FR2028536B1 - - Google Patents

Info

Publication number
FR2028536B1
FR2028536B1 FR7001568A FR7001568A FR2028536B1 FR 2028536 B1 FR2028536 B1 FR 2028536B1 FR 7001568 A FR7001568 A FR 7001568A FR 7001568 A FR7001568 A FR 7001568A FR 2028536 B1 FR2028536 B1 FR 2028536B1
Authority
FR
France
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
FR7001568A
Other versions
FR2028536A1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2028536A1 publication Critical patent/FR2028536A1/fr
Application granted granted Critical
Publication of FR2028536B1 publication Critical patent/FR2028536B1/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR7001568A 1969-01-17 1970-01-16 Expired FR2028536B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6900876.A NL164451C (nl) 1969-01-17 1969-01-17 Inrichting voor het omzetten van akoestische in elektrische trillingen en andersom, voorzien van een magneetsysteem en een niet-magnetisch centreerorgaan.

Publications (2)

Publication Number Publication Date
FR2028536A1 FR2028536A1 (fr) 1970-10-09
FR2028536B1 true FR2028536B1 (fr) 1974-09-20

Family

ID=19805905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7001568A Expired FR2028536B1 (fr) 1969-01-17 1970-01-16

Country Status (9)

Country Link
US (1) US3851118A (fr)
AT (1) AT310271B (fr)
BE (1) BE744569A (fr)
BR (1) BR7016138D0 (fr)
CH (1) CH512168A (fr)
ES (1) ES375506A1 (fr)
FR (1) FR2028536B1 (fr)
GB (1) GB1299124A (fr)
NL (1) NL164451C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2083672B1 (fr) * 1970-03-31 1973-10-19 Senzaki Seisakusho Kk
US4205205A (en) * 1978-06-12 1980-05-27 Babbco, Ltd. Dynamic loudspeaker having magnetic assembly adhesively bonded within a surrounding basket
US4507800A (en) * 1982-01-06 1985-03-26 Analog & Digital Systems, Inc. Enclosed magnet loudspeaker
US6289106B1 (en) * 1997-08-08 2001-09-11 Hong Long Industrial Co., Ltd. Cap and center pole apparatus and method of coupling

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR872894A (fr) * 1940-06-07 1942-06-22 Henry Heinrich & Co Appareil électroacoustique pour l'enregistrement ou pour la reproduction des vibrations sonores
DE856614C (de) * 1940-12-31 1952-11-24 Guenther Wurdel Elektrodynamische Hoererkapsel
CH265675A (de) * 1946-10-21 1949-12-15 Ericsson Telefon Ab L M Elektrodynamische Anordnung zur Umwandlung von Schallschwingungen in elektrische Schwingungen oder umgekehrt.
DE1183134B (de) * 1961-12-08 1964-12-10 Heinrich Peiker Mikrophon
CH407233A (de) * 1963-12-14 1966-02-15 Peiker Heinrich Elektroakustischer Wandler
US3354541A (en) * 1965-06-04 1967-11-28 Gen Motors Corp Loudspeaker magnet structure and method of assembling same
US3453400A (en) * 1965-12-08 1969-07-01 Aldo L Coen Field structure for magnetic loudspeaker and methods of manufacture
AT274916B (de) * 1966-02-14 1969-10-10 Elektroakusztikai Gyar Dynamisches Mikrophon
FR1541496A (fr) * 1966-10-22 1968-10-04 Philips Nv Microphone électrodynamique présentant une caractéristique directionnelle en forme de cardioïde
US3524027A (en) * 1967-05-04 1970-08-11 Rolen Diversified Investors In Sound transducer with wall mounted diaphragm
AT294211B (de) * 1967-06-10 1971-11-10 Elektroakusztikai Gyar Dynamischer Schwingspulenwandler, insbesondere Mikrophon oder Höher

Also Published As

Publication number Publication date
CH512168A (de) 1971-08-31
BE744569A (fr) 1970-07-16
NL164451C (nl) 1980-12-15
ES375506A1 (es) 1972-05-16
NL6900876A (fr) 1970-07-21
FR2028536A1 (fr) 1970-10-09
NL164451B (nl) 1980-07-15
AT310271B (de) 1973-09-25
US3851118A (en) 1974-11-26
BR7016138D0 (pt) 1973-02-27
DE2001852B2 (de) 1976-07-29
DE2001852A1 (de) 1970-07-30
GB1299124A (en) 1972-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse