| Patents for H04R 25 - Deaf-aid sets (22,418) |
|---|
| 01/06/1994 | WO1994000961A1 Water-resistant transducer housing with hydrophobic vent |
| 01/05/1994 | EP0577441A2 Apparatus for analyzing speech and acoustical events |
| 01/05/1994 | EP0576701A1 Hearing aid |
| 01/05/1994 | EP0576700A1 Hearing aid |
| 01/05/1994 | DE4221866A1 Hearing aid exciting inner ear with implanted electromechanical converter - converts electrical signals supplied to it into transmitted mechanical vibrations and converter is designed as intra-cochlear liquid sound transmitter |
| 01/05/1994 | DE4220687A1 Hearing aid device for acute deafness - has microphone coupled to audio input stabilised to obtain continuous horizontal directivity for speech reception |
| 01/04/1994 | US5276910 Energy recovering hearing system |
| 01/04/1994 | US5276739 Programmable hybrid hearing aid with digital signal processing |
| 12/30/1993 | CA2099236A1 Hearing aid |
| 12/30/1993 | CA2099235A1 Data input for hearing aid means |
| 12/30/1993 | CA2099209A1 Hearing aid |
| 12/30/1993 | CA2099208A1 Hearing aid having an integrated circuit |
| 12/30/1993 | CA2099187A1 Hearing aid |
| 12/28/1993 | CA1325603C Magnet for installation in the middle ear |
| 12/22/1993 | EP0556300A4 Contact transducer assembly for hearing devices |
| 12/22/1993 | EP0271539B1 Mass production auditory canal hearing aid |
| 12/21/1993 | US5272283 Feedthrough assembly for cochlear prosthetic package |
| 12/21/1993 | US5271397 Multi-peak speech processor |
| 12/21/1993 | CA1325314C Electrode assembly for cochlear implant |
| 12/09/1993 | WO1993025053A1 Soft earshell for hearing aids |
| 12/09/1993 | WO1993024058A1 Electrode insertion tool |
| 12/08/1993 | EP0572382A1 Three wire system for cochlear implant processor. |
| 12/07/1993 | CA2000434C Integrated compression amplifier having programmable threshold voltage |
| 12/02/1993 | DE4217629A1 Hearing aid with variable signal transmission characteristics |
| 11/30/1993 | US5266919 Tone generator for use with hearing aids |
| 11/29/1993 | CA2097136A1 Directional microphone system |
| 11/25/1993 | WO1993023942A1 Unidirectional ear microphone and method |
| 11/23/1993 | US5265168 Hearing aid |
| 11/16/1993 | US5263090 Hearing aid filter apparatus |
| 11/16/1993 | US5263089 Hearing aid |
| 11/10/1993 | EP0518906B1 Earwax trap for use with hearing-aid apparatus, and hearing-aid apparatus with such a trap |
| 11/10/1993 | CN1078341A High fidelity stereo deaf-mute recovery apparatus |
| 11/03/1993 | EP0567535A1 Improved hearing apparatus |
| 11/02/1993 | US5259033 Hearing aid having compensation for acoustic feedback |
| 11/02/1993 | US5259032 contact transducer assembly for hearing devices |
| 11/02/1993 | CA1323924C2 Hearing aid circuit |
| 10/26/1993 | US5257315 Hearing aid to be worn in the ear |
| 10/19/1993 | US5255320 Hearing aid |
| 10/19/1993 | US5255246 Electroacoustic transducer of the electret type |
| 10/14/1993 | WO1993020669A1 Aid to hearing speech in a noisy environment |
| 10/14/1993 | WO1993020668A1 Hearing aid compensating for acoustic feedback |
| 10/14/1993 | CA2132739A1 Aid to hearing speech in a noisy environment |
| 10/13/1993 | EP0565181A1 Electrodynamic receiver for a telephone handset |
| 10/13/1993 | EP0564983A1 Micropower amplifier/transducer driver with signal expansion |
| 10/13/1993 | EP0564456A1 Supersonic bone conduction hearing aid and method |
| 10/12/1993 | US5253300 Solar powered hearing aid |
| 10/06/1993 | EP0563421A1 Circuit arrangement with a switch amplifier |
| 10/06/1993 | EP0563194A1 Radio-based hearing aid system |
| 10/05/1993 | US5250926 Potentiometer with improved seal |
| 10/01/1993 | CA2092882A1 Circuit arrangement having a switching amplifier |
| 09/30/1993 | WO1993019562A1 Dual element headphone |
| 09/28/1993 | US5249234 Cover for behind-the-ear type hearing aids and methods of making and using the same |
| 09/22/1993 | EP0561566A2 Solid state condenser and microphone |
| 09/22/1993 | CN2142625Y Inserted electrodynamic type hearing aid earphone |
| 09/21/1993 | US5247581 Class-d bicmos hearing aid output amplifier |
| 09/21/1993 | CA2056990C Electromagnetic resonant vibrator |
| 09/21/1993 | CA2027265C Magnetically shielded electromagnetic acoustic transducer |
| 09/19/1993 | CA2092627A1 Solid state condenser and microphone devices |
| 09/16/1993 | WO1993018629A1 Device for recharging an intra-auricular prosthesis battery and process for the manufacture of said device. |
| 09/16/1993 | DE4205376C1 Housing for hearing aid worn on head - has visible section of transparent material and inside section of opaque material |
| 09/16/1993 | CA2131812A1 Apparatus for recharging intra-avricular prosthesis batteries and method for producing the same |
| 09/15/1993 | EP0560679A1 Ear ornament |
| 09/15/1993 | EP0559697A1 Communication device for transmitting audio information to a user |
| 09/15/1993 | EP0226613B1 Noise supression system |
| 09/14/1993 | US5245668 Device for aurally compensated loudness control |
| 09/14/1993 | CA2091225A1 Ear ornament |
| 09/07/1993 | US5243662 Electrodynamic sound generator for hearing aids |
| 09/07/1993 | US5243660 Directional microphone system |
| 09/07/1993 | US5243535 Digital potentiometer with stackable configuration |
| 09/07/1993 | CA1321951C Collapsible ear tip |
| 09/01/1993 | EP0558312A1 Adaptive noise reduction circuit for a sound reproduction system |
| 09/01/1993 | EP0557847A1 Head-mounted hearing aid |
| 08/31/1993 | CA1321758C Hearing aid |
| 08/28/1993 | CA2090773A1 Hearing aid providing an information output signal upon selection of an electronically set transmission parameter |
| 08/25/1993 | EP0556792A1 Electret assembly |
| 08/25/1993 | EP0556300A1 Contact transducer assembly for hearing devices. |
| 08/24/1993 | US5239588 Hearing aid |
| 08/24/1993 | CA1321635C Method and apparatus for determining acoustic parameters of an auditory prosthesis using software model |
| 08/18/1993 | EP0555278A1 Bimodal speech processor |
| 08/10/1993 | CA1321260C Calibration device and auditory prosthesis having calibration information |
| 08/05/1993 | DE4302057A1 Digitisation of band-limited analogue signal for hearing aid - using amplifier with adjustable gain controlled by comparator fed from A=D converter, which stores scale unit |
| 08/04/1993 | EP0489023B1 Intra-aural hearing aid with sound balancing channel |
| 08/04/1993 | EP0453450B1 Remote-controlled, programmable hearing aid system |
| 08/03/1993 | US5233665 Phonetic equalizer system |
| 07/21/1993 | CN2138868Y Ear phone mnemonic device |
| 07/21/1993 | CN1074578A Frequency-converting deaf-aid set |
| 07/20/1993 | US5229721 Micropower amplifier/transducer driver with signal expansion |
| 07/13/1993 | US5228089 Hearing aid |
| 07/08/1993 | WO1993013590A1 Reducing background noise in communication systems and enhancing binaural hearing systems for the hearing impaired |
| 07/06/1993 | US5226086 Method, apparatus, system and interface unit for programming a hearing aid |
| 07/06/1993 | US5225836 Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods |
| 07/01/1993 | WO1993000779A1 An improved multiband programmable compression system |
| 07/01/1993 | CA2111829A1 Multiband programmable compression system |
| 06/30/1993 | EP0548580A1 Non-occludable transducer for in-the-ear applications |
| 06/30/1993 | EP0548379A1 Hearing aid |
| 06/24/1993 | WO1993012626A1 Cerumen filter for hearing aids |
| 06/24/1993 | DE4140850C1 Cerumen protection for in-ear hearing aid - uses hoop secured to housing of hearing aid via cooperating screw threads to protect sound exit opening |
| 06/24/1993 | CA2122727A1 Cerumen filter for hearing aids |
| 06/22/1993 | US5222050 Water-resistant transducer housing with hydrophobic vent |
| 06/22/1993 | US5220918 Trans-tympanic connector for magnetic induction hearing aid |