DK137820C - - Google Patents

Info

Publication number
DK137820C
DK137820C DK292772A DK292772A DK137820C DK 137820 C DK137820 C DK 137820C DK 292772 A DK292772 A DK 292772A DK 292772 A DK292772 A DK 292772A DK 137820 C DK137820 C DK 137820C
Authority
DK
Denmark
Application number
DK292772A
Other languages
Danish (da)
Other versions
DK137820B (en
Inventor
J J Bertagni
Original Assignee
J J Bertagni
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 J J Bertagni filed Critical J J Bertagni
Publication of DK137820B publication Critical patent/DK137820B/en
Application granted granted Critical
Publication of DK137820C publication Critical patent/DK137820C/da

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
    • H04R9/06—Loudspeakers
    • H04R9/066—Loudspeakers using the principle of inertia
    • 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
    • H04R9/022—Cooling arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DK292772AA 1971-06-16 1972-06-12 Electroacoustic converter. DK137820B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AR23622071 1971-06-16

Publications (2)

Publication Number Publication Date
DK137820B DK137820B (en) 1978-05-08
DK137820C true DK137820C (en) 1978-10-09

Family

ID=3462012

Family Applications (1)

Application Number Title Priority Date Filing Date
DK292772AA DK137820B (en) 1971-06-16 1972-06-12 Electroacoustic converter.

Country Status (6)

Country Link
US (1) US3801943A (en)
JP (1) JPS5514600B1 (en)
DE (1) DE2229239A1 (en)
DK (1) DK137820B (en)
FR (1) FR2141983B3 (en)
NL (1) NL7208047A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013846A (en) * 1975-08-28 1977-03-22 Minnesota Mining And Manufacturing Company Piston loudspeaker
AR214446A1 (en) * 1978-04-05 1979-06-15 Bertagni J MOUNTING A SUBSTANTIALLY FLAT DIAPHRAGM DEFINING A SOUND TRANSDUCER
DE3036876C2 (en) * 1979-10-02 1983-09-08 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Loudspeaker with a membrane and a voice coil former
CH645227A5 (en) * 1981-12-22 1984-09-14 Multiphonie Sa ELECTRO-ACOUSTIC TRANSDUCER.
US4635287A (en) * 1983-10-19 1987-01-06 Mutsuo Hirano Audio-frequency electromechanical vibrator
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
US4997058A (en) * 1989-10-02 1991-03-05 Bertagni Jose J Sound transducer
US5425107A (en) * 1992-04-09 1995-06-13 Bertagni Electronic Sound Transducers, International Corporation Planar-type loudspeaker with dual density diaphragm
EP0729628A4 (en) * 1993-11-18 1999-06-16 Sound Advance Syst Inc Improved planar diaphragm loudspeaker
US5991424A (en) * 1995-04-28 1999-11-23 Sound Advance Systems, Inc. Planar diaphragm speaker with heat dissipator
KR100419334B1 (en) * 1995-09-02 2004-05-31 뉴 트랜스듀서스 리미티드 Sound system
CN1164144C (en) * 1995-09-02 2004-08-25 新型转换器有限公司 Inertial vibrative transducer
US6003766A (en) 1995-09-02 1999-12-21 New Transducers Limited Vending machine
US6618487B1 (en) 1996-09-03 2003-09-09 New Transducers Limited Electro-dynamic exciter
GB9701983D0 (en) * 1997-01-31 1997-03-19 New Transducers Ltd Electro-dynamic exciter
JP3569413B2 (en) * 1997-03-25 2004-09-22 パイオニア株式会社 Speaker device and method of manufacturing speaker device
GB9714050D0 (en) * 1997-07-03 1997-09-10 New Transducers Ltd Panel-form loudspeakers
DE19821860A1 (en) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Driver for flat panel loudspeaker
US6574347B1 (en) * 2000-11-17 2003-06-03 Logitech Europe S.A. Flat-panel loudspeaker with compressed dampeners
JP4604415B2 (en) * 2001-07-19 2011-01-05 パナソニック株式会社 Speaker
US20030031324A1 (en) * 2001-08-07 2003-02-13 Richard Lukacovic Solenoid for an electrolarynx
US7180489B2 (en) * 2002-02-06 2007-02-20 Andersen Corporation Automated multi-task window assembly
US7109959B2 (en) 2002-02-06 2006-09-19 Andersen Corporation Multi-task window
US6929091B2 (en) * 2002-10-28 2005-08-16 Sound Advance Systems, Inc. Planar diaphragm loudspeaker and related methods
JP2004325908A (en) * 2003-04-25 2004-11-18 Yamaha Corp Sound collecting device of percussion instrument
GB0611533D0 (en) * 2006-06-10 2006-07-19 Univ Warwick A non-contact method to measure fill level and content in metallic containers
EP3170317B1 (en) 2014-07-16 2020-04-08 Traxxas LP On-board audio system for a model vehicle
USD834111S1 (en) 2014-10-01 2018-11-20 Traxxas Lp Transducer mount

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252846A (en) * 1938-09-30 1941-08-19 Associated Electric Lab Inc Acoustic device
BE469578A (en) * 1945-11-30
DE1073545B (en) * 1953-06-02 1960-01-21 Akustische u Kino Gerate Ges mbH, Wien Dynamic directional microphone
US3329777A (en) * 1963-05-24 1967-07-04 Plastic Mold & Engineering Co Dynamic ear phone
US3567870A (en) * 1968-07-25 1971-03-02 Harold D Linden Wall surface transducer system

Also Published As

Publication number Publication date
FR2141983A1 (en) 1973-01-26
NL7208047A (en) 1972-12-19
DE2229239A1 (en) 1972-12-21
JPS5514600B1 (en) 1980-04-17
FR2141983B3 (en) 1975-08-08
DK137820B (en) 1978-05-08
US3801943A (en) 1974-04-02

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Legal Events

Date Code Title Description
PBP Patent lapsed