Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 1 - Analogue/digital conversion; Digital/analogue conversion
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
01/2000
01/05/2000DE19829843A1 Conversion error correction method for analogue-to-digital converter
01/05/2000DE19813803C1 Measurement arrangement for measuring lengths and distance
01/05/2000CN1240542A Cyclic anglog-to-digital conversion
01/05/2000CN1240314A Signal-processing arrangement
01/04/2000US6011503 Half-flash type analog-to-digital converter capable of converting data at high speed
01/04/2000US6011502 Pseudo two-step current-mode analog-to-digital converter
01/04/2000US6011501 Circuits, systems and methods for processing data in a one-bit format
01/04/2000US6011500 Integrated circuit with a built-in D/A converter
12/1999
12/30/1999CA2596269A1 Process, voltage, temperature independent switched delay compensation scheme
12/29/1999WO1999067885A1 Device for quick d/a conversion of pwm signals
12/29/1999WO1999067884A1 Constant-current generation circuit, digital/analog conversion circuit and image processor
12/29/1999WO1999067878A1 Method and apparatus for improving modulation accuracy
12/29/1999EP0967760A2 Radio receiver for different data rates
12/29/1999EP0967729A2 Autocalibration of an A/D converter within a CMOS type image sensor
12/29/1999EP0967728A2 Switched capacitor type D/A converter and display driver
12/29/1999EP0967727A1 A method and electronic circuitry for providing a stable analog output in an integrated circuit digital to analog converter
12/29/1999EP0967726A1 Method and apparatus for extending the spurious free dynamic range of a digital-to-analog converter
12/29/1999EP0967725A1 Method and apparatus for extending the spurious free dynamic range of an analog-to-digital converter
12/29/1999EP0966792A1 A driver circuit for low voltage operation of a successive approximation register (sar) analog to digital (a/d) converter and method therefor
12/29/1999EP0966791A1 Evaluation of a pulse-width modulation signal
12/29/1999EP0797802A4 Digital trimming of on-chip analog components
12/29/1999CA2335963A1 Device for quick d/a conversion of pwm signals
12/28/1999US6008749 Mask programmable low power voltage/current-mode ADC
12/28/1999US6008748 Microwave phase logic implementations of an analog-to-digital converter
12/28/1999US6008747 Digital-to-analog converter with current source centrally located between a plurality of current mirrors
12/28/1999US6008673 High speed, low power, current mode comparator
12/28/1999US6008632 Constant-current power supply circuit and digital/analog converter using the same
12/23/1999WO1999066642A1 Digital-to-analog converter
12/23/1999DE19927512A1 Rotary decoder for electrically controlled camera
12/22/1999EP0966106A2 Bidirectional synthesis of pseudorandom sequences for arbitrary encoding resolutions
12/22/1999EP0966105A2 A/D Converter
12/22/1999EP0966104A2 Cascade A/D converter
12/22/1999EP0965216A1 Internet and intranet phone system
12/22/1999EP0965031A1 Voltage divider providing switchable resolution
12/22/1999CN1239571A Sound processing method, sound processor, and recording/reproduction device
12/21/1999US6005872 Method and device for synchronizing digital decoder and encoder clocks
12/21/1999US6005792 Circuit arrangement for a memory cell of a D/A converter
12/21/1999US6005614 Method for calibrating a multi-channel imaging system
12/21/1999US6005506 Receiver with sigma-delta analog-to-digital converter for sampling a received signal
12/21/1999CA2160288C Reader with high-resolution mode and high-speed mode
12/16/1999WO1999065147A1 Over-sampling a/d, d/a converter
12/16/1999DE19826009A1 Encoding disc with focussing arrangement for computer systems
12/15/1999EP0964525A2 Low-noise sigma-delta analog-to-digital converter
12/15/1999EP0964524A2 Nonlinear filter correction of multibit sigma delta modulators
12/14/1999US6002445 A/D conversion with wide dynamic range
12/14/1999US6002356 Power saving flash A/D converter
12/14/1999US6002355 Synchronously pumped substrate analog-to-digital converter (ADC) system and methods
12/14/1999US6002354 Variable potential generating circuit using current-scaling adding type D/A converter circuit
12/14/1999US6002352 Method of sampling, downconverting, and digitizing a bandpass signal using a digital predictive coder
12/14/1999US6002299 High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability
12/09/1999DE19825560A1 Analog-digital converter for heating control
12/08/1999EP0962057A1 A method of and a device for analog signal sampling
12/08/1999EP0715782B1 Digital to analog converter with oversampling
12/08/1999CN1237832A Capacitor array arrangement for improving capacitor array matching
12/07/1999US5999580 Data signal timing correction device, filter device, and wireless portable communication terminal
12/07/1999US5999564 System and method for iteratively determining quantization intervals of a remote ADC and modem employing the same
12/07/1999US5999115 Segmented DAC using PMOS and NMOS switches for improved span
12/07/1999US5999113 Interpolation circuit for encoder having a look-up table memory with reduced capacity
12/07/1999US5999109 Frame-based spectral shaping method and apparatus
12/07/1999US5998985 Voltage indicator using serial comparison voltage measurement
12/07/1999US5998842 Semiconductor device with gate and control electrodes that provide independent control of drain current
12/07/1999US5998784 Absolute position detection within 1 revolution using 3-channel incremental encoders with high resolution track
12/02/1999WO1999062180A1 Differentiating between input ranges in a passive keypad
12/02/1999WO1999062120A1 A capacitor array arrangment for improving capacitor array matching
12/02/1999WO1999056397A8 Programmable digitizer
12/02/1999DE19924075A1 Algorithmic analogue to digital converter for high speed operation
12/02/1999DE19904052A1 Video signal text data extractor, for teletext
12/01/1999EP0961410A2 An integrated circuit device
12/01/1999EP0897618B1 Digital to analogue converter with multiple output stages
12/01/1999CN1237290A Method and device to provide high-performance digital-to-analog conversion architecture
11/1999
11/30/1999US5995549 Network system using low-speed preamble for linking user nodes using high speed CSMA/CD communication
11/30/1999US5995035 Cyclic analog-to-digital converter that reduces the accumulation of offset errors
11/30/1999US5995033 Signal conditioning circuit including a combined ADC/DAC, sensor system, and method therefor
11/30/1999US5995032 Analog/digital converter with automatic control for controlling offset and gain
11/30/1999US5995031 D/A and A/D converters
11/30/1999US5995030 Apparatus and method for a combination D/A converter and FIR filter employing active current division from a single current source
11/30/1999US5994954 Method and apparatus for processing an analogue signal
11/30/1999US5994928 Rapidly charged sample-and hold circuit
11/30/1999US5994755 Analog-to-digital converter and method of fabrication
11/30/1999US5994741 Semiconductor device having digital and analog circuits integrated on one chip
11/25/1999WO1999060706A2 A method, device and carrier for encoding multiword information
11/25/1999WO1999060705A1 Recursive multi-bit adc with predictor
11/25/1999WO1999060704A1 Improvements in, or relating to analogue to digital conversion
11/25/1999WO1999060558A1 Electrooptic device, electronic device, and driver circuit for electrooptic device
11/25/1999WO1999060496A1 Circuit and method for calibrating phase shift between a plurality of digitizers in a data acquisition system
11/25/1999WO1999060495A1 Data acquisition system comprising means for analysing and storing in real time
11/25/1999WO1999060494A1 Data acquisition system comprising an analog input signal conversion circuit
11/25/1999DE19922060A1 Converting signals into controllable digital output signal for digital signal derived from analog sensor signal
11/25/1999DE19823110A1 Increasing audio quality in systems and modules of digital signal processing
11/25/1999DE19822843A1 Method to determine angular position or velocity of rotating shaft or axle, for use with IC engine
11/24/1999EP0959597A2 Quantizer that uses optimum decision thresholds
11/24/1999EP0959566A1 Digital to analog conversion apparatus and method
11/24/1999EP0834056A4 Absolute encoder
11/24/1999EP0631702B1 Averaging flash analog-to-digital converter
11/24/1999EP0532225B1 Method and apparatus for speech coding and decoding
11/23/1999US5990820 Current-mode pipelined ADC with time-interleaved sampling and mixed reference and residue scaling
11/23/1999US5990819 D/A converter and delta-sigma D/A converter
11/23/1999US5990817 A/D conversion device having a programmable transfer characteristic
11/23/1999US5990816 Digital-to-analog current converter employing floating gate MOS transistors
11/23/1999US5990815 Monolithic circuit and method for adding a randomized dither signal to the fine quantizer element of a subranging analog-to digital converter (ADC)
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