270 results about "Binary information" patented technology

For interlaced B-fields or interlaced B-frames, forward motion vectors are predicted by an encoder/decoder using forward motion vectors from a forward motion vector buffer, and backward motion vectors are predicted using backward motion vectors from a backward motion vector buffer. The resulting motion vectors are added to the corresponding buffer. Holes in motion vector buffers can be filled in with estimated motion vector values. An encoder/decoder switches prediction modes between fields in a field-coded macroblock of an interlaced B-frame. For interlaced B-frames and interlaced B-fields, an encoder/decoder computes direct mode motion vectors. For interlaced B-fields or interlaced B-frames, an encoder/decoder uses 4 MV coding. An encoder/decoder uses “self-referencing” B-frames. An encoder sends binary information indicating whether a prediction mode is forward or not-forward for one or more macroblocks in an interlaced B-field. An encoder/decoder uses intra-coded B-fields [“BI-fields”].

Systems and methods for providing variable medical information. In some cases, the systems include elements operable to receive information from a number of implantable medical devices and to provide a common format information set. Thus, in one exemplary case, two types of encoded binary information is received from different implantable medical devices. This information can be converted to a desired format, and assembled into a common medical information database.

A record layout in a legacy application is defined by the record definition in the source code of the language in which the application was written. For each record in a legacy application, the layout of the record is saved in a language-neutral and architecture neutral format in preparation for a runtime invocation. During runtime, for each record, the legacy application can send architecture-specific binary information as it exists in memory on the legacy computer to a component runtime environment that will construct a compatible object-oriented instance of a class to manipulate the information. Once the information is manipulated, the updated information can be represented to the original legacy application in an architecture-specific binary record layout.

An encoder sends binary information indicating whether a prediction mode is forward or not-forward for one or more macroblocks in an interlaced B-field. For example, the encoder sends forward/not-forward decision information at B-field level in a compressed bitplane. Sending forward/not-forward prediction mode decision information in a compressed bitplane at B-field level can reduce coding overhead for prediction mode coding. A decoder performs corresponding decoding.

An apparatus and method for obtaining data stored in an electronic module within a power tool over a power line cord of the tool, and without any disassembly of the tool being required. An interface subsystem applies a high frequency, low power AC input signal to the power cord of the tool. A controller within the tool recognizes this signal as an indication that the tool is to be placed in a communications mode. The controller modulates a power switching device used for turning on and off the motor of the tool in such a fashion that current pulses are transmitted over the power line cord back to the interface subsystem. The current pulses correspond to tool usage/performance/identification information stored in the electronic module of the tool. This information is interpreted by a current reader circuit of the interface subsystem as binary information which is then transmitted to an external computing device for analysis and/or recording.

A method and apparatus for encoding a skip macroblock by dividing the skip macroblock into smaller skip sub blocks and using predictive motion vectors predicted from motion vectors of blocks adjacent to the skip sub blocks, and a method and apparatus for decoding the skip macroblock is provided. Accordingly, by adding predetermined binary information indicating whether the skip macroblock is divided to the skip macroblock that generally transmits only prediction mode information, division of the skip macroblock can be adaptively applied, or all skip macroblocks can be divided into sub-blocks to be processed, so that pixel values in the skip macroblock can be predicted by using motion vectors of spatially adjacent blocks. Therefore, prediction efficiency increases.

The invention belongs to the field of digital communication and digital storage, and particularly relates to a method for multi-code-rate coding based on grouped Markov superposition coding. The method is used for coding a binary information sequence shown in a specification to a codon shown in the specification, wherein the length of the binary information sequence conforms to the formula: K=kBL, the length of the codon is nB(L+m[k]), n is larger than 1, k ranges from 1 to n-1, namely, a code rate set is {1/n, 2/n,..., (n-1)/n}, L is the number of kB sequence groups of the same length, and mk is the memory span of each sub code with the code rate being k/n. The method comprises the following steps that firstly, the information sequence is divided into L groups shown in the specification with the equal length and a sequence shown in the specification with the length of nB is initiated when t is equal to -1, -2,...,-(mk-1), -mk; then, when t is equal to 0, 1, ...L-1, a sequence shown in the specification with the length being kB is divided into B groups and the B groups are sent to conversion defined by an n-dimensional matrix H for coding, so that a coding sequence shown in the specification with the length of nB is obtained and combined with elements shown in the specification, and the tth sub sequence shown in the specification of the codon shown in the specification is calculated. The method for multi-code-rate coding is simple in design, wide in code rate range and superior in performance.

The invention relates to a method for information storage with DNA (Deoxyribonucleic Acid). The method comprises the following steps: (1) converting binary information of an original document of a computer into quaternary information, encoding, converting into a DNA complete sequence, wherein binary codes 00, 01, 10 and 11 are respectively and correspondingly converted into four deoxyribonucleotides of A, T, C and G; (2) separating the DNA complete sequence into a plurality of DNA fragments, and organizing and establishing an output DNA sequence which is 90-110nt in length and comprises an interpolation nucleotide encoding sequence consisting of DNA fragments, side primer sequences at two ends, and index encoding sequences on the inner sides of the primer sequences; (3) according to the output DNA sequence, synthesizing an artificial DNA sequence, and storing the artificial DNA sequence. The method provided by the invention has the remarkable advantages of being good in universality, being capable of simplifying calculation, improving continuity, storage efficiency and density of DNA information storage, reducing fault rates, lowering sequence synthesis and detection cost, and the like.

The non-volatile memory cell has a volatile memory means for storing an item of binary information. Furthermore, the memory cell comprises only a single programmable resistance element for non-volatile saving of the stored information and a means for saving the information in the resistance element. A means for retrieving the saved information is additionally present.

Binary information is subjected to RZ encoding and multi-level encoding, and the encoded signal is optically modulated.

The invention relates to a magnetic stripe reader, and more particularly, to systems, devices and methods of directly extracting binary information embedded in a magnetic stripe using simple analog and digital signal processing techniques. Once information stored in the magnetic stripe is extracted as a F-2F waveform by the magnetic stripe reader, peaks, valleys and mid-level transition points between every consecutive peak and valley are detected. A peak-to-peak period and an average time are directly derived to determine whether the corresponding peak-to-peak transition is associated with a binary bit of “1” or “0”. This magnetic stripe reader spares a need for a multi-bit analog-to-digital converter (ADC) and a large memory, and thus, constitutes a simple and self-contained solution that may read out the binary information stored on the magnetic stripe with reduced power consumption and improved cost efficiency.

A method of operating a computer system. A first processor sends a first unit of binary information to an input/output (I/O) unit. The I/O unit then conveys the first unit of binary information to a functional unit in the computer system. A system response from the functional unit is then received by the I/O unit, which forwards the system response to the first processor. The system response is also stored in a first buffer. After a predetermined delay time has elapsed, the system response is then forwarded to the second processor.

An apparatus and method for obtaining data stored in an electronic module within a power tool over a power line cord of the tool, and without any disassembly of the tool being required. An interface subsystem applies a high frequency, low power AC input signal to the power cord of the tool. A controller within the tool recognizes this signal as an indication that the tool is to be placed in a communications mode. The controller modulates a power switching device used for turning on and off the motor of the tool in such a fashion that current pulses are transmitted over the power line cord back to the interface subsystem. The current pulses correspond to tool usage/performance/identification information stored in the electronic module of the tool. This information is interpreted by a current reader circuit of the interface subsystem as binary information which is then transmitted to an external computing data logging device for analysis and/or recording.

Aspects of a method and system for an optional closed loop mechanism with adaptive modulations for a multiple input multiple output (MIMO) WLAN system are provided. One aspect of the system may utilize properties of Eigenvalue analysis of MIMO systems to reduce the number of bits of binary information required to select a modulation type among a plurality of modulation types for each spatial stream among a plurality of spatial streams. This provides a reduction in the required number of bits when compared to other approaches and accordingly, enable greater flexibility in systems that utilize closed loop feedback mechanisms.

The invention discloses an MIMO radar communication integration method based on antenna array arrangement modulation, and belongs to the technical field of radar and communication. The method comprises the steps that firstly, a reference dictionary is constructed and a constellation diagram is designed according to an MIMO radar system; phase rotation is performed on the transmitting waveform at atransmitting terminal, and the constellation diagram is updated; then a binary communication data flow to be transmitted is divided into a plurality of code elements, and an array element-waveform paring mode corresponding to each code element is found out; finally, a radar transmitting terminal adjusts the transmitting array structure through changing the state of a radio frequency switch and transmits the corresponding radar pulse waveform; a radar receiving terminal processes the radar echo and realizes target detection; a communication receiving terminal processes a radar pulse signal andobtains an estimated value of an ordered steering vector of the radar transmitting array; constellation points in the constellation diagram are traversed to find out a constellation point which is the closest to the estimated value of the ordered steering vector, and binary information is demodulated. The MIMO radar communication integration method realizes downlink transmission of communication,significantly improves the data transmission rate, reduces the communication error rate and enhances the system reliability.

The invention provides a mobile payment identity verification method, which relates to the field of mobile communication and solves the problem of low safety of an identity verification method in the existing mobile payment manner. The method comprises the following steps that: an SE (Singly Entry) in an intelligent SD (Secure Digital) generates and saves a transaction verification code character, and a preset character template is utilized for generating a verification code image containing a transaction verification code; the intelligent SD card transmits the binary information of the verification code image to a mobile phone client side; and a controller of the intelligent SD card receives and analyzes a command containing a verification code returned by the mobile phone client side and transmits the command to the SE; the SE extracts the verification code returned by the mobile phone client side from the command and compares the verification code returned by the mobile phone client side with the transaction verification code saved by the SE; and when the verification code returned by the mobile phone client side is consistent with the transaction verification code, the identity verification is judged to be successful to continue to transact.

The invention relates to a visible light communication method combining color gamut modulation with spatial modulation. The visible light communication method includes the steps of S1, converting input binary information into a ( xn)-dimensional binary matrix, wherein the n refers to the total number of sent symbols, and the refers to the number of bits contained in the symbol sent for each time; S2, for every symbol, enabling FORMULA, wherein Nt refers to the number of RGB (red, green and blue) LED transmitters, mcsk refers to the number of bits contained in a CSK (color shift keying) modulation symbol for color gamut modulation, and mosm refers to the number of bits contained in an OSM (optical spatial modulation) symbol for spatial modulation; S3, after the CSK modulation symbol is subjected to CSK modulation, transmitting an acquired CSK modulation signal via the RGB LED transmitter selected by the OSM symbol; S4, by the aid of a receiver, receiving the CSK modulation signal transmitted by the RGB LED transmitter, and demodulating the OSM symbol and the CSK modulation symbol according to the received CSK modulation signal to restore bit information of the symbols.

The layered coding technique is employed to achieve the image quality scalability for video coding standards. The desired image quality scalability can be achieved by refining the image coefficients in subsequent enhancement layers. In most cases, the refinement coefficient consists of some binary information such as whether this coefficient is refined in this coding pass, whether this coefficient is positively or negatively refined, etc. Because it is generally difficult to code binary information efficiently with VLC (Variable Length Coding) technology, this disclosure introduces a method to code refinement symbol more efficiently with VLC by grouping the symbols of distinct binary elements.

The invention provides a remote underwater acoustic communication method based on soft-demodulation soft-decoding joint iteration. The method comprises the following steps that: a transmitting end performs low density parity check (LDPC) coding on a binary information sequence which is sent by a signal source, performs quaternary phase shift keying (QPSK) modulation and Gray mapping, maps code elements to one of four positions in a constellation diagram by taking two code elements as a group, performs Walsh-m composite sequence spectrum spreading to obtain a signal to be transmitted, and converts a digital signal to be transmitted into an underwater acoustic signal; and an underwater acoustic transducer at a receiving end converts the received underwater acoustic signal, de-spreads by using a composite sequence which is the same as that of the transmitting end to obtain a receiving signal, performs self-adaptation decision feedback equalization to obtain an amplitude fading complex signal, performs soft-demodulation soft-decoding joint iteration on the signal, stops joint iteration after set iteration frequency is reached, performs belief propagation (BP) decoding on an LDPC decoder and outputs a bit value to a sink. By the method provided by the invention, the reliability of remote underwater acoustic communication is improved. The method is applicable to the remote underwater acoustic communication.

A information modulating and demodulating method used on digital communication includes realizing modulation by utilizing binary information code element to directly vary abrupt phase of sine carrier wave, utilizing lock phase ring to realize demodulation, making modulated signal g0(t) corresponding to number zero be sine wave of N carrier wave period and making g1(t) corresponding to number one be in sine wave of N carrier wave period with frequency of fc, applying phase jump off angle theta and parameter tau as modulation index for varying signal bandwidth and transmission code rate as well as demodulation property.