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Method for transferring documents
| Details |
Inventors: Noy, Amir;
Assignee: Scitex Corporation, Limited (Herzlia Bet, IL)
Primary Examiner: Eng; David Y.
Assistant Examiner:
Attorney, Agent or Firm: Skjerven, Morrill, MacPherson, Franklin & Friel
The present invention is a protocol by which document handlers, document creators and output devices can communicate desired document attributes and available document handling capabilities to each other. If the available capabilities do not match the desired ones, the protocol provides the ability to change the desired capabilities so as to match what is available. The protocol also provides the ability to question a device as to its available capabilities. For output devices, the protocol enables a document handler to first provide a list of desired document handling capabilities to an output device and to receive information regarding whether or not the output device has the desired handling capabilities. Only once the document handling capabilities of the output device are acceptable may document data be sent. For document creators, the protocol enables a document handler to first provide a list of desired document attributes to a document creator and to receive information regarding whether or not the document creator can produce a document with the desired attributes. Only once the document attributes are acceptable is the document creator permitted to send the document data. |
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DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT Reference is now made to FIGS.
1A and 1B which illustrate, in block diagram format, "output" communication for the purposes of producing a physical version of a document, in accordance with a preferred embodiment of the method of the present invention.
FIG.
1A illustrates a mode of determining capabilities and FIG.
1B illustrates sending the document data.
In the method of the present invention, when an operator wants to output a document, the document handler 10 on which he is working first communicates with an output system 12 to determine whether or not the output system 12 can produce the document (FIG.
1A).
If so, the document handler 10 may send the document data to the output system 12 for production (FIG.
1B).
The protocol of the present invention need not be used just for producing documents; it can also be utilized just for determining the capabilities of the output system 12.
In the example of FIGS.
1A and 1B, the output system 12 comprises an output system controller 20 and two plotters 22 and 24 having different document capabilities.
The document handler 10 comprises a controller 14.
The document to be sent, for example, has the following internal document attributes: four 8 bit color separations each described in the L*a*b* color system, and TIFF format.
It has the following external document attributes defined by the operator: 800 dots per inch (dpi) resolution and production required within 1 minute.
After establishing a physical connection, the controller 14 of document handler 10 queries the output system controller 20 if it can plot the document.
The output system controller 20, in turn, queries each of plotters 22 and 24 if they can perform the operation.
Typically, the query to the plotters 22 and 24 concerns only those capabilities which the plotters 22 and 24 handle.
For example, only the attributes of 800 dpi resolution, four 8 bit color separations and the amount of time, of the one minute, within which the plotters can operate, would be sent to the plotters
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