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| Number | Title | Issue Date |
| 7949139 | Technique for subwoofer distance measurement The present invention automatically corrects for subwoofer or other speaker crossover settings or other parameters by providing an adjustable factor passed upon not only pulse location, but on pulse width. In FIG. 2, as the low-pass frequency of the subwoofer... | 05/24/2011 |
| 7835772 | FM output portable music player with RDS capability A FM output portable audio player is provided for digitally coupling audio signals generated therein to be broadcast through a radio receiver system, such as an automobile radio. The audio player includes an audio signal source for generating digital audio output si... | 11/16/2010 |
| 7711974 | SCLK auto-detection and generation in various serial port modes An apparatus and a method for clock mode determination utilizing SCLK auto-detection and generation circuitry at a serial port which has a reduced number of pin-count by eliminating the need for inputting a master input clock signal MCLK and/or a serial input clock ... | 05/04/2010 |
| 7664276 | Multipass parametric or graphic EQ fitting Multiple passes are executed in the setup of an equalizer, and modification of the equalization is performed after each pass of an analysis phase. After an initial pass, the equalization is adjusted, based upon the location of peaks and valleys in the system respons... | 02/16/2010 |
| 7643573 | Power management in a data acquisition system A data acquisition system includes a programmable gain amplifier, an analog-to-digital converter, a filter, and control circuitry. The programmable gain amplifier is operatively connected to receive an analog input signal on its input and generates an amplified sign... | 01/05/2010 |
| 7365669 | Low-delay signal processing based on highly oversampled digital processing A low-delay signal processing system and method are provided which includes a delta-sigma analog-to-digital converter, an oversampling processor, and a delta-sigma digital-to-analog converter. The delta-sigma analog-to-digital converter receives an input or audio si... | 04/29/2008 |
| 7324025 | Non-integer interpolation using cascaded integrator-comb filter A non-integer CIC interpolation filter is provided for use in sigma-delta digital-to-analog systems, which realizes non-integer interpolation but eliminates the need for coupling of the integrators in the output domain. The present non-integer interpolation filter p... | 01/29/2008 |
| 7310119 | Adaptive circuit for Y-C separation An adaptive circuit and method for separating luminance and chrominance components from a composite video signal by deriving three input lines from the composite video signal, determining whether any luminance similarity exists among the three input lines, and then ... | 12/18/2007 |
| 7289145 | Correlated double sampling variable gain amplifier circuit for use in a digital camera An image processor system for a charge coupled device (CCD) or CMOS imaging system includes a correlated double sample and variable gain (CDSVGA) circuit for receiving data from a CCD system and an automatic gain control (AGC) circuit which first controls gain by ad... | 10/30/2007 |
| 7283076 | Digital non-integer sample/hold implemented using virtual filtering A method and apparatus for implementing non-integer sample hold operations in a sigma-delta digital-to-analog converter system includes an interpolation filter, a polyphase filter circuit, and a modulator. The polyphase filter circuit is used to virtual upsample a d... | 10/16/2007 |
| 7215267 | Analog-to-digital converter with dither control An analog-to-digital converter system comprises an analog-to-digital converter and a dither generator. The analog-to-digital converter receives an analog input signal and generates a digital signal that is proportional to the analog input signal. The output of the a... | 05/08/2007 |
| 7196648 | Non-integer decimation using cascaded intergrator-comb filter A non-integer decimation filter for decimating an input value includes a first integrator for integrating the input value in an input sample domain at an input sample rate and for generating a first integral of the input value at its output and a second integrator f... | 03/27/2007 |
| 7193549 | Scheme for determining internal mode using MCLK frequency autodetect A method of determining an internal operating mode of an electronic circuit derives multiple comparison rates from a rate of a master clock input, computes one or more clock ratios of the comparison rates to a rate of a sample rate clock input, and determines whethe... | 03/20/2007 |
| 7126775 | Servo track address channel code for d=1 magnetic recording A rate ½, d=1 channel code encodes a Gray code servo track address into channel data recorded on a magnetic disk; a d=1 Viterbi sequence detector detects the recorded servo track address upon read back; a cost effective d=1 decoder decodes the recorded servo track ... | 10/24/2006 |
| 7091771 | Segmented chopping amplifier A chopping amplifier and method for chopping an input signal are disclosed. The chopping amplifier and method utilize at least two chopping amplifier stages. A chopping operation of an input signal is segmented across two or more chopping amplifier stages, and the t... | 08/15/2006 |
| 6993722 | User interface system methods and computer program products for multi-function consumer entertainment appliances A user interface system, method and computer program product permits selection of predetermined device application modes in a television set system and checking the activation status of other application modes. If active modes are identified which are incompatible w... | 01/31/2006 |
| 6940437 | Multibit delta-sigma modulator with variable-level quantizer A method of operating a delta-sigma modulator by providing a variable-level quantizer, which selectively enables an additional quantizer level(s) during a ramp up sequence of the modulator. The additional quantizer level(s) is/are disabled during normal operation. T... | 09/06/2005 |
| 6715042 | Systems and methods for multiport memory access in a multimaster environment A multiprocessor digital amplifier system is disclosed. A first processor is configured to decode a digital signal from a digital signal source. A second processor configured to provide control signals to the first processor. An expansion unit for communicating inst... | 03/30/2004 |
| 6629089 | Artificial neural network voice coil motor controller A robust Artificial Neural Network controller is proposed for the motion control of a magnetic disk drive voice coil motor (voice coil motor). The neural controller is used to approximate the nonlinear functions (actuator electromechanical dynamics) of th... | 09/30/2003 |
| 6374313 | FIFO and method of operating same which inhibits output transitions when the last cell is read or when the FIFO is erased A FIFO is operated so no changes occur on an output thereof in response to (1) only one stage of the FIFO having a signal stored therein when a read command is supplied to the FIFO exclusively of a write command and/or (2) the FIFO being flushed, i.e., er... | 04/16/2002 |
| 6356872 | Method and apparatus for storing digital audio and playback thereof A data conversion device is provided for storing digital data in a DAT (332) at a 16-bit word length and then recovering the data at a 24-bit word length with an overall reduction in truncation noise that would be inherently associated with data at the 16... | 03/12/2002 |
| 6329883 | Method and system for controlling a tuning voltage of a phase-locked loop circuit to an optimal value A method and system for controlling a tuning voltage of a phase-locked loop circuit to an optimal value are disclosed. Minimum and maximum bias current values are defined for a bias current from the linear control loop circuit. The linear control loop cir... | 12/11/2001 |
| 6326975 | Priority methods for texture map storage A process and implementing computer system for graphics applications in which information files such as texture maps (TMs) are prioritized and stored in a local relatively fast RDRAM memory. The method of prioritization includes initially sorting the info... | 12/04/2001 |
| 6272569 | Control system for providing interface to external modem A modem interface communicates data between a computer and a modem that is coupled to an external communication network. The modem interface includes a host interface for coupling to a host processor of the computer, an analog interface for coupling to th... | 08/07/2001 |
| 6226758 | Sample rate conversion of non-audio AES data channels An sample rate converter for non-audio AES data channels is presented. Channel status (C) information is transferred in 192-bit blocks. Access to received C channel data blocks is allowed, before the blocks are re-transmitted at the output sample rate. Th... | 05/01/2001 |
| 6200243 | User adjustable weight device with audio or talking capabilities User adjustable weight device 10 is worn by a user for applying weight to the user. Weight device 10 comprises a strap portion 12 and weight roll pockets 14. Rolls of weights 16 are inserted into and removed from the weight roll pockets 14 so that a desir... | 03/13/2001 |
| 6061948 | Adaptably mountable head with eyes for attachment to fishing lures An adaptably mountable head 30 or 40 that is adapted to be fitted or coupled to a presently existing or common fishing lure, such as a worm and hook fishing lure 10 or a fly fishing lure 20. The adaptably mountable head 30 or 40 respectively comprises a h... | 05/16/2000 |
| 6019050 | Portable and adjustable table with improved leg assembly An adjustable and portable table 10 with improved foldable leg assembly 20. The leg assembly 20 supports a table surface 12. The leg assembly 20 includes a mounting bar 18, a first angled leg component 40, and a second angled leg component 40. The second ... | 02/01/2000 |
| 6007373 | Apparatuses and methods for coupling DC power tools to external DC power sources Apparatus 10 uses presently existing, conventional extension cord(s) 40 to couple a power tool 20, which normally operates using an internal direct current power source (i.e. battery cartridge), to an external direct current power source 90. The apparatus... | 12/28/1999 |
| 5964376 | Inverted bottle support and dispenser apparatus and methods of making and using the same thereof An inverted bottle support and dispenser apparatus 20, 21, 22, or 23 for allowing a bottle or container 30 to stand in a normally inverted resting position. The dispenser apparatus comprises at least two tier components wherein the at least two tier compo... | 10/12/1999 |
| 5898381 | LED traffic light and method of manufacture and use thereof LED traffic light 30 having a housing 39 that holds at least three different signal lights 32, 34, and 36. The three lights 32, 34, and 36 are each embedded in an opening 50 of housing 39. The LEDs for traffic signal lights 32, 34, and 36 are arranged in ... | 04/27/1999 |
| 5860916 | Dissolvable tip for a colon hydrotherapy speculum system and method of manufacture and use thereof A dissolvable tip 20 or 40 for a colon hydrotherapy speculum system 100 that replaces the function of an obturator. The dissolvable tip 20 or 40 is made of a body of dissolvable material wherein a surface of the tip 20 or 40 is inserted and snugly fit int... | 01/19/1999 |
| 5833240 | Dexterity game board apparatus A game board for providing entertainment has playing areas in the form of recesses 14 that receive uniquely formed tokens or playing pieces 20. The recesses may have an upwardly facing flat surface 16 located below the board upper surface 12 at a depth th... | 11/10/1998 |
| 5823486 | Universal flexible arm A flexible arm apparatus 1 that has a base clamp 10, a support arm 75, an interface attachment 100, and capable of receiving an attachment 131, 140, or 150. The base clamp 10 has a threaded knob 43 that is rotatably secured at two ends and is used to move... | 10/20/1998 |
| 5824363 | Wallpaper pasting machine and method of making and using the same thereof An improved wallpaper pasting machine 10 and method of manufacture and use. The pasting machine 10 has a lid 20 and a trough 30. The lid 20 can completely cover the trough 30 to keep the paste from further drying out. An applying roller 40 for applying pa... | 10/20/1998 |
| 5794564 | Apparatus for preventing insects from accessing animal feeding containers and methods of making and using the same thereof An apparatus 10 adapted to receive, hold, and support conventional animal feeding container(s) 60 such as dishes, bowls, etc. wherein the apparatus 10 prevents insects from accessing the animal feeding container(s) 60. The apparatus 10 has an upper compon... | 08/18/1998 |
| 5755020 | Method of making combination toothbrush and storage/dispenser apparatus A combination toothbrush and storage/dispenser apparatus 10 having a handle 30 with a hollow chamber 30A, a toothbrush head 20 attached to an end of the handle 30, and at least one tray 40 for storing articles which the at least one tray 40 slidingly inse... | 05/26/1998 |
| 5709793 | Apparatus and method for in-situ application of chemical in a swimming pool or spa An apparatus 10 or 15 and corresponding methods for applying chemical/acid wash solution 65 from a container 60 in a swimming pool/spa 100 to clean and remove stains, scale deposits, and the like from desired areas. The apparatus 10 or 15 generally has a ... | 01/20/1998 |
| 5622021 | Wall brace apparatus and method for holding together and supporting walls and for forming an arena A wall brace apparatus and method for holding together and supporting walls and also for forming an arena or walled enclosed structure. Wall brace 10 or 15 has a frame 30, a top bracing member 40, and a bottom bracing member 50 for holding together, braci... | 04/22/1997 |
| 5608940 | Combination toothbrush and storage/dispenser apparatus and method of making the same thereof A combination toothbrush and storage/dispenser apparatus 10 having a handle 30 with a hollow chamber 30A, a toothbrush head 20 attached to an end of the handle 30, and at least one tray 40 for storing articles which the at least one tray 40 slidingly inse... | 03/11/1997 |
