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Data processing apparatus

A data processing device and image data technology, applied in image memory management, visual presentation using printers, electrical components, etc., can solve problems such as user security and anxiety, and achieve the effect of preventing leakage and improving security

Active Publication Date: 2007-03-21
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, an uncomfortable situation where the image input last time is printed will cause the user to feel uneasy about security.

Method used

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Embodiment Construction

[0023] The data processing apparatus of this embodiment is shown in FIG. 1 . The data processing device is a digital multi-functional peripheral having a copy mode, a printer mode, a scanner mode, and a facsimile mode, and includes: an image reading unit 1 that reads an original and inputs image data; an operation unit 2 that accepts user input; Image forming unit 3 for image data; hard disk device 4 for storing image data; communication unit 5 for communicating with external devices; FAX modem 7 for communicating with facsimile device 6 ; Control information or settings for the entire device are stored A management unit 8 for information and the like; and a device control unit 9 for overall control of the device.

[0024] The image reading unit 1 functions as a data input unit for inputting image data, and includes an imaging element such as a CCD 1a, and a document detection sensor 1b that detects a document placed on a document table or an automatic document feeder (ADF). ...

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Abstract

The image data in the local memory is continuously deleted, thereby preventing leakage of old image data when an exception occurs. When image data is input, it is stored in the used area of ​​the local memory. When the processing of the image data is completed, the data delete task is executed, and the image data in the local memory is deleted. When new image data is input during execution of the data deletion task, the data deletion task is interrupted. When the processing of the image data is completed, the data deletion task is restarted from the interrupted position.

Description

technical field [0001] The present invention relates to a data processing apparatus that stores input image data and performs processing of image data such as printing, image communication, facsimile communication, and the like. Background technique [0002] In recent years, a combination of functions has been advanced in data processing apparatuses having a copying function of electronically scanning and reading an image of a document and copying the image data. For example, it has a function of a network printer that receives image data from an information processing apparatus such as a personal computer from a network connected to a LAN, and prints an image, and a function of a network scanner that transmits the read image data to the information processing apparatus, A facsimile function that transmits and receives image data to and from an external facsimile device via a network or telephone line. [0003] The multifunctional data processing device is provided with a s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/21
CPCH04N2201/218G06T1/60H04N1/32363H04N1/44H04N1/00917G06K15/02H04N2201/3295H04N2201/0094
Inventor 冈本裕次上田直史矢岛俊辅吉浦昭一郎
Owner SHARP KK