FR715100A - Perfectionnements aux haut-parleurs - Google Patents

Perfectionnements aux haut-parleurs

Info

Publication number
FR715100A
FR715100A FR715100DA FR715100A FR 715100 A FR715100 A FR 715100A FR 715100D A FR715100D A FR 715100DA FR 715100 A FR715100 A FR 715100A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker enhancements
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.)
Philips North America LLC
Original Assignee
Magnavox 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 Magnavox Co filed Critical Magnavox Co
Application granted granted Critical
Publication of FR715100A publication Critical patent/FR715100A/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
    • H04R9/02—Details
    • 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
    • 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
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR715100D 1930-05-06 1931-04-11 Perfectionnements aux haut-parleurs Expired FR715100A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US450128A US1808297A (en) 1930-05-06 1930-05-06 Loud speaker

Publications (1)

Publication Number Publication Date
FR715100A true FR715100A (fr) 1931-11-25

Family

ID=23786874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715100D Expired FR715100A (fr) 1930-05-06 1931-04-11 Perfectionnements aux haut-parleurs

Country Status (5)

Country Link
US (1) US1808297A (fr)
BE (1) BE379042A (fr)
FR (1) FR715100A (fr)
GB (1) GB369030A (fr)
NL (1) NL32218C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177210B (de) * 1962-12-14 1964-09-03 Lehner Fernsprech Signal Elektroakustischer Wandler fuer telefonische Zwecke

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423037A (en) * 1944-11-03 1947-06-24 Operadio Mfg Co Electrodynamic loud-speaker
US2537723A (en) * 1946-11-22 1951-01-09 Truvox Engineering Company Ltd Electromagnetic transducer
GB2050755B (en) * 1979-04-10 1983-06-29 Suwa Seikosha Kk Dynamic loudspeaker
GB8923681D0 (en) * 1989-10-20 1989-12-06 Lyth Charles D Improvements in or relating to loudspeakers
GB0102780D0 (en) * 2001-02-03 2001-03-21 K H Technology Corp Loudspeaker assemblies
USD733792S1 (en) * 2013-10-07 2015-07-07 Rony Samimrad Guitar
USD776086S1 (en) * 2014-04-23 2017-01-10 Martin Audio Limited Loudspeaker
USD783577S1 (en) * 2015-09-16 2017-04-11 Stillwater Designs And Audio, Inc. Subwoofer
USD788074S1 (en) * 2015-10-09 2017-05-30 Bose Corporation Low profile speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177210B (de) * 1962-12-14 1964-09-03 Lehner Fernsprech Signal Elektroakustischer Wandler fuer telefonische Zwecke

Also Published As

Publication number Publication date
NL32218C (fr)
GB369030A (en) 1932-03-17
BE379042A (fr)
US1808297A (en) 1931-06-02

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