Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 7 - Diaphragms for electromechanical transducers; Cones
Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
10/1998
10/07/1998CN1195461A Display screens incorporating loudspeakers
10/07/1998CN1195460A Greetings or like card
10/07/1998CN1195459A Panel-form loudspeakers
10/07/1998CN1195458A Panel-form loudspeakers
10/07/1998CN1195457A Loudspeakers made of panel-form acoustic radiating elements
10/07/1998CN1195456A Notice board with loudspeakers
10/07/1998CN1195455A Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
10/07/1998CN1195454A Acoustic device
10/01/1998WO1998043464A1 Personal computing devices comprising a resonant panel loudspeaker
10/01/1998WO1998042536A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
10/01/1998CA2286115A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
10/01/1998CA2284565A1 Personal computing devices comprising a resonant panel loudspeaker
09/1998
09/30/1998CN1194767A Inertial vibrative transducer
09/30/1998CN1194766A Inertial vibrative transducer
09/30/1998CN1194765A Vibrative transducer
09/30/1998CN1194764A Portable optic disk player
09/30/1998CN1194763A Musical instrument incorporating loudspeakers
09/30/1998CN1194762A Image display incorporating loudspeakers
09/30/1998CN1194761A Loudspeakers comprising panel-form acoustic radiating element
09/30/1998CN1194760A Loudspeakers comprising panel-form acoustic radiating elements
09/23/1998EP0865713A1 Sound reproduction device or microphone
09/23/1998CN1194086A 个人计算机 PC
09/23/1998CN1194085A Louds peakers with panel acoustic radiation elements
09/17/1998WO1998041055A2 Loudspeaker and method for producing the same
09/16/1998EP0707782B1 Planar electromagnetic transducer
09/11/1998WO1998039947A1 Acoustic device
09/11/1998CA2283381A1 Acoustic device
09/01/1998US5802196 Speaker for radiating sound waves in all directions relative to a speaker supporting surface
08/1998
08/26/1998EP0860094A1 Central or circumferential suspension for the moving assembly of a moving-coil loudspeaker
08/18/1998US5796854 Thin film speaker apparatus for use in a thin film video monitor device
08/18/1998US5796054 Loudspeaker diaphragm
08/11/1998US5793877 System for radiating sound from a movable member
08/11/1998US5793002 Loudspeaker vibrating diaphragm and methods for its production
08/06/1998WO1998034320A2 Electro-dynamic inertial vibration exciter
08/06/1998CA2279602A1 Electro-dynamic exciter
07/1998
07/16/1998WO1998031188A1 Loudspeakers
07/16/1998DE19754888A1 Audio system loudspeaker cone and diaphragm arrangement
07/16/1998CA2274007A1 Loudspeakers
07/14/1998CA2028171C Diaphragm and method for producing same
07/02/1998WO1998028942A1 Electroacoustic transducers comprising vibrating panels
07/02/1998CA2273025A1 Electroacoustic transducers comprising vibrating panels
07/01/1998EP0851710A1 Electroacoustic transducer
06/1998
06/18/1998WO1998026632A1 Electrodynamic transducer
06/18/1998WO1998026630A1 Panel-form loudspeaker
06/17/1998EP0847678A1 Panel-form microphones
06/17/1998EP0847677A1 Inertial vibration transducers
06/17/1998EP0847676A1 Inertial vibration transducers
06/17/1998EP0847675A1 Vibration transducers
06/17/1998EP0847674A2 Musical instruments incorporating loudspeakers
06/17/1998EP0847673A2 Display screens incorporating loudspeakers
06/17/1998EP0847672A2 Packaging
06/17/1998EP0847671A2 Personal computers
06/17/1998EP0847670A1 Display screens incorporating loudspeakers
06/17/1998EP0847669A2 Visual display means incorporating loudspeakers
06/17/1998EP0847668A1 Loudspeakers with panel-form acoustic radiating elements
06/17/1998EP0847667A1 Noticeboards incorporating loudspeakers
06/17/1998EP0847666A1 Panel-form loudspeakers
06/17/1998EP0847665A1 Panel-form loudspeakers
06/17/1998EP0847664A2 Loudspeakers comprising panel-form acoustic radiating elements
06/17/1998EP0847663A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
06/17/1998EP0847662A1 Loudspeakers comprising panel-form acoustic radiating elements
06/17/1998EP0847661A2 Acoustic device
06/17/1998EP0847660A2 Greetings or the like card
06/17/1998EP0847659A1 Loudspeakers comprising panel-form acoustic radiating elements
06/17/1998EP0847567A1 A vending machine
06/10/1998DE19651033A1 Elektrodynamischer Wandler An electrodynamic transducer
05/1998
05/27/1998EP0843949A1 Electrodynamic loudspeaker and system comprising the loudspeaker
05/14/1998WO1998002016A3 Loudspeaker drive unit
05/05/1998US5748759 Loud speaker structure
04/1998
04/29/1998EP0838125A1 Device for electroacoustic diffusion, with diaphragms, spiders and horns of balsa wood or mixtures thereof
04/28/1998US5744761 Diaphragm-edge integral moldings for speakers and acoustic transducers comprising same
04/22/1998CN1179691A Non-flat cone
04/15/1998EP0836362A2 Loudspeaker
04/14/1998US5740264 Miniature electroacoustic transducer
04/02/1998WO1998013942A1 Vehicular loudspeaker system
03/1998
03/31/1998US5734132 Concentric tube suspension system for loudspeakers
03/17/1998US5729616 Centering diaphragm
02/1998
02/24/1998US5721786 Loudspeakers
02/17/1998US5719946 Loudspeaker for higher audio frequencies and a manufacturing method thereof
02/11/1998EP0823828A2 Speaker and speaker system employing the same
02/03/1998US5714722 Loudspeaker
01/1998
01/28/1998CN1171407A Flexible polyurethane foam
01/15/1998WO1998002016A2 Loudspeaker drive unit
01/06/1998US5705108 Method for making edge for loudspeaker diaphragm
12/1997
12/31/1997CN2271786Y Loudspeaker cone
12/29/1997EP0814637A2 Method for producing a diaphragm for an electroacoustic transducer
12/24/1997CN2271227Y Diaphragm of loudspeaker
12/23/1997US5701359 Audio speaker system to produce sound in response to varying audio signals
12/17/1997CN1168073A Double cone loudspeaker
12/10/1997EP0812124A2 Piezoelectric speaker
12/04/1997WO1997046046A1 Electrodynamic loudspeaker and system comprising the loudspeaker
12/03/1997EP0810811A2 Speaker
12/02/1997US5693917 Planar diaphragm loudspeaker
11/1997
11/18/1997US5689093 Cone of a speaker
11/12/1997EP0806442A1 Flexible polyurethane foam
11/11/1997US5687247 Surround for a loudspeaker
11/06/1997DE19715127A1 Polyolefin membrane material for loudspeakers used in stereo or hi-fi systems
10/1997
10/30/1997DE19705758A1 Production of loudspeaker cones especially, in asymmetrically-cellular plastic
10/29/1997CN1163550A Paper cone for loudspeaker
10/28/1997US5682436 Multipoint driving loudspeaker having repulsion magnetic-type driving unit
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