GB2189115A - Facsimile interface terminal - Google Patents
Facsimile interface terminal Download PDFInfo
- Publication number
- GB2189115A GB2189115A GB08707557A GB8707557A GB2189115A GB 2189115 A GB2189115 A GB 2189115A GB 08707557 A GB08707557 A GB 08707557A GB 8707557 A GB8707557 A GB 8707557A GB 2189115 A GB2189115 A GB 2189115A
- Authority
- GB
- United Kingdom
- Prior art keywords
- data
- communication
- format
- directing
- control means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32037—Automation of particular transmitter jobs, e.g. multi-address calling, auto-dialing
- H04N1/32053—Delayed transmission, e.g. to make use of reduced connection rates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32037—Automation of particular transmitter jobs, e.g. multi-address calling, auto-dialing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0065—Converting image data to a format usable by the connected apparatus or vice versa
- H04N2201/0067—Converting to still picture data
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Facsimiles In General (AREA)
Abstract
A facsimile interface terminal 10 is capable of transmitting information from one location to another remote location without the need of a dedicated computer or word processor. The facsimile interface terminal is able to receive a code in a first format, such as ASCII code, e.g. from P.C. 14 and convert it into a format usable for transmitting information to a facsimile machine at a remote location. The facsimile interface terminal also has memory 28 whereby information may be stored as desired and transmitted at a later date. The information may be printed locally in a "hand copy" format. <IMAGE>
Description
SPECIFICATION
Facsimile interface terminal
This invention relates to a facsimile interface terminal and a method for transmitting information between units at remote locations.
Use offacsimile machines has become common place in larger business entities. Afacsimile machine is able to transmit the contents of a document over long distance quickly, reliably, and relatively inexpensively. Facsimile machines can transmit alpha numer iccharactersaswell as graphics and are capable of transmitting charts, drawings, photos and graphs, in addition to standard business letters. In a facsimile machine, characters of an original document are transformed into electronic impulses through the use of a scanning device. These impulses are transmitted over publictelephone lines, private lines or microwave relay systems and the information represented by the impulses is printed onto a hard copy at the receiving end by a receiving facsimile machine.
Althoughfacsimilemachinesaregenerallystand alone units,they are gradually being connected to other automated office systems, such as computers, telecopiers and word processors. Such other systems normally transmit signals that are not readily receivable by facsimile machines. Facsimile machines normallytalktooneanotherthroughfaxlanguage that is known as T.30. On the other hand, other transmitting devices, such as word processors, output a differentformatsuch as ASCII code.
Facsimile interface terminals are available whereby information may be transmitted from a machine, such as a computer or word processor, to a facsimile machine which is ata remote location. The drawback of present day facsimile interface terminals is that one is required to have a dedicated computer or word processor connected to the transmitting device.
Obviously, it would be desirable to have a facsimile interface terminal that does not require the use of a dedicated computer orword processor and is able to communicate directly with transmitting facsimile machines. The facsimile interface terminal should be able to transmit information either in real time or in delayed transmission.
According to one aspect of thins invention there is provided a facsimile interface terminal fortransmit- ting information between units at remote locations, comprising:
(a) input means for receiving data in a first format from a first unit at a first remote location,
(b) directing means in communication with said input means for directing the flow of data in accordance with commands contained within said data,
(c) control means for controlling data flow in communication with said directing means,
(d) converting means for converting said data from said firstformatto second format, said converting means being in communication with said control means, (e) output meansfortransmitting data in said second format, and
(f) communication means electrically connected to said directing means, said control means and said output means for coordinating the activity of said directing and control means and directing said output means to output the data.
According to another aspect of this invention, there is provided a method oftransmitting information between units at remote locations comprising:
(a) receiving data in a first code format from a first unit at a first remote location,
(b) controlling the flow of data between a memory and a character image converter in accordance with commands contained with the code format,
(c) converting the data from said firstformatto second format and, (d) outputting the data in the second format to a second unit at a second remote location,
According to yet another aspect of thins invention, there is provided a facsimile interface terminal for transmitting information between units at remote locations,thecombination comprising::~
(a) input means for receiving data in a first format from a first unit at a first remote location,
(b) data directing means in communication with said input means for directing the flow of data in accordance with commands contained within said data,
(c) control means for controlling data flow in communication with said directing means,
(d) converting means for converting said data from said firstformatto second format, said converting means being in communication with said control means,
(e) output means fortransmitting data in said second format, and
(f) logic means electrically connected to said directing means, said control means and said output means for coordinating the activity of said directing means, said control means and said converting means and being operative to initialize said output means to output the data.
The embodiment of the invention detailed herein provides a facsimile interface terminal having the ability to provide communication between a facsimile machine and either a word processor or another facsimile machine. The facsimile interface terminal is able to receive a code in a first format, such as ASCII code, and convert it into a format usable fortransmitting information to a facsimile machine at a remote location. The facsimile interface terminal also has memory whereby information may be stored as desired and transmitted at a later date. Afurther feature ofthis embodiment is that it provides a facsimile interface terminal capable of performing the functions of a facsimile machine.
The invention will now be described byway of example, reference being made to the accompanying drawings in which :- Figure 1 shows a block diagram of a facsimile interface terminal; and
Figures 2 and 3 are flow charts describing operation of the terminal shown in Figure 1.
Afacsimileinterfaceterminal is shown generally at 10. What is meant by the term "facsimile interface terminal" is a facsimile machinethat has been modified to have the capability of communicating with remote devices, such as tolocopiers, computers and word processors, and either store the information received for printing and/or subsequent transmission to a facsimile machine at a remote location. The facsimile interface terminal 10 has an input port 12 capable of receiving a format such as ASCII code. The
ASCII code would represent information received from a remote device. The invention will be described in conjunction with information being received from a personal computer 14that is connected to the facsimile interface terminal 10 through a line 16 via a telephone network.Externaltotheterminal 10 is a modem 20 that converts signals received through the telephone line 16to a usable format and sends the converted signal to either a buffer30 or a data flow controller 24. The command buffer 30 is in communication with a command interpreter 22 which in turn is in communication with the data flow controller 24to submit information thereto. Downstream from the data flowcontroller 24 is a character image converter26. A disc file 28also is connected to the data flow controller 24. An example of a suitable disc file 28 is a Winchester Disc available from Xebec Corporation. The disc file 28 will store data received from the data flow control 24 for subsequent retrieval.
A clock 32 is in communication with the command buffer 30. Afacsimile control/communication unit34 is in communication with and receives outputs from the character image converter 26, the command buffer 30 and the clock 32. The facsimile control/communication unit 34 is in communication with a second modem 36 that provides communication with remote facsimile machines. Connected to the facsimile control/ communication unit34are a scanner38 and a printer 40.
The personal computer 14 may be one of a large number of personal computers commercially avail- able such asan IBM PC Ai available from IBM Corp..
The outputfrom the personal computer 14 is received bythe modem 20 intheform of messages that include commands and data. The commands are sent to the command buffer 30 which will forward such commands to the command interpreter 22. The command interpreter 22 is basically a program residing in an
EPROM which analyzes the commands and directs the data flow controller 24 accordingly. The outputofthe personal computer 14 received from the modem 20 will have a headerthatwill directthe subsequent data to the data flow control 24. This data will be stored in thediscfile28undercontrol ofthecommand interpreter 22.The commands will either be stored in the command buffer 30 for future processing orwill be forwarded to the data flow unit 24for immediate processing depending upon the commands received.
The data flow unit 24 incorporates a large number of gates that direct data to the disk file for storage and will directthe data from the disk file 28tothe character image converter 26. Whether the data is to be processed in real time or in the future, itwill always be stored in the discfile 28. Subsequently, the dataflow unit 24 wilf fetch data from the disc file 28 in response to a command received from the command interpreter 22.Thecharacterimage converter 26 is an EPROMthat has been programmed to carry outthe function of a character generator whereby data is placed in a format capable oftransmission by the facsimile control/ communication unit34eithertotheprinter40ortoa remote facsimile machine via the modem 36.
The command buffer30 receives information from the input 12 and will store selected series ofcom- mands. These series of commands will be conveyed to the data flow control unit 24 at the appropriate time via the command interpreter 22 for the purpose of controlling the transmission of data to the character image converter 26. This is performed in conjunction with the clock 32. A portion ofthe commands stored in the command buffer 30 will determine when a data is to be sentfrom the disc unit 28. Upon an appropriate clock signal being received by the command buffer, selectedcommandswill be sent to the command interpreter 22.
When a message is to be sent to a remote facsimile machinethisfunctionwill be handled by the facsimile control/communication unit 34 which may be a microprocessor, such as a Z/8000 microprocessor available from Zilog, a division of Exxon Corporation.
The facsimile control communication unit34 receives a c [ ocksignal from the clock 32, commands from the command buffer 30 and data from the character image converter 26 and encodes messages to minimize the number of bits transmitted
Referring specifically to Fig 2, a block diagram is shown that describes the operation of storing data in the disc file 28. The system is initialized 44 and a determination is made whether data is being input 46.
If data is not being input, it is monitored by a continuous loop. If data is being input, it is received 48 and queried as to whetherthe data is a command 50. If the data is not a command an error is sent 52 to the personal computer 14. If the data is a command then it is queried whether the command is valid 54. If the command is notvalid an error is sent 52 again. If the command is valid then the command is retained 56 within the command buffer 30 which command woule include an execution time signal. The balance ofthe data would then be received 58 by the data flow control unit 24. A query is then made whether the data being received is a command 60 and if so, the previous command is deleted 62 and the last received command istested forvalidity 54 and the routine is repeated.If the data is not a command 60 then the data is stored 64 in the disc file 28. Upon storage with the disc file 28, an end of message signal is transmitted 66 to the personal computer 14.
Referring now to Fig.3the process involved in transmitting a message is described after the data has been stored in the disc file 28 as described in conjunction with Fig. 2. The system is first initialized 68. Upon initialization, the clock 32 is monitored and compared to execution time commands. This initialization may be in response to a command from the input datathatthe data isto be sent immediately or upon a clock signal being received from the clock 32 to activate a command stored in the command buffer 30.
A query is made through the command buffer 30 and clock 32 asto whether it istime to execute the command 70. If it is nottime to execute, the command then the query will be looped as indicated. If the time has come to execute a command, the command is then passed 72 from thecommand buffer 30 to the command interpreter22. The command will then be interpreted 74 and data will be retrieved from the disc file 76. This data will then be converted to fax format 78. A query is then madewhetherthe command signal is a "send" command 80. If such a "send" command is received, then a remote facsimile terminal is contacted 82 and the data will be transmitted through control ofthefacsimile control/communication unit 34. If the command is nota "send",then an inquiry is made as to whether the command is for a mailbox 84.
If so, then the data is stored in an assigned address 86 of the disc file 28. If it is not a mail box command, then the data is printed 88 by the printer40 under command of the facsimile control/communication unit 34.
The advantage ofthe facsimile interface terminal 10 is that it performs the function of message managing, i.e., all the information is received within the terminal and the unit is independent. This is accomplished primarily because of the presence of the command interpreter22 and character image converter 26. The command interpreter22 determines whether the received information is in a format capable of being transmitted to a facsimile machine. If not, the data is rotated through the character image converter26 by commandsfrom the command interpreter22. Other units ofthistype always require a dedicated computer or word processorto control the functions of message transmission.
It will be appreciated that the facsimile interface terminal i0iscapableofperformingallthefunctions of a standard facsimile machine. The scanner 38 would scan a document to be reproduced and supply data tothe facsimile control/communication unit 34.
The latterwould forward this information data flow control 24 and the information would either be stored in the diskfile 28 forfuture transmission ortransmit- ted immediatelyth rough the modem 36 to a remote facsimile machine. Alternatively, the facsimile control/ communication unit would receive information from a remote facsimile machine th rough the modem 36 and cause the printer40to reproduce the information in hand copy.
Claims (14)
1. Afacsimile interface terminal for transmitting information between units at remote locations, comprising: (a) input means for receiving data in a first format from a first unit at a first remote location,
(b) directing means in communication with said input means for directing the flow of data in accord- - ance with commands contained within said data,
(c) control means for controlling data flow in communication with said directing means, (d)converting meansforconverting said data from said firstformatto second format, said converting means being in communication with said control means,
(e) outputmeansfortransmitting data in said second format, and
(f} communication means electrically connected to said directing means, said control means and said output means for coordinating the activity of said directing and control means and directing said output means to outputthe data.
2. A facsimile interface terminal according to claim 1 including a memory in communication with said control means, said control means being operative to provide data to said memory and remove data from said memory under control of said control means.
3. Afacsimile interface terminal according to claim 1 or claim 2 including a character image converter in communication with said control means and with said communication means.
4. Afacsimile interface terminal according to any preceding claim including a clock in communication with said control means.
5. A method oftransmitting information between units at remote locations comprising:
(a) receiving data in a first code format from a first unit at a first remote location,
(b) controlling the flow of data between a memory and a character image converter in accordance with commands contained with the code format,
(c) converting the data from said firstformatto second format and,
(d) outputting the data in the second format to a second unit at a second remote location.
6. A method according to claim 5 including the step of storing the received data in a memory.
7. A method according to claim 6 including the step of providing time signal response data within the received data and retrieving the data from the memory in response to a time signal.
8. Afacsimile interface terminal for transmitting information between units at remote locations, the combination comprising:~
(a) input means for receiving data in a first format from a first unit ata first remote location,
(b) data directing means in communication with said input means for directing the flow of data in accordance with commands contained within said data,
(c) control means for controlling data flow in communication with said directing means, (d) converting means for converting said data from said firstformatto second format, said converting means being in communication with said control means, (eyoutputmeansfortransmitting data in said second format, and (f)logic means electrically connected to said directing means, said control means and said output means for coordinating the activity of said directing means, said control means and said converting means and being operative to initialize said output means to output the data.
9. Afacsimile interface terminal according to claim 8 including a memory in communication with said control means, said control means being operativeto provide data to said memory and remove data from said memory in response to commands received from said input means.
10. Afacsimile interface terminal accordingto claim 8 or cla im 8 wherein sa id converting means is a character image converter.
11. A facsimile interface terminal according to any one of claims 8 to 10 including a clock in communication with said logic means and said directing means.
12. Afacsimile interface terminal substantially as herein described with reference to and as illustrated in the accompanying drawings.
13. A method oftransmitting information between units at remote locations, substantially as herein described with reference to the accompanying drawings.
14. Any novel combination or sub-combination disclosed and/or illustrated herein.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85105686A | 1986-04-11 | 1986-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8707557D0 GB8707557D0 (en) | 1987-05-07 |
| GB2189115A true GB2189115A (en) | 1987-10-14 |
Family
ID=25309852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08707557A Withdrawn GB2189115A (en) | 1986-04-11 | 1987-03-30 | Facsimile interface terminal |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2189115A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196518A (en) * | 1986-10-17 | 1988-04-27 | Airtech Ltd | Protocol adaptor |
| US4964154A (en) * | 1988-01-14 | 1990-10-16 | Ricoh Company, Ltd. | Communication adapter device for use with a facsimile device combined with a computer |
| EP0426412A2 (en) * | 1989-10-31 | 1991-05-08 | Canon Kabushiki Kaisha | Compound electronic apparatus |
| EP0483984A2 (en) * | 1990-10-31 | 1992-05-06 | Hewlett-Packard Company | ASCII to ASCII transfer using fax protocol |
| EP0506717A1 (en) * | 1989-12-22 | 1992-10-07 | John Leslie Perkins | Integrated data communication system. |
| FR2679404A1 (en) * | 1991-07-17 | 1993-01-22 | Microformatic Sa | System for transmitting and receiving documents by fax from a microcomputer |
| EP0529788A1 (en) * | 1991-08-01 | 1993-03-03 | Du Pont (Australia) Ltd.. | Data transmitting and/or receiving device |
| EP0536487A1 (en) * | 1991-08-30 | 1993-04-14 | Siemens Aktiengesellschaft | Method for data conversion |
| GB2270821A (en) * | 1992-09-19 | 1994-03-23 | Ibm | Message transmission in a computer network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3558811A (en) * | 1967-05-25 | 1971-01-26 | Xerox Corp | Graphic communication electrical interface system |
| US4058838A (en) * | 1976-11-10 | 1977-11-15 | International Telephone And Telegraph Corporation | Packet-switched facsimile communications system |
| EP0075729A2 (en) * | 1981-09-29 | 1983-04-06 | Siemens Aktiengesellschaft | Operating system in an integrated office for the communicative interaction of several office terminals with an electronic house-mail system |
| US4571633A (en) * | 1982-07-12 | 1986-02-18 | Ricoh Company, Ltd. | High-speed facsimile machine capable of parallel processing |
| GB2172479A (en) * | 1985-01-31 | 1986-09-17 | Canon Kk | Data communication apparatus |
-
1987
- 1987-03-30 GB GB08707557A patent/GB2189115A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3558811A (en) * | 1967-05-25 | 1971-01-26 | Xerox Corp | Graphic communication electrical interface system |
| US4058838A (en) * | 1976-11-10 | 1977-11-15 | International Telephone And Telegraph Corporation | Packet-switched facsimile communications system |
| EP0075729A2 (en) * | 1981-09-29 | 1983-04-06 | Siemens Aktiengesellschaft | Operating system in an integrated office for the communicative interaction of several office terminals with an electronic house-mail system |
| US4571633A (en) * | 1982-07-12 | 1986-02-18 | Ricoh Company, Ltd. | High-speed facsimile machine capable of parallel processing |
| GB2172479A (en) * | 1985-01-31 | 1986-09-17 | Canon Kk | Data communication apparatus |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196518A (en) * | 1986-10-17 | 1988-04-27 | Airtech Ltd | Protocol adaptor |
| US4964154A (en) * | 1988-01-14 | 1990-10-16 | Ricoh Company, Ltd. | Communication adapter device for use with a facsimile device combined with a computer |
| EP0426412A2 (en) * | 1989-10-31 | 1991-05-08 | Canon Kabushiki Kaisha | Compound electronic apparatus |
| EP0426412A3 (en) * | 1989-10-31 | 1992-07-15 | Canon Kabushiki Kaisha | Compound electronic apparatus |
| US5598533A (en) * | 1989-10-31 | 1997-01-28 | Canon Kabushiki Kaisha | Compound electronic apparatus having a computer and facsimile connected via a common memory for communications including printing computer data with the facsimile |
| EP0506717A4 (en) * | 1989-12-22 | 1993-05-19 | John Leslie Perkins | Integrated data communication system |
| EP0506717A1 (en) * | 1989-12-22 | 1992-10-07 | John Leslie Perkins | Integrated data communication system. |
| EP0483984A2 (en) * | 1990-10-31 | 1992-05-06 | Hewlett-Packard Company | ASCII to ASCII transfer using fax protocol |
| EP0483984A3 (en) * | 1990-10-31 | 1992-08-26 | Hewlett-Packard Company | Ascii to ascii transfer using fax protocol |
| FR2679404A1 (en) * | 1991-07-17 | 1993-01-22 | Microformatic Sa | System for transmitting and receiving documents by fax from a microcomputer |
| EP0529788A1 (en) * | 1991-08-01 | 1993-03-03 | Du Pont (Australia) Ltd.. | Data transmitting and/or receiving device |
| EP0536487A1 (en) * | 1991-08-30 | 1993-04-14 | Siemens Aktiengesellschaft | Method for data conversion |
| GB2270821A (en) * | 1992-09-19 | 1994-03-23 | Ibm | Message transmission in a computer network |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8707557D0 (en) | 1987-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |