Title:
OPERATION METHOD OF DIGITAL COPIER
Document Type and Number:
Japanese Patent JP2003296195
Kind Code:
A
Abstract:
To protect digital data in a copier.
This operation method is for a digital copier including a scanner for reading image data, a memory for storing image data, and a printer for printing images on a printing paper based on the image data. This method includes a step of encrypting image data in the memory, a step for retaining a key for decrypting data in the memory, and a step for making data in the memory substantially inaccessible in response to a security alert.
Inventors:
HUTCHISON IAN
Application Number:
JP2003019745A
Publication Date:
October 17, 2003
Filing Date:
January 29, 2003
Export Citation:
Assignee:
XEROX CORP
International Classes:
G06F12/14; G06F21/10; G06F21/60; G06F21/62; G06F21/88; G09C1/00; H04N1/00; H04N1/04; H04N1/21; H04N1/32; H04N1/44; (IPC1-7): G06F12/14; G09C1/00; H04N1/04; H04N1/21
Attorney, Agent or Firm:
Atsushi Nakajima (1 person outside)
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