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| Number | Title | Issue Date |
| 7457424 | Electronic volume device and remote controller thereof An electronic volume device of an invention includes a common volume I/O 371 for receiving an i-th common volume level Dcom[i] (i=1 to N) on a common scale of N steps, a volume converter 373 for converting the Dcom[i] into a j-th unique volume level Dv... | 11/25/2008 |
| 7428310 | Audio output adjusting device of home theater system and method thereof A home theater system, an audio output adjusting device of a home theater system and methods thereof allow a prescribed or three-dimension audio configuration state for at least one prescribed position even when the prescribed location and/or a configuration of the ... | 09/23/2008 |
| 7379552 | Smart speakers This invention relates to a method (and corresponding system) for providing location-aware media information and more specifically a method for providing location-aware audio content by an audio-presenting device capable of presenting audio content. On the audio sou... | 05/27/2008 |
| 7373414 | Multi-media system and method for simultaneously delivering multi-media data to multiple destinations A multimedia system and method that provides easy universal text searching for non-technical users, is disclosed. A configuration of the multimedia system and method of the present invention also facilitates content delivery through multiple, independent, simultaneo... | 05/13/2008 |
| 7283802 | Remote control system A remote control device is proposed, in which a clip for securing to clothing is removably disposed. The clip can be attached to the body of the remote control device such that the grip portion of the clip opens and closes either in the direction of a headphone side... | 10/16/2007 |
| 7236600 | Transmission of power and/or signalling between an audio distribution unit and a plurality of remote audio transducers A remote-controlled audio system comprises sets of loudspeakers (14A-14D) connected to power amplifier units (22A-22D) in an audio distribution unit (10) to which several audio sources, such as a compact disc unit, a tape deck, etc... | 06/26/2007 |
| 7216221 | Method and system for unified audio control on a personal computer A system and method for improved audio controls on a personal computer is provided. The system and method provide a unified architecture for audio controls across hardware and software interfaces of the personal computer. An intelligent facility may automatically ch... | 05/08/2007 |
| 7181023 | Distributed stereo system This invention concerns a distributed stereo audio system (1). Distributed stereo audio systems are used to provide stereo sound to several rooms or areas from a single source of signal. The system includes two or more speakers (2, 3) for the broadcast... | 02/20/2007 |
| 7155214 | I-port controller A multi-zone audio system is provided that is portable to a handheld audio device at a plurality of locations. The system includes a multi-zone audio system controller having an audio input/output selection circuit for selectively regulating the source and distribut... | 12/26/2006 |
| 7110558 | Systems and methods for automatically adjusting the volume of an audio source A system adjusts audio levels so as to maintain a constant perceived audio level at a user's location. The system includes a sensor (110) and an audio device (120). The sensor (110) receives a first audio signal, receives at least one data packe... | 09/19/2006 |
| 7103176 | Direct coupling of telephone volume control with remote microphone gain and noise cancellation The present invention creates a method, apparatus and system by which a telephone unit volume control provides instantaneous coupling to and controlling of a connected telephone unit's microphone gain and noise cancellation circuitry. With this invention, an increas... | 09/05/2006 |
| 6954538 | Remote control apparatus and a receiver and an audio system In regard to an audio system using a plurality of speakers, various settings, adjustment and compensation of a receiver are enabled. A remote control apparatus which can operate and adjust a multi-channel receiver includes a transmitter for transmitting data to the ... | 10/11/2005 |
| 6940986 | Apparatus and method for remotely and automatically controlling the volume of audio signals produced by a remotely controlled audio device An apparatus and method for remotely and automatically adjusting the volume of a remotely controlled audio device. In one embodiment, the apparatus comprises a sensor circuit for continuously detecting audio signals generated by the audio device, a difference circui... | 09/06/2005 |
| 6396549 | Remote controller for a multi-device television receiving system providing channel number auto-completion, presettable audio hush level and base channel auto-reaffirm A handheld remote controller for a televisor that automatically prefixes a single-digit program channel selection, typically between 2 and 9, with a leading zero in response to a prolonged single digit keybutton actuation exceeding about 3 seconds or by a... | 05/28/2002 |
| 6389139 | Powered volume control for distributed audio system A powered volume control is provided for a distributed audio system having a plurality of remote speakers. An amplifier or signal conditioner is provided having a dual channel amplified signal from a high impedance source. The amplified or conditioned sig... | 05/14/2002 |
| 6336219 | Audiovisual reproduction system Audiovisual reproduction system comprising a central unit managing a sound control circuit, and a telecommunications modem connected to a distribution network controlled by a host server, through a multitask operating system created around a tools and ser... | 01/01/2002 |
| 6091322 | Trunk monitoring system A device and method for monitoring a vehicle storage compartment for the presence of a confined individual includes at least one sensor adapted for sensing the presence of a living being confined in a vehicle storage compartment and generating a sensor si... | 07/18/2000 |
| 6049268 | Vehicle remote control system with less intrusive audible signals and associated methods A vehicle remote control system includes a remote transmitter to be carried by a user, a receiver at the vehicle for receiving signals from the remote transmitter, an audible signal generator at the vehicle, and a controller connected to the receiver and ... | 04/11/2000 |
| 5856792 | Interrupt driven method of remote control An interrupt apparatus for remotely controlling a potentiometer is comprised of an encoder for generating a pair of quadrature output signals whenever the encoder becomes rotated. The pair of signals are sent to a pair of D flip-flops for detecting a risi... | 01/05/1999 |
| 5777571 | Remote control device for voice recognition and user identification restrictions A remove control device that has voice recognition and user ID restriction functions equipped with a receiver is provided. The device includes a radio frequency (RF) receiving circuit, a demodulator, a voice input control device, an analog to digital conv... | 07/07/1998 |
| 5745582 | Audio signal transmitting apparatus audio signal receiving apparatus and audio signal transmitting and receiving system An audio signal transmitting apparatus including, an audio transmission signal generating unit for adding an error correction signal to a digital audio signal and encoding and interleaving the result to generate an audio transmission signal; a continuous ... | 04/28/1998 |
| 5577128 | Audio distribution system with controllable volume override A signal distribution and communication arrangement includes a main control unit remotely located and electrically coupled to a volume control panel. The volume control panel is located near a speaker, and the main control unit sends substantially continu... | 11/19/1996 |
| 5359576 | Voice activated target launching system with automatic sequencing control A voice activated skeet/trap triggering system comprising a receiver unit and at least one transmitter unit. The receiver unit interfaces with the target launcher via an interface cable, which cable replaces the conventional puller cable that supports the... | 10/25/1994 |
| 5317558 | Electronic volume varying apparatus restricted by muting mode An electronic volume varying apparatus for producing a controlling signal to control an electronic volume in response to pulses from a manually operable pulse generator, wherein it is prevented, when incorporated in a cassette deck or the like, that a lis... | 05/31/1994 |
| 5313524 | Self-contained active sound reproducer with switchable control unit master/slave An active sound reproducer (76, 78) receives an audio signal and setting signals (volume settings, filter coefficients) via a digital bus (75) for processing the audio signal. Normally, the setting signals are applied by a suitable ("compatible") control ... | 05/17/1994 |
| 5247580 | Voice-operated remote control system A voice-operated remote control system which transmits a remote control signal in response to a voice command has a degree-of-importance determining unit for determining the degree of importance of the voice command that is applied to the remote control s... | 09/21/1993 |
| 5222150 | Volume control circuit A volume control circuit in a system including a tuner and a deck which are prepared as separate components and combined together. The tuner has a control purpose audio input terminal, an audio output terminal, and an audio output level variable circuit p... | 06/22/1993 |
| 5191620 | Method for controlling volume level of sound for a display A method for controlling a volume level of a sound includes an input discrimination routine, a display routine, an increment routine and a decrement routine, whereby a maximum and minimum level of the PWM output are displayed on the screen. The routines a... | 03/02/1993 |
| 5162832 | Automatic release camera A camera for taking a photograph by automatically releasing a shutter, comprising; a detector for detecting a sound pressure level, and a pre-programed CPU for determining a first period of time that the detected sound pressure level exceeds a predetermin... | 11/10/1992 |
| 5144114 | Volume control apparatus A bar code reader has the capability of reading a bar code symbol containing information for causing change in the volume of a speaker associated with said reader, as well as reading merchandise identification symbols commonly associated with items such a... | 09/01/1992 |
| 5050214 | Remote control circuit A remote control circuit for remotely controlling a power source and a volume of a main set from a stereo-headphone composed of a remote control transmitting circuit arranged in a headphone, and a remote control receiving circuit arranged in a mainset.... | 09/17/1991 |
| 4862159 | Centralized system for selecting and reproducing perceptible programs A system for selecting and reproducing audio, video, or other humanly perceptible programs comprises a program source providing a multiplicity of program signals, a plurality of stations at which individual programs may be reproduced, a switching mechanis... | 08/29/1989 |
| 4845775 | Loudspeaker reproduction apparatus in vehicle In a loudspeaker system having an adjustable balance between two speakers having different low frequency reproduction characteristics, the attenuation of low frequency signals applied to the loudspeaker with the better low frequency reproduction character... | 07/04/1989 |
| 4845751 | Wireless stereo headphone A wireless stereo headphone is provided that permits a user to listen to a stereo program being received by a conventional receiver/amplifier without the use of interconnecting wires. A transmitter contained within the headphones allows the user to remote... | 07/04/1989 |
| 4837832 | Electronic hearing aid with gain control means for eliminating low frequency noise Electronic circuitry is described which enhances the intelligibility of a speech signal corrupted by low-frequency noise and certain flaws of miniaturized hearing aids are overcome by packaging the circuitry in a housing to be worn on the body of the hear... | 06/06/1989 |
| 4821329 | Audio switch device with timed insertion of substitute signal A switching device operable to monitor for the presence of an audio signal on a primary input line to a mixer includes a retriggerable timer responsive to activity on the primary line. When activity ceases for a predetermined time interval, the retriggera... | 04/11/1989 |
| 4790019 | Remote hearing aid volume control A hearing aid comprises a microphone, a battery-operated earphone, and amplifying circuit connected to the microphone output, the amplifying circuit including a frequency-selective circuit component and a sound level adjustment circuit component connected... | 12/06/1988 |
| 4777529 | Auditory subliminal programming system An auditory subliminal programming system includes a subliminal message encoder that generates fixed frequency security tones and combines them with a subliminal message signal to produce an encoded subliminal message signal which is recorded on audio tap... | 10/11/1988 |
| 4712247 | Electro-acoustic system having a variable reflection/absorption characteristic An electro-acoustic arrangement comprises an amplifier (4) having a first input terminal (5), a second input terminal (5'), a first output terminal (3), a second output terminal (3'), and a series arrangement of a first impedance (1) and an electro-acoust... | 12/08/1987 |
| 4621374 | Circuit arrangement for processing, transmitting, and acoustically reproducing digitized audio-frequency signals Digitized audio-frequency signals are processed in a signal processor (SP) together with digital control signals and pass through a wireless infrared transmission link (I) whose receiver (E) and a following power amplifier (V) are incorporated in a loudsp... | 11/04/1986 |
