05-02

Publications (1)

Publication Number Publication Date
FR730676A true FR730676A (fr) 1932-08-19

Family

ID=26669855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR730676D Expired FR730676A (fr) 1931-01-31 1932-01-29 Perfectionnements aux dispositifs destinés à la traduction des sons

Country Status (5)

Country Link
BE (1) BE385962A (fr)
CH (1) CH164583A (fr)
DE (1) DE624204C (fr)
FR (1) FR730676A (fr)
NL (1) NL36742C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073545B (de) * 1953-06-02 1960-01-21 Akustische u Kino Gerate Ges mbH, Wien Dynamisches Rieht mikrophon
DE971704C (de) * 1953-06-25 1959-03-19 Carl Ludwig Lehner Elektroakustischer Wandler fuer telefonische Zwecke
DE946819C (de) * 1954-08-14 1956-08-09 Siemens Ag Magnetsystem fuer Lautsprecher
DE1115766B (de) * 1956-06-09 1961-10-26 Schoeps Dr Ing Karl Schallempfaenger

Also Published As

Publication number Publication date
NL36742C (fr)
DE624204C (de) 1936-01-15
BE385962A (fr)
CH164583A (fr) 1933-10-15

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