67results about "Dot-and-dash system" patented technology

The invention discloses a fire linking control system applied to urban rail transit and a method. The fire linking control system comprises a main control system, a fire automatic alarm system, an electromechanical device monitoring system, a communication system, an intelligent low-voltage system, a ventilating air conditioning system and the like; the fire automatic alarm system is used for realizing fire detection and alarming, judging whether a fire accident arises and the detailed location of the fire accident; the fire automatic alarm system selects a corresponding fire mode instruction according to environmental control requirements provided by the ventilating air conditioning system and different fire accident locations; the electromechanical device monitoring system receives and analyzes the fire mode instruction and drives fire fighting apparatuses to operate according to a predefined mode so as to execute a corresponding fire fighting mode. The fire linking control system can greatly increase the coordination linkage capability of fire fighting, save the response time of fire fighting, imorove fire fighting efficiency and enhance the reliability and stability of a fire fighting system.

A telecommunications platform has a cluster of processors which collectively perform a platform processing function. Plural processors of the cluster have Internet Protocol (IP) capabilities and respective plural IP interfaces. The plural processors of the cluster all have a same IP address. An Internet Protocol (IP) handler distributed throughout the cluster renders the IP interfaces of the plural processors of the cluster exchangeable so that knowledge of which one of the plural processors of the cluster is hosting an IP software application being accessed is unnecessary when selecting one of the plural IP interfaces for connecting to the cluster.

The system provides a gestural interface to various visually presented elements, presented on a display screen or screens. A gestural vocabulary includes 'instantaneous' commands, in which forming one or both hands into the appropriate 'pose' results in an immediate, one-time action; and 'spatial' commands, in which the operator either refers directly to elements on the screen by way of literal 'pointing' gestures or performs navigational maneuvers by way of relative or 'offset' gestures. The system contemplates the ability to identify the users hands in the form of a glove or gloves with certain indicia provided thereon, or any suitable means for providing recognizable indicia on a user's hands or body parts. A system of cameras can detect the position, orientation, and movement of the user's hands and translate that information into executable commands.

An interference canceling apparatus and method in a broadband wireless communication system is provided. The method includes deriving a first channel estimate value of a desired signal and a first interference channel estimate value of an interference signal by using burst allocation information of selected sectors or cells; deriving a first noise estimate value using the first channel estimate values and the first interference channel estimate value; detecting an interference signal interfering the desired signal by using the first interference channel estimate value and the noise estimate value; deriving burst allocation information of the detected interference signal and the desired signal; and deriving a second channel estimate value of the desired signal and a second interference channel estimate value of the interference signal using the derived burst allocation information.

Each embodiment of the invention provides a signal coding and decoding method. The method comprises the following steps: receiving a flashing signal which comprises a binary code in the form of a gray scale image, wherein the binary code is a code based on the flashing time length and interval of flashing equipment; calculating the brightness value of an area in each frame of picture in the gray scale image of the received signal; and resolving corresponding information of the binary code based on the brightness value changes of the frames of the gray scale image. Through adoption of the method, message sharing can be performed without a mobile terminal or a short-distance communication way (such as Bluetooth and NFC (Near Field Communication)).

A transmitter 108 converts a digital baseband signal input 150 for transmission by an antenna 114 to support multiple communication standards. An over-deviation phase multiplier 130 increases signal phase deviation by a factor of M. A digital phase modulator 176 applies trigonometric lookup tables. A digital intermediate frequency up-converter 132 up-shifts frequencies of desired signal content. First and second digital-to-analog converters (DACs) 134 and 136 use relatively low-bit operations, which add DAC noise 212. First and second low pass filters 138 and 140 apply rejection above frequencies of desired signal content. An analog I / Q modulator 142 converts from complex to real signals, adding an unwanted signal spaced from the desired signal content by an intermediate frequency multiple. A limiter 144 reduces amplitude modulated noise. An over-deviation phase divider 146 divides signal phase deviation by 1 / M to reduce phase modulated noise.

The invention relates to the ship light communication field, in particular to an automatic acquisition and identification system of a ship light signal. A lamp signal is sent, acquired, read and decoded manually, and even if a professional personnel executes the operation, the lamp signal may be decoded wrongly or can not be decoded because of the limitation of various reasons. Aiming at the defect of the traditional manual light communication technology, the invention provides the automatic acquisition and decoding system of the ship light signal. The system mainly consists of a lamp signal receiving system, an automatic sending system, a goal directional tracking subsystem and a central control system, wherein the continuous picture of the lamp signal is sent to a central control module by the lamp signal receiving system through a camera at the speed of 60 frames per second; a signal light source is controlled to send the light signal through the automatic sending system according to a command of the central control system; and the goal directional tracking subsystem comprises an incidence sensor which can keep the goal signal source within the range covered by the camera.

A method of charging for use of a facsimile apparatus, using an information processing unit provided therein, is disclosed that includes the steps of (a) the information processing unit obtaining the amount of facsimile transmission; (b) the information processing unit obtaining a transmission condition specified by a user; and (c) the information processing unit calculating a charge for the facsimile transmission using the amount of facsimile transmission and a charge corresponding to the transmission condition. The information processing unit stores data on the charge corresponding to the transmission condition for the facsimile transmission.

The invention provides a system and implementation method for mobile phone lamp signal transmission and recognition and relates to the technical field of mobile phone communication. The system and implementation method for mobile phone lamp signal transmission and recognition overcomes the technical shortages that the transmission and the recognition of an existing lamp signal are strong in professionalism and the lamp signal is not beneficial to the use of the common public. The system comprises a mobile phone body. A camera and a flash lamp are arranged on the mobile phone body. A character input unit, a Moore database comparing unit, a flash lamp drive and control unit, an image recognizing and comparing unit and a character display unit are stored in the mobile phone body. The character input unit receives a text input by a user and inputs the received text to the Moore database comparing unit. Split comparison is conducted by the Moore database comparing unit according to the input text so that a corresponding Morse alphabet signal can be obtained and the Morse alphabet signal is input into the flash lamp drive and control unit. A lamp signal used by a vehicle and a lamp signal used by a ship on the sea can be collected by the camera of a mobile phone, a rescue lamp signal generated by other light source devices can be used when a danger situation occurs, and the lamp signals are fed back to the mobile phone of a user in a text mode after comparison and recognition. Further, text information can be converted into the lamp signal generated by a flash lamp of the mobile phone which is driven, so that use is convenient.

A data reception unit for receiving a plurality of data streams over a data channel, the data streams being received as amounts of data and each amount of data comprising a data portion including data from a data stream and an identity portion identifying that data stream, the data reception unit comprising: a data stream memory comprising a plurality of data stream storage areas, each for storing data from a respective one of a set of the data streams, and an escape buffer; a first storage information memory for holding first storage information for facilitating storage in the respective data stream storage area of data from the set of the data streams; and a data storage controller for, for each received amount of data, receiving the identity portion of the amount of data and performing a storage operation comprising: accessing the first storage information memory; and if the first storage information memory holds first storage information for the data stream identified by the identity portion, storing the data portion of the amount of data in the data stream storage area corresponding to that data stream; and if the first storage information memory does not hold first storage information for the data stream identified by the identity portion, storing the data portion of the amount of data in the escape buffer; and a processing unit connected to the escape buffer for performing an assembly operation comprising executing steps to assemble the information stored in the escape buffer into respective data streams.

A programmable event driver / interface has timekeeping and scheduling functions and tone and voice capabilities. A software-based interface allows for direct communication with individual annunciators and dynamic grouping of annunciators by zone. System state of health can be ascertained periodically for each annunciator, displayed in a visual summary, stored, and time tagged. Both tones and audio signals such as voice and radio can be commanded to be output by individual annunciators as well as by zones and by all annunciators at once. Schedules, including time-of day, day-of week, and date for annunciator outputs can be programmed for any or all annunciators.

The invention discloses a telegram analyzing method and device. The telegram analyzing method comprises the steps that after the type of a received telegram is determined, telegram text factors recorded in advance under the type of the telegram are found from a telegram text factor data list; for each telegram text factor under the type of the telegram, a regular expression library is searched for a regular expression corresponding to the telegram text factor under the type of the telegram; for each found regular expression, matching is conducted on the telegram text of the received telegram and the regular expression, and a telegram text code obtained through matching is used as an analysis result of the telegram text factor corresponding to the regular expression. Due to the fact that matching is conducted on the telegram text factors in the telegram text of the telegram and the regular expressions, the position sequence relation between the position of a certain telegram text factor in the telegram text and other telegram text factors does not need to be considered, it is only required that the telegram text factor meets the filtering logic of the corresponding regular expression, and the telegram can be more compressively analyzed.

Embodiments of the invention disclose a short-distance information exchange method and system, an information sending device, an information receiving device and a terminal. The method comprises the following steps: receiving an information sending request, wherein the information sending request comprises information to be transmitted; carrying out coding on the information to be transmitted, and converting the information to be transmitted into a Morse code digital signal comprising Morse numbers and / or Morse letters; carrying out D / A conversion on the Morse code digital signal according to a Morse code encoding table to enable the Morse code digital signal to be converted into a Morse code sequence, and adding a character interval between two adjacent Morse codes to obtain a Morse code analog signal, wherein the Morse code sequence comprises more than one Morse codes arranged in sequence; and sending the Morse code analog signal in a Morse electric wave sound manner. Therefore, tedious and complex operation of carrying out pairing between user terminals sharing the information can be reduced, information transmission time is reduced, and information exchange efficiency is improved.

An image transmitting ball-point pen mainly consists of a battery compartment, a lower body, an extension tube and a tapered cap located at the terminal end of the extension tube which serves to fix a turning sleeve and an outer tube onto the extension tube. The turning sleeve has two slide grooves and a plurality of slots which are employed to contain the protrusions on the interior of the outer tube. The upper end of the transmitting plate is placed between two locating strips and the lower end of the transmitting plate extends downward to the locating grooves and the turning sleeve where it is locked by a lock pin passing through the slide channel and the locating grooves. When the outer tube is being turned, the turning action makes the transmitting plate a right or left movement as well as an up or down movement, so it further makes the ink cartridge which works as an antenna extending or retracting along the tapered cap.

The invention discloses a telegraph keying signal transmission processing system having adjustable acquisition / reception frequencies and a method and belongs to the telegraph technology field. The system comprises a computer, a communication unit, a keying signal acquisition unit and telegraph keying equipment which are in communication connection, and is for acquiring, transmitting and storing button states of multiple keying equipment in real time, the keying signal acquisition unit comprises an acquisition frequency setting module and a signal acquisition module, the communication unit comprises a caching computing module, a first communication module, a caching module and a second communication module, and the computer comprises a reception frequency setting module and a second data packet reception module. Through dynamic setting of the acquisition frequency of the acquisition equipment and the reception frequency of reception equipment, the acquisition and reception frequencies can be independently and dynamically adjusted to satisfy different-scale and quality requirements in a telegraph operator training system.

A method for data transmission in telegrams in a serial communication protocol comprises the following steps:assigning the user data to be transmitted to telegrams the basic structure of which comprisesa telegram header which includes information data about the telegram length, addressing, distribution of the user data to be transmitted into several telegrams or the like;a user data block which includes at least a part of the user data to be transmitted; anda checksum block which includes a checksum that is determined according to a checksum algorithm at least from the user data; andtransmission of the telegrams in consecutive intervals along a data transmission path.In this process, the user data block of the telegrams is divided into several user data sub-blocks each of which is protected individually by checksum sub-blocks.

Mobile communication terminal which inputs morse signal by terminal internal microphone and outputs corresponding message after conversion, or converts the inputted text / voice to morse signal then outputs and transferring the signal is disclosed. The mobile communication terminal having morse code analysis and conversion functions provided in present invention is characterized in that, it includes: an information input part for selecting morse signal receiving or transferring menu to inputting the text which will be converted into morse signal; a microphone for inputting the morse signal or voice signal; a voice / sound part for processing the inputted morse signal or voice signal by microphone; a control part for recognizing the processed morse signal by voice / sound part and converting to text or voice, converting the inputted text or voice to morse signal; a display part for displaying recognized morse signal in text form; a loudspeaker for outputting the recognized morse signal in a voice signal.

The invention discloses a ship light signal coding mode capable of achieving quick bilingual receiving and sending. A more concise combination of short flashing and long flashing is used for expressing numerical codes, the numerical code combination expressing Chinese characters is further simplified, the more concise numerical code combination expresses the commonly used Chinese characters, and therefore light signals are received and sent through the Chinese language. The ship light signal coding mode can improve the lamp signal receiving and sending speed and accuracy, avoid errors and interference of human factors, and rapidly express any complex character content. By utilization of the coding mode, quick light signal receiving and sending are performed, the mode is convenient and easy to learn, the technical requirement for using lamp signals is reduced, labor cost for using the lamp signals is lowered, the range for using the lamp signals is enlarged, and general fishing boats can use the lamp signals.

Method of exchanging information between Radio Remote Unit (RRU) and Baseband Unit (BBU) in Evolved Node B (eNodeB) when there is loss of synchronization of the Common Public Radio Interface (CPRI), including a) listening on BBU Small Frequency Factor (SFP) interface; b) when RRU detects an CPRI asynchronous event within a time period, conducting a hardware and software uncertainties test including the CPRI status, frequency, temperature, voltage, current and Radio Frequency (RF) operation; c) RRU converts checked uncertainty into text string; d) encoding text string into Morse code as binary bits 0,1; e) sending binary bits to the BBU by SFP module optical signal turning on and off; f) received data at the BBU SFP interface is encoded to Morse code, convert Morse code to text and writing file; and g) periodically checking the received text strings, collating them with predefined error codes, and take necessary trouble shooting steps.

A mobile device, computer program recording medium and method support surreptitious communication with a user via a mobile device via binary tactile inputs and outputs. A communication module of the mobile devices receives a first alphanumeric message that is converted to a first binary coded message that is rendered as first and second vibration outputs that are humanly distinguishable. A touch input component of one of a touch screen and a motion sensor detects a sequential pattern of user touches. Distinguished first and second tactile inputs in the sequential pattern identify a second binary coded message that is converted into a second alphanumeric message. First and second alphanumeric messages are comprised of a combination of characters selected from one or more of: (i) letters; (ii) numerals; and (iii) symbols.

The invention belongs to the technical field of sending of telegram codes and discloses universal telegram codes and a sending method of the universal telegram codes. The telegram codes involve a total coding rule, a digital coding rule and an English coding rule. The universal telegram codes are a novel code system different from traditional Morse codes. The code system considers the thought and the level of common people and is easy to learn and rapid to master, and meanwhile, decoding can be rapidly conducted. Compared with the traditional Morse codes, the average code learning time is shortened to 30 minutes from 30 days. Training of decoding and sending is completed within one day. The universal telegram codes and the sending method of the universal telegram codes can also be combined with the technology of mobile terminals such as a mobile phone, corresponding software and coders are developed, the telegram codes can replace the Morse codes completely in the future and be applied to the professional radio field, and as many people as possible can conduct coding and sending of telegram signals without professional training.

The invention relates to the technical field of radio, and discloses a Morse code recognition method, device and equipment based on a newspaper machine and a storage medium, which are used for improving the Morse code recognition efficiency. The method comprises the following steps: receiving a Morse code message, and judging according to a preset judgment threshold; wherein the level is a high level when greater than or equal to the judgment threshold and is a low level when less than the judgment threshold; carrying out edge capture to obtain duration time of a high level and duration time of a low level; calculating and adjusting a reference interval according to a preset rule, and determining a point code, a scratching code, a character interval and a word interval of the Morse code message in a current period of time according to the reference interval; separating character boundaries according to the dot codes, the scribing codes, the character intervals and the word intervals; and querying and obtaining corresponding characters in a preset Morse code comparison table according to the dot-row combination of the Morse message, and determining an identification result of the Morse message according to the characters and character boundaries.

The invention relates to the technical field of communication signal processing, in particular to a Morse code deep learning training data manufacturing method. The method comprises the following steps: S1, acquiring a Morse code audio signal sample, and preprocessing the Morse code audio signal sample to obtain a preprocessed audio signal; S2, analyzing and converting the preprocessed audio signal to generate a frequency spectrum picture of the audio signal; S3, establishing a neural network model to perform automatic pre-marking of training data on the spectrum picture; S4, manually markingtraining data of the spectrum picture after automatic pre-marking; and S5, generating a training data marking result by integrating the automatic pre-marking result and the manual marking result, andstoring the training data marking result and the Morse code audio signal sample in an associated manner. According to the method, the production of the Morse code deep learning training data can be completed quickly, efficiently and accurately, and a training data set is provided for the deep learning and intelligent identification of the Morse code.