Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 1 - Details of transducers
Patents for H04R 1 - Details of transducers (42,173)
11/1995
11/15/1995EP0682460A2 Quick connection for loudspeakers
11/15/1995EP0682436A2 Voice actuated switching system
11/15/1995EP0681688A1 Ultrasonic pest control device and method for constructing the same
11/15/1995EP0545941B1 An ear protector
11/14/1995US5467323 Electroacoustic transducer
11/14/1995US5466575 Process for the manufacture of wholly microfabricated biosensors
11/09/1995WO1995030320A1 Concha headset stabilizer
11/09/1995WO1995030221A1 Industrial headset
11/09/1995WO1995029632A1 Headset for electronic stethoscope
11/08/1995EP0681410A2 Single diaphragm second order differential microphone assembly
11/05/1995CA2146688A1 Microphone/loudspeakers and systems using multiple microphone/loudspeakers
11/02/1995WO1995029479A1 Methods and apparatus for adaptive beamforming
11/02/1995WO1995029478A1 Process and device for tracing an ultrasound field
11/02/1995EP0680241A1 Assembly protection for loudspeakers
11/02/1995EP0680031A2 Acoustic damping element
11/02/1995CA2188539A1 Process and device for tracing an ultrasound field
10/1995
10/31/1995US5463694 Gradient directional microphone system and method therefor
10/25/1995EP0679044A2 Noise-canceling differential microphone assembly
10/25/1995EP0527963B1 Loading of flextensional transducer shells
10/24/1995US5461676 Device for improving bass reproduction in loudspeaker system with closed housings
10/24/1995US5461193 Sound pick-up for resonant bodies
10/19/1995WO1995028065A1 A modular tweeter
10/19/1995WO1995028064A1 A loudspeaker
10/18/1995CN2210503Y Combination type low pitch improved sound box
10/18/1995CN2210502Y Telephone branch wire casing of blocking connection type
10/18/1995CN2210501Y Open and close type mouthpiece for interview
10/17/1995US5459290 Acoustic transducer and acoustic transducing system
10/12/1995WO1995027386A1 Horn driver
10/12/1995WO1995027323A1 Elastomeric connector
10/12/1995CA2187119A1 Elastomeric connector
10/10/1995US5457751 Ergonomic headset
10/05/1995EP0696155A4 Method and acoustic system for sonification of enclosed and open spaces
10/04/1995EP0675666A1 Karaoke microphone
10/04/1995CN2209415Y Simple sanitary microphone cover
10/03/1995USRE35051 Combination multiple supported variable position audio intake control devices
10/03/1995US5455869 Lavalier microphone assembly
10/03/1995US5455842 Method and apparatus for underwater communication
09/1995
09/28/1995WO1995026117A1 Audio device
09/28/1995WO1995026102A1 Audio-visual arrangement and system in which such an arrangement is used
09/28/1995WO1995025570A1 Audio-visual radiation system
09/27/1995EP0673587A1 An ear microphone for insertion in the ear in connection with portable telephones or radios.
09/27/1995EP0553325B1 Probe for measuring acoustic fields of high intensity
09/27/1995EP0464220B1 Earphone device
09/27/1995CN1109196A Perforated acoustical attenuators
09/26/1995US5454042 Audio-video source boom support assembly having improved articulation capability
09/20/1995EP0672331A1 Loudspeaker with a diaphragm having an air conduit
09/20/1995EP0672286A1 A head mounted display system
09/20/1995CN1108857A Loudspeakers
09/19/1995US5452365 Method and apparatus for mounting a speaker within a radio
09/19/1995US5452363 Direction sensing microphone system using time differential
09/19/1995US5452025 Television set with sound-reflecting sidewalls
09/19/1995US5451726 Omnidirectional speaker system
09/14/1995WO1995024816A1 Anti-viral acoustically transparent earphone cover
09/14/1995WO1995024157A1 Low profile intravascular ultrasound imaging transducer
09/14/1995DE4407027A1 Mounting device for loudspeaker, fan or smoke alarm
09/14/1995DE19505563A1 Device incorporating microphone
09/13/1995EP0671862A1 A bifunctional earphone set
09/13/1995EP0671115A1 Method for the securing of an electro-acoustic device on or in the human ear and electro-acoustic device for use in the method
09/13/1995EP0671113A1 Microphone mounting device
09/12/1995US5450499 Audio speaker for use in an external magnetic field
09/12/1995US5450496 Communications headset having a detachable receiver capsule and cable pivot
09/12/1995US5450495 Loudspeaker system
09/12/1995US5449865 Ear tips having molded-in recesses for attachment to a stethoscope
09/12/1995US5449138 Convertible boom stand
09/08/1995WO1995024109A1 In-pipe microphone system for active noise cancellation
09/07/1995DE19507296A1 Loudspeaker with divided housing
09/06/1995CN2207044Y Cover type speaker
09/06/1995CN2207043Y Ozone disinfect apparatus for microphone
09/06/1995CN2207042Y Moving combined speciality audio
09/06/1995CN1108022A Disinfective hygienic towl for telephone and its producing method
09/05/1995US5448647 Electric apparatus having speaker
09/05/1995US5448637 Two-way communications earset
09/05/1995US5448495 Multifunctional frame assembly with fan and speaker for a personal computer
08/1995
08/30/1995EP0669783A1 Rotomolded speaker enclosure
08/30/1995EP0669782A2 Speaker system and its support legs
08/30/1995EP0669781A1 Speaker system
08/30/1995EP0669169A2 Wave-receiving piezoelectric device
08/29/1995US5446793 Method of improving the quality of sound reproduction and apparatus for carrying at least one loudspeaker emitting in three directions
08/29/1995US5446792 Reflection-type speaker apparatus
08/29/1995CA2143565A1 Rotomolded speaker enclosure
08/24/1995WO1995022877A1 Molded housing with integral acoustic chamber and anti-rattle printed circuit board supports
08/23/1995CN2206018Y Earphone cord coiler
08/23/1995CN1107270A Double-brake water wave type resonant plate
08/22/1995US5444790 Microphone windscreen mounting
08/22/1995US5444194 Decorative speaker enclosure
08/17/1995WO1995022015A1 Vibration damping device
08/16/1995EP0667730A1 Electrodynamic transducer of polar type with vibratory body
08/16/1995EP0667111A1 Rotating display for articles, especially for loudspeaker boxes
08/15/1995US5442713 Microphone packaging scheme
08/15/1995US5442710 Body-felt sound unit and vibration transmitting method therefor
08/10/1995WO1995021512A1 Water submersible microphone
08/10/1995DE19502736A1 Loud speaker fixing apparatus
08/08/1995US5440646 Molded housing with integral acoustic chamber and anti-rattle printed circuit board supports
08/08/1995US5440645 Computer speaker
08/02/1995EP0665704A1 Improvement to sound reproduction devices and acoustic enclosures for omnidirectional radiation
08/02/1995EP0664942A1 Hearing aid microphone with modified high-frequency response.
08/02/1995CN1106184A Bidirection rotary sound device
08/02/1995CN1106183A Speaker system with an anion generator and television using the speaker system
08/01/1995US5438698 Wearable audio reception device
08/01/1995US5438626 Collapsible hearing device
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