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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8107648 | Bone conduction earphone A bone conduction earphone in which a large magnetic force can be generated and which can achieve improvement of sound quality and reduction of power consumption is provided. A vibration part 3 is provided to include a first magnet 32 and a second magn... | 01/31/2012 |
| 8107646 | Acoustic vibration generating element In an acoustic vibration generating element, a piezoelectric bimorph element or unimorph element is covered with a covering member of a flexible material at least on two surfaces perpendicular to a thickness direction. The covering member may be provided with a plur... | 01/31/2012 |
| 8107647 | Ring transducers for sonic, ultrasonic hearing A ring transducer comprising an outer metal ring and an inner ceramic ring provides a device for the conduction of ultrasonic signals directly in the ear canal, thereby providing an efficient means for the conduction of such signals. In an alternate embodiment, stac... | 01/31/2012 |
| 8027491 | Contact speaker A tactile sound speaker transmits sound-generated vibrations to a user through a touchpad to provide a tactile sound experience. The tactile sound speaker can include a speaker driver, a speaker cone, and a touchpad. The touchpad can be coupled to the speaker cone b... | 09/27/2011 |
| 7983431 | Bone conduction device and tympanum thereof The object is to provide a bone conduction device and its tympanum, wherein the bone conduction device can be efficiently mounted without generating a dead space in a case having a limited installation space such as a cellular phone's case having a large display scr... | 07/19/2011 |
| 7822215 | Bone-conduction hearing-aid transducer having improved frequency response A hearing-aid device and a method for transmitting sound through bone conduction are disclosed. The hearing-aid device comprises a piezoelectric-type actuator, housing and connector. The piezoelectric actuator is preferably a circular flextensional-type actuator mou... | 10/26/2010 |
| 7809147 | Osseous conduction acoustic transducer Transducer substantially comprising a hollow housing, a device located inside the hollow housing to transform the electrical signals output by a vibration pickup microphone, a generally discoid shaped element for acoustical coupling with the mastoid bone, having one... | 10/05/2010 |
| 7778430 | Flesh conducted sound microphone, signal processing device, communication interface system and sound sampling method A microphone is installed on a surface of the skin immediately below the mastoid of a human to implement a sound sampling method including sampling at least one of a non-audible murmur, a whisper, or an audible sound. The microphone includes a condenser microphone p... | 08/17/2010 |
| 7724911 | Actuator systems for oral-based appliances Actuator systems for oral-based appliances utilizing transducers which are attached, adhered, or otherwise embedded into or upon a dental or oral appliance to form a hearing aid assembly. Such oral appliances may be a custom-made device which receives incoming sound... | 05/25/2010 |
| 7664277 | Bone conduction hearing aid devices and methods Methods and apparatus for transmitting vibrations via an electronic and/or transducer assembly through a tooth or teeth are disclosed herein. The assembly may include a bracket which is adhered or affixed onto the tooth or teeth and an electronics and/or transducer ... | 02/16/2010 |
| 7639825 | Bone-conduction handset The object is to provide a bone-conduction handset, which has its main body (1) sufficiently isolated from a bone-conduction speaker unit (3) so that: the chances that howling and sound leaking may occur are reduced; and, the handset is improved in eas... | 12/29/2009 |
| 7639824 | Noise damping headset with a throat microphone The invention relates to a noise damping headset comprising at least one microphone and at least one ear phone intended to be connected via electrical conduits, preferably wires, to a transmitter and a receiver, preferably a mobile telephone, a communication radio o... | 12/29/2009 |
| 7599506 | Apparatus and method for boosting sound in a denta-mandibular sound-transmitting entertainment toothbrush A device and method for transmitting sound waves between a signal source and a user's ears, wherein the sound waves bypass the air. The sound waves are conducted by the user's teeth and bones to the user's ears, where they are perceived as sound. Sound-transmitting ... | 10/06/2009 |
| 7536020 | Wearable communication device A wearable communication device includes a bone conduction actuator which is applicable for being in contact with a user's wrist, hand, back of the hand, finger or nail in order to transmit voice signals. The user inserts the user's finger into the user's ear canal,... | 05/19/2009 |
| 7486798 | Method and apparatus for tooth bone conduction microphone A two-way communication system particularly valuable for noisy environments where a user has a tooth bone conduction microphone in his mouth normally controlled by a tongue switch that transmits an electrical signal representing speech to a retransmit module usually... | 02/03/2009 |
| 7466833 | Bone vibrating speaker using the diaphragm and mobile phone thereby In a bone conduction speaker, a body has a shape of a cylinder, and a vibrating plate is inserted to a mastoid to close an upper opening portion of the body. An auxiliary vibrating plate is inserted to the mastoid under the vibrating plate. A vibrating coil is attac... | 12/16/2008 |
| 7386138 | Multifunction speaker A multifunction speaker comprises a frame made of an insulation material and having a terminal supporting portion, a pair of supporting springs are partly embedded in the frame. A magnetic circuit is resiliently supported in the frame by the springs, a diaphragm is ... | 06/10/2008 |
| 7376237 | Vibrator for bone-conduction hearing The vibrator system is for generating bone conduction vibrations. A magnet (8a) provides a static magnetic flux (Φ1) that follows a first path. A bobbin (4a) is disposed at a center a vibrator (2). A housing (10)... | 05/20/2008 |
| 7366663 | Measuring a talking quality of a telephone link in a telecommunications network For measuring the influence of noise on the talking quality of a telephone link in a telecommunications network, a talker speech signal (s(t)) and a degraded speech signal (s′(t)) are fed to an objective measurement device for obtaining an output signal (q) repres... | 04/29/2008 |
| 7339857 | Vibrating device provided with mechanical shock protection means for a portable object The vibrating device (1) is mounted in a portable object, such as a wristwatch, to act in particular as a silent alarm. The device includes a moving mass (3a, 3b, 6, 15) formed in part by a magnetic structure connected to a ... | 03/04/2008 |
| 7336795 | Card sound device and electronic apparatus having same A card-type sound apparatus has, on a card-shaped substrate, a combination of a sound signal input portion to which a sound signal is input from outside and a sound generation portion that generates sound according to the sound signal input to the sound signal input... | 02/26/2008 |
| 7324655 | Electroacoustic transducer A small earphone or headphone which can produce a wide band acoustic output from a low-pitched tone to a high-pitched tone and can generate a body-sensitive vibration independent output or a body-sensitive vibration output synchronized with a music. The earphone or ... | 01/29/2008 |
| 7319771 | Vibrator for bone conducted hearing aids A vibrator for a bone conduction type hearing aid device. The vibrator includes a coil for generating a dynamic magnetic field and two permanent magnets for generating a static magnetic field. The two permanent magnets are working independently from each other in th... | 01/15/2008 |
| 7319773 | Subminiature bone vibrating speaker using the diaphragm and mobile phone thereby The present invention relates to a subminiature bone conduction speaker by using a vibrating plate and a mobile phone having the subminiature bone conduction speaker. A subminiature bone conduction speaker using a vibrating plate according to the present invention c... | 01/15/2008 |
| 7317806 | Sound tube tuned multi-driver earpiece A method of optimizing the audio performance of an earpiece and the resultant device are provided. The disclosed earpiece combines at least two drivers within a single earpiece. If a pair of drivers is used, each driver has a discrete sound delivery tube. If more th... | 01/08/2008 |
| 7310427 | Recreational bone conduction audio device, system A waterproof recreational audio device and method that transmits sound via transcutaneous bone conduction provides high fidelity musical signals to a user. The device can be worn on the head of a user and integrated into various types of headgear. The device is tuna... | 12/18/2007 |
| 7302071 | Bone conduction hearing assistance device A bone conduction hearing aid includes an in-the-ear (ITE) component and a behind-the-ear (BTE) component. A bone vibrator is carried by the ITE component and positioned in the concha of the ear when in use. A vibrationally conductive structural member of the ITE co... | 11/27/2007 |
| 7292695 | Bone conductive speaker A bone conductive speaker is downsized without causing any loss in efficiency, simple in construction low in cost, and comprises yoke (2), magnet (3) disposed in a central area of the yoke, and voice coil (4) wound on the magnet. The yoke has it... | 11/06/2007 |
| 7283850 | Method and apparatus for multi-sensory speech enhancement on a mobile device A mobile device includes an air conduction microphone and an alternative sensor that provides an alternative sensor signal indicative of speech. A communication interface permits the mobile device to communicate directly with other mobile devices. ... | 10/16/2007 |
| 7269266 | Method and apparatus for tooth bone conduction microphone A tooth microphone apparatus worn in a human mouth that includes a sound transducer element in contact with at least one tooth in mouth, the transducer producing an electrical signal in response to speech and a means for transmitting said electrical signal from the ... | 09/11/2007 |
| 7254246 | Method for establishing a binaural communication link and binaural hearing devices A binaural communication link between two hearing devices is established via at least one wire (7w) and a conductor, which is formed by individual's body (7B). ... | 08/07/2007 |
| 7251332 | Portable audio devices The components of a portable personal audio system include first and second audio signal source devices, such as an MP3 player (14) and telephone (16). These are connected via respective leads (12) to a control and switching stage (22), a... | 07/31/2007 |
| 7242786 | Vibrator damping A variable-reluctance type vibrator for generating vibrations in a bone anchored hearing aid. The vibrator includes a vibrator plate and a bobbin base with a vibrator gap therebetween. The vibrator gap between the vibrator plate and the bobbin base, or some other sp... | 07/10/2007 |
| 7221950 | Auto sensing home base station for mobile telephone with remote answering capabilities The present invention discloses in one embodiment a mobile telephone capable of communicating with a home base station through radio signals. The mobile telephone registers with a home base station before beginning to communicate with the home base station. The home... | 05/22/2007 |
| 7212835 | Controlling a terminal of a communication system The present invention relates to a terminal for a communication system. The terminal comprises detector means that are arranged to detect if there is a contact between at least one surface of the terminal and the skin of the user of the terminal. The detection means... | 05/01/2007 |
| 7203332 | Magnet arrangement for loudspeaker An electro-dynamic loudspeaker includes a frame, a plurality of magnets and a diaphragm. The frame includes a molded plastic body. The magnets may be molded into the frame in a determined configuration. The frame is mechanically coupled to the diaphragm such that th... | 04/10/2007 |
| 7203331 | Voice communication device A voice communication device including an earpiece adapted to be inserted into the external auditory canal of a user is disclosed. The earpiece is smaller than the interior of the external auditory canal and the earpiece does not block the canal. The earpiece includ... | 04/10/2007 |
| 7198596 | Coupling device for a two-part bone-anchored hearing aid apparatus A coupling device for attaching the external hearing aid part to the skull bone anchored part in a bone conducting hearing aid apparatus. The retaining force in the coupling device is substantially established with a permanent magnet. The bone anchored part and the ... | 04/03/2007 |
| 7194083 | System and method for interfacing plain old telephone system (POTS) devices with cellular networks A system and method for interfacing plain old telephone system (PATS) devices with a cellular network is presented. In a broad sense, the system includes an interface that bridges the POTS devices with the cellular network. The interface is configured to convert POT... | 03/20/2007 |
| 7190803 | Acoustic transducer having reduced thickness A transducer for a hearing aid includes a housing, a relatively thin membrane having a free end suspended in the housing for vibration in response to a motor. The motor has a coil and a magnet assembly, the coil being mounted in the housing beneath the membrane; the... | 03/13/2007 |
