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| Number | Title | Issue Date |
| 7388960 | Multimedia speaker headphone A multimedia speaker headphone has a headband, two ear-covers and a control and transmission device. The ear-covers are mounted pivotally on the headband and each ear-cover has an earphone speaker and an audio speaker. The control and transmission device has a contr... | 06/17/2008 |
| 7237287 | Patient care bed with network A bed including a frame, a deck, a siderail, a communication network and a graphic caregiver interface module. The graphic caregiver interface module includes an input device, a control circuit, a memory, and a display. ... | 07/03/2007 |
| 7142256 | Television control device A system and apparatus for controlling a television. Various embodiments of the apparatus have various components providing compatibility with most brands and types of televisions. ... | 11/28/2006 |
| 7123735 | Method and apparatus to increase acoustic separation A method and apparatus for reducing the acoustic coupling between a sound receiving transducer and a sound transmitting transducer is disclosed. A housing, wherein the receiving transducer and the transmitting transducer are mounted, is provided to increase the acou... | 10/17/2006 |
| 7093311 | Patient examination support system A patient examination support system includes a positioning display that displays the patient position required for an examination and/or treatment. Characteristic parameters for the examination and/or treatment of a patient via an X-ray or radiological system are m... | 08/22/2006 |
| 7073220 | Bed siderail having a latch A patient support including a frame, a mattress supported by the frame, and siderails supported by the frame. A latch member is configured to prevent vertical movement of the siderail. A latch position indicator is configured to provide an indication of the position... | 07/11/2006 |
| 7068979 | Mobile telecommunications device A mobile telecommunications device is disclosed and comprises a casing (2), an earpiece (6), and a cover (33) associated with the earpiece (6) to define a resonant cavity (34) between the earpiece (6) and the casing (2 | 06/27/2006 |
| 6957461 | Hospital bed A bed for a person is provided. The bed includes a frame, a deck including a seat section and a foot section movable relative to the seat section. The bed further including a mechanism that control movement of the foot section relative to the seat section. ... | 10/25/2005 |
| 6941598 | Patient care system A bed comprises a mattress supported on a support surface. The mattress has first and second inflatable cells for supporting a patient. ... | 09/13/2005 |
| 6853850 | Automatic speaker volume and microphone gain control in a portable handheld radiotelephone with proximity sensors Method and system for controlling operation of radiotelephone speaker volume and/or microphone gain. Using signals from one or more proximity sensors associated with the radiotelephone device, the device determines if a radiotelephone user is within a selected proxi... | 02/08/2005 |
| 6785395 | Speaker configuration for a portable electronic device A portable device includes a speaker with an active vent fed by a front of a speaker diaphragm and a larger passive vent fed by a rear of the speaker diaphragm. The outputs of the active and passive vents are acoustically coupled to respective active and passive por... | 08/31/2004 |
| 6584198 | Device and method for monitoring shock A system is devised for utilizing the speaker in a mobile phone or other appliance as a transducer for monitoring the shock to which the appliance is subjected. The shock signal is processed and stored signals relative to said shock and providing means to... | 06/24/2003 |
| 6389145 | Methods and apparatus for controlling the output of moving armature transducers A moving-armature transducer assembly suitable for use as an alerter in a portable telephone. The assembly includes a transducer housed in an enclosure including first and second acoustical chambers. A first sound emitted from a front hole on a front side... | 05/14/2002 |
| 6144864 | Voice communication for handheld computing devices A handheld voice communication system including a handheld computing device and a handset linked to the computing device via a retractable cable. The handheld computing device includes a data display screen and a microphone integrated therein, and the han... | 11/07/2000 |
| 6060979 | Call box apparatus A call box apparatus includes a controller unit, a radio frequency audio transceiver unit controlled by the controller unit, and a sensor assembly connected to the controller unit for controlling operation of the controller unit. A power supply assembly, ... | 05/09/2000 |
| 5896461 | Compact speakerphone apparatus A compact speakerphone apparatus is provided with an angled housing for a speaker and a directional microphone. The speaker and microphone are mounted in the housing such that the directional characteristics of the microphone minimizes feedback from the s... | 04/20/1999 |
| 5864766 | Cellular telephone battery with auto-answering and hand-free functions A cellular telephone battery having the functions of auto answering, hand-free listening and speaking, low power control, power wake up control, battery protection, and quick charging. The battery includes an auto-answer and hand-free control unit connect... | 01/26/1999 |
| 5642402 | Hands free equipment Hands free equipment for mobile phones, has an extra loudspeaker and microphone and an electronic unit included therein, the equipment being mainly intended for use in cars, whereby driving safety is maintained. The equipment is connected to the charger o... | 06/24/1997 |
| 5588041 | Cellular speakerphone and method of operation thereof A cellular speakerphone (100) includes a housing (101) containing a transceiver circuit (203), a processor and switching circuit (205), a coupler (209), and a hands-free user interface (207). The processor and switching circuit (205) and the hands-free us... | 12/24/1996 |
| 5572575 | Cordless telephone system having speaker phone function A cordless telephone system comprises a base station, a handset unit, and a speaker phone circuit provided in the base station. In response to a request signal indicating that the handset unit uses the speaker phone circuit of the base station, the base s... | 11/05/1996 |
| 5526405 | Cordless telephone apparatus with a speakerphone operation mode cordless A cordless telephone includes a stand for a handset that receives voice signals via a radio network. The stand has a charging circuit. In a speaker-phone conversation mode, a speaker in the stand reproduces a received voice signal via a speaker-phone voic... | 06/11/1996 |
| 5367556 | Portable radio telephone used with an adaptor unit having a hand-free circuit A portable radio unit used with an adaptor unit having a hand-free circuit is disclosed. The hand-free circuit is activated in response to a contact between a contact-type connector of the portable radio unit and a contact-type connector of the adaptor un... | 11/22/1994 |
| 5301224 | Mobile telephone with lateral loudspeaker A mobile telephone apparatus for installation in a vehicle comprises a handset and a cradle member for releasably holding and locating the handset. The cradle member includes a loudspeaker grille which, in plan view, is disposed laterally of the handset w... | 04/05/1994 |
| 5282246 | Handsfree mobile telephone rack A handsfree mobile telephone rack for holding any of a variety of mobile telephones permitting a user to send a message by a mobile telephone with both hands free, comprising a power socket connected to a power supply by a power cord, a power switch, a vo... | 01/25/1994 |
| 5276916 | Communication device having a speaker and microphone A radio or speaker-microphone unit includes a housing having first and second portions. A speaker is disposed in one of the portions and a microphone in the other of the portions. The portions are movable between first and second relative positions, with ... | 01/04/1994 |
| 5226076 | Directional microphone assembly A directional microphone assembly is constructed from a first-order-gradient microphone element enclosed within a housing, molded from an acoustically-opaque, resilient material such as Ethylene-Propylene-Diene-Monomer. The microphone element includes a ... | 07/06/1993 |
| 5138651 | Cordless loud speaking telephone A cordless loud-speaking telephone of the present invention is shaped to be placed on a table or desk or to be suspended from a ceiling. Unlike cordless portable telephones of the handy transceiver type, it enables hands-free talking or communication thro... | 08/11/1992 |
| 5121426 | Loudspeaking telephone station including directional microphone A loudspeaking telephone station (speakerphone) includes a loudspeaker and one or more microphones within the same housing. The microphones are directional, each having a polar response characteristic that includes a major lobe, one or more side lobes, an... | 06/09/1992 |
| 5050209 | Telephone set A telephone set having a telephone set body and a handset unit which incorporate therein a speaker amplifier and a speaker, respectively, and a coil cord interconnecting the speaker amplifier and speaker, the telephone set being selectively usable in an o... | 09/17/1991 |
| 4937877 | Modular microphone assembly A modular microphone assembly housed in a handsfree telephone apparatus provides an environment that is isolated from a loudspeaker installed within the apparatus and through which environment the directional and frequency response characteristics of a di... | 06/26/1990 |
| 4680790 | Bedside control module for healthcare stations and the like A bedside control module is provided for healthcare stations and the like, of the type generally having a bed, and at least two control functions, such as bed adjustments, nurse call, telephone, television, radio, lights, and other such accessories. The c... | 07/14/1987 |
| 4550429 | Shock absorbing transducer module A modular transducer mounting arrangement includes a substantially planar support plate. An aperture having an angular bevel is provided in the support plate such that a loudspeaker may be positioned in the bevel to allow sound to exit from the loudspeake... | 10/29/1985 |
| 4178488 | Telephone set A telephone set has a transmitter-receiver including a first portion for mounting a microphone, a second portion for mounting a speaker for loudspeaking, an earphone for low speaking with an opening formed in the first portion so that the side walls of th... | 12/11/1979 |
| 4142312 | Station set for mobile radiotelephone units A mobile radiotelephone station set base is provided with a pushbutton dialing pad in a first face and has a rectangular card-receiving slot in an adjacent face and opening into a card-receiving pocket extending into the base parallel to the first face. A... | 03/06/1979 |
| 4038502 | Acoustic coupling structure for microphone The microphone of an electronic device is mounted within the housing of the device, and may be a microphone cartridge having a sound opening exposed to a sound chamber within the housing. The device may be a portable radio transmitter and receiver wherein... | 07/26/1977 |
