NL251440A - - Google Patents

Info

Publication number
NL251440A
NL251440A NL251440DA NL251440A NL 251440 A NL251440 A NL 251440A NL 251440D A NL251440D A NL 251440DA NL 251440 A NL251440 A NL 251440A
Authority
NL
Netherlands
Application number
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.)
Publication of NL251440A publication Critical patent/NL251440A/xx

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)
NL251440D 1960-05-10 NL251440A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL3129298X 1960-05-10

Publications (1)

Publication Number Publication Date
NL251440A true NL251440A (enrdf_load_stackoverflow)

Family

ID=19877136

Family Applications (2)

Application Number Title Priority Date Filing Date
NL112264D NL112264C (enrdf_load_stackoverflow) 1960-05-10
NL251440D NL251440A (enrdf_load_stackoverflow) 1960-05-10

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL112264D NL112264C (enrdf_load_stackoverflow) 1960-05-10

Country Status (3)

Country Link
US (1) US3129298A (enrdf_load_stackoverflow)
DE (1) DE1180416B (enrdf_load_stackoverflow)
NL (2) NL251440A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783311A (en) * 1970-12-19 1974-01-01 Coral Audio Corp Magnetic device for use in acoustic apparatus
JPH09238395A (ja) * 1996-02-29 1997-09-09 Sony Corp スピーカ装置
GB0223654D0 (en) * 2002-10-10 2002-11-20 New Transducers Ltd Electromagnetic actuator
US20040105568A1 (en) * 2002-12-03 2004-06-03 Po-Hsiung Lee Speaker with enhanced magnetic flux
KR100547357B1 (ko) * 2004-03-30 2006-01-26 삼성전기주식회사 휴대단말기용 스피커 및 그 제조방법
US8340336B1 (en) * 2006-01-25 2012-12-25 At&T Mobility Ii Llc Magnetic coupling enhanced speaker assembly
US8649550B2 (en) * 2011-01-06 2014-02-11 Aac Acoustic Technologies (Shenzhen) Co., Ltd. Multi-magnet system and speaker using same
EP2521375B1 (en) * 2011-05-03 2014-04-16 Knowles Electronics Asia PTE. Ltd. Loudspeaker with port comprising a particle filter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1986656A (en) * 1932-10-20 1935-01-01 Bell Telephone Labor Inc Sealed joint and method of making same
US2085721A (en) * 1932-10-29 1937-06-29 Rca Corp Sound translating device
US2186576A (en) * 1936-04-17 1940-01-09 Cinaudagraph Corp Reproducer
US2256689A (en) * 1939-06-17 1941-09-23 Quam Nichols Company Air gap shield for loud-speakers
US2498825A (en) * 1943-09-15 1950-02-28 Hartford Nat Bank & Trust Comp Moving coil transducer and enclosure
FR920048A (fr) * 1946-01-15 1947-03-25 Haut-parleur à encombrement réduit
US2566604A (en) * 1948-03-16 1951-09-04 William C Eaves Electrodynamic loud-speaker assembly
AT168820B (de) * 1950-02-04 1951-08-25 Boris Dipl Ing Koleff Elektroakustischer Wandler
USRE26030E (en) * 1956-02-28 1966-05-24 Dynamic transducer

Also Published As

Publication number Publication date
DE1180416B (de) 1964-10-29
NL112264C (enrdf_load_stackoverflow)
US3129298A (en) 1964-04-14

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