Image information processing system

• US 4,652,933 A
• Filed: 08/22/1984
• Issued: 03/24/1987
• Est. Priority Date: 08/29/1983
• Status: Expired due to Term

• Current Assignee: Ricoh Company Limited
• Original Assignee: Ricoh Company Limited
• Inventors: Koshiishi, Takaho
• Primary Examiner(s): Britton, Howard W.
• Assistant Examiner(s): Peng, John K.
• Application Number:
  US06/643,677
• Time in Patent Office: 944 Days
• Field of Search: 358/256, 358/280, 358/257, 358/903, 358/286, 364/518, 364/519
• US Class Current: 358/443
• CPC Class Codes: G06F 3/002 Specific input/output arrangements not covered by G06F3/01 - G06F3/16 other optical apparatus G02B27/00
• CPC Class Codes: H04N 1/00206 Transmitting or receiving computer data via an image communication device, e.g. a facsimile transceiver H04N1/00236 takes precedence
• CPC Class Codes: H04N 1/00236 using an image reading or reproducing device, e.g. a facsimile reader or printer, as a local input to or local output from a computer image input to or image output from a computer via a network H04N1/00209
• CPC Class Codes: H04N 1/00238 using an image reproducing device as a local output from a computer output via network, e.g. network printing H04N1/00233
• CPC Class Codes: H04N 1/00241 using an image reading device as a local input to a computer input via network, e.g. network scanners H04N1/00225
• CPC Class Codes: H04N 2201/0034 Details of the connection, e.g. connector, interface

Abstract

A combination of a facsimile apparatus and a personal computer. The personal computer is connected to the facsimile apparatus through 8 parallel data lines, a pair of unidirectional control signal lines and 3 bidirectional control signal lines. The combination has following four operation modes; recording mode where the data from the computer is recorded by a plotter in the facsimile apparatus, image input mode where the data from a scanner in the facsimile apparatus is input to the computer, transmission/transfer mode where the data from the computer is transmitted to another facsimile, and reception/transfer mode where the data from another facsimile is input to the computer.

Claims

1. An image information processing system comprising:

(a) a facsimile including scanner means for reading image information, plotter means for recording image information on a recording medium, and system control means for controlling the operation of said facsimile and including means coupled to said plotter means and responsive to the absence of the recording medium to generate an end-of-medium signal;

(b) a computer system; and

(c) interface means for connecting said computer system and said facsimile, and comprising control signal lines and data lines;

(d) said system control means sending an end-of-medium signal to said computer system through one of said control signal lines, said one control line adapted for the transmission of control signals in a first direction from said computer to said facsimile and in a second direction from said facsimile to said computer system; and

(e) said system control means generating and transmitting first and second send control signals indicative respectively of image information transmission in said first and second directions via said one control signal line.

2. A system for processing and controlling the transmission of image information to and from first and second image information utilization means, said image processing system comprising:

(a) scanner means for scanning an original document to read an image of said original document and to provide an image signal indicative of said document image;

(b) plotter means responsive to an image signal for recording a corresponding image on a record medium;

(c) network control means for controlling the receiving and transmitting via a communication line of communication signals from and to the first utilization means;

(d) modem means for modulating an image signal to provide a communication signal and for demodulating a communication signal to provide an image manifestation;

(e) connection means for receiving and transmitting data from and to the second utilization means and comprising a plurality of bi-directional data signal lines for transmitting image signals, and first and second bidirectional control signal lines for transmitting control signals;

(f) interface means coupled to said connection means and comprising gate means operative in response to said control signals in transmitting and receiving modes for respectively transmitting and receiving control signals and image signals to and from said second utilization means; and

(g) system control means for operating said gate means in one of said transmitting and receiving modes to control the flow of image signals between said image processing system and the second utilization means, said system control means operating said gate means in its receiving mode for receiving image signals on said data signal lines upon reception of a control signal of a predetermined level on said second control signal line when a control signal of a reception level is disposed on said first control signal line, said system control means operating said gate means in said transmitting mode for transmitting image signals onto said data signal lines and also transmitting a control signal of said predetermined level on said second control signal line upon receipt of a control signal of a transmission level on said first control signal line, said system control means further comprising means for detecting the abnormal operation of said image processing system to operate said gate means in its transmitting mode and for out putting a control signal of said predetermined level on said first control signal line, a switch disposable to a position whereby said system is operable in one of said transmitting and receiving modes, means for applying said image signals received from the second utilization means through said interface means to said plotter means, means for applying the image signals received from said scanning means through said interface means for said data signal lines to the second utilization means, means for modulating said image signal received through said interface means to provide a communication signal before transmitting said communication signal through said network control means and the communication line from the first utilization means to provide a corresponding image signal before transmitting said corresponding image signal via said interface means and said data signal lines to the second utilization.

3. A system for processing and controlling the transmission of image information over a communication line, said image processing system comprising:

(a) computer means;

(b) facsimile means;

(c) interface connecting means for interconnecting said computer means and said facsimile means;

(d) said facsimile means including scanner means for scanning an original document to read an image thereon to provide an image signal indicative of said document image, plotter means responsive to an image signal for recording an image on a recording medium, network control means for controlling the receiving and transmission of communication signals to and from the communication line, modem means for modulating an image signal to provide a corresponding communication signal and for demodulating a communication signal to provide a corresponding image signal, first interface means having first bi-directional gate means for transmitting and receiving control signals and second bi-directional gate means for transmitting and receiving image signals, and system control means;

(e) said computer means including second interface means having third bi-directional gate means for transmitting and receiving said control signals and fourth bi-directional gate means for transmitting and receiving said image signals;

(f) said interface connection means comprising a unidirectional control signal line for transmitting a control signal from said second interface means to said first interface means;

first, second and third bi-directional control signal lines, each connected at one end with said first bi-directional gate means and at its other end with said third bi-directional gate means; and

a plurality of bi-directional data signal lines, each connected at one end with said second bi-directional gate means and at its other end with said fourth bi-directional gate means; and

(g) said system control means comprising means responsive to a control signal of a first level on said unidirectional control signal line, a control signal of said first level on said first bi-directional control signal line, and a control signal of said first level on said second bi-directional control signal line, for transmitting to said plotter means said image signals on said data signal lines, before providing on said third bi-directional control signal line a control signal of said first level;

means responsive to a control signal of a first level on said unidirectional control signal line and a control signal of a second level on said firt bi-directional control signal line for providing said bi-directional data signal lines with said image signals from said scanner means, before first providing a control signal of said first level to said second bi-directional control signal line and thereafter providing a control signal of said second level on said second bi-directional control signal line after receiving a control signal of said first level from said third-directional control signal line;

means responsive to a control signal of said second level on said unidirectional control signal line, a control signal of said first level on said first bi-directional control signal line and a control signal of said first level on said second bi-directional control signal line, for applying said image signals on said data signal lines to said modem means for modulating to provide a corresponding communication signal to be transmitted over the communication line and then providing a control signal line; and

means for controlling said modem means to demodulate a communication signal to provide a corresponding image signal and for applying said corresponding image signals to said bi-directional data signal lines, before providing said bi-directional control line with a control signal of said first level.

4. An image information processing system as set forth in claim 3, wherein said system control means comprises means responsive to the abnormal operation of said facsimile means for providing a control signal of said first level on said first bi-directional signal line as indicative of said abnormal operation in response to a control signal of said first level on said unidirectional control signal line and a control signal of said first level on said first bi-directional signal line.

5. A system for processing image information as transmitted over a communication line, said image processing system comprising:

(a) computer means;

(b) facsimile means;

(c) interface means for interconnecting said computer means and said facsimile means;

(d) said facsimile means including scanner means for scanning an original document to read an image thereon to provide an image signal indicative of said document image;

plotter means for recording an image signal on a recording medium;

network control means coupled to the communication line for controlling the reception and transmission of communication signals from and to the communication line respectively;

modem means for modulating an image signal to provide a communication signal and for demodulating a communication signal to provide an image signal;

first interface means having first and second bi-directional gate means coupled to said interface interconnecting means for transmitting and receiving control signals and image signals respectively;

a mode selection switch operable to first and second positions to effect operation of facsimile means in corresponding first and second modes, and system control means; and

(e) computer means including second interface means having third and fourth bi-directional gate means coupled to said interface interconnecting means for transmitting and receiving said control signals and said image signals respectively;

(f) said interface interconnecting means comprising a first unidirectional control signal line for sending a control signal from said first interface means to said second interface means;

a second unidirectional control signal line for sending a control signal from said second interface means to said first interface means;

first, second and third bi-directional control signal lines, each connected at one end to said first bi-directional gate means and at its other end to said third bi-direction gate means; and

a plurality of bi-directional data signal lines, each connected at one end with said second bi-directional gate means at its other end with said fourth bi-directional gate means for transmitting image signals therebetween;

(g) said system control means responsive to the disposition of said mode selection switch to its first position to operate said facsimile means in a first mode, wherein a control signal of a first level is applied to said first unidirectional control signal line to disable the transfer of control signals and image signals via said interface interconnecting means, and said network control means is coupled via the communication line in normal communication with another facsimile; and

(h) said system control means comprising means responsive to the disposition of said mode switch to its second position to operate said facsimile means in its second mode, wherein a control signal of a second level is applied to said first unidirectional control signal line to enable the transfer of said control signals and image signals via said interface interconnecting means;

means responsive to a control signal of a first level on said second unidirectional control signal line, a control signal of a second signal level on said first bi-directional control signal line and a control signal of a first level on said second bi-directional control signal line, for applying said image signals on said data image lines to said plotter means, before applying a control signal of said first level to said third bi-directional control signal line;

means responsive to a control signal of a first level on said second unidirectional control line, for applying image signals derived from scanner means to said bi-directional data signal lines, before applying a control signal of said first level to said second bi-directional signal line and responsive to a control signal of said first level on said third bi-directional control signal line for thereafter applying a control signal of said second level to said second bi-directional control signal line;

means responsive to a control signal of said second level on said second unidirectional control line, a control signal of a first level on said first bi-directional signal line and a control signal of said first level on said second bi-directional signal line, for providing said image signals on said data signal lines to said modem to provide a communications signal to be applied to the communication line, and thereafter applying a control signal of the first level to said third bi-directional control signal line; and

means responsive to a control signal of said second level on said second unidirectional control signal line and a control signal of a second level on said first bi-directional signal line for receiving a communication signal over the communication line, for controlling said modem means to demodulate said received communication signal to provide image signals to said bi-directional data signal lines before applying a control signal of said first level to said second bi-directional control signal line.

6. An image information processing system as set forth in claim 5, wherein said system control means comprises means responsive to the reception of control signals of said first level on said second unidirectional control line and said third bi-directional line, for detecting the abnormal operation of facsimile means to provide a control signal of said first level on said first bi-directional signal line to indicate the abnormal operation of said facsimile means.

7. An image information processing system as set forth in claim 6, wherein said abnormal operation is exhaustion of said recording medium.

8. An interface system for rapidly transmitting signals indicative of an image between a computer and a facsimile, said interface system comprising:

(a) a set of bi-directional data lines coupled at opposite ends to said computer and said facsimile for selectively transmitting in parallel image signals in either of a first direction from said computer to said facsimile or of a second direction from said facsimile to said computer;

(b) first and second bi-directional control lines coupled at opposite ends to said computer and said facsimile for selectively transmitting control signals in either of said first or second directions;

(c) first interface means associated with said facsimile and comprising first and second gates respectively coupled to one end of said first and second control lines, and to one end of said data lines; and

(d) second interface means associated with said computer and comprising third and fourth gates respectively coupled to the other ends of said first and second control lines and to the other ends of said data lines;

(e) said first and third, and second and fourth gates operative in a first mode for transmitting respectively control signals and image signals therethrough in said first direction and in a second mode for transmitting said control signals and said image signals in said second direction;

(f) said second interface means further comprising computer control means responsive to the operation of said computer for applying a selected one of said first and second control signals to said third and fourth gates and via said first control line to said first and second gates to operate said first, second, third and fourth gate means in either their first or second modes, respectively;

(g) after providing said control signal, said computer means first applying image signals to said fourth gate and, then, applying a send control signal via said second control line towards said facsimile;

(h) said first interface means for applying image signals to said second gate, before applying a send control signal via said second control line towards said computer.

9. The interface system as claimed in claim 8, wherein said facsimile is operative in an image processing mode of operation and in a data interchange mode for interchanging data to and from said computer, and there is included a unidirectional control line coupled at opposite ends to said computer and said facsimile, and said first interface means comprising means responsive to the operation of said computer in its data interchange mode for applying an on-line control signal via said unidirectional control line towards said computer.

10. The interface system as claimed in claim 9, wherein said computer control means is responsive to the presence on said unidirectional control line of said on-line control signal for generating said selected one of said first and second control signals.

11. The interface system as claimed in claim 8, wherein there is included facsimile control means associated with said facsimile and responsive to an abnormal condition of said facsimile for transmitting an end-of-data transmission control signal to said first gate, whereby said first gate is disposed in its second mode and via said first control line to said computer control means, and said computer control means responsive to said end-of-data transmission data control signal for disabling further transmission of image signals from said computer.

12. A system processing and controlling the transmission of image signals, comprising:

(a) a facsimile including scanner means for scanning an image carried by a document to provide an image signal indicative of said document to provide an image signal for recording a corresponding image on a recording medium, first interface means including first bi-directional gate means for selectively transmitting and receiving control signals and second bi-directional gate means for selectively transmitting and receiving image signals, and facsimile control means;

(b) a computer comprising second interface means including third bi-directional gate means for selectively transmitting and receiving control signals and fourth bi-directional gate means for selectively transmitting and receiving said image signals, and computer control means;

(c) interface connection means comprising a set of bi-directional data lines coupled at opposite ends respectively to said second and fourth bi-directional gate means for selectively transmitting in parallel a set of said image signals in either of a first direction from said computer to said facsimile or in a second direction from said facsimile to said computer, and first and second bi-directional control lines coupled at opposite ends to said first and third bi-directional gate means for selectively transmitting control signals in either of said first or second directions;

(d) said first and third, second and fourth bi-directional gate means operative in either a first mode for transmitting respectively said control signals and image signals therethrough in said first direction or in a second mode for transmitting said control signals and said image signals therethrough in said second direction;

(e) said computer control means being responsive to the operation of said computer for applying a selected one of a first and second control signals to said third and fourth bi-directional gate means and via said first control line to said first and second bi-directional gate means to operate said first, second, third and fourth bi-directional gate means in their first or second modes, respectively, and, after applying said first control signal, for applying a set of image signals to said fourth bi-directional gate means before applying in said first direction a send control signal via said second control line and said first bi-directional gate means to said facsimile control means;

(f) said facsimile control means responsive to said first control signal for operating said scanner means to generate and apply a set of image signals to said second bi-directional gate means before applying a send control signal via said second control line and said third bi-directional gate means to said computer control means, and responsive to said second control signal for enabling said plotter means and for detecting the presence of said send signal transmitted in said first direction on said second control line to transmit a set of image signals from said second bi-directional gate means to said plotter means, whereby said plotter means records an image on the recording medium in accordance with said transmitted set of image signals.

13. The image processing and transmission system as claimed in claim 12, wherein said interface connection means further comprises a third bi-directional control line coupled at opposite ends to said first and third bi-directional gate means for transmitting in said first and second directions a data received signal indicative that a set of image signals has been received.

14. The image processing and transmission system as claimed in claim 13, wherein said computer control means is responsive to the reception of a set of image signals for transmitting via said third bi-directional gate means and said third bi-directional control lines a data received signal, said facsimile control means responsive to the receipt of said data received signal for terminating the transmission of said send control signal.

15. The image processing and transmission system as claimed in claim 12, wherein there is further included a third control line coupled at opposite ends to said facsimile and computer control means;

said facsimile control means comprising network control means for controlling the transmission and reception of image data corresponding to said image signals via a transmission line to another facsimile;

said computer control means comprising command entry means for selectively providing either a first mode command for operating said system to transmit image data between said computer and the other facsimile via said facsimile and the transmission line or a second mode command for operating said system to transmit image signals between said facsimile and said computer, said first and second mode commands applied via said third control line to said network control means;

said network control means rendered operative in response to said first mode command and comprising means responsive to said first control signal for receiving image data from the other facsimile via the transmission line and applying a set of data signals to said second bi-directional gate means, before sending a send control signal via said second control line to said computer control means, said operative network control means responsive to said second control signal from said computer control means for first detecting the presence of a send control signal on said second control line for receiving a set of image signals from said second bi-directional gate means and thereafter transmitting corresponding image data via the transmission line to the other facsimile.

16. The image processing and transmission system as claimed in claim 15, wherein said facsimile includes modem means coupled to said network control means for modulating image manifestations to provide a corresponding compacted communication signal to be transmitted over the transmission line and for demodulating communications received over the transmission line to provide corresponding image signals.