Class / Patent application number | Description | Number of patent applications / Date published |
710069000 | Analog-to-digital or digital-to-analog | 31 |
20080209088 | ANALOG DATA GENERATING AND PROCESSING DEVICE FOR USE WITH A PERSONAL COMPUTER - An interface device ( | 08-28-2008 |
20080215777 | MULTIPLE CHANNEL WIRELESS COMMUNICATION SYSTEM - A wireless headphone device may include a receiver for receiving a wireless digital signal containing a plurality of digital audio streams combined with control codes according to a predetermined format, a manually operated selector switch for selecting one or more of the plurality of digital audio streams to be produced as audio for the user, and a decoder for extracting the selected audio streams from the received signal in accordance with the predetermined format and for responding to the control codes in the received signal to perform predetermined functions. A wireless headphone system may include a receiver, responsive to a transmitted digital bitstream in which a plurality of audio input channels are combined with control data, for decoding and demultiplexing the digital bitstream, a manual selector switch for selecting one or more of the audio input channels to be decoded and demultiplexed by the receiver from the transmitted encoded digital bitstream; and a sound producing device for selectively reproducing the one or more selected audio channels in accordance with the control data. | 09-04-2008 |
20080228969 | Apparatus and Method for Enabling Digital and Analog Data Communication Over a Data Bus - An electronic apparatus such as an audio apparatus enables both digital and analog data to be communicated over a data bus such as a universal serial bus (USB) with a single low-cost connector such as a USB connector. According to an exemplary embodiment, the electronic apparatus includes a connector operative to couple the electronic apparatus to one of a digital device and an analog device. A controller is operative to determine whether the connector is coupled to the digital device or the analog device. A switch is operative to couple the connector to one of a digital element and an analog element responsive to the determination | 09-18-2008 |
20090013107 | Method for Safe Data Transmission Between an Intrinsically Safe Sensor and a Non-Intrinsically Safe Evaluation Unit - In a method for safe data transfer between an intrinsically safe sensor and a non-intrinsically safe computer unit, data transfer occurs via an interface embodied as an Ex-barrier, or via a portable storage medium. | 01-08-2009 |
20090094393 | KVM switch and KVM system - A KVM switch includes: an inputting portion that is capable of inputting a plurality of video signals output from an information processing apparatus; and a transmitting portion that adds the pieces of identification information of the respective corresponding video signals to the plurality of video signals input by the inputting portion, and transmits the plurality of video signals to which the pieces of identification information are added, to a remote terminal via a network. | 04-09-2009 |
20090172220 | METHOD FOR TRANSMITTING AUDIO STREAMS AND AUDIO STREAM TRANSMITTING SYSTEM THEREOF - A method for transmitting audio streams includes providing a USB bus, and transmitting an audio stream through the USB bus by utilizing a bulk transfer mode. The method further includes providing a buffering module, buffering the audio stream in the buffering module to generate a buffered audio stream, performing a digital-to-analog conversion on the buffered audio stream to generate an analog playback signal, and performing an analog-to-digital conversion on an analog recording signal to generate the audio stream. | 07-02-2009 |
20090210591 | Universal Quick Port-Switching Method and Associated Apparatus - A universal quick port switching method and an associated apparatus are provided. An apparatus for universally and quickly detecting port switching includes a plurality of resistors for receiving a plurality of ground signals from a plurality of receiving ports, respectively; a divided-voltage detecting circuit coupled to the resistors, for generating a predictable divided voltage; and an analog-to-digital converter coupled to the divided-voltage detecting circuit, for generating a digital output according to the predictable divided voltage. The detecting apparatus determines whether the receiving ports are active or not according to the digital output. | 08-20-2009 |
20090265489 | Programmable CAN Bus To Analogue Signal Converter | 10-22-2009 |
20090300242 | Audio Data Processor and Method for Processing Audio Data - An audio data processor includes: a digital interface configured to transfer first audio data to an external apparatus through a one-way bus and transfers second audio data being in parallel with the first audio data regarding playback time to the external apparatus through an asynchronous two-way bus; and a controller configured to output a bit stream obtained by adding time information for specifying the playback time successively to the first audio data to the one-way bus, acquire an output request issued for each piece of the time information obtained successively from the bit stream from the external apparatus through the asynchronous two-way bus, and output a part of the second audio data corresponding to the time information of the output request through the asynchronous two-way bus. | 12-03-2009 |
20100064078 | WIRELESS COMMUNICATION BETWEEN TESTING INSTRUMENT AND NETWORK - An instrument for testing a CATV network includes a microcomputer for controlling the instrument, a memory coupled to the microcomputer, a keypad user interface coupled to the microcomputer, a digital signal processor (DSP) coupled to the microcomputer to be controlled thereby, an RF section, an analog-to-digital (A/D) converter coupled to the RF section and to the DSP, and a wireless adapter coupled to the microcomputer to provide wireless communication between the instrument and an internetwork access point. | 03-11-2010 |
20100095031 | Dongle Module, Console Module, Matrix KVM Switch System, Local-End Module, Remote-End Module, and Extender System - A dongle module including a digital video differential signal input terminal, a keyboard control signal I/O terminal, a mouse control signal I/O terminal, a processing unit, a transforming unit, a synthesizer unit and a signal I/O terminal is provided. The digital video differential input terminal receives a digital video differential signal, which includes multiple differential data signals, a differential clock signal and multiple low-frequency signals. The processing unit processes the low-frequency signal, a keyboard control signal and a mouse control signal to obtain a digital hybrid data. The transforming unit transforms the digital hybrid data into a differential hybrid signal. The synthesizer unit receives and composes the differential clock signal and the differential hybrid signal into a differential synthesized signal. The signal I/O terminal receives and outputs the differential data signals and the differential synthesized signal. | 04-15-2010 |
20100153597 | Generating Furtive Glance Cohorts from Video Data - The illustrative embodiments described herein provide a computer implemented method, apparatus, and computer program product for generating furtive glance cohorts. In an illustrative embodiment, video data of a monitored population is received and processed to form digital video data. The digital video data includes metadata describing glancing patterns associated with one or more subjects from the monitored population. The digital video is analyzed to identify a set of furtive glance patterns from the glancing patterns. One or more furtive glance attributes for the set of furtive glance cohorts are selected from the set of furtive glance patterns. Thereafter, the set of furtive glance cohorts is generated. The set of furtive glance cohorts have members selected from the monitored population and have at least one furtive glance attribute in common. | 06-17-2010 |
20100161857 | USB AUDIO CONTROLLER - An USB audio controller includes an USB interface unit, an audio interface unit, a storage interface unit, and a processing unit. The USB interface unit is used to connect to an USB bus for communicating with a host by a communication information. The audio interface unit is used to connect to at least one audio device for communicating with an audio signal. The storage interface unit is used to connect to a memory unit for communicating storage information. The processing unit is for processing the communicating information, storage information, or audio signal. | 06-24-2010 |
20100174837 | USING ANALOG SIGNALS TO COMMUNICATE THROUGH AN A/D CONVERTER AND USB INTERFACE - Methods and systems for communicating information through a USB device with A/D converters are presented. Active components which provide analog signals to the A/D converters are switched off to cause spikes in the analog signals/channels. The spikes are digitized by the A/D converters and sent to the host through a USB interface. The active components are switched on and off in a pattern corresponding to a message, such that the host can determine the message from the resulting spikes. If multiple active components and A/D converters are used, then multiple ‘bits’ can be transmitted simultaneously using the different channels. | 07-08-2010 |
20100217899 | MUNITIONS CONTROL UNIT - A munitions control unit for integrating existing vehicle electronics with at least one weapon, wherein said existing vehicle electronics are not equipped to interface with the at least one weapon includes a first I/O interface for communicating control signals with said vehicle, at least one second I/O interface different from the first I/O interface, said at least one second I/O interface communicating control signals with said weapon, a processor and memory operatively coupled to said first and at least one second I/O interface, and reconfigurable logic stored in memory and executable by the processor. The reconfigurable logic is operative to enable the munitions control unit to interface with a plurality of vehicles having different interfaces. | 08-26-2010 |
20110029701 | Physical Layer Interface for Computing Devices - A physical layer device for interfacing with multiple computing devices includes a digital core and first and second analog front ends. The digital core is operative to perform one or more functions of the physical layer device. Each of the first and second analog front ends is operative to perform signal conversion between a digital domain and an analog domain. The physical layer device further includes a digital switching circuit coupled to the digital core and to the first and second analog front ends. The digital switching circuit is operative to electrically connect the digital core to the first analog front end or the second analog front end as a function of a control signal applied to the digital switching circuit. | 02-03-2011 |
20110131353 | ANALOG DATA GENERATING AND PROCESSING DEVICE FOR USE WITH A PERSONAL COMPUTER - An interface device ( | 06-02-2011 |
20120005381 | UNIVERSAL SERIAL BUS (USB) INTERFACE DEVICE HAVING FUNCTIONS OF HIGH DEFINITION CONVERSION AND AUDIO SUPPORTING - Provided is a USB interface device includes a USB unit, a USB to digital video and digital audio module, a high-definition multimedia interface (HDMI) module, a memory control unit (MCU), and a power control module. The USB to digital video and digital audio module receives and converts video and audio signals into digital signals, which are then converted by the module to be applied to a displaying device (such as a displaying screen or a TV set). The USB to digital video and digital audio module contains a built-in EDID module to provide the optimum resolution data to the displaying device. As such, WUXGA (Widescreen Ultra. Extended Graphics Array) resolution can be realized and audio effect is supported. | 01-05-2012 |
20120023276 | SWITCH-STATE INFORMATION AGGREGATION - One switch-state aggregation technique uses a digital-to-analog converter in combination with an analog-to-digital converter to aggregate the state of a plurality of switches. Another switch-state aggregation technique uses input/output lines of a processor to aggregate the state of a plurality of switches and to communicate data other than the state of the switches. These techniques can be used to aggregate information about whether a plug or other connector is inserted into the ports of a patch panel or other telecommunication or communication assembly, system, or device. | 01-26-2012 |
20120159020 | SEMICONDUCTOR DEVICE - There is a need to cause a delay to occur less frequently than the related art during processing of an input signal in need of relatively fast processing. In a semiconductor device, a conversion portion includes first channels and second channels and A/D converts a signal input to a selected channel. A signal input to the first channel requires faster processing than a signal input to the second channel. The conversion portion receives a scan conversion instruction from a central processing unit, sequentially selects the input channels in a specified selection order, and successively performs A/D conversion. In this case, the conversion portion notifies a peripheral circuit of completion of A/D conversion after completion of A/D conversion on signals input to the first channels and before completion of A/D conversion on input signals input to all input channels. | 06-21-2012 |
20130198421 | Systems and Methods for Digital MRA Compensation - Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is discussed that includes: an analog to digital converter circuit, and a magneto-resistive adjustment circuit. The analog to digital converter circuit is operable to convert an input signal into corresponding digital samples. The magneto-resistive adjustment circuit is operable to reduce signal asymmetry in the digital samples due to sensing by a magneto-resistive head to yield a corrected output. | 08-01-2013 |
20130262722 | CONVERSION DEVICE, PERIPHERAL DEVICE, AND PROGRAMMABLE LOGIC CONTROLLER - A D/A conversion device includes a waveform-data-string storage area that stores therein a waveform data string including a plurality of digital values, a waveform-output-control-data storage area in which operation-mode specifying data and update request data are written, a digital-value output unit that, when the operation-mode specifying data specifies an automatic control mode, while sequentially updating an address to be read in the waveform-data-string storage area for each output period set in advance, sequentially reads and outputs a digital value and that, when the operation-mode specifying data specifies a step execution mode or an output-address change mode, while updating the address to be read at a timing when the update request data is written, reads and outputs the digital value, and a D/A conversion unit that converts the digital value output from the digital-value output unit into an analog value. | 10-03-2013 |
20130297840 | INTELLIGENT ELECTRONIC DEVICE CAPABLE OF OPERATING AS A USB MASTER DEVICE AND A USB SLAVE DEVICE - An intelligent electronic device (IED), e.g., an electrical power meter, having at least one removable memory device for storing data sensed and generated by the intelligent electronic device is provided. The IED includes a housing; at least one sensor; at least one analog-to-digital converter; at least one processing unit coupled to the at least one analog-to-digital converter configured to receive the digital data and store the digital data in a removable memory; and at least one device controller coupled to the at least one processing unit, the at least one device controller including an interface disposed on the housing for interfacing with the removable memory, wherein the at least one device controller is operative as a USB master or USB slave device controller. | 11-07-2013 |
20130311689 | TABLET COMPUTER SCREEN & MOBILE PHONE SCREEN TO DIGITAL I/O CONVERTER - An adapter that fits to a touchscreen of a tablet computer or mobile phone enabling input/output to the device for embedded control applications. Output is achieved by a plurality of photo-transistors arranged in a matrix which interpret a plurality of video image dots, squares or groups of pixels on the tablet/mobile phone screen converting them to 1s (ones) or 0s (zeroes). | 11-21-2013 |
20140075064 | INFORMATION PROCESSING DEVICE - An information processing device includes a first functional section having an external terminal, and a second functional section and a third functional section, which are commonly coupled to the external terminal of the first functional section. The first functional section includes a first internal circuit that is associated with the second functional section, a second internal circuit that is associated with the third functional section, a switch that can select the first internal circuit or the second internal circuit, and a switch control circuit that controls the operation of the switch. While the second functional section is enabled, the switch control circuit controls the switch so that the first internal circuit is coupled to the second functional section. While the third functional section is enabled, the switch control circuit controls the switch so that the second internal circuit is coupled to the third functional section. | 03-13-2014 |
20140207982 | Signal Processing System and Method for Processing Signals in a Bus Node - A signal processing system having a bus node, which is designed for signal conversion between signals of an internal and an external bus system and in each case includes at least one interface to be coupled to the external bus system and to the internal bus system, and having at least one signal conditioning module, which is designed for physical conditioning and/or analog/digital conversion for signals from an external component and includes an interface for an internal bus system and at least one connection for the external component and is connected to the bus note via the internal bus system. The bus node is designed for internal raw data processing of the signals provided by the signal conditioning module and to output at least one output signal dependent on the processed signals to the internal and/or to the external bus system. | 07-24-2014 |
20140258569 | SIGNAL PROCESSING SYSTEM AND ASSOCIATED METHOD - The present invention provides a signal processing system and associated method. The signal processing system includes converter(s) for conversion between digital and analog, each converter includes multiple serially coupled units forming multiple frequency interfaces respectively associating with different frequencies, and each converter is partitioned, at a selected frequency interface, to a first portion and a second portion respectively formed in the first chip and the second chip. The partitioning frequency interface is selected to reduce implement cost. | 09-11-2014 |
20150317260 | CONVERSION DEVICE, PERIPHERAL DEVICE AND PROGRAMMABLE LOGIC CONTROLLER - An A/D conversion device includes an input-data storage unit storing therein a plurality of digital values obtained after A/D conversion so that each of the digital values is positioned at a fixed address according to a delay amount, a coefficient-data storage unit, a coefficient-data computation unit that, when a digital-filter process performing request is inputted, calculates an order and a filter coefficient based on a filter characteristic set beforehand, arranges calculated filter coefficients in order of delay amount, respectively, and stores the filter coefficients in the coefficient-data storage unit so that each filter coefficient is positioned at a fixed address according to the corresponding delay amount, and a digital-filter computation unit respectively reading a digital value from the input-data storage unit and a filter coefficient from the coefficient-data storage unit for each delay amount and performing a filter computation based on the read values for each delay amount. | 11-05-2015 |
20150317261 | SEMICONDUCTOR DEVICE - There is a need to cause a delay to occur less frequently than the related art during processing of an input signal in need of relatively fast processing. In a semiconductor device, a conversion portion includes first channels and second channels and A/D converts a signal input to a selected channel. A signal input to the first channel requires faster processing than a signal input to the second channel. The conversion portion receives a scan conversion instruction from a central processing unit, sequentially selects the input channels in a specified selection order, and successively performs A/D conversion. In this case, the conversion portion notifies a peripheral circuit of completion of A/D conversion after completion of A/D conversion on signals input to the first channels and before completion of A/D conversion on input signals input to all input channels. | 11-05-2015 |
20150378954 | DYNAMICALLY CONFIGURABLE ANALOG FRONTEND CIRCUITRY - An analog frontend (AFE) interface is dynamically programmable. A single AFE circuit can interface with multiple different analog devices, and dynamically configure its input for efficient interfacing with each different analog device. The AFE receives multiple unprocessed analog input signals and samples the analog input signals. A preprocessor element in the AFE analyzes the input signals and generates control signals based on the analyzing. The control signals dynamically adjust how the AFE samples the analog input signals, and can improve the efficiency of the operation the AFE. | 12-31-2015 |
20160162204 | ANALOG DATA GENERATING AND PROCESSING DEVICE FOR USE WITH A PERSONAL COMPUTER - An interface device ( | 06-09-2016 |