FR768948A - Dispositifs traducteurs électro-acoustiques - Google Patents

Dispositifs traducteurs électro-acoustiques

Info

Publication number
FR768948A
FR768948A FR768948DA FR768948A FR 768948 A FR768948 A FR 768948A FR 768948D A FR768948D A FR 768948DA FR 768948 A FR768948 A FR 768948A
Authority
FR
France
Prior art keywords
electro
translator devices
acoustic
acoustic translator
devices
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 FR768948A publication Critical patent/FR768948A/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; ELECTRIC HEARING AIDS; 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR768948D 1933-02-28 1934-02-22 Dispositifs traducteurs électro-acoustiques Expired FR768948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US658939A US1965405A (en) 1933-02-28 1933-02-28 Acoustic device

Publications (1)

Publication Number Publication Date
FR768948A true FR768948A (fr) 1934-08-16

Family

ID=24643334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768948D Expired FR768948A (fr) 1933-02-28 1934-02-22 Dispositifs traducteurs électro-acoustiques

Country Status (3)

Country Link
US (1) US1965405A (fr)
FR (1) FR768948A (fr)
GB (1) GB433211A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993091A (en) * 1957-04-02 1961-07-18 Guss Reuben Variable dynamic infinite damping loudspeaker enclosure device
US3291251A (en) * 1966-03-14 1966-12-13 Stanley A Strzelecki Sr Divided panel board for hi-fi speaker systems
JPS4936416B1 (fr) * 1970-02-27 1974-09-30
US4122315A (en) * 1977-06-13 1978-10-24 Pemcor, Inc. Compact, multiple-element speaker system
US4401857A (en) * 1981-11-19 1983-08-30 Sanyo Electric Co., Ltd. Multiple speaker
US4930596A (en) * 1987-06-16 1990-06-05 Matsushita Electric Industrial Co., Ltd. Loudspeaker system
US5004067A (en) * 1988-06-30 1991-04-02 Patronis Eugene T Cinema sound system for unperforated screens
US5109423A (en) * 1988-06-30 1992-04-28 Jacobson Larry L Audio system with amplifier and signal device
US5784473A (en) * 1996-02-23 1998-07-21 Disney Enterprises, Inc. Sound system
JP3924918B2 (ja) * 1998-05-20 2007-06-06 ソニー株式会社 楕円型スピーカ
US20030123684A1 (en) * 2002-01-02 2003-07-03 Call Raymond Lee Three-way speaker system having translatable midrange/tweeter module
US8422721B2 (en) * 2010-09-14 2013-04-16 Frank Rizzello Sound reproduction systems and method for arranging transducers therein
US10575076B2 (en) 2017-04-17 2020-02-25 Joseph Leslie Hudson, III Sound system
US11228825B1 (en) 2017-04-17 2022-01-18 Bass On, Llc Sound system
US10820103B1 (en) 2018-04-16 2020-10-27 Joseph L Hudson, III Sound system

Also Published As

Publication number Publication date
US1965405A (en) 1934-07-03
GB433211A (en) 1935-08-12

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