Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 8135148 | Automatic gain control for mobile microphone An automatic gain control unit controls the gain applied to an input signal produced by a microphone subject to ambient noise. The automatic gain control circuit continually monitors the signal level of said input signal. A first gain control circuit decreases the g... | 03/13/2012 |
| 8041055 | Method and apparatus for automatically adjusting reminder volume on a mobile communication device A method and apparatus for automatically adjusting volume of an audio signal on a mobile device, comprising playing the audio signal at an initial volume, sampling the audio signal, estimating a transfer function based on an echo path characteristic between the play... | 10/18/2011 |
| 7627130 | Circuit and method for automatically limiting the amplitude of broadcast audio signals A circuit for processing broadcast signals that includes circuitry for receiving and processing broadcast signals which contain audio information and providing a first audio signal, and circuitry for controlling the amplitude of a received second audio signal in res... | 12/01/2009 |
| 7440530 | Circuit for and method of optimizing the transmission of data on a communication channel A circuit for optimizing the transmission of data on a communication channel is disclosed. According to one embodiment of the invention, a circuit comprises a transmitter circuit having a programmable output characteristic and being coupled to a transmission media. ... | 10/21/2008 |
| 7440577 | Methods and apparatus for automatic mixing of audio signals Methods and apparatus for automatically mixing a plurality of audio channels by adjusting respective gains of the audio channels using a control signal based on an aggregate of input levels of respective audio signals of the audio channels; and reducing the gain of ... | 10/21/2008 |
| 7415119 | Method for hierarchical audio conflict control A control system and associated method resolving audio conflicts. The control system comprises a computing device, a memory device comprising a database, and a plurality of audio sources. The memory device is coupled to the computing device. The database comprises i... | 08/19/2008 |
| 7369185 | Broadcast receiving apparatus and method having volume control A receiving apparatus includes a receiving unit configured to receive a signal including a program, an acquiring unit configured to acquire information representing a category of the program received by the receiving unit, a volume data generating unit configured to... | 05/06/2008 |
| 7330554 | Volume control apparatus and method thereof A volume control apparatus and a method enable the volume of sound output from a sound output system to be adjusted in units of an increase/decrease interval set by a user, the volume control apparatus controlling the volume of sound output from the sound output sys... | 02/12/2008 |
| 7302062 | Audio enhancement system An audio enhancement system for compensating for ambient noise in a listening environment, comprises an audio system that produces an electrical sound signal and generates a sound output from the electrical sound signal. A sensor (e.g., a microphone) senses a total ... | 11/27/2007 |
| 7283879 | Dynamic normalization of sound reproduction A method for generating an audio output from an audio amplifier, the method consisting of receiving a segment of an input audio data stream into a buffer, identifying an adjustment interval in the segment, and calculating an average energy of at least a section of t... | 10/16/2007 |
| 7231037 | Active audio compressing in telecommunication An output reducing system for a telephone system, e.g., implemented in a headset, includes an input line and an output line, wherein the input line transmits an incoming signal to an output transducer and the output line transmits an outgoing signal from an input tr... | 06/12/2007 |
| 7212640 | Variable attack and release system and method Variable attack and release system and method are disclosed for dynamically modifying the various elements of the system, including modifying compander response time to dynamically adjust for changing parameters such as environmental or input signal changes, to main... | 05/01/2007 |
| 7206420 | Softclip method and apparatus A method of matching input amplitudes in a system wherein one or more of a plurality of inputs may be selected, with each input capable of having different characteristics, involving selecting an input signal and mapping the input signal to a predetermined signal am... | 04/17/2007 |
| 7190292 | Input level adjust system and method A method of matching input amplitudes in a system wherein one or more of a plurality of inputs may be selected, with each input capable of having different characteristics, involving selecting an input signal and mapping the input signal to a predetermined signal am... | 03/13/2007 |
| 7164774 | Amplifier with limiter A sound volume set-point value set by the variable resistor 1 is converted into a sound volume set-point value signal by a sound volume set-point value detecting section. A control signal generating section rectifies an input signal and adds it to a sound vol... | 01/16/2007 |
| 7155385 | Automatic gain control for adjusting gain during non-speech portions An estimate is made of the power of a speech portion of a speech signal that includes speech portions separated by non-speech portions, the power for the speech portion being estimated based on a power envelope that spans the speech portion. The gain of an automatic... | 12/26/2006 |
| 7068799 | Sound field correcting method in audio system In correcting the sound field, the loudspeakers 6FL to 6WF are sounded by the noise. The attenuation factors of the inter-band attenuators ATF11 to ATFki for adjusting gains of the band-pass filters BPF1... | 06/27/2006 |
| 7058187 | Automatic sound field correcting system and a sound field correcting method A filter coefficient of a graphic equalizer GEQ is corrected based on detection results of reproduced sounds generated by supplying a noise to all frequency band loudspeakers 6FL to 6RR and a low frequency band exclusively reprodu... | 06/06/2006 |
| 7050197 | Image processor for high-speed printing applications An image processor (14) supporting very high-speed printing. The image processor (14) preferably has two separate connections to a source (12) of the image being printed, e.g., a printer control bus (34) and an image data bus (36).... | 05/23/2006 |
| 7043423 | Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding The perceived quality of an audio signals obtained from very low bit-rate audio coding system is improved by using expanding quantizers and arithmetic coding in a transmitter and using complementary compression and arithmetic decoding in a receiver. An expanding qua... | 05/09/2006 |
| 7027981 | System output control method and apparatus Output control system and method includes calculating gain for an input signal, detecting a predetermined condition, and modifying the gain calculation in accordance with one or more kneepoints to provide a varying output signal. A companding ratio is then establish... | 04/11/2006 |
| 6940981 | Apparatus and method of limiting power applied to a loudspeaker A method of limiting the power applied to a loudspeaker is disclosed, in which both the voltage and current applied to the loudspeaker are measured, and instantaneous power is directly calculated and used to control the level of the input signal that drives the ampl... | 09/06/2005 |
| 6934593 | Process for noise reduction, particularly for audio systems, device and computer program product therefor A device for decoding audio signals subjected to a noise-reduction encoding such as a Dolby-B encoding comprises a plurality of processing blocks (612, 616, 620, 624, 628, 632, 636, 640) for generating, starting from an input signal (610) containing th... | 08/23/2005 |
| 6928172 | Automatic sound field correcting system In correcting the sound field, loudspeakers 6FL to 6WF are sounded by the noise. The attenuation factors of the inter-band attenuators ATF11 to ATFki for adjusting gains of the band-pass filters BPF11 | 08/09/2005 |
| 6907129 | System and method for digital volume control A circuit and related method for digital volume control are provided, where the circuit includes a digital filter configured to process samples of an input stream in a manner that processes a previous input sample during a time interval before a subsequent input sam... | 06/14/2005 |
| 6876751 | Band-limited adaptive feedback canceller for hearing aids An improved method for adaptively cancelling acoustic feedback in hearing aids and other audio amplification devices. Feedback cancellation is limited to a frequency band that encompasses all unstable frequencies. By limiting the bandwidth of the feedback cancellati... | 04/05/2005 |
| 6868162 | Method and apparatus for automatic volume control in an audio system An audio system (100) is provided with improved adaptive filter (206) to automatically adjust signal gain depending on the ambient noise level. The original music signal passes through a normalized adaptive filter (206), and is subtracted from t... | 03/15/2005 |
| 6678382 | Digital attenuator Apparatus and a concommitant method for generating an approximation of a logarithmically attenuated value of a digital signal in predefined increments. Specifically, the apparatus comprises a shift register, a latch and an adder. The shift register select... | 01/13/2004 |
| 6618486 | Controller for FM 412 multiplex power regulation A feedback controller, embedded in an FM audio processor, that controls the "integrated multiplex power" to the requirements of ITU-R 412 (2.51) is disclosed. This regulation specifies the maximum power, which is the same as the power produced by a sinewa... | 09/09/2003 |
| 6542612 | Companding amplifier with sidechannel gain control A companding amplifier wherein compression data is provided to an expansion circuit along with audio data. An analog audio input signal is compressed and converted into digital data by a compression circuit. The compression circuit includes a data framer ... | 04/01/2003 |
| 6501717 | Apparatus and method for processing digital audio signals of plural channels to derive combined signals with overflow prevented Level detectors detect levels of digital audio signals of individual channels. A controller predicts whether or not an overflow will take place corresponding to detected signals. When the controller predicts an occurrence of an overflow, attenuators atten... | 12/31/2002 |
| 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 |
| 6266423 | Microphone output limiter A microphone output limiter which detects the amplitude of a microphone and produces a control signal which lowers the microphone's impedance when the amplitude of the audio signal exceeds a preselected threshold level. The output signal is detected at th... | 07/24/2001 |
| 6195029 | Analog to digital conversion system that enables high-level signal excursions without clipping A method and apparatus for combining analog and digital processing techniques to thereby capture a much wider dynamic range of an original input signal than an A/D converter can by itself, to thereby preserve a maximum amount of information from the origi... | 02/27/2001 |
| 6154550 | Method and arrangement for automatically limiting distortion in audio devices A method and arrangement for automatically limiting distortion in audio devices utilizes a distortion detector for determining a harmonic distortion factor and the output of the distortion detector is fed back to a gain regulation input of the audio devic... | 11/28/2000 |
| 6081603 | Method and apparatus for automatic gain control using a linear limiter circuit with voltage controlled resistors as a variable element The present invention relates to a method and apparatus for adjusting the gain of an amplifier circuit. A gain control circuit compares the output of the amplifier with a reference voltage and adjusts a variable resistor, thereby altering the gain of the ... | 06/27/2000 |
| 5983183 | Audio automatic gain control system An automatic gain control (AGC) algorithm is provided to the digital signal processor instructions of an audio processing unit of a multimedia multipoint server. The AGC algorithm operates to bring the power level of the audio signal of every active chann... | 11/09/1999 |
| 5912977 | Distortion suppression in hearing aids with AGC In a method and an amplifier circuit for harmonic distortion suppression in hearing aids with signal-dependent gain control (AGC), a number of decay times of different length are prescribed for the gain control, and a switch is made between the decay time... | 06/15/1999 |
| 5910995 | DSP decoder for decoding analog SR encoded audio signals A decoder capable of decoding audio signals encoded using analog noise reduction techniques, particularly Dolby SR, is implemented by means of digital signal processing. The typical decoding paradigm used by analog Dolby SR decoders is modified to overcom... | 06/08/1999 |
| 5907622 | Automatic noise compensation system for audio reproduction equipment The disclosed audio signal processing system produces an acoustic signal in a listening space and includes devices for generating a desired volume signal, a noise signal representative of ambient noise conditions in the listening space, and an audio signa... | 05/25/1999 |
