# US 2014/0153034 A1 · Image processing device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153034 A1 - Document ID: US20140153034A1 - Status: Published application - Kind: A1 - Application number: 14/175,198 - Filed: 2014-02-07 - Published: 2014-06-05 - Earliest claimed: 2002-05-30 - Assignees: Sharp Kabushiki Kaisha - Applicants: Sharp Kabushiki Kaisha - Inventors: Atsuhiko Fukushima; Yuji Okamoto; Toshihiro Yamanaka; Toshihiko Fukuhara; Shuhji Fujii; Tatsuo Nomura; Syouichirou Yoshiura; Tsutomu Yoshimoto - Web page: https://patentgrep.com/patent/US20140153034A1 ## CPC - G06F 21/608: {Secure printing} - G06F 21/6209: {to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself} - H04N 1/00408: {Display of information to the user, e.g. menus} - H04N 1/00856: {Preventive measures} - H04N 1/00877: {Recording information, e.g. details of the job} - H04N 1/21: Intermediate information storage (H04N1/387, H04N1/41 take precedence {; for control between transmitter and receiver or between image input and image output device H04N1/32358; indexing, editing G11B27/00}) - H04N 1/2104: {for one or a few pictures} - G06F 2221/2143: Clearing memory, e.g. to prevent the data from being stolen - H04N 2201/0094: Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception - H04N 2201/218: Deletion of stored data; Preventing such deletion - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An image processing device comprises an image data input means 2, an image data storage means 12 for storing the image data being input, an image data processing means 6 having multiple processing modes for outputting the stored image data, and a image data erasing means for erasing the image data stored in the storage means 12. The device further comprises erase count control means 8, 14 for controlling the number of times for erasing image data capable of having the number of times of erase set arbitrarily according to the security level required for each mode, and capable of having the set number of times of erase changed in mid-flow. Confidentiality is protected by performing erase operations repeatedly to the region storing the unnecessary image data according to the security level. ## Claims ### Claim at position 1 -17. (canceled) ### Claim 18 An image processing device comprising: an image data input unit which inputs image data; a data storage unit which stores the data inputted through the image data input unit; a data processing unit which processes the data stored in the data storage unit; and a data erasing unit which erases the data stored in the data storage unit; wherein the data erasing unit includes an erase control unit which repeatedly executes an erasing processing with respect to the data stored in the data storage unit for a plurality of times, and an erase frequency setting unit which changes a data erasing frequency, and the change of the data erasing frequency with the erase frequency setting unit is capable of being performed at an installation site. ### Claim 19 (depends on 18) The image processing device according to claim 18, wherein the erase processing of the image data by the erase control unit is overwriting the image data stored in the data storage unit that became unnecessary. ### Claim 20 (depends on 18) The image processing device according to claim 18, wherein the erase processing of the image data by the erase control unit is overwriting a white data to the image data stored in the image data storage unit that became unnecessary. ### Claim 21 (depends on 18) The image processing device according to claim 18, wherein the data erasing frequency which is set by the erasing frequency setting unit is a frequency of overwriting an unspecified pattern image formed by random number generation to the image data stored in the data storage unit that became unnecessary. ### Claim 22 An image processing device comprising: an image data input unit which inputs image data; an image data storage unit which stores the image data inputted through the image data input unit; an image data processing unit which outputs the image data stored in the image data storage unit; and an image data erasing unit which erases the image data stored in the data storage unit; wherein the image data erasing unit includes an erase control unit which repeatedly executes an erasing processing with respect to the image data stored in the image data storage unit for a plurality of times, and an erase frequency setting unit which changes a data erasing frequency, the change of the data erasing frequency with the erase frequency setting unit is capable of being performed at an installation site, and the erase control unit automatically executes the erase processing at the data erase frequency set by the erase frequency setting unit, when the data processing unit completes a processing of the image data. ### Claim 23 (depends on 22) The image processing device according to claim 22, wherein the erase processing of the image data by the erase control unit is overwriting the image data stored in the data storage unit that became unnecessary. ### Claim 24 (depends on 22) The image processing device according to claim 22, wherein the erase processing of the image data by the erase control unit is overwriting a white data to the image data stored in the image data storage unit that became unnecessary. ### Claim 25 (depends on 22) The image processing device according to claim 22, wherein the data erasing frequency which is set by the erasing frequency setting unit is a frequency of overwriting an unspecified pattern image formed by random number generation to the image data stored in the data storage unit that became unnecessary. ### Claim 26 An image processing device comprising: a data input unit which inputs an image data; a data storage unit which stores the data input from the data input unit; and a data erasing unit which erases all the data stored in the data storage unit; wherein the data erasing unit includes an erase control unit which repeatedly executes an erasing processing with respect to the data stored in the data storage unit for a plurality of times, and an erase frequency setting unit which changes a data erasing frequency, the change of the data erasing frequency with the erase frequency setting unit is capable of being performed at an installation site, the erase control unit comprises a manual instructing unit which instructs an initiation of the erase processing with respect to the data, and when the instruction of the initiation is input from the manual instructing unit, the erase control unit repeats the erasing process at the data erasing frequency set by the erase frequency setting unit, and executes the erasing processing of all the data stored in the data storage unit. ### Claim 27 (depends on 26) The image processing device according to claim 26, wherein the erase processing of the image data by the erase control unit is overwriting to all the image data stored in the image data storage unit that became unnecessary. ### Claim 28 (depends on 26) The image processing device according to claim 26, wherein the erase processing of the image data by the erase control unit is overwriting a white data to all the image data stored in the image data storage unit that became unnecessary. ### Claim 29 (depends on 26) The image processing device according to claim 26, wherein the data erasing frequency which is set by the erasing frequency setting unit is a frequency of overwriting an unspecified pattern image formed by random number generation to all the data stored in the data storage unit that became unnecessary.