JP3068443B2 - Facsimile machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus, and more particularly, to a facsimile apparatus compatible with a call waiting function.

[0002]

2. Description of the Related Art A conventional facsimile apparatus is configured, for example, as shown in the block diagram of FIG. 4. When a network controller 41 detects a line busy when transmitting transmission data, a transmission destination information control circuit is provided. The transmission destination information t is stored in the transmission data storage circuit 43, and the transmission data s is stored in the transmission data storage circuit 43. The transmission data s is stored in chronological order with the destination information t. The transmission destination information control circuit 42 dials the telephone numbers of the transmission destinations stored in a fixed cycle in order, and when the connection with the transmission destination can be normally performed, the connected transmission data w stored in the transmission data storage circuit 43. Is transmitted, transmission data that is not completed is reduced as much as possible, and after the transmission of the transmission data w is completed, the line is disconnected.

Further, as a facsimile apparatus for performing a similar facsimile communication service via a comprehensive service digital network, transmission is performed to minimize transmission data that is incompletely transmitted, as disclosed in Japanese Patent Laid-Open No. 3-99577. Although a memory for data storage is used, in order to make more effective use of this memory, facsimile communication was attempted using another channel within three minutes from the first transmission, and the original data in the memory was shortened as much as possible. Some try to send in the waiting time.

[0004]

In the conventional facsimile apparatus described above, after transmitting one transmission data w stored in the transmission data storage circuit 43, the line is disconnected, and the same transmission data storage circuit 43 is used. Even if there is a transmission destination, the connection operation is performed again for this transmission data, so the line may be busy many times and transmission may not be possible, and the transmission waiting time may be increased and timely transmission may not be possible. There is a point.

In the case of the apparatus disclosed in Japanese Patent Laid-Open Publication No. 3-99577, a facsimile apparatus connected to an integrated service digital network uses another channel for effective use of memory and reduction of transmission waiting time. And cannot be applied to a facsimile apparatus connected to a general telephone line, and at the same time, cannot process a data communication request from another channel during transmission and reception.

An object of the present invention is to store data that could not be sent before because of a line busy in a transmission data storage circuit so that the data can be transmitted collectively when a transmission factor to the same destination occurs, and the telephone exchange can be used. If you have a call waiting function, if there is a reception request from a third party during transmission, notify the waiting time, and if there is a reception request from a third party during reception, obtain the destination information and end reception An object of the present invention is to provide a facsimile apparatus which can increase the success rate of facsimile transmission by connecting to a destination later.

A facsimile apparatus according to the present invention comprises: a transmission buffer circuit for storing transmission data obtained by optically reading a drawing drawn on paper and code-converting an electrical first image signal obtained by photoelectric conversion, and the transmission buffer circuit; If the transmission line is busy at the time of transmission of this transmission data, the transmission data that could not be transmitted in response to the line busy signal is stored and can be transmitted.When a transmission instruction is received, the transmission data cannot be stored. A transmission data storage circuit for outputting the transmitted transmission data again, and monitoring and outputting the transmission data received from the transmission buffer circuit and the transmission data storage circuit, and a memory capacity of the transmission data storage circuit and the transmission buffer circuit. A remaining transmission time calculation circuit for calculating a remaining transmission time and outputting it as waiting time data, and a remaining transmission time calculation circuit Transmission data selection circuit for receiving transmission data from the transmission data and adding header information output from the header information circuit to the transmission data, and a modulation circuit for modulating the transmission data output from the transmission data selection circuit to generate transmission line data Connected to a telephone exchange, transmits transmission line data output from the modulation circuit as line data, receives line data from the other party, outputs the data as reception line data, and uses a call waiting function of the telephone exchange to allow a third party to use the call waiting function. If there is an incoming call request, a network control circuit for interrupting the transmission process if the transmission is in progress and transmitting the waiting time data, and interrupting the reception process in the case of the reception and receiving information about the other party and outputting the information as the other party information And a destination information input circuit for inputting a destination telephone number, and a destination information for storing and outputting destination information input from the destination information input circuit. And a buffer circuit,
A destination information storage circuit that receives a line busy signal from the network control circuit and destination information output from the destination information buffer circuit and stores the destination information; the destination information buffer circuit and the destination information A destination information comparison circuit that compares destination information stored and output by the storage circuit and outputs corresponding destination information when the destination information is the same, a destination information buffer from the destination information buffer circuit, and a comparison of the destination information. A destination information selection circuit that selects destination information from the circuit according to a predetermined priority and sequentially sends the destination information to the network control circuit; and receives reception line data output from the network control circuit to receive data. A demodulation circuit for conversion; a buffer information separation circuit for separating header information from received data output from the demodulation circuit; and a buffer information separation circuit. A character conversion circuit for extracting the destination information from the output header information, and comparing the destination information output from the character conversion circuit with the destination information in the destination information storage circuit. A transmission destination / reception destination comparison circuit that sends a switching instruction to the transmission data storage circuit and sends a transmission instruction to the transmission data storage circuit; and a reception buffer circuit that accumulates reception data separated and output by the buffer information separation circuit.

In the facsimile apparatus of the present invention, the network control circuit stores the transmission data, which could not be transmitted due to the reception of the line busy signal, in the transmission data storage circuit, and after the transmission processing or the reception processing is completed, stores the transmission data. When a new transmission factor occurs for the same partner as the above, the transmission data stored in the transmission data storage circuit is also transmitted collectively.

In a facsimile apparatus of the present invention, when a network control circuit receives a reception request from a third party by a call waiting function of a telephone exchange during transmission of line data, the network control circuit interrupts the processing during transmission, and Notify the waiting time until reconnection, if the transmission of the interrupted transmission process has been completed, if there is a destination during the current line connection in the destination information storage circuit, the corresponding data in the transmission data storage circuit It has a function of transmitting as transmission data.

[0010] In the facsimile apparatus of the present invention, when the network control circuit receives a reception request from a third party by the call waiting function of the telephone exchange during reception of the line data, the network control circuit interrupts the processing during reception, and After receiving the destination information from the server, and completing the reception of the interrupted reception process, if the destination information storage circuit has the same destination as the destination of the destination information, the data transmission mode is set to the transmission data storage circuit. It has a function of transmitting the corresponding data as transmission data.

[Operation] In a facsimile apparatus having a transmission data storage circuit, it is possible to collectively transmit data that could not be previously transmitted due to a line busy when a transmission factor to the same destination occurs. Further, in a facsimile apparatus using a line having a call waiting function, when there is a reception request from a third party during transmission, a waiting time is notified. In addition, when there is a reception request from a third party during reception, the success rate of facsimile transmission can be increased by obtaining the destination information.

When facsimile data is sent normally,
If the same destination exists in the destination information storage circuit 20, the transmission data w stored in the transmission data storage circuit 8 is also transmitted. If the transmission data cannot be transmitted due to the line busy, the transmission data is stored in the transmission data storage circuit 8 and the transmission destination information is stored in the transmission destination storage circuit 20. Network control circuit 7
When there is a reception request from a third party during transmission, the wait time qq calculated by the transmission data remaining time calculation circuit 24 is notified via the network control circuit 7. Further, when the network control circuit 7 receives a reception request from a third party during reception, the destination information of the third party is stored in the transmission destination information storage circuit 20, and when the reception is completed, the transmission destination information storage circuit 20 To connect to a third party stored in the server and receive data.

[0013]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention.

Referring to FIG. 1, a facsimile apparatus according to the present invention comprises: a photoelectric conversion circuit 1 for optically reading a drawing drawn on paper and performing photoelectric conversion and outputting as an electric image signal a;
A memory unit 2 for receiving and storing the image signal a;
, An encoding circuit 3 for reading out the image signal b and converting it into transmission data c; a transmission buffer circuit 4 for storing the transmission data c; If the line is busy, the transmission data s that could not be transmitted in response to the line busy signal q is stored and can be transmitted. When the transmission instruction kk or the transmission instruction mm is received, the transmission data rr is transmitted again without being transmitted. Data storage circuit 8 for outputting the data, transmission buffer circuit 4 and transmission data storage circuit 8
A transmission remaining time calculation circuit 24 for monitoring and outputting the transmission data d and rr received from the transmission data calculating circuit 24, calculating the remaining transmission time from the memory capacity of the transmission data storage circuit 8 and the transmission buffer circuit 4, and outputting the calculated remaining transmission time as waiting time data qq; A transmission data selection circuit 5 for receiving transmission data w from the remaining time calculation circuit 24 and adding the header information x output from the header information circuit 17 to the transmission data e, and a transmission data e output from the transmission data selection circuit 5 And modulate the transmission line data f
The transmission line data f output from the modulation circuit 6 is transmitted as line data g, and the line data g from the other party is received and output as reception line data h. If there is an incoming call request from a third party using the call waiting function of the telephone exchange, the waiting time data qq is transmitted if the data is being transmitted, and the information on the destination is received and output as the destination information ss if the reception is being performed. Network control circuit 7, a destination information input circuit 9 for inputting a telephone number of a destination, etc., and destination information bb inputted from the destination information input circuit 9 to store destination information cc, dd, jj.
, A destination information storage circuit 20 that receives a line busy signal r from the network control circuit 7 and stores destination information jj, a destination information buffer circuit 18 and a destination information storage circuit The destination information comparison circuit 19 compares the destination information dd and gg which are stored and output respectively, and outputs the corresponding destination information ff when they are the same. The destination information cc and the destination information cc from the destination information buffer circuit 18 are output. The destination information ff from the destination information comparison circuit 19 is received, and if only one of the destination information cc and ff is valid destination information, this is selected and the destination information cc and ff are received simultaneously. In this case, the transmission destination information cc is sent to the network control circuit 7 as transmission destination information ee with priority, and then the transmission destination information ff is transmitted as transmission destination information ee. A data selection circuit 11, a demodulation circuit 12 for receiving the reception line data h output from the network control circuit 7 and converting it into reception data i, and a buffer information separation for separating the header information z from the reception data i output from the demodulation circuit 12. Circuit 23, a character conversion circuit 22 for extracting destination information aa from header information z separated and output by buffer information separation circuit 23, and transmission of destination information aa output from character conversion circuit 22 and transmission destination information storage circuit 20 The destination information hh is compared with the destination information hh, and if they are the same, a switching instruction is sent to the network control circuit 7 and a transmission / reception destination comparison circuit 21 sending a transmission instruction to the transmission data storage circuit 8 is separated from the buffer information separation circuit 23 Receiving buffer circuit 13 for accumulating received output data y
A decoding circuit 14 for converting received data output from the receiving buffer circuit 13 into an image signal k, a memory unit 15 for storing the image signal k output from the decoding circuit 14, and an image signal output from the memory unit 15 and a record conversion circuit 16 for printing m on facsimile paper.

Next, the operation will be described.

FIG. 2 is a flowchart showing the operation of the transmission process according to the embodiment of the present invention. The description uses the names and reference numerals in FIG.

First, in step A1, the destination information bb input from the destination information input circuit 9 is written into the destination information buffer circuit 18. Next, the facsimile transmission data c obtained by optically reading and converting the drawing drawn on the paper in step A2 is written in the transmission buffer circuit 4. Subsequently, in step A3, the network control circuit 7 connects the line to the destination in the destination information buffer circuit 18. Next, in step A4, it is determined whether the line is busy. If the line is busy, the transmission data s is stored in the transmission data storage circuit 8 in step A5, and the transmission destination information buffer circuit is stored in step A6. The 18 destination information jj is stored in the destination information storage circuit 20. If the result of the determination in step A4 is that there is a free line, the header information x is transmitted in step A12, and the transmission data d of the transmission buffer circuit 4 is transmitted in step A13. If the result of the determination in step A4 is that the transmission destination information jj and transmission data s are stored in the transmission destination information storage circuit 20 and the transmission data storage circuit 8 because the line is busy, after a predetermined time has elapsed in step A7, A line is connected to the destination stored in the destination information storage circuit 20. Subsequently, in step A9, it is determined again whether or not the line is busy. If the line is busy, the flow returns to step A7 and waits for a predetermined time. If the result of the determination in step A9 is that the line is connectable, the header information x is transmitted in step A10, and the corresponding data in the transmission data storage circuit 8 is transmitted as transmission data rr in step A11.
During transmission in the above-described steps A11 and A13,
In step A14, it is always determined whether there is a connection request from a third party. If a connection request is made from a third party, the transmission processing is interrupted in step A15 and the remaining transmission time calculation circuit 24 The waiting time qq is calculated, the waiting time is notified to the third party in step A16, and the third party's line is disconnected.
Subsequently, it is determined whether or not the transmission of the transmission process interrupted in step A17 is completed.
At 18, it is determined whether or not there is a transmission destination currently connected to the transmission destination information storage circuit 20. If so, the corresponding data of the transmission data storage circuit 8 is transmitted as transmission data rr at step A 19, and step A 14 is performed. Return to step A1
Repeat up to 7. If a connection request is received from a third party even during this transmission, the waiting time qq is calculated and notified to the third party, as described above. If it is determined in step A17 that the transmission has been completed, it is determined in step A18 whether or not there is a transmission destination currently connected to the line in the transmission destination information storage circuit 20, and if not, the processing is terminated.

FIG. 3 is a flowchart showing the operation of the receiving process according to the embodiment of the present invention.

When the line data g is received from the telephone line,
In step B1, it is determined whether or not there is header information. If there is header information, the buffer information separation circuit 23 separates the header information z in step B3, and the character conversion circuit 22 determines the header information z from the counterpart in step B4. The destination information aa is extracted. During reception of steps B1, B3, and B4, step B
In step 5, it is always determined whether or not there is a connection request from a third party.
Then, the destination information ss of the third party is stored in the destination information storage circuit 20, and then the line of the third party is disconnected in step B7. Subsequently, in step B8, it is determined whether or not the reception of the interrupted reception processing has been completed. If the reception has been completed, the reception processing is completed, and in step B9, the reception destination of the destination information aa is stored in the transmission destination information storage circuit 20. It is determined whether or not there is the same transmission destination as above. If there is, the network control circuit 7 is set to the data transmission mode in step B10, the header information x is transmitted in step B11, and the transmission data storage circuit 8 is stored in step B12. The corresponding data is transmitted as transmission data rr. After the transmission is completed,
In step B9, it is again determined whether or not there is the same destination as the destination of the destination information aa in the destination information storage circuit 20. If not, the destination information storage circuit 20 stores the destination information ss in the destination information storage circuit 20 in step B13. It is determined whether or not there is the same transmission destination as the reception destination. If the transmission destination information ss is present in the transmission destination information storage circuit 20, it is connected to the transmission destination information ss in step B14 to perform reception processing, and the process returns to step B13. To determine whether or not the destination information ss exists in the transmission destination information storage circuit. If not, the process ends. If it is determined in step B1 that there is no header information, conventional reception processing is performed in step B2, and the processing ends.

[0021]

As described above, according to the present invention, it is possible to store data that could not be sent before due to a line busy in the transmission data storage circuit and to transmit the data at once when a transmission factor for the same destination occurs. If the telephone exchange uses a line with a call waiting function, if there is a reception request from a third party during transmission, the waiting time is notified and a reception request from the third party is received during reception. With such a configuration, there is an effect that the success rate of the facsimile transmission can be increased by obtaining the destination information and connecting to the destination after the reception is completed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a flowchart illustrating an operation of a transmission process according to the embodiment of the present invention.

FIG. 3 is a flowchart illustrating an operation of a reception process according to the embodiment of the present invention.

FIG. 4 is a block diagram of a conventional facsimile machine.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 photoelectric conversion circuit 2 memory unit 3 encoding circuit 4 transmission buffer circuit 5 transmission data selection circuit 6 modulation circuit 7 network control circuit 8 transmission data storage circuit 9 transmission destination information input circuit 11 transmission destination information selection circuit 12 demodulation circuit 13 reception buffer Circuit 14 Decoding circuit 15 Memory unit 16 Record conversion circuit 17 Header information circuit 18 Destination information buffer circuit 19 Destination information comparison circuit 20 Destination information storage circuit 21 Destination / reception destination comparison circuit 22 Character conversion circuit 23 Buffer information separation Circuit 24 Transmission remaining time calculation circuit a, b, k, m Image signal aa, ss Destination information bb, cc, dd, ee, ff, gg, hh, jj
Destination information c, d, e, rr, s, w transmission data f transmission line data g line data h reception line data i, j, y reception data ii switching instruction kk, mm transmission instruction q, r line busy signal qq wait Time data x, z Header information

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-350778 (JP, A) JP-A-5-236249 (JP, A) JP-A-2-137470 (JP, A) JP-A-4- 151971 (JP, A) JP-A-4-170261 (JP, A) JP-A-5-236233 (JP, A) JP-A-4-207751 (JP, A) JP-A-4-274666 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) H04N 1/32-1/36 101

Claims (4)

(57) [Claims] 1. A transmission buffer circuit for storing transmission data obtained by optically reading a drawing drawn on paper and code-converting an electrical first image signal obtained by photoelectric conversion, and receiving transmission data from the transmission buffer circuit. If the transmission line is busy during transmission of this transmission data, the transmission data that could not be transmitted in response to the line busy signal is stored and transmitted. A transmission data storage circuit to be output for transmission, and monitoring and outputting the transmission data received from the transmission buffer circuit and the transmission data storage circuit, and calculating a remaining transmission time from a memory capacity of the transmission data storage circuit and the transmission buffer circuit. The remaining transmission time calculation circuit outputs the data as waiting time data, and the transmission data is received from the remaining transmission time calculation circuit. A transmission data selection circuit for generating transmission data to which header information output from the header information circuit is added; a modulation circuit for modulating transmission data output from the transmission data selection circuit to generate transmission line data ;
And the transmission line data output from the modulation circuit
Data and receive line data from the other party.
It is output as received line data and is
Sending when there is an incoming request from a third party with the touch phone function
If there is, interrupt the transmission process and transmit the waiting time data,
If receiving, interrupt the receiving process and send information about the
A network control circuit for receiving and outputting as destination information, a destination information input circuit for inputting a telephone number of a destination, and a destination information buffer circuit for storing and outputting destination information input from the destination information input circuit A destination information storage circuit that receives a line busy signal from the network control circuit and destination information output from the destination information buffer circuit and stores the destination information; A destination information comparison circuit for comparing destination information stored and output by the destination information storage circuit and outputting the corresponding destination information when the destination information is the same, a destination information from the destination information buffer circuit and the destination A destination information selecting circuit for selecting destination information from the information comparing circuit in accordance with a predetermined priority order and sequentially transmitting the destination information to the network control circuit; A demodulation circuit for receiving the reception line data output from the circuit and converting it into reception data; a buffer information separation circuit for separating header information from the reception data output from the demodulation circuit; and a header for separating and outputting the buffer information separation circuit A character conversion circuit for extracting the destination information from the information; comparing the destination information output by the character conversion circuit with the destination information in the destination information storage circuit; A facsimile apparatus comprising: a destination / receiver comparison circuit that sends a transmission instruction to the transmission data storage circuit; and a reception buffer circuit that accumulates reception data to be separated and output by the buffer information separation circuit. 2. A network control circuit receives a line busy signal.
The transmission data that could not be transmitted is recorded in the transmission data storage circuit.
Remember, after the sending or receiving process is completed,
A new transmission factor has occurred for the same recipient as the recipient
The transmission data stored in the transmission data storage circuit.
2. The facsimile apparatus according to claim 1, wherein the facsimile apparatus has a function of transmitting data collectively . 3. When the network control circuit receives a reception request from a third party by the call waiting function of the telephone exchange during transmission of the line data, the network control circuit interrupts the processing during transmission and sends the request to the third party again.
Notify the waiting time until connection, and send interrupted transmission processing
Is completed, the destination information storage circuit is connected to the current line.
If there is a destination during the connection,
2. The facsimile apparatus according to claim 1, further comprising a function of transmitting data as transmission data . 4. When the network control circuit receives a reception request from a third party by a call waiting function of the telephone exchange during reception of the line data, the network control circuit interrupts the processing during reception, and
Information of the other party and the reception of the interrupted reception process is completed
Then, the same information as the destination of the destination information is stored in the destination information storage circuit.
If there is the same destination, set the data transmission mode to send data.
A device that transmits the corresponding data in the data storage circuit as transmission data
Facsimile apparatus according to claim 1, characterized in that it has a capability.