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8755505 Communication wall panel, nursing care system having communication wall panel, and conference system having communication wall panel  
A communication wall panel includes an interior panel member to be attached to a room as an interior wall material thereof; an information obtaining part provided in the interior panel member and...
8620013 Communication system and hearing device  
A communication system has a wireless transmitter and a wireless receiver. The transmitter is built into a hearing device to be worn at one or both ears of an individual. The hearing device has an...
8410751 Device housing a battery and charging pad  
A device housing a battery (50) includes a receiving coil (51), and a charging pad (10) includes a transmitting coil (11) that magnetically couples with, and supplies charging power to the...
8406823 Power transmission control device, power transmission device, power reception control device, power reception device, and electronic apparatus  
A power transmission control device is provided in a contactless power transmission system that supplies electric power to a load of a power reception device such that a primary coil and a...
8395352 Power transmission control device, power transmission device, electronic apparatus, and load state detection circuit  
There is provided a power transmission control device provided in a power transmission device included in a contactless power transmission system in which power is transmitted from the power...
8369905 Power transmission control device, power transmission device, power receiving control device, power receiving device, and electronic apparatus  
A power transmission control device provided in a power transmission device included in a contactless power transmission system in which power is transmitted from the power transmission device to...
8359073 Power transmission control device, power transmission device, power receiving control device, power receiving device, and electronic apparatus  
There is provided a power transmission control device included in a power transmission device in a contactless power transmission system that transmits power from the power transmission device to...
8339096 Wireless power receiving device  
To provide a wireless power receiving device and an electronic device having the wireless power receiving device whose production costs do not increase even when frequency of electromagnetic waves...
8340336 Magnetic coupling enhanced speaker assembly  
A speaker assembly, a method for manufacturing a speaker assembly and a wireless device are provided. Such a speaker assembly may include a diaphragm for generating sound, a transducer for causing...
8222860 Power transmission control device, power transmission device, power receiving control device, power receiving device, and electronic apparatus  
A power transmission control device included in a contactless power transmission system in which power is transmitted from a power transmission device to a power receiving device by...
8208624 Hearing aid compatible mobile phone  
A device such as a mobile phone includes a device to be hearing aid compatible. The device may include a first speaker for private listening operation and a second speaker that provides both...
8111041 Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument  
A power reception device transmits authentication information (e.g., start code, manufacturer ID, product ID, rated power information, and resonance characteristic information) to a power...
8054036 Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument  
A power transmission device performs power-saving power transmission that transmits a small amount of power as compared with normal power transmission when the power transmission device has...
RE42590 Telephone line coupler  
The telephone line coupler circuit has a single transmit opto-coupler whose output includes a DC bias component connected to a gate of a line seize switch for connecting a DC line seize load...
7978867 Audio signal system  
An audio signal system is provided having, in one embodiment, a magnetostrictive core of varying shapes, sizes, and permeability. The core is wound with a wire, thereby forming an inductor for...
7933402 Integrated adapter and fax device using the same  
An integrated adapter and fax device using the integrated adapter are provided. The power supply converting unit and line interface unit, each of which has a first section and a second section...
7657049 Telephone handset  
An improved telephone handset for hearing-impaired persons. A passive device, in the form of an inductor wound about a highly magnetostrictive core, is connected with the speaker in the handset....
7426279 Electromagnetic audio and data signaling transducers and systems  
An electromagnetic field signal communications system (100) is based on a specially configured sending transducer (30), having electrical conductors (32) wound onto a generally circular core (33)...
RE39406 Telephone line coupler  
The telephone line coupler circuit has a single transmit opto-coupler whose output includes a DC bias component connected to a gate of a line seize switch for connecting a DC line seize load...
7099468 Telephone handset restraining mechanism  
A telephone handset restraining and release mechanism comprises a cup-shaped enclosure for receiving and restraining the transmitter end of a telephone handset. This cup-shaped enclosure is...
7003317 Motorcycle helmet communication cable  
Motorcycle helmet communications cables connecting substantially all models of cellular telephones to a “CHATTERBOX” HJC-GMRS X1 rider-to-rider motorcycle helmet communication system. A length of...
6965672 Electronic switching system  
An electronic switching system, comprising a common source of voltage to a plurality of user stations connected in parallel, an electronic means of connection to electrically connect a chosen user...
6925179 Method and apparatus for a hearing aid coupling system  
An audio coupler device for communication with a T-coil in a hearing aid is described to fit inside the receiver section of a handset as defined. The coupler device is so mounted inside the...
6668042 Telephone handset for mixed-mode voice-and-TDD communication  
A modular telephone handset (100) comprises an earpiece (102), a mouthpiece (104), and a handle (106) detachably attached at one end to the earpiece and at the other end to the mouthpiece....
6584182 Method and apparatus for communicating data over a telephone line using an acoustic modem  
The present invention provides systems and methods for the communication of data over telephone lines. A handset orientation tolerant bi-directional acoustic modem according to the invention...
6539073 Nuclear fuel bundle having spacers captured by a water rod  
Water rod segments are provided in a nuclear fuel bundle and releasably connected one to the other at joints within openings through the spacers. A lowermost water rod segment passes through a...
6233336 Inductive coupling interface for electronic device  
An inductive coupling interface couples a first electronic device to an inductive coupling link of a second electronic device. The second device link is in a coupling zone adjacent the interface....
6134321 Modem loop current detect system to detect an off-hook condition in an extension telephone  
A telephone line monitoring circuit uses an optoisolator to convert the telephone line current to a voltage which is applied to the input of an AID converter. The A/D values are coarse values...
5999400 Modular plug with electronic components  
A modular plug which has an insulative housing comprising a front wall, a rear wall, a top wall, a bottom wall and a pair of lateral walls which are perpendicularly interposed between the top two...
5937334 Radio communications and telephone network interface system  
A phone patch 26 for interfacing between a radio 12 and a telephone network 32 includes means for electrically coupling audio signals between the radio 12 and the telephone network 32. A...
5802148 System for generating aural announcements within a premises  
A system for generating aural announcements of incoming calls within a premises has a premises phone connected within a premises phone line that forms first and second communication channels. The...
5740257 Active noise control earpiece being compatible with magnetic coupled hearing aids  
Active noise control for use by individuals using magnetically coupled hearing aids is realized by generating a true representation of the handset input signal, which is employed to drive a...
5561710 Interactive voice communication terminal with alpha and numeric keypad  
An interactive voice communication terminal (10) provides alpha and numeric characters transmitted from a DTMF generator (36) to access a database by interfacing with the mouthpiece (24) of a...
5557673 Auditory assistance apparatus and method  
An auditory assistance apparatus and method for use with a sound signal source which also produces a magnetic field propagated along a magnetic field axis to increase the signal-to-noise ratio...
5555300 Telephone handset microphone level adjustment  
A system for automatically adjusting the level of a telephone instrument microphone input signal in response to the level of the telephone instrument sidetone signal. The system may provide a test...
5291541 Coupling apparatus for telephone handsets  
Coupling apparatus for a telephone handset comprises a handset-coupling cradle having a dome at one end thereof for locating the earpiece (receiver) of the handset, and sound ports at the other...
5265145 Alphanumeric caller identification telephone  
An alphanumeric caller identification telephone is disclosed which has several advantages and novelties. Among them are that when certain predetermined incoming calls including a number or name...
5239580 Modem-telephone coupler  
Coupling device for the connection of a Data Circuit Terminating Equipment DCE to a given Public Switched Telephone Network PSTN and to a local telephone set. The coupler includes means for...
5134649 Acoustic coupler for high-speed modem  
A data coupler is disclosed for use in connecting a high speed data modem to a typical telephone handset in a high ambient acoustic noise field. The data coupler features a method for conserving,...
5010575 Audio current pick-up device  
An audio current pick-up device for use with an electric wire 6 carrying an electric current containing audio information comprises a pair of substantially identical magnetic induction coil...
4998079 Bi-directional signal coupler for a balanced data transmission line  
A coupler for a balanced two wire data transmission line includes input and output ports as well as a forward coupled port and a reflected coupled port. The coupler is constructed of passive...
4993060 Portable device for use by a news reporter  
A portable device to be carried by a reporter and coupled to a telephone line to a location from which the reporter wishes to transmit a report to a broadcast station to be broadcast live has a...
4944017 Electroacoustic insert with added coil  
The present invention provides an insert (1) forming an independent assembly of a coil body (15). The electroacoustic transducer comprises an insert (1) formed of a case with a vibrating membrane...
4847900 Infrared hookswitch for a telephone  
An optical hookswitch assembly useable on a telephone set as an optical communications port is disclosed. The hookswitch assembly is comprised of light emitting and detecting diodes so disposed in...
4845738 Hands-free type automobile telephone and general-purpose telephone  
The automobile telephone is used in a hands-free condition by coupling its handset with a cradle-shaped coupler which is provided with a pair of swingable support plates for receiving a...
4764922 Data terminal interface circuit to a telephone transmission line  
At a transmission line (La', Lb') connected with telephone station equipment (Tel) via a lowpass filter (TP), via which telephone station signals are transmitted in a first frequency range, there...
4723267 Telephone line interface and dialer circuitry for telecommunications equipment  
Apparatus (10) for providing isolation and interconnection between the tip (1) and ring (2) conductors of a telephone line and data communications equipment to be connected thereto, such as a...
4697283 Telephone handset with integrated flux coil  
A telephone handset having a receiver housing at one end has a flux coil positioned at the front corner at the junction between the peripheral wall and the front wall of the housing. The flux coil...
D287127 Combined telephone amplifier and pen holder  
4592069 Line powered modem  
A modem or other data handling apparatus for connection to a transmission line includes an inductance simulation circuit for providing a low d.c. resistance to allow circulation of a line holding...
Matches 1 - 50 out of 124 1 2 3 >