me

System and method for teaching injection techniques of the human head and face

An anatomical model assembly of the human head for use in teaching medical personnel. The anatomical model has an inner base that is shaped as part of the human skull. A first layer of material covers the base. The first layer of material provides a visual indication of at least some muscle groups contained within a human head. A second layer of material is provided that covers the first layer. The second layer of material has an exterior that is shaped with at least some human facial features. The second layer of material and the first layer of material are separate, unattached layers. The material selected for the first layer mimics the suppleness of muscle. The material selected for the top second layer mimics the feel and elasticity of skin. The result is an anatomical model that can be used to accurately teach, plan and practice medical procedures.




me

Activity monitor, method of calculating target activity amount, and storage medium

The activity monitor (100) includes a basic information acquisition unit (20) that accepts input of basic physical information (BA) of the user's body, a target information acquisition unit (30) that accepts input of the user's target physical expenditure (CS), an activity pattern acquisition unit (40) that acquires pattern information indicating the user's intent on the activity amount (AM), and a target activity calculation unit (50) that determines a target activity amount (TA) on the basis of the basic physical information (BA), the target physical expenditure (CS), and the pattern information acquired by the activity pattern acquisition unit (40).




me

Method and device for development of a system for management of the warnings and procedures on an aircraft

A method to develop a system for management of warnings and electronic procedures for an aircraft, comprising a database of parameters relating to the warnings and to logic and procedures, the aircraft comprising ATA equipment, comprises definition and calculation of maturity criteria for development of the system, which comprises, in order: A) verification of warnings in the database with respect to predefined lists of warnings and calculation of a maturity criterion, B) if the criterion of A>predetermined threshold, verification of the coherence of the logic for the warnings then definition and calculation of a maturity criterion, C) if the criterion of B>predetermined threshold, verification of the existence of the procedures and, for each warning, analysis of its logic with respect to its procedure, then definition and calculation of a maturity criterion, the system being fully set up when the latter criterion>predetermined threshold.




me

Apparatus and method for rapid and precise application of cosmetics

A method for selectively applying a reflectance modifying agent (RMA) to an area of skin, the method comprising receiving an image of the area of skin, identifying, using the image, a nominated point within the area of skin, determining an actual reflectance of the nominated point, applying an edge protection technique based on the image to generate one or more outputs, determining a desired reflectance of the nominated point based on the one or more outputs, calculating an amount of RMA to be applied based on the output, and determining whether to apply the RMA to the area of skin based on the amount of RMA.




me

Educational game for teaching addition and subtraction of whole numbers

An educational game for teaching addition and subtraction of whole numbers includes a carpet/game board including ten positively numbered spaces from +1 to +10 inclusive a 0 space and negatively numbered spaces from −1 to −10 inclusive and wherein said positive numbered spaces proceed upwardly in a generally zigzag direction from 0 to plus 10 and the negatively numbered spaces proceed downwardly from 0 to minus 10 and an extra space above the plus 10 and an extra space below the minus 10 wherein the extra space above the plus 10 is a win space and the space below the minus 10 is a lose space. The game also includes a single cube shaped die having six faces with an indication of plus 2, minus 2 and no movement on three of the faces and a plus 1, minus 1 and plus 1 plus and additional turn on the sixth face. Further, the game includes six game pieces of separate distinct colors.




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System and method for cardiac defibrillation response simulation in health training mannequin

Configurations for simulation of motions or movement in a health training mannequin for teaching purposes are disclosed. A cardiac defibrillation response simulation apparatus is configured to be housed separately from but interfaced with a health training mannequin to induce motion symptomatic response to electrical shock in the mannequin. In one embodiment a system comprises a motion inducer comprising a housing, an interface structure, and an actuator, wherein the interface structure is coupled to the actuator, movable relative to the housing, and configured to interface with a portion of a health training mannequin to induce motion in at least one portion of the health training mannequin. In another embodiment a method comprises interfacing a portion of a health training mannequin with an interface structure, the interface structure being coupled to an actuator and movable relative to a housing coupled to the actuator, the housing not being housed within a portion of the health training mannequin. Various hardware configurations are presented.




me

Medical injector simulation device

An apparatus includes a simulated medicament delivery device and an electronic circuit system coupled to the simulated medicament delivery device. The electronic circuit system is configured to output an electronic output associated with a use of the simulated medicament delivery device.




me

Augmented reality system, apparatus and method

Information technology tools can be provided to manage access by a plurality of attendees through a network to a presentation. Each of the attendees is registered with an associated content access status, and presentation data for the presentation is provided to a registered attendee based on the particular content access status of the registered attendee.




me

Method and system for acquisition of literacy

A computer-implemented method for enabling a child to learn to read, including maintaining a data store with information that characterizes the reading capabilities of children, receiving a stream of sensor data from one or more input devices, the sensor data representing the speech of a person speaking, the person being either an adult or a child, or a sequence of scenes, identifying a meaningful utterance or a meaningful scene from the stream of sensor data, representing the meaningful utterance or meaningful scene in written text using words and grammar appropriate to the reading level of the child, based on information stored in the data store, providing the output text to a display device for presentation to the child, and receiving user feedback.




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Method and system for quantitative assessment of visual motor response

A method and system are presented to address quantitative assessment of visual motor response in a subject, where the method comprises the steps of: (1) presenting at least one scene to a subject on a display; (2) modulating the contrast of a predetermined section of the scene; (3) moving the predetermined section relative to the scene with the movement being tracked by the subject via at least one input device; (4) measuring a kinematic parameter of the tracked movement; (5) quantitatively refining the tracked movement; (6) determining the relationship between at least one of the scene and the quantitatively refined tracked movement; (7) adjusting the modulated contrast relative to the quantitatively refined tracked movement; (8) calculating a critical threshold parameter for the subject; and (9) recording a critical threshold parameter onto a tangible computer readable medium.




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Method and system for quantitative assessment of word recognition sensitivity

A method and system are presented to address quantitative assessment of word recognition sensitivity of a subject, where the method comprises the steps of: (1) presenting at least one scene, comprising a plurality of letters and a background, to a subject on a display; (2) moving the plurality of letters relative to the scene; (3) receiving feedback from the subject via at least one; (4) quantitatively refining the received feedback; (5) modulating the saliency of the plurality of letters relative to accuracy of the quantitatively refined feedback; (6) calculating a critical threshold parameter; and (7) recording a critical threshold parameter onto a tangible computer readable medium.




me

Adaptable audio instruction system and method

An adaptable audio instruction system and method allows for tailoring and modification to audio sequences used for audio instruction of users. The tailoring and modification abilities of the system regard content and presentation details of the audio sequences to comply with user preferences and user progress in learning content contained in the audio sequences.




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Systems and methods for multi-user multi-lingual communications

Various embodiments described herein facilitate multi-lingual communications. The systems and methods of some embodiments enable multi-lingual communications through different modes of communication including, for example, Internet-based chat, e-mail, text-based mobile phone communications, postings to online forums, postings to online social media services, and the like. Certain embodiments implement communication systems and methods that translate text between two or more languages. Users of the systems and methods may be incentivized to submit corrections for inaccurate or erroneous translations, and may receive a reward for these submissions. Systems and methods for assessing the accuracy of translations are described.




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System, method and multipoint control unit for providing multi-language conference

A system for providing multi-language conference is provided. The system includes conference terminals and a multipoint control unit. The conference terminals are adapted to process a speech of a conference site, transmitting the processed speech to the multipoint control unit, process an audio data received from the multipoint control unit and output it. At least one of the conference terminals is an interpreting terminal adapted to interpret the speech of the conference according to the audio data transmitted from the multipoint control unit, process the interpreted audio data and output the processed audio data. The multipoint control unit is adapted to perform a sound mixing process of the audio data from the conference terminals in different sound channels according to language types, and then sends mixed audio data after the sound mixing process to the conference terminals.




me

Interactive system and method for shooting and target tracking for self-improvement and training

A device configured to track and capture the movement data of a target as well as shooting and firearm movement activity of a hunter includes a housing, a camera, sensors, a processor, a memory, and a battery. The camera is disposed in close proximity to the housing to capture the movement of a target. One or more sensors are disposed in the housing and interfaced with the processor to capture the velocity and orientation of a gun. A trigger activation sensor is also in communication with the processor. The memory stores camera activity, trigger activity, sensor activities, and also stores an alarm setting on the device. The processor activates the alarm setting when predefined criteria are met. Radar can be incorporated to determine the distance of the target from the user. GPS can also be included to provide precise location and time information.




me

Training method and a device for carrying out said method

The invention relates to training and can be used for learning and/or developing movement skills, fixing dynamic stereotypes and for training movement coordination. The aim of the invention is to provide a trainee with on-line correcting tactile feedback during training and to improve techniques and rate of a movement by bringing it as close as possible to a reference movement. The inventive training method consists, when learning a movement, in digitizing said movement, in comparing it with the digitized pattern of a reference movement and, if the trainee deviates from the reference movement, in receiving by said trainee a tactile feedback (tactile action) for on-line correcting said movement. The inventive device comprises sensors for on-line movement digitizing, a computer for comparing the thus obtained digitized movement with the reference movement (specified by an expert or simulated on the computer) for controlling the tactile feedback elements and said tactile feedback elements for performing the correction action.




me

Method and device for injecting a fluid into an artificial venous structure

A training device for sclerotherapy. The device includes at least one artificial venous structure adapted to contain a fluid, a reservoir, and a fluid path connecting the artificial venous structure to the reservoir.




me

Image display apparatus, image display method, and of image display program

An image display apparatus includes a communication unit to communicate with information processing apparatuses; an image synthesizing unit to synthesize a multi-segmented screen image composed of screen images of the information processing apparatuses; a projection unit to project the multi-segmented screen image onto a screen; a functional mode management unit to control switching between a normal projection mode and a multi-segmented screen operation mode; an image capture device to capture the multi-segmented screen image and a hand movement of an operator when switched to the multi-segmented screen operation mode; a designated screen image recognition unit to detect a hand movement of the operator based on the image captured by the image capture device, and to recognize a screen image designated as an active-target image; and a signal control unit to transmit a request of image data transmission to an information processing apparatus corresponding to the designated active-target image.




me

Apparatus and method of simulating a somatosensory experience in space

A method of providing a user with an extra-terrestrial somatosensory experience includes equipping the user with an underwater breathing apparatus, having the user occupy an underwater environment, such environment providing buoyancy to the user, and while the user occupies the underwater environment, using a computer-implemented virtual reality system to present to the user a virtual reality environment modeling an extra-terrestrial setting. The virtual reality system inhibits visual perception by the user of items outside of the virtual reality environment so that the user experiences the virtual reality environment under a buoyancy condition provided by the underwater environment. The buoyancy condition enhances the experience of the virtual reality environment.




me

Method and system for controlling skill acquisition interfaces

A method and system for capturing expert behavior that the expert is not even necessarily conscious of, such as gaze patterns, that are tied to positive outcomes, and to create a catalog (e.g. database) of these behaviors. The system compares the current behavior of a person, for example a novice, against this catalog of expert behaviors. If the current behavior is significantly different, the system would adapt various aspects of the interface to bring the current behavior closer in line to that of the expert.




me

Games having biotechnological content

Systems and methods for use in playing biotic games having a biologically active material as a component. Various games that provide for one or more human players to interact with biologically active materials are disclosed. The game apparatus includes a replaceable cartridge having a chamber in which a biologically active component such as a single-celled organism or a biologically active compound is contained. A stimulus controller accepts instructions from a human user and provides a stimulus to the biologically active component. A response receiver accepts a signal indicative of a response of the biologically active component. A display is provided to display to the user information indicative of the response of the biologically active component, and a game score. A computer-based game controller includes a set of pre-defined rules of play that define a game and that comprise pre-defined rules of scoring for the game.




me

Systems and methods for teaching phonemic awareness

A system to teach phonemic awareness uses a plurality of phonemes and a plurality of graphemes. Each phoneme is a unique sound and an indivisible unit of sound in a spoken language, and each grapheme is a written representation of one of the plurality of phonemes. A plurality of distinct graphical images and a plurality of unique names are provided where each unique name is associated with one of the graphical images and represents a grouping of graphemes selected from the plurality of graphemes. The system uses a plurality of sets of display pieces having a plurality of individual display pieces. Each individual display piece includes at least a portion of one of the graphical images and the graphemes from the grouping of graphemes constituting the associated unique name. A predefined instructional environment defines a predefined spatial context and predefined rules governing the acquisition and utilization of individual display pieces.




me

Automatic rule dropping device for linecasting machines equipped with remote control operating mechanism




me

Line justifying means and method in selective printing machines




me

Equipment for type setting




me

Metal stamps and holder therefor




me

Apparatus for and a method of revising type in columnar form




me

Composing machine improvements




me

Matrix tabulating and alignment tool




me

DIE HOLDER WITH STAMPING DIE MEANS

A stamping die holder comprises a tube of noncircular e.g., square cross-section, having die receiving transverse openings at one end, a clamp of correlative non-circular cross-section slidable in the tube adjacent the die openings for holding a die means in the openings, a screw engaging a thread on the clamp to move the clamp to and from die engaging position, the head of the screw being captured between two apertured plates held in the tube, the screw extending through the aperture in one plate and the aperture in the other plate providing access for a socket wrench to engage a socket in the screw head to turn the screw and move the clamp. The clamp has a hard rubber face providing enough resiliency to maintain tightness while at the same time preventing wobble of the die means. Hammer actuated stamping dies carrying letter or other metal marking indicia may be held in the holder, e.g., dies for identification of inspected welded material.




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Means for regulating pressure in a pressure chamber

PCT No. PCT/DE96/01067 Sec. 371 Date Jun. 17, 1998 Sec. 102(e) Date Jun. 17, 1998 PCT Filed Jun. 17, 1996 PCT Pub. No. WO97/16777 PCT Pub. Date May 9, 1997For regulating the pressure in a pressure chamber, in particular in a pneumatic brake apparatus for a web-type recording medium, an actual pressure is set in the pressure chamber dependent on an actual angle of rotation of a rotary valve. The actual angle of rotation of the rotary valve and the actual pressure in the pressure chamber are acquired. A target pressure and a target angle of rotation allocated to this target pressure are predetermined, and a pressure deviation between the actual pressure and the target pressure are determined, as is a deviation of the angle of rotation between the actual angle of rotation and the target angle of rotation. An adjusting unit sets the angle of rotation at the rotary valve, first dependent on the deviation of the angle of rotation and then dependent on the pressure deviation. Furthermore, a sensor for acquiring the angle of rotation is specified.




me

System and method for upgrading the functionality of a controlling device in a secure manner

Secure access to a database of upgrade data is provided by storing an encryption key value in a cable used to interconnect a first device and a second device that is associated with the database of upgrade data. The second device allows access to the database of upgrade data via the cable only when the cable is first positively authenticated by the second device through use of the encryption key value stored in the cable.




me

Automatically loading printing device and method of printing

A printing device is provided with a print die storage rack, a pickup head, a print head, and a printing surface. The print die storage rack is adapted to hold a multitude of print dies. The pickup head is provided to move one or more print dies to and from the storage rack and the print head. The print head is adapted to hold one or more print dies and move them between the pickup head and the printing surface. The printing surface is provided to hold and secure print media. The device is capable of any form of printing, embossing, debossing, foil stamping and the like. A method of printing is also provided.




me

Apparatus and method of compensating for I/Q imbalance in direct up-conversion system

An apparatus and a method of compensating for an I/Q imbalance in a direct up-conversion system prevents the performance of the system from being deteriorated by efficiently compensating for an I/Q timing skew, an I/Q phase imbalance, and an I/Q gain imbalance by using a characteristic of an OFDM scheme in an Orthogonal Frequency Domain Multiple (Access) (OFDM(A)) system using a direct up-conversion scheme. According to the apparatus and the method of compensating for an I/Q imbalance in the direct up-conversion system of the present invention, an OFDM(A) system using a direct up-conversion scheme may efficiently compensate for I/Q timing skew, I/Q phase imbalance, and I/Q gain imbalance by using a characteristic of an OFDMA scheme, so that a performance of the system is prevented from being deteriorated.




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Method and apparatus of transmitting training signal in wireless local area network system

A method of transmitting a training signal in a Wireless Local Area Network (WLAN) system includes generating one or more first training signals for a first destination station and one or more second training signals for a second destination station by applying a mapping matrix P to a training signal generation sequence, mapping the first training signals and the second training signals to a plurality of antennas according to an antenna mapping matrix, and performing Inverse Fast Fourier Transform (IFFT) on each of the first training signals and the second training signals mapped to the plurality of antennas and transmitting the training signals through the plurality of antennas.




me

Method and device for retransmitting data under antenna gain imbalance

The disclosure provides a method and device for retransmitting data under antenna gain imbalance, and the method includes: determining that gains of multiple antennas at a transmission terminal are imbalanced; using a better spatial sub-channel in the multiple antennas to retransmit data when streams transmitted by the multiple antennas adopt a same Modulation and Coding Scheme; and using a better spatial sub-channel in the multiple antennas to retransmit data and/or using a single-stream approach to retransmit data when the streams transmitted by the multiple antennas adopt different Modulation and Coding Schemes. The disclosure selects a corresponding retransmission approach according to the condition of a spatial sub-channel on which streams have an error, thus improving and ensuring success rate for retransmitting a stream.




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Carrier frequency offset compensation apparatus and associated method

A carrier frequency offset compensation method for a communication system is provided. The method includes: mixing, filtering and interpolating an input signal according to a mixing parameter, a first filtering parameter and a first interpolation parameter, respectively, to generate a processed result; calculating a carrier frequency offset estimation value of the input signal according to the processed result; adjusting the mixing parameter according to the carrier frequency offset estimation value; and mixing, filtering and interpolating the input signal according to the adjusted mixing parameter, a second filtering parameter and a second interpolation parameter, respectively. The first interpolation parameter is associated with a cut-off frequency corresponding to the first filtering parameter.




me

Systems and methods for carrier phase recovery

Systems and methods for carrier phase recovery are provided. One method includes providing a reference signal, detecting an input signal and determining a Signal to Noise Ratio (SNR) of the input signal. The method also includes employing a Minimum Mean Square Error (MMSE) algorithm based on the SNR to determine a Carrier Phase Recovery Loop (CPRL) bandwidth.




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Systems, apparatus, and methods for receiving paging messages by creating fat paths in fast fading scenarios

This disclosure provides systems, methods, and apparatus for receiving paging messages in fast fading scenarios. In one aspect, a method of demodulating a paging message during an assigned time slot by a wireless communications apparatus operating in an idle mode is provided. The method includes determining, in anticipation of the assigned time slot, an expected time position corresponding to a path of a pilot signal having a greater signal strength relative to other pilot signals. The method further includes assigning a first demodulation element to demodulate the pilot signal with reference to the expected time position and assigning a second demodulation element to demodulate the pilot signal with reference to a time offset from the expected time position. Other aspects, embodiments, and features are also claimed and described.




me

Staggered transmission and reception for reducing latency and memory

A demodulator processes a continuous-time signal to generate at a plurality of encoded bits. An inner decoder processes a first subset of bits within the plurality of encoded bits to correct selected ones of the first subset of bits to form a corrected first subset of bits and to generate partially corrected data from the plurality of encoded bits based on the corrected first subset of bits. An outer decoder processes the partially decoded data, to correct selected ones of a second subset of the plurality of encoded bits to form a corrected second subset of bits. A bit combiner generates data estimates by combining the corrected first subset of bits and the corrected second subset of bits.




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Method and apparatus for iteratively detecting and decoding signal in communication system with multiple-input and multiple-out (MIMO) channel

A communication apparatus with a multiple-input and multiple-output (MIMO) channel, includes a minimum mean square error (MMSE) detector configured to estimate quadrature amplitude modulation (QAM) symbols based on signals received through the MIMO channel. The apparatus further includes a QAM demodulator configured to demodulate the estimated QAM symbols, and estimate a first posterior probability of each of encoded bits of the estimated QAM symbols, and a first module configured to remove a first prior probability of each of the encoded bits from the first posterior probability to generate soft estimates of the encoded bits. The apparatus further includes a channel decoder configured to decode the encoded bits based on the soft estimates, and generate an improved posterior probability of each of the encoded bits, and a second module configured to generate a second prior probability of each of the encoded bits based on the improved posterior probability.




me

Digital broadcasting receiving system and associated signal processing method

A digital broadcasting receiving system is provided. A receiving module receives an M number of symbols each carrying an N number of subcarriers of a control signal. A converting module performs FFT on respective kth subcarriers of an ith symbol and an (i+1)th symbol to generate an (i, k)th converted value and an (i+1, k)th converted value. A demodulating module performs differential demodulation on the (i, k)th and (i+1, k)th converted values to generate an (i, k)th demodulation value. A combining module soft-combines the (i, 1)th demodulation value through the (i, N)th demodulation value to generate an ith prediction value corresponding to the ith symbol. A determining module identifies a synchronization segment in the control signal according to the 1st prediction value to the (M−1)th prediction value.




me

Signal modulation scheme determination through an at least fourth-order noise-insensitive cumulant

Various embodiments associated with an at least fourth-order cumulant of a signal are described. The at least fourth-order noise-insensitive cumulant of the signal can be taken and compared against an at least fourth-order noise-insensitive cumulant of known signals. A match can be found between the signal and a known signal and from this match, a demodulation scheme of the signal can be determined. The demodulation scheme can be used to demodulate the signal.




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Method and apparatus for mitigating signal interference in a feedback system

A system that incorporates the subject disclosure may include, for example, a process that includes adjusting a filter in electrical communication between an input terminal and a demodulator. The filter is applied to an information bearing signal, e.g., to mitigate interference, received at the input terminal, resulting in a filtered signal. An error signal is received, indicative of errors detected within information obtained by demodulation of a modulated carrier of the filtered signal. A modified filter state is determined in response to the error signal and the filter is adjusted according to the modified filter state, e.g., to improve mitigation of the interference. Other embodiments are disclosed.




me

Radio frequency (RF) receivers with whitened digital clocks and related methods

Radio frequency (RF) receivers having whitened digital clocks and related methods are disclosed. Disclosed embodiments generate whitened clocks having random variations that are used to operate digital processing blocks so that interference created by the whitened clocks is seen as white noise within the received RF signal spectrum. RF input signals are received by RF front-ends (RFFEs) that output analog signals associated with channels within the RF input signals. These analog signals are converted to digital information and processed by digital receive path circuitry that outputs digital data associated with the channel. The digital receive path circuitry includes a whitened clock generator that generates a whitened clock having random variations and which a digital processing block that operates based upon the whitened clock. Further, the RFFE and the digital receive path circuitry are located within a single integrated circuit.




me

Very low intermediate frequency (VLIF) receiver and method of controlling a VLIF receiver

A very-low intermediate frequency (VLIF) receiver and a method of controlling a VLIF receiver. The method comprises receiving a first signal, the first signal including one or both of an on-channel signal portion and an adjacent channel interferer (ACI) portion; determining that the first signal includes a portion having a strength that is above a threshold; in response to determining that the first signal includes a portion having a strength that is above the threshold, estimating one or more IQ imbalance parameters for at least a portion of the first signal; and compensating for an IQ imbalance in at least the portion of the first signal using the one or more IQ imbalance parameters.




me

Receiving circuit, use, and method for receiving an encoded and modulated radio signal

A receiving circuit, use, and method for receiving an encoded and modulated radio signal is provided. The circuit comprise a demodulator and a digital filter connected downstream of the demodulator for moving averaging. The filter has at least two FIFO registers and subtractors. Whereby for subtracting an output value of the FIFO register from an input value of the FIFO register a subtractor is connected to each FIFO register. Wherein the filter has a weighting unit, which is connected downstream of each FIFO register, and wherein the filter has an integrator, which is connected downstream of the subtractors for integration.




me

Data recovery circuit and operation method thereof

In a data recovery circuit, a sampling circuit is configured to sample data using a plurality of sampling clock signals having different phases relative to one another and to output a plurality of sampled data. A recovery data generation circuit is configured to perform a logic operation on the plurality of sampled data and to generate a plurality of intermediate recovery data according to a result of the logic operation. A recovery circuit is configured to check the plurality of intermediate recovery data for existence of an error and to output intermediate recovery data that is error-free, among the plurality of intermediate recovery data, as recovery data.




me

Data transmission apparatus having frequency synthesizer with integer division factor, corresponding method, and data transmission system

A data transmission apparatus disposed within two network layers operative at different data rates is provided. The data transmission apparatus is coupled to a clock generator which provides a reference clock for a lower network layer and is coupled to a frequency synthesizer with an integer division factor that generates a divided clock for an upper network layer according to the reference clock and the integer division factor. The data transmission apparatus includes a first processing circuit and a second processing circuit. The first processing circuit corresponding to the upper network layer receives and transmits data by using the divided clock as its operation frequency. The second processing circuit corresponding to the lower network layer receives and transmits data from the first processing circuit by using the reference clock as an operation frequency for encoding data. The divided clock is generated from the frequency synthesizer with the integer division factor.




me

Dual-channel analog door entry system and a method thereof

The present invention discloses a dual-channel analog door entry system and a method thereof. The dual-channel analog door entry system comprises two cables connected between the building gateway and the floor distributors, configured to transmit audio and/or video signals between the outdoor stations and indoor phones; the building gateway, configured to receive a call request from at least one of the outdoor stations, identify and assign an available cable as an intercom channel, send the call request to each of the floor distributors via the intercom channel, and switch the audio and/or video signals from the outdoor station to the available cable; at least one of floor distributors, configured to receive and forward the call request to a desired indoor phone, receive a call response from the desired indoor phone if the desired indoor phone is available, and switch the audio and/or video signals from the available cable to the desired indoor phone. The solutions of the present invention achieves great improvement on line busy probability for large buildings and communities; and the solution is smart and simple to implement with low additional cost for reconstruction.