[go: up one dir, main page]

DE59105234D1 - Dual coil speaker. - Google Patents

Dual coil speaker.

Info

Publication number
DE59105234D1
DE59105234D1 DE59105234T DE59105234T DE59105234D1 DE 59105234 D1 DE59105234 D1 DE 59105234D1 DE 59105234 T DE59105234 T DE 59105234T DE 59105234 T DE59105234 T DE 59105234T DE 59105234 D1 DE59105234 D1 DE 59105234D1
Authority
DE
Germany
Prior art keywords
dual coil
coil speaker
speaker
dual
coil
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 - Fee Related
Application number
DE59105234T
Other languages
German (de)
Inventor
Joerg Prokisch
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
Nokia Deutschland GmbH
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 Nokia Deutschland GmbH filed Critical Nokia Deutschland GmbH
Application granted granted Critical
Publication of DE59105234D1 publication Critical patent/DE59105234D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R9/041—Centering
    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

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)
  • Circuit For Audible Band Transducer (AREA)
DE59105234T 1990-08-13 1991-07-20 Dual coil speaker. Expired - Fee Related DE59105234D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4025591A DE4025591A1 (en) 1990-08-13 1990-08-13 DOUBLE COIL SPEAKER

Publications (1)

Publication Number Publication Date
DE59105234D1 true DE59105234D1 (en) 1995-05-24

Family

ID=6412140

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4025591A Withdrawn DE4025591A1 (en) 1990-08-13 1990-08-13 DOUBLE COIL SPEAKER
DE59105234T Expired - Fee Related DE59105234D1 (en) 1990-08-13 1991-07-20 Dual coil speaker.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4025591A Withdrawn DE4025591A1 (en) 1990-08-13 1990-08-13 DOUBLE COIL SPEAKER

Country Status (3)

Country Link
EP (1) EP0471990B1 (en)
JP (1) JPH04234300A (en)
DE (2) DE4025591A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19953119C2 (en) * 1999-11-04 2003-03-20 Harman Audio Electronic Sys Audio amplifier with a clocked power amplifier
FR2807262B1 (en) * 2000-04-03 2003-02-14 Sagem MOBILE PHONE WITH IMPROVED SPEAKER
KR20060102199A (en) * 2005-03-23 2006-09-27 주식회사 청음전자 speaker
US9838794B2 (en) 2013-04-26 2017-12-05 Sound Solutions International Co., Ltd. Double coil speaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6609729A (en) * 1965-07-16 1967-01-17
US4088847A (en) * 1975-12-11 1978-05-09 Matsushita Electric Industrial Co., Ltd. Speaker voice coil construction
DE3208409A1 (en) * 1982-03-09 1983-09-15 Hagenuk GmbH, 2300 Kiel Dynamic sound transducer
US4897877A (en) * 1987-05-18 1990-01-30 Oxford Speaker Company Sub-woofer driver combination with dual voice coil arrangement

Also Published As

Publication number Publication date
EP0471990A3 (en) 1992-08-19
DE4025591A1 (en) 1992-02-20
EP0471990B1 (en) 1995-04-19
EP0471990A2 (en) 1992-02-26
JPH04234300A (en) 1992-08-21

Similar Documents

Publication Publication Date Title
FI910508A0 (en) TRIAZOL ANTIFUNGALA AEMNEN.
FI915848A7 (en) GENOM INHALERING AKTIVERBAR DOSERINGSANORDNING.
FI921953A0 (en) MAGNETIC TAETNING.
DE69110530D1 (en) Speaker system.
KR910016088U (en) speaker
DE69120986D1 (en) Coil arrangement
FI913193A0 (en) MAGNETIC INSPELNINGS- OCH AOTERGIVNINGSANORDNING.
DE69203460D1 (en) Speaker.
DE59108579D1 (en) Quatrature coil arrangement
DE69111683D1 (en) Speaker system.
DE59105772D1 (en) Selection magnet.
FI906123L (en) NOW UTTRYCKNINGSSYSTEM FOER SVAMPAR.
DE59105234D1 (en) Dual coil speaker.
DE69109709D1 (en) Coil arrangement.
DE59009023D1 (en) Bobbin.
FI900520A0 (en) STERILIZATIONSFOERFARANDE OCH -ANORDNING.
DK0714590T3 (en) Speaker.
FI913306A7 (en) VOICE UNIT.
DE69011106D1 (en) Coil element.
ES1019566Y (en) MUNECO TALKING.
NL192947B (en) Loudspeaker cabinet.
FI900377A0 (en) TRALLKONSTRUKTION.
FI911906A0 (en) Microphone.
IT9018003V0 (en) SELF-LOCKING - A.R.B
IT9016501A0 (en) SELF-BLOCKING - A.R.B.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee