Abstract: A facsimile communication system including a first processing circuit, connected to receive a facsimile signal from a first facsimile device, for converting the analog voiceband facsimile signal into a digital code signal representing information carried in the analog voiceband signal, and for transmitting the digital code signal; a second processing circuit, connected to receive the transmitted digital code signal from the first processing circuit, for converting the received digital code signal into an analog voiceband facsimile signal; and a second facsimile device, connected to receive the analog voiceband facsimile signal from the second processing circuit. The digital code signal includes a digital code which is repeated in the digital code signal an integral number of times. In another embodiment, the digital code signal contains another binary code which represents the position, within a data field, when information was first detected by the first processing circuit.

Abstract: An image forming apparatus for adjusting image density includes an input device for inputting a plurality of image type information and a discriminating device for discriminating the image type information in accordance with a signal other than a signal to be recorded. An image forming circuit, such as a printer, forms an image on the basis of image type information. A density adjusting circuit adjusts the image forming density of the image forming circuit in accordance with the input image type information. The discriminating device inputs a signal indicative of whether the input image type information indicates a text image or a graphics image, or whether it denotes Japanese or a European language (e.g., English). The discriminating device also inputs a signal indicative of the kind of font included in the input image type information or a signal indicative of a resolution for an output image to be formed by the printer.

Abstract: An image forming apparatus which can adjust a density comprises: a first input device to input image information; a second input device to input the kind of image information; an image forming circuit such as a printer form an image on the basis of image information which can vary an image forming density; and a density adjusting circuit to adjust the image forming density of the image forming circuit in accordance with the kind of input image information. The second input device inputs a signal indicative of whether the input image information indicates a text image or a graphics image or whether it denotes Japanese or European/English language. The second input device inputs a signal indicative of the kind of font included in the input image information or a signal indicative of a resolution of an output image which is formed by the printer.

Abstract: In an image processing system, a file server, an image processing apparatus and a terminal unit are connected to a network. The image processing apparatus collects information on available functions, the status of the operation for image processing, and the status of failures and consumable supplies, from a detecting unit, thereby creating a status file and registers it in the file server. The user of the terminal unit obtains the status file from the file server and allows it to be displayed on a display device. This enables the user to find out the functions provided by the image processing apparatus, the status of the operation for image processing, the history of failures, and the like. On the basis of this information, the user can create an operation mode file defining specific image processing, and register it in the file server.

Abstract: An image communication apparatus, for recording an image using a recording head for ejecting an ink from an ejection port by utilizing energy generated by an ejection energy generation element, includes a communication section for communication a procedure signal associated with a communication and image data, a driving section for driving the recording head in accordance with the image data received by the communication section, a preservation section for performing preservation processing of the recording head, and a control section for discriminating a procedure signal transmitted after the image data, and controlling an operation of the preservation section on the basis of the discrimination result. When the control section discriminates that a specific procedure signal for successively performing reception is transmitted, it causes the preservation section to execute the preservation processing.

Abstract: In a facsimile apparatus with an external telephone unit connected thereto or in a telephone terminal apparatus having telephone and facsimile communication functions, when a particular code signal is sent through a telephone line during a telephone communication being effected, a facsimile communication is held ineffective. Accordingly, even when a particular situation occurs, which otherwise causes switching from the telephone communication to the facsimile communication, the telephone communication is held effective once the particular code signal is detected.

Abstract: A facsimile terminal communicates facsimile data with an opposite facsimile terminal through an ISDN circuit. Even if the communication speed of the facsimile terminal is different from that of the opposite terminal, the facsimile terminal can surely exchange the facsimile data with the opposite terminal. The facsimile terminal includes a transmission and reception unit for transmitting and receiving data to and from the opposite terminal through the ISDN circuit, a receiving condition judging unit for judging or determining whether or not the transmission and reception unit receives data normally. The facsimile terminal also includes a speed switching instruction unit for providing a speed switching instruction when the transmission and reception unit does not normally or successfully receive data. In addition a speed switching control unit is provided for switching the communication speed of the transmission and reception unit from one speed to another according to the speed switching instruction.

Abstract: A facsimile apparatus which has an auto-dialing function automatically begins a procedure for image communication after making a call to a destination. If the apparatus does not receive a response signal from the destination during predetermined period from the start of the procedure, the procedure is terminated. If a pause period is set into the auto-dialing operation, the apparatus automatically changes the predetermined period according to the set pause period, so that the apparatus with certainty receives the response signal from the destination by setting a long pause period into the auto-dialing operation.

Abstract: An image processing apparatus previously stores information on particular kinds of image, determines the degree of similarity between an input full-color image signal and the information on particular kinds of image, controls conditions for addition of a particular pattern previously stored according to a result of the determination, and outputs an image by adding or not adding the particular pattern to the full-color image signal according to the addition conditions.

Abstract: A mixed-mode transmission control apparatus for transmitting a mixed-mode document data from a transmitting terminal to a reception terminal via a network. The apparatus includes a storage part in which at least a transmitting terminal identifying data and a page number denoting each page of the mixed-mode document data are stored, a generating part for generating an identification block into which at least the terminal identifying data and the page number are transferred from the storage part, an editing part for editing the mixed-mode document data before transmission so as to add the identification block thereto, and a control part for transmitting the mixed-mode document data, to which the identification block is added, to the reception terminal by performing a predetermined data transmission procedure.

Abstract: A method for transferring data between electronic filing systems via a communications network and using facsimile communications protocol is disclosed. The method includes the step of adding codes corresponding to non-standardized terminal capability information into a session start command (CSS) of a facsimile communication protocol and sending the CSS to a receiving end electronic filing system. The non-standardized terminal capability information includes a code indicating that the sending system is an electronic filing system and the memory capacity of the sending system, etc.The method further includes the step of adding header information at the top of the communication data to be transmitted. The header information includes an identifier identifying whether or not the data to be transmitted corresponds to an image; if it corresponds to an image, the header information further includes the size and line density of the image, the compression method for the image, etc.

Abstract: A signal sending device (facsimile modem 66; step STA2) responds a call from a calling party and sends a first signal (CED signal) to the calling party. The first signal (CED signal) indicates that a non-voice terminal of the called party is connected to a communication line in response to the call from the calling party. A signal detecting device (facsimile modem 66; step STA3) detects a second signal (CNG signal) while the first signal (CED signal) is sent out from the signal sending device. The second signal (CNG signal) indicates that the calling party is a non-voice terminal. A mode switching device (CPU 61, data modem 65, I/O controller 67; step STA9) automatically changes communication mode from a facsimile mode to a data communication mode when the signal detecting device does not detect the second signal (CNG signal) while the first signal (CED signal) is sent out.

Abstract: In an image processing apparatus of this invention, change amounts of image data, of reception image data, which correspond to target lines with respect to a previous line are obtained, and line data corresponding to the minimum change amount is preferentially thinned, thereby performing image reduction in the sub-scanning direction.

Abstract: A date communication apparatus in which a message stored in advance is transmitted to a receiving station so as to notify the receiving station that a call-waiting signal has been received, if a call-waiting signal is received by a transmitting station during communication. The reception of a request for line connection from a third station is detected by the call-waiting-signal detecting unit of a transmitting station on the basis of the call-waiting signal transmitted by an exchange. If the call-waiting signal is detected, a preset message is read from a message storage unit, and is transmitted to the other station. This message is transmitted either upon completion of the transmission of all the predetermined data or upon completion of the transmission of data, for instance, in units of pages.

Abstract: A method that enables the certification, at reception as well as at transmission, of messages sent by facsimile includes writing characteristic elements of a message in a rectangular box at the head of this message. A certifier device is used to decode alphanumerical characters of this box, encrypt them, and fashion an alphanumerical seal which is transmitted on the line of the facsimile machine with the standard code of facsimile transmission signals. At reception, the seal appears at the bottom of the message while the box appears always at the top of the message. To authenticate this seal, the receiver may approach an information retrieval center which will carry out the encoding operation on the contents of the box and compare the result with the seal to authenticate the message.

Abstract: A mail system comprises a message handling processor for storing code data and image data, a code data terminal for generating code data, an image data terminal for generating image data, and a code/image exchange unit for combining the code data and the image data into image data. The message handling processor converts the code data message from the code data terminal to image data by the exchange unit and combines the combined image data and the image data from the image data terminal to produce image data to be outputted to another image data terminal.

Abstract: A serial recording apparatus is disposed for recording onto a recording medium while moving relatively a recording head with a plurality of recording elements arranged and the recording medium in a main scan direction and a sub scan direction which are orthogonal to each other. The apparatus includes a receiving unit for receiving a recording signal, and a recording controller means for enabling the recording head to record in one-way or two-way movement depending on the information of pixel density which the receiving unit receives.

Abstract: A copying machine executing a processing for connecting a control center and a communication line by activating a modem when a trouble is detected, and transmitting data related to the trouble to the centralized control unit of the control center after the connection of the communication line is made, the machine includes a display apparatus, a communication control apparatus for monitoring the communication state of the modem, a memory in which data for display corresponding to each communication state is stored, display control apparatus for reading data for display corresponding to a communication state monitored by the communication control apparatus from the memory when a trouble is detected, and controlling the display apparatus to display the data.

Abstract: A fax machine provided with an optical reader, a roller, a heat sensitive head for printing, a heat sensitive head press piece, a roller transmission mechanism, a heat sensitive head sustaining mechanism, and a steering clutch mechanism. As the fax machine receives a transmitting signal, the sustaining mechanism urges upwardly the heat sensitive head so that there is a substantial clearance between the heat sensitive head and the roller to ensure that the heat sensitive paper (the fax paper) is not rolled out when transmitting graphic information. As soon as the fax machine has received a reproducing or receiving signal, the steering clutch mechanism directly actuates the roller transmission mechanism so as to initiate the operation of reproducing or receiving graphic information while the heat sensitive head is not urged upwardly.

Abstract: A facsimile apparatus includes a facsimile communication section for executing facsimile communication, a calling tone signal detecting section for detecting a first signal in a frequency band corresponding to a frequency band of a calling tone signal, a speech signal detecting section for detecting a second signal in a frequency band outside the frequency band of the calling tone signal, and a control section for starting and activating the facsimile communication section to execute the facsimile communication when the calling tone signal detecting section detects the first signal but the speech signal detecting section does not detect the second signal.

Abstract: A facsimile broadcasting receiver comprising an index program detector and a recording means, the detector detecting an index program number from a facsimile signal. The detected index program number is recorded into the recording means so that the corresponding index program will be automatically recorded.

Abstract: A communication system of this invention is constituted by a controller which accommodates a plurality of extensions connected to an office line and telephones, and includes a facsimile unit for performing facsimile communication with another communication apparatus through the office line, and a plurality of telephones connected to the extensions. The controller can inform an operation state during facsimile communication to the connecting telephone. The operation state of the facsimile unit can be recognized at the telephone. Information received by the facsimile unit can be confirmed at the telephone, and some data received by the facsimile unit can be controlled by the telephone. A registration result of an index number can be commonly used by the telephone and the facsimile unit.

Abstract: An image-information transmission method comprises a step prior to the transmission of image-information to be transmitted to another party destination, for scanning one portion of a transmission original at a predetermined line-density, and reading one portion of the image-information. Then it judges an optimum scanning line-density on the basis of the one portion of image-information that has been read, determines a transmission line-density of transmission image information, on the basis of the judged optimum scan line-density and information posted from an other party destination connected via circuit connected. An image-information transmission method transmits at the determined transmission line-density, of image-information scanned and read from the transmission original.

Abstract: The facsimile apparatus stores other party station discrimination information for reception so that there is a correspondence with the received telephone number in cases where a telephone number of a transmission destination is input and normal transmission performed. Furthermore, when there is redial transmission the facsimile apparatus displays the stored other party discrimination information on the display apparatus. Therefore, the task of selecting the other party destination is simplified for the operator.

Abstract: A relay and exchange system includes a plurality of exchanges for relaying and exchanging transmission information contained in frames each composed of m bits, and are so constructed as to form a tandem connection by a plurality of transmission lines. A pair of multiplexing apparatuses is provided at both ends of each transmission line. On each transmission line, frames each composed of n (n<m) bits for the transmission information and a particular frame composed of both (n-1) bits for the transmission information and one bit containing signaling information in an in-slot form, are transferred.

Abstract: A facsimile apparatus according to the present invention includes a detecting device for detecting that originals are placed on a placing portion, a transmitting destination setting device for setting a destination to which the images of the originals placed on the placing portion are transmitted, a reading device for reading images of the originals placed on the placing portion to output an image signal, transmitting device for transmitting the image signal outputted from the reading device to the set destination, a mode specifying device for specifying a mode in which after transmitting the image signal of the first group of originals placed on the placing portion, an image signal of the second group of originals placed on the placing portion different from the first group of originals is transmitted to the same transmission destination as the first originals, and controlling device for controlling the transmitting device so that an image signal of the placed originals is transmitted to the destination when

Abstract: There is disclosed a facsimile apparatus which transmits a predetermined signal, such as CNG signal, during pause periods succeeding the transmission of telephone number signals. This operation prevents the delay of CNG signal detection in case the receiving side has an automatic telephone/facsimile switching function, and also prevents the facsimile communication being erroneously cut off in case the pause period of the calling side eventually overlaps with the CNG detection period of the receiving side.

Abstract: A method for transmitting message of a document in a multiport facsimile, in which the messages to be transmitted are registered in a memory unit in file unit together with a specific message-registration table; and all the registered messages having the same destination are re-registered in a specific transmission-result table for subsequent transmission to the destination in one dial-up.

Abstract: A data communication apparatus/method discriminates whether a calling station is a data communication terminal or a voice terminal by sampling information on the communication line to obtain frequency data relating to that information, and summons an operator at the destination to let the operator answer when it is discriminated that the calling station is a voice terminal.

Abstract: An image processing apparatus previously stores information on particular kinds of image, determines the degree of similarity between an input full-color image signal and the information on particular kinds of image, controls conditions for addition of a particular pattern previously stored according to a result of the determination, and outputs an image by adding or not adding the particular pattern to the full-color image signal according to the addition conditions.

Abstract: A facsimile mail system comprising mail center equipment, a plurality of telephone sets connected to the mail center equipment via lines and a telephone exchange, and a plurality of facsimile machines each connected to the respective telephone sets. Conditions for distributing received facsimile information are set beforehand per calling line. If facsimile information is transmitted by designation of a push-button signal, the information is distributed according to the instructions designated by the push-button signal; if facsimile information is transmitted by designation of an optical mark reader sheet, the information is distributed according to the instructions designated by that sheet. If neither push-button signal designation nor optical mark reader sheet designation is provided, the received information is automatically distributed as per the distribution conditions previously established for the calling line in question.

Abstract: An image transmission system for transmitting image data added with code data is disclosed. The image transmission system of the invention has an image transmission device 11 connected with a portable terminal device 13 and a video floppy disk player 12. An image to be transmitted is selected by controlling the video floppy disk player 12 by a command from the portable terminal device 13, and the image is added with code data of the portable terminal device 13 by the image transmission device 11 and transmitted by the image transmission device 11.

Abstract: An image communication apparatus includes a communication unit for communicating a procedure signal associated with communication, and image data, a recording unit for ejecting a liquid droplet to a recording member in accordance with image data received by the communication unit, a recovery unit for performing a predetermined recovery operation of the recording unit, and a control unit for, when reception is successively performed immediately after completion of transmission by the communication unit, driving the recovery unit in accordance with a predetermined procedure signal.

Abstract: A method and apparatus for causing a message sent in facsimile compatible form over a telephone system from a first location to a second location to be received at the second location in a confidential manner such that only the intended recipient may view the message when he so desires. The intended recipient is notified when a facsimile message has been received for him and the recipient may retrieve the facsimile message remotely.

Abstract: A transmission arrangement is disclosed which facilitates compression of modem modulated facsimile signals for transmission on digital facilities. The presence of a facsimile call is detected and facsimile control messages are obtained by demodulating and interpreting the facsimile call control protocol. A controller is responsive to the obtained control messages for controlling a voiceband encoder to encode the control portion of the facsimile call and for controlling a so-called facsimile page demodulator to demodulate any facsimile page portions of the facsimile call to obtain a baseband digital bit stream. The presence of prescribed tone signals, i.e., echo protection tone (EPT) signals, is detected in the facsimile call. EPT control messages representative of the EPT signals are generated. The encoded control portion of the facsimile call and the baseband digital bit stream representative of the demodulated, i.e.

Abstract: A methodology for allowing the transmission of a facsimile message to a specified location on a multi-user computer network consists of modifying a portion of the handshake data fields transmitted in conjunction with the facsimile images. The data field is modified to accept sender-entered data, typically a recipient-specific identification code. The receiving facility obtains the data as part of the handshake procedure, and utilizes the identification code to effect routing of the message to the intended recipient. The data field utilized is preferably the Transmit Terminal Identifier field of the handshake transmission.

Abstract: A communication apparatus includes a unit for starting power supply in accordance with external conditions, a unit for supplying power to the apparatus in accordance with a signal from the starting unit, and a unit for stopping power supply by the power supply unit after a predetermined operation such as a communication operation is completed.

Abstract: A facsimile communication managing data including transmission/reception mode, a telephone number of a called or a calling subscriber, etc. is printed out at a predetermined time interval. Each time a facsimile communication is made, the facsimile communication managing data is stored in a memory. A period of time defining a time interval at which the stored managing data are read out is set through a keyboard. An elapse of the period of time is detected and a detection signal is issued. If the detection signal is output during a non-busy state of the facsimile machine, the managing data are read out of the memory immediately after the occurrence of the detection signal and then printed in a printing station of the facsimile machine, whereas if the detection signal is output during a busy state of the facsimile machine, the managing data are read out after the facsimile machine is turned to the non-busy state and printed in the printing station thereof.

Abstract: An imaging apparatus contains an image capture device having image capturing means and video encoding means, and an image printer. Electronic components in the image capture device produce image and timing signals. The image and timing signals bypass the video encoding means so that the printer does not internally require a video signal decoder. The signals received by the printer are slow speed signals which can be processed as received without need for an internal memory.

Abstract: A facsimile communication system makes a facsimile communication between a transmitting station and a receiving station. The transmitting station makes a call to the receiving station, detects a called station identification (CED) signal received from the receiving station, transmits a repeat (REP) signal to the receiving station when the called station identification (CED) signal is detected, detects whether or not the called station identification (CED) signal received from the receiving station stops within a predetermined time, and starts a facsimile transmission in conformance with a high-speed communication procedure when the stop of the called station identification (CED) signal is detected within the predetermined time. The high-speed communication procedure employs a protocol which requires less communication steps than a protocol of a standard communication procedure which is in conformance with CCITT Recommendations.

Abstract: An image communication apparatus comprises a selector for selecting a first receive mode or a second receive mode, a first detector for detecting a protocol signal of image communication, a second detector for detecting a DTMF signal, and a control unit for effecting the image communication in accordance with the selection by the selector and the detections by the first and second detectors.

Abstract: A method for controlling a data terminal equipment coupled to a network via a line and coupled to a center apparatus via the line and the network. A plurality of tone signals sent from the center apparatus and having mutually different frequencies are received. The levels of the tone signals are detected. The characteristic of the line is judged on the basis of the levels of the tone signals. A suitable equalizing characteristic most suitable for the characteristic of the line is selected from among a plurality of predetermined equalizing characteristics compensating for possible characteristics of the line. There is also provided a data terminal equipment using the above-mentioned method.

Abstract: A communication apparatus comprises a switch to selectively connect a line to a speech communication path or a data communication path, signal receiving circuits connected to those two communication paths, a signal detection circuit for detecting a predetermined signal from an output of the signal receiving circuit, and a control circuit for modifying a detection criterion of the signal detection circuit in accordance with a line connection status of the switch.

Abstract: An electronic reprographic printing system that allows the sending of messages with a print job from remote user workstations to a central reprographic printing machine. The messages can be displayed on a User Interface, such as a video monitor, and additionally printed on a break page of the print job. Also disclosed is a system for sending messages that is capable of faulting a print job until the reprographic system operator acknowledges receipt of the message. The various messages can instruct the system operator to use a particular medium for the print job, for example, or instruct the system operator how to finish (bind, wrap, etc.) a print job.

Abstract: A communication apparatus includes a facsimile system for performing data communication, a plurality of telephone sets for performing speech communication; and a control unit for controlling the facsimile system. Each telephone set includes a display unit for displaying a state of data communication. The control unit selectively sends information associated with the state of the facsimile system to the telephone sets to cause the display units to display the state of the facsimile system.

Abstract: A line connection switching apparatus performs connection switching of a communication line used both for speech communication performed by a telephone set and data communication performed by a facsimile apparatus and is inserted between the telephone set and the facsimile apparatus, and the communication line. When predetermined speech command information is input from a caller side through the communication line, a speech signal is detected by a switching unit. When a voice/silence discriminator discriminates that the speech signal represents voice, a voice interval monitor monitors a duration of the speech signal. If the duration of the speech signal falls within a predetermined range, the speech signal is stored in a speech signal storage unit. A pattern matching unit verifies whether a standard speech pattern of a speech signal registered in standard pattern dictionary unit matches with a speech pattern of the input speech signal stored in the speech signal storage unit.

Abstract: A broadcasting facsimile transceiver has a transmission controller which, in the broadcasting mode, inhibits broadcasting communications during a predetermined interval of time ranging from the completion of transmission to a destination to the commencement of transmission to the succeeding destination. The transceiver also includes a scanning unit for reading a document and delivering video data, a data compression unit for compressing the video data, a memory unit for storing compressed video data from said data compression unit, a reproduction unit for reading the compressed video data stored in said memory unit, a MODEM for transmitting the video data to a communication line.

Abstract: A facsimile apparatus in which the pixel density of image data being received or transmitted can be converted when the image being received or to be transmitted is formed. The apparatus photoelectrically reads a document image at a fixed pixel density and can be manually instructed to execute or not to execute a conversion process on the pixel density of the read image data. If instructed to execute the conversion process the image data whose pixel density has been converted is encoded and transmitted, and if instructed not to execute the conversion process the non-converted image data is transmitted.

Abstract: There is disclosed a facsimile apparatus comprising an automatic communication mode for automatically communicating with facsimile apparatuses of plural preregistered subscribers one by one through a communication line. In the facsimile apparatus, a communication controller communicates through the communication line by either transmitting image data therethrough or receiving image data therethrough when either a transmission start signal or a reception signal is detected. When the communication means has communicated with a facsimile apparatus of at least one subscriber completely in the automatic communication mode, a main controller enables a timer to start to count an elapsed time, and interrupts the process of the automatic communication mode temporarily. Thereafter, the main controller enables the communication means for a normal communication other than the automatic communication until the timer has counted up to a predetermined elapsed time.

Abstract: A communication terminal device comprises a memory capable storing a plurality of pages of received information, and a printer for printing the information stored in the memory. A read sequence from the memory to the printer is determined in accordance with a send command.