DE3273600D1 - Electrodynamic transducer - Google Patents

Electrodynamic transducer

Info

Publication number
DE3273600D1
DE3273600D1 DE8282111252T DE3273600T DE3273600D1 DE 3273600 D1 DE3273600 D1 DE 3273600D1 DE 8282111252 T DE8282111252 T DE 8282111252T DE 3273600 T DE3273600 T DE 3273600T DE 3273600 D1 DE3273600 D1 DE 3273600D1
Authority
DE
Germany
Prior art keywords
electrodynamic transducer
electrodynamic
transducer
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
DE8282111252T
Other languages
German (de)
English (en)
Inventor
Kai Borge Hansen
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.)
Pulse HVT ApS
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of DE3273600D1 publication Critical patent/DE3273600D1/de
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
    • H04R9/10—Telephone receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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 

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE8282111252T 1981-12-10 1982-12-04 Electrodynamic transducer Expired DE3273600D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK547381A DK148550C (da) 1981-12-10 1981-12-10 Elektrodynamisk transducer med bevaegelig spole

Publications (1)

Publication Number Publication Date
DE3273600D1 true DE3273600D1 (en) 1986-11-06

Family

ID=8142738

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282111252T Expired DE3273600D1 (en) 1981-12-10 1982-12-04 Electrodynamic transducer

Country Status (5)

Country Link
EP (1) EP0081780B1 (da)
AU (1) AU556443B2 (da)
DE (1) DE3273600D1 (da)
DK (1) DK148550C (da)
NZ (1) NZ202625A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530869A1 (de) * 1985-08-29 1987-03-12 Sennheiser Electronic Membran fuer einen elektroakustischen wiedergabewandler
DK164621C (da) * 1989-10-09 1992-12-07 Kirk Acoustics As Elektrodynamisk transducer
US9271067B2 (en) 2011-02-25 2016-02-23 Nokia Technologies Oy Transducer apparatus having a mechanical acoustic filter with movable blocking member

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR34820E (da) * 1925-01-09 1927-10-21
DE864269C (de) * 1948-10-31 1953-01-22 Charlotte Thomson Elektrodynamische Schwingspule mit Selbstkuehlung
NL111663C (da) * 1956-10-11
BE562680A (da) * 1956-11-26
DE1230858B (de) * 1960-06-22 1966-12-22 Siemens Ag Membran fuer einen elektroakustischen Wandler
DE1762676A1 (de) * 1968-08-02 1970-07-02 Peerles Mb Gmbh Feinmechanik U Membran fuer Mikrofonsystem mit Kugelcharakteristik oder Lautsprechersystem
DE2322475C2 (de) * 1972-02-09 1981-10-08 Fernsprech- Und Signalbau Lehner & Co Kg, 4300 Essen Elektroakustischer Wandler, insbesondere für Sprech- und Hörkapseln von Fernsprechapparaten

Also Published As

Publication number Publication date
AU9113282A (en) 1983-06-16
NZ202625A (en) 1985-08-16
DK148550C (da) 1986-04-21
DK148550B (da) 1985-07-29
EP0081780A1 (de) 1983-06-22
EP0081780B1 (de) 1986-10-01
DK547381A (da) 1983-06-11
AU556443B2 (en) 1986-11-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL N.V., AMSTERDAM, NL

8328 Change in the person/name/address of the agent

Free format text: THIELE, D., DIPL.-ING., 7000 STUTTGART

8128 New person/name/address of the agent

Representative=s name: MEISSNER, P., DIPL.-ING. PRESTING, H., DIPL.-ING.,

8327 Change in the person/name/address of the patent owner

Owner name: KIRK ACOUSTICS A/S, HORSENS, DK

8339 Ceased/non-payment of the annual fee