DE3213819A1 - Sprechkapsel fuer telefonapparate - Google Patents

Sprechkapsel fuer telefonapparate

Info

Publication number
DE3213819A1
DE3213819A1 DE19823213819 DE3213819A DE3213819A1 DE 3213819 A1 DE3213819 A1 DE 3213819A1 DE 19823213819 DE19823213819 DE 19823213819 DE 3213819 A DE3213819 A DE 3213819A DE 3213819 A1 DE3213819 A1 DE 3213819A1
Authority
DE
Germany
Prior art keywords
capsule according
amplifier
voice coil
housing
speaking
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.)
Granted
Application number
DE19823213819
Other languages
German (de)
English (en)
Other versions
DE3213819C2 (cs
Inventor
Thomas 8440 Straubing Hommel
Ulrich 8351 Oberwinkling Kizak
Leonhard Dipl.-Phys. 8057 Eching Kreitmeier
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.)
Nokia Deutschland GmbH
Original Assignee
Standard Elektrik Lorenz AG
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 Standard Elektrik Lorenz AG filed Critical Standard Elektrik Lorenz AG
Priority to DE19823213819 priority Critical patent/DE3213819A1/de
Publication of DE3213819A1 publication Critical patent/DE3213819A1/de
Application granted granted Critical
Publication of DE3213819C2 publication Critical patent/DE3213819C2/de
Granted 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Telephone Set Structure (AREA)
DE19823213819 1982-04-15 1982-04-15 Sprechkapsel fuer telefonapparate Granted DE3213819A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823213819 DE3213819A1 (de) 1982-04-15 1982-04-15 Sprechkapsel fuer telefonapparate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823213819 DE3213819A1 (de) 1982-04-15 1982-04-15 Sprechkapsel fuer telefonapparate

Publications (2)

Publication Number Publication Date
DE3213819A1 true DE3213819A1 (de) 1983-10-27
DE3213819C2 DE3213819C2 (cs) 1989-05-03

Family

ID=6160943

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823213819 Granted DE3213819A1 (de) 1982-04-15 1982-04-15 Sprechkapsel fuer telefonapparate

Country Status (1)

Country Link
DE (1) DE3213819A1 (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510346A1 (de) * 1985-03-22 1986-10-02 Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen Dynamischer, akustischer wandler
WO1999039543A1 (en) * 1998-01-29 1999-08-05 Emf Acoustics Oy Ltd. Vibration transducer unit
WO2004014104A3 (en) * 2002-07-31 2004-07-22 Koninkl Philips Electronics Nv Electroacoustic transducer with built in transducer circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2927925A1 (de) * 1979-07-11 1981-01-22 Telefonbau & Normalzeit Gmbh Elektrodynamischer wandler insbesondere fuer fernsprechapparate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2927925A1 (de) * 1979-07-11 1981-01-22 Telefonbau & Normalzeit Gmbh Elektrodynamischer wandler insbesondere fuer fernsprechapparate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Der Fernmelde-Ingenieur, 26.Jg., H.3, 15.3.1972 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510346A1 (de) * 1985-03-22 1986-10-02 Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen Dynamischer, akustischer wandler
WO1999039543A1 (en) * 1998-01-29 1999-08-05 Emf Acoustics Oy Ltd. Vibration transducer unit
US6336367B1 (en) 1998-01-29 2002-01-08 B-Band Oy Vibration transducer unit
WO2004014104A3 (en) * 2002-07-31 2004-07-22 Koninkl Philips Electronics Nv Electroacoustic transducer with built in transducer circuit
CN100546408C (zh) * 2002-07-31 2009-09-30 Nxp股份有限公司 带有内置式变换器电路的电声变换器

Also Published As

Publication number Publication date
DE3213819C2 (cs) 1989-05-03

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: NOKIA GRAETZ GMBH, 7530 PFORZHEIM, DE

D2 Grant after examination
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: NOKIA UNTERHALTUNGSELEKTRONIK (DEUTSCHLAND) GMBH,

8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: NOKIA (DEUTSCHLAND) GMBH, 7530 PFORZHEIM, DE

8339 Ceased/non-payment of the annual fee