GB1299124A - Electro-acoustic transducer - Google Patents

Electro-acoustic transducer

Info

Publication number
GB1299124A
GB1299124A GB2197/70A GB219770A GB1299124A GB 1299124 A GB1299124 A GB 1299124A GB 2197/70 A GB2197/70 A GB 2197/70A GB 219770 A GB219770 A GB 219770A GB 1299124 A GB1299124 A GB 1299124A
Authority
GB
United Kingdom
Prior art keywords
sleeve
pole plate
plate
pole
adhesive
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
GB2197/70A
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 Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1299124A publication Critical patent/GB1299124A/en
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)
GB2197/70A 1969-01-17 1970-01-16 Electro-acoustic transducer Expired GB1299124A (en)

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 (1)

Publication Number Publication Date
GB1299124A true GB1299124A (en) 1972-12-06

Family

ID=19805905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2197/70A Expired GB1299124A (en) 1969-01-17 1970-01-16 Electro-acoustic transducer

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2083672B1 (enrdf_load_stackoverflow) * 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
DE1512682C3 (de) * 1966-02-14 1974-11-21 Elektroakusztikai Gyar, Budapest Dynamisches Mikrophon mit Maßnahmen zur Frequenzgangkorrektur
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
NL164451B (nl) 1980-07-15
ES375506A1 (es) 1972-05-16
FR2028536B1 (enrdf_load_stackoverflow) 1974-09-20
BR7016138D0 (pt) 1973-02-27
CH512168A (de) 1971-08-31
US3851118A (en) 1974-11-26
AT310271B (de) 1973-09-25
FR2028536A1 (enrdf_load_stackoverflow) 1970-10-09
DE2001852B2 (de) 1976-07-29
BE744569A (fr) 1970-07-16
NL6900876A (enrdf_load_stackoverflow) 1970-07-21
NL164451C (nl) 1980-12-15
DE2001852A1 (de) 1970-07-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee