FR940616A - Perfectionnements aux hauts-parleurs et appareils similaires - Google Patents

Perfectionnements aux hauts-parleurs et appareils similaires

Info

Publication number
FR940616A
FR940616A FR940616DA FR940616A FR 940616 A FR940616 A FR 940616A FR 940616D A FR940616D A FR 940616DA FR 940616 A FR940616 A FR 940616A
Authority
FR
France
Prior art keywords
speakers
similar devices
similar
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)
Inventor
Leonard Walter Murkham
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.)
RESLO SOUND EQUIPMENT Ltd
Original Assignee
RESLO SOUND EQUIPMENT Ltd
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 RESLO SOUND EQUIPMENT Ltd filed Critical RESLO SOUND EQUIPMENT Ltd
Application granted granted Critical
Publication of FR940616A publication Critical patent/FR940616A/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
    • 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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
FR940616D 1941-12-04 1946-04-02 Perfectionnements aux hauts-parleurs et appareils similaires Expired FR940616A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15642/41A GB552328A (en) 1941-12-04 1941-12-04 Improvements in or relating to loud speakers and the like

Publications (1)

Publication Number Publication Date
FR940616A true FR940616A (fr) 1948-12-17

Family

ID=10062818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940616D Expired FR940616A (fr) 1941-12-04 1946-04-02 Perfectionnements aux hauts-parleurs et appareils similaires

Country Status (3)

Country Link
US (1) US2490227A (fr)
FR (1) FR940616A (fr)
GB (1) GB552328A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE469578A (fr) * 1945-11-30
US2501031A (en) * 1945-11-30 1950-03-21 Rca Corp Magnetic field structure for dynamic loud-speakers and the like
US2755343A (en) * 1951-10-05 1956-07-17 Univ Loudspeakers Inc Blast-proof and submergence-proof sound reproducing device
DE968466C (de) * 1952-02-23 1958-02-20 Siemens Ag Druckkammerlautsprecher, insbesondere mit Kalottenmembran
US2942071A (en) * 1954-10-01 1960-06-21 Rca Corp Horn-type transducer
US3258543A (en) * 1962-10-01 1966-06-28 Electro Voice Dynamic microphone
US4031337A (en) * 1974-12-16 1977-06-21 Matsushita Electric Industrial Co., Ltd. Loudspeaker
JP2905350B2 (ja) * 1992-11-18 1999-06-14 スター精密 株式会社 電気音響変換器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1766473A (en) * 1928-05-05 1930-06-24 Bell Telephone Labor Inc Electrodynamic device
US1869178A (en) * 1930-08-15 1932-07-26 Bell Telephone Labor Inc Sound translating device
US1847702A (en) * 1931-05-02 1932-03-01 Bell Telephone Labor Inc Sound translating device
US2295483A (en) * 1934-06-04 1942-09-08 Jensen Radio Mfg Company Loudspeaker
BE412830A (fr) * 1934-12-29
GB490750A (en) * 1937-02-19 1938-08-19 Leonard Young Electro-dynamic devices for interconverting electrical oscillations and sound waves
US2403535A (en) * 1944-03-18 1946-07-09 Texas Co Well sounding microphone

Also Published As

Publication number Publication date
US2490227A (en) 1949-12-06
GB552328A (en) 1943-04-01

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