Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
10/2004
10/12/2004US6804291 Device and method of digital gain programming using sigma-delta modulator
10/12/2004US6803873 Pipeline analog to digital converter
10/12/2004US6803871 Flash analog-to-digital converter
10/12/2004US6803868 Method and apparatus of producing a digital depiction of a signal
10/12/2004US6803867 DC compensation circuit for direct conversion receiver
10/12/2004US6803766 Battery pack voltage detection apparatus
10/12/2004US6803556 Photoelectric sensor and method of detecting an object to be detected using the same
10/07/2004WO2004086628A1 Encoder circuit and a/d converter circuit
10/07/2004WO2004047259A3 Power converter circuitry and method
10/07/2004US20040196674 Integrated circuit
10/07/2004US20040196171 Switched-capacitor frequency-to-current converter
10/07/2004US20040196170 Control systems having an analog control unit that generates an analog value responsive to a digital value and having twice the resolution of the least significant bit of the digital value and methods of operating the same
10/07/2004US20040196168 DAC/ADC system
10/07/2004US20040196079 Escalator code-based delay-locked loop apparatus and corresponding methods
10/07/2004DE19728037B4 Vorrichtung zur Umsetzung eines Digitalwertes in einen Analogwert Apparatus for converting a digital value to an analog value
10/07/2004DE10310970A1 Vorrichtung zur Messung der Position, des Weges oder des Drehwinkels eines Objektes Device for measuring the position, the path or the angle of rotation of an object
10/07/2004DE102004002722A1 Absoluter Codierer, der auf einem inkrementalen Codierer beruht An absolute encoder, which is based on an incremental encoder
10/06/2004EP1465348A1 Current DAC with a two-dimensional matrix decoder
10/06/2004EP1465347A1 Monotonic precise current DAC
10/06/2004EP1465346A1 Resolver/digital converter
10/06/2004EP1464924A2 R/D converter
10/06/2004EP1464120A2 Analogue to digital converter
10/06/2004EP1114515B1 Analog to digital conversion
10/06/2004EP0983633A4 Pulse shaping and filtering circuit for digital pulse data transmissions
10/06/2004CN1535504A Switched capacitor pipeline AD-converter
10/06/2004CN1535503A Method and appartus for suppressing tones induced by cyclic dynamic element matching (DEM)
10/06/2004CN1534569A Driving circuit of vacuum fluorescent display
10/06/2004CN1534562A Digital analog current conversion circuit possessing current storage duplicating function
10/05/2004US6801151 Method and apparatus for analog-to-digital pipeline conversion
10/05/2004US6801150 A/D conversion method and apparatus therefor
10/05/2004US6801149 Digital/analog converter, display driver and display
10/05/2004US6801148 Beamformed ultrasonic imager with delta-sigma feedback control
10/05/2004US6801147 Optical system and method for performing analog to digital conversion
10/05/2004US6801146 Sample and hold circuit including a multiplexer
10/05/2004US6801145 Interleaving A/D conversion type waveform digitizer module and a test apparatus
10/05/2004US6801142 Method and device for detecting bits in a data signal
10/05/2004CA2282776C Method and apparatus for high speed analog to digital conversion
09/2004
09/30/2004WO2004084273A2 Re-configurable mixed-mode integrated circuit architecture
09/30/2004WO2004084173A2 System and method for representing playing of musical instruments
09/30/2004WO2004068717A3 Current dac code independent switching
09/30/2004US20040190617 Accelerating video decoding using a graphics processing unit
09/30/2004US20040189507 Analog-to-digital conversion circuit and image processing circuit for stepwise conversion of a signal through multiple stages of conversion units
09/30/2004US20040189505 Analog-to-digital converter
09/30/2004US20040189504 Semi-flash A/D converter with minimal comparator count
09/30/2004US20040189500 Pipeline ad converter
09/30/2004US20040189498 Digital equalization apparatus
09/30/2004US20040189497 I/V converter circuit and D/A converter
09/30/2004US20040189438 Enhanced linearity, low switching perturbation resistor strings
09/30/2004US20040189370 On die variable resistor
09/30/2004DE4426461B4 Verfahren zum Verarbeiten eines Signals und entsprechende Vorrichtungen hierfür A method for processing a signal and relevant apparatus
09/30/2004DE102004010206A1 Projektionstyp-Drehcodierer Projection-type rotary encoder
09/29/2004EP1463020A2 Driving circuit for vacuum fluorescent display
09/29/2004EP1462771A2 Method and apparatus for determining the absolute position of an encoder's shaft
09/29/2004EP1461867A2 Digital to analogue converter
09/29/2004EP1461866A2 Analog-to-digital converter and method of generating an intermediate code for an analog-to-digital converter
09/29/2004EP1027680B1 Computational graceful degradation methods, apparatuses and a system using priority information in multiple objects case
09/29/2004CN1533035A A/D conversion circuit for converting signal by multistage conversion unit and image processing circuit
09/29/2004CN1533034A A/D adaptor
09/29/2004CN1532796A Reference voltage generating circuit of liquid crystal display device
09/29/2004CN1169301C Digital-to-analog conversion
09/29/2004CN1169300C Switched capacitor digital-to analog converter
09/29/2004CN1169288C Electronic volume circuit
09/28/2004US6798372 Switched-capacitor frequency-to-current converter
09/28/2004US6798371 Techniques for context-based analog-to-digital signal conversion
09/28/2004US6798370 Parallel A/D converter
09/28/2004US6798369 Precision, wide band pulse width modulator for digital to analog conversion
09/28/2004US6798367 Size-reduced majority circuit
09/28/2004US6798302 Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system
09/28/2004US6798185 Method and apparatus for testing analog to digital converters
09/28/2004US6797940 Optical encoder with triple photodiode
09/23/2004WO2004082146A2 Digital-phase to digital amplitude translator with first bit off priority coded output for input to unit weighed digital to analog converter
09/23/2004WO2004045089A3 Ultra-wideband pulse modulation system and method
09/23/2004WO2004042931A3 Configurable function implementing system and digital to analogue converters
09/23/2004WO2004034404A3 Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined
09/23/2004US20040183932 Solid state imaging device
09/23/2004US20040183709 Analog signal level detecting apparatus
09/23/2004US20040183708 Re-configurable mixed-mode integrated circuit architecture
09/23/2004US20040183707 Reference voltage generating circuit for liquid crystal display
09/23/2004US20040183706 Current-mode d/a converter having variable output and offset control
09/23/2004US20040183705 Input stage with switched capacitors for analog-digital converters
09/23/2004US20040183702 Magnetizable thermoplastic elastomers
09/23/2004US20040183701 Projection-type rotary encoder
09/23/2004US20040183000 Photoelectric encoder
09/22/2004EP1460764A1 Converter and method for digitizing an output of a resolver
09/22/2004EP1460763A1 Analog-digital conversion apparatus
09/22/2004EP1086532B1 Differentiating between input ranges in a passive keypad
09/22/2004CN1531779A Feedback A/D-or D/A-converter with reduced current consumption
09/22/2004CN1531207A Method for shortening coding-decoding synchronous time delay
09/22/2004CN1531200A 模拟信号电平检测器 Analog signal level detector
09/22/2004CN1167939C Rotary optical coding device
09/21/2004US6795010 Techniques for pausing and resuming analog-to-digital signal conversion
09/21/2004US6795008 System and method to substantially eliminate glitch in a digital to analog converter
09/21/2004US6795006 Integrator reset mechanism
09/21/2004US6795003 Hardware-efficient implementation of dynamic element matching in sigma-delta DAC's
09/21/2004US6794922 Signal processing circuit integrating pulse widths of an input pulse signal according to polarities
09/21/2004US6794892 Active matrix substrate inspecting method, active matrix substrate, liquid crystal device, and electronic apparatus
09/16/2004WO2004080055A2 Method and apparatus for the recovery of signals acquired by an interleaved system of digitizers with mismatching frequency response characteristics
09/16/2004WO2004079917A1 Method and device for estimating time errors in time interleaved a/d converter system
09/16/2004WO2004064485A3 Signal processing system with baseband noise modulation and noise filtering
09/16/2004US20040179118 Successive approximation calibration apparatus, system, and method for dynamic range extender