NL282929A - - Google Patents

Info

Publication number
NL282929A
NL282929A NL282929DA NL282929A NL 282929 A NL282929 A NL 282929A NL 282929D A NL282929D A NL 282929DA NL 282929 A NL282929 A NL 282929A
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 NL282929A publication Critical patent/NL282929A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/04—Microphones
NL282929D 1961-09-06 NL282929A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US136220A US3413424A (en) 1961-09-06 1961-09-06 Electro-acoustic transducer
US393619A US3249702A (en) 1961-09-06 1964-09-01 Transducer

Publications (1)

Publication Number Publication Date
NL282929A true NL282929A (en)

Family

ID=26834132

Family Applications (1)

Application Number Title Priority Date Filing Date
NL282929D NL282929A (en) 1961-09-06

Country Status (6)

Country Link
US (2) US3413424A (en)
CH (2) CH405430A (en)
DE (2) DE1240937B (en)
DK (1) DK114280B (en)
GB (2) GB969288A (en)
NL (1) NL282929A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432622A (en) * 1965-05-10 1969-03-11 Dyna Magnetic Devices Inc Sub-miniature sound transducers
US3935398A (en) * 1971-07-12 1976-01-27 Industrial Research Products, Inc. Transducer with improved armature and yoke construction
GB8928899D0 (en) * 1989-12-21 1990-02-28 Knowles Electronics Co Coil assemblies
US5299176A (en) * 1991-12-20 1994-03-29 Tibbetts Industries, Inc. Balanced armature transducers with transverse gap
NL1004669C2 (en) * 1996-12-02 1998-06-03 Microtronic Nederland Bv Transducer.
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
US7065224B2 (en) 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
US7072482B2 (en) 2002-09-06 2006-07-04 Sonion Nederland B.V. Microphone with improved sound inlet port
US8135163B2 (en) * 2007-08-30 2012-03-13 Klipsch Group, Inc. Balanced armature with acoustic low pass filter
US9872109B2 (en) 2014-12-17 2018-01-16 Knowles Electronics, Llc Shared coil receiver
WO2019014510A2 (en) * 2017-07-14 2019-01-17 Knowles Electronics, Llc Acoustic receiver and method of making same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2163161A (en) * 1937-05-20 1939-06-20 Control Instr Co Inc Magnetic unit
DE910906C (en) * 1942-03-26 1954-05-06 Siemens Ag Concentric magnet system for telephones or magnetic microphones
FR963909A (en) * 1947-06-06 1950-07-26
GB643518A (en) * 1947-08-19 1950-09-20 Wheeler Insulated Wire Company Improvements in or relating to transducers
NL81703C (en) * 1951-04-23
NL90444C (en) * 1954-07-21
FR1113468A (en) * 1954-11-03 1956-03-29 Electronique & Automatisme Sa Electromagnetic device
NL111663C (en) * 1956-10-11
US2994016A (en) * 1957-08-28 1961-07-25 Tibbetts Industries Magnetic translating device
US2927976A (en) * 1958-11-17 1960-03-08 Sonotone Corp Acoustic signal transducers
US2927977A (en) * 1958-11-17 1960-03-08 Sonotone Corp Acoustic signal transducers
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer

Also Published As

Publication number Publication date
CH405430A (en) 1966-01-15
GB984414A (en) 1965-02-24
CH414749A (en) 1966-06-15
US3413424A (en) 1968-11-26
GB969288A (en) 1964-09-09
DE1180415B (en) 1964-10-29
US3249702A (en) 1966-05-03
DK114280B (en) 1969-06-16
DE1240937B (en) 1967-05-24

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