1. A method for field level encryption of documents, comprising:
receiving, by a multifunction device, an image of an original hardcopy document;
identifying a sensitive information field contained in the original hardcopy document, the sensitive information field containing sensitive information;
encrypting the sensitive information contained in the identified sensitive information field;
determining a permission level associated with viewing the sensitive information of the sensitive information field;
identifying at least one highlighted portion of the original hardcopy document, wherein the color of the at least one highlighted portion corresponds to the determined permission level associated with the sensitive information contained in the sensitive information field;
associating the determined permission level with the encrypted sensitive information of the sensitive information field; and
generating, by the multifunction device, a redacted hardcopy of the original hardcopy document having at least one redacted portion, wherein the at least one redacted portion corresponds to the encrypted sensitive information field,
wherein the multifunction device is in communication with a data storage comprising a document identification correlating at least one permission level with the document, and a device identification correlating a mobile device with at least one permission level of the document.
2. The method of claim 1, wherein determining sensitive information field further comprises:
identifying at least one highlighted portion of the original hardcopy document, wherein the color of the at least one highlighted portion corresponds to the determined permission level associated with the sensitive information contained in the sensitive information field.
3. The method of claim 1, wherein determining sensitive information further comprises:
performing linguistic content analysis on text of the original document to detect sensitive information; and
identifying the sensitive information field in accordance with the performed analysis corresponding to the detected sensitive information.
4. The method of claim 1, further comprising:
generating a glyph representative of the encrypted sensitive information contained in the sensitive information field; and
rendering the glyph on the redacted hardcopy of the original document.
5. The method of claim 4, wherein the glyph comprises the encrypted sensitive information contained in the sensitive information field and a corresponding location of the sensitive information field on the document.
6. The method of claim 1, further comprising:
extracting the encrypted sensitive information;
identifying a document identification associated with the original document;
identifying a device identification representative of an authorized mobile device;
identifying a permission level associated with the sensitive information field corresponding to the device identification; and
storing the encrypted sensitive information field in a data storage in association with the document identification, the device identification, and the corresponding permission level.
7. The method of claim 6, further comprising:
receiving a sensitive information request from a mobile device, the sensitive information request including a document identification and a device identification associated with the mobile device;
searching the data storage for the sensitive information field associated with the received document identification and device identification; and
communicating the sensitive information field to the requesting mobile device in accordance with a result of the searching indicating an authorized mobile device.
8. A field level document encryption method, comprising:
receiving a redacted hardcopy document, the hardcopy document including at least one redacted portion corresponding to a sensitive information field;
retrieving, with a mobile device having a device identification associated therewith, an encrypted sensitive information field corresponding to the at least one redacted portion of the hardcopy document, the hardcopy document having a document identification associated therewith, wherein the sensitive information field being encrypted in accordance with a permission level corresponding to an authorization to view the sensitive information field, and wherein each of the plurality of permission levels is associated with a highlight color;
decrypting the encrypted sensitive information field corresponding to the at least one redacted portion of the hardcopy document in accordance with a permission level of the mobile device associated with viewing the sensitive information of the sensitive information field;
capturing, by the mobile device, an image of the redacted hardcopy document; and
generating a visual representation of the captured image of the hardcopy document on a display associated with the mobile device, the visual representation having the at least one redacted portion replaced with the decrypted sensitive information field
a plurality of permission levels corresponding to an authorization to view a sensitive information field, each of the plurality of permission levels associated with a highlight color;
document identification correlating at least one permission level with the document; and
device identification correlating a mobile device with at least one permission level of the document.
9. The method of claim 8, wherein retrieving the encrypted sensitive information field further comprises:
determining the document identification associated with the redacted hardcopy document;
generating a sensitive information request for the encrypted sensitive information field, the sensitive information request comprising the document identification and a device identification associated with the mobile device; and
securely retrieving the encrypted sensitive information field in response to the submitted sensitive information request.
10. The method of claim 9, wherein the retrieved encrypted sensitive information field further comprises a position of the sensitive information field on the visual representation of the hardcopy document.
11. The method of claim 8, wherein generating a visual representation further comprises generating a display of an unredacted depiction of the redacted hardcopy document using augmented reality.
12. The method of claim 8, further comprising:
capturing a portion of the redacted hardcopy document containing at least one of a glyph or a two-dimensional code;
wherein retrieving the encrypted sensitive information field further comprises analyzing the at least one of a glyph or a code so as to identify the encrypted sensitive information field of the redacted hardcopy document; and
wherein decrypting the encrypted sensitive information field further comprises determining a position of decrypted sensitive information field on the hardcopy document.
13. The method of claim 8, wherein the encrypted sensitive information field is located in a position on the redacted hardcopy document corresponding to a proper position of the sensitive information field when decrypted.
14. A field level document encryption system, comprising:
a processor;
a memory in communication with the processor;
an associated display;
an image capture component; and
the memory storing instructions which cause the processor to:
retrieve an encrypted sensitive information field corresponding to at least one redacted portion of a redacted hardcopy document,
decrypt the encrypted sensitive information field corresponding to the at least one redacted portion of the hardcopy document in accordance with a permission level associated with viewing sensitive information of the sensitive information field,
capture, with the image capture component, an image of the redacted hardcopy document, and
generate a visual representation of the captured image of the hardcopy document on the associated display, the visual representation having the at least one redacted portion replaced with the sensitive information from the decrypted sensitive information field in the visual representation of the captured image of the hardcopy document; and
a data storage in communication with the processor, comprising:
a plurality of permission levels corresponding to an authorization to view a sensitive information field, each of the plurality of permission levels associated with a highlight color;
document identification correlating at least one permission level with the document; and
device identification correlating a mobile device with at least one permission level of the document.
15. The system of claim 14, wherein the memory further includes instructions which cause the processor to:
determine a document identification associated with the redacted hardcopy document;
generate a sensitive information request for the encrypted sensitive information field, the sensitive information request comprising the document identification and a device identification associated with the mobile device; and
securely retrieve the encrypted sensitive information field in response to the submitted sensitive information request.
16. The system of claim 14, wherein the memory further includes instructions which cause the processor to:
capture, with the image capture component, a portion of the redacted hardcopy document containing at least one of a glyph or a two-dimensional code;
wherein retrieval of the encrypted sensitive information field further comprises analyzing the at least one of a glyph or a code so as to identify the encrypted sensitive information field of the redacted hardcopy document; and
wherein decryption of the encrypted sensitive information field further comprises determining a position of decrypted sensitive information field on the hardcopy document.
17. The system of claim 14, wherein the encrypted sensitive information field is located in a position on the redacted hardcopy document corresponding to a proper position of the sensitive information field when decrypted.
18. A system for field level encryption of a document, comprising:
a processor;
a memory in communication with the processor;
a printer engine;
a scanning component;
the memory storing instructions which cause the processor to:
capture, with the scanning component, an image of an original hardcopy document;
identify at least one sensitive information field contained in the hardcopy original document;
determine a permission level associated with viewing the sensitive information of the sensitive information field;
encrypt the identified sensitive information field in accordance with the determined permission level; and
output, with the printer engine, a redacted hardcopy of the original hardcopy document having at least one redacted portion, wherein the at least one redacted portion corresponds to the encrypted sensitive information field, the encrypted sensitive information field being stored in the at least one redacted portion of the redacted hardcopy output, extracted and remotely stored from the redacted hardcopy output, or embedded on the redacted hardcopy output; and
a data storage, comprising:
a plurality of permission levels corresponding to an authorization to view a sensitive information field, each of the plurality of permission levels associated with a highlight color;
document identification correlating at least one permission level with the document; and
device identification correlating a mobile device with at least one permission level of the document.
19. The system of claim 18, wherein the memory further includes instructions which cause the processor to identify at least one highlighted portion of the image of the original document, wherein the color of the at least one highlighted portion is associated with the determined permission level corresponding to the identified sensitive information field.
20. The system of claim 18, wherein the memory further includes instructions which cause the processor to:
perform linguistic content analysis on text of the original document; and
identify the sensitive information field in accordance with the performed analysis.
21. The system of claim 18, wherein the memory further includes instructions which cause the processor to:
generate a glyph including the encrypted sensitive information field and a corresponding location of the identified sensitive information field on the document; and
render the glyph on the redacted hardcopy of the original document, so as to embed the glyph on the redacted hardcopy output.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An image frowning apparatus comprising:
a plurality of image bearing bodies on each of which a toner image is formed;
a plurality of drive sections for rotating the plurality of image bearing bodies;
a carrying section for carrying a transfer medium; and
a transfer section for superposing each of the toner images farmed on each of the image bearing bodies onto the transfer medium to transfer,
wherein each of the drive sections is coupled with each of the image bearing bodies by a coupling comprising a drive section side coupling portion and an image bearing body side coupling portion which are fanned to be engagable with each other, and a clearance 2\u03b3 provided between a rotary shaft which transmits a torque from each of the drive sections to each of the image bearing bodies and least one of the drive section side coupling portion and the image bearing side coupling portion is larger than a clearance 2\u03b4 provided between a pin which attache, at least one of the drive section side coupling portion and the image bearing side coupling portion to the rotary shaft and side surface of a long hole into which the pin is inserted.
2. An image forming apparatus comprising:
an image bearing body on which a toner image is formed; and
a drive section for rotating the image bearing body,
wherein the drive section is coupled with the Image bearing body by a coupling comprising a drive section side coupling portion and an image bearing body side coupling portion which arc formed to be engagable with each other, and a clearance 2\u03b3 provided between a rotary shaft which transmits a torque from the drive section to the image bearing body and at least one of the drive section side coupling portion and the image bearing side coupling portion is larger than a clearance 2\u03b4 provided between a pin which attaches at least one of the drive section side coupling portion and the image bearing side coupling portion to the rotary shaft and side surfaces of a long hole into which the pin is inserted.
3. The apparatus of claim 2, wherein the pin comes into contact with the side surface of the long hole at two points or more at the same time, when transmitting a torque from the drive section.
4. The apparatus of claim 2, wherein one of the drive section side coupling portion and the image bearing side coupling portion comprises a plurality of convexities extending in an axis direction of the rotary shaft, the other thereof comprise a plurality of concavities with which the plurality of convexities are freely engaged, and the plurality of convexities come into contact with the plurality of concavities at two points or more at the same time, when transmitting a torque from the drive section.
5. The apparatus of claim 4, wherein the plurality of convexities form pawls, and the plurality of concavities form gaps between the pawls.
6. The apparatus of claim 4, wherein at least one contact surface at which one off the convexities contact with one of the concavities is formed in a plane which includes a central axis of the coupling, when transmitting a torque from the drive section.
7. The apparatus of claim 4, wherein a central axis of the coupling is included in an extended surface of at least one contact surface at which one of the convexities contact with one of the concavities, when transmitting a torque from the drive section.
8. The apparatus of claim 2, wherein each of the drive section side coupling portion and the image bearing body side coupling portion comprises a hollow cylindrical portion, and the rotary shaft is inserted through each the hollow cylindrical portion.
9. The image forming apparatus of claim 2,
wherein at least one of a first contact surface of the drive section side coupling portion which contacts with the image bearing body side coupling portion and a second contact surface of the image bearing body side coupling portion which contacts with the drive section side coupling portion is formed in a curved surface.
10. The apparatus of claim 9, wherein one of the first and second contact surfaces is formed in a curved surface, and the other thereof is formed in a flat surface.
11. The apparatus of claim 10, wherein the curved surface comprises a cylindrical surface or a spherical surface.
12. The apparatus of claim 9, further comprising: a plurality of image bearing bodies; a carrying section for carrying a transfer medium to which toner images formed on the image bearing bodies are transferred; and a transfer section for superposing each of the toner images formed on each of the image bearing bodies onto the transfer medium to transfer.
13. An image forming apparatus comprising:
an image bearing body on which a toner image is formed; and
a drive section for rotating the image bearing body,
wherein the drive section is coupled with the image bearing body by a coupling comprising a drive section side coupling portion and an image bearing body side coupling portion which are formed to be engagable with each other, and at least one of a first contact portion of the drive section side coupling portion which contacts with the image bearing body side coupling portion and a second contact portion of the image bearing body side coupling portion which contacts with the drive section side coupling portion has an elasticity.
14. The apparatus of claim 13, wherein the drive section side coupling portion and the image bearing side coupling portion comprise a plurality of first and second contact portions, respectively, and the first and second contact portions contact with one another at two points or more, when transmitting a torque from the drive section.
15. The apparatus of claim 13, wherein the at least one of the first and the second contact portions with an elasticity has a bending flexibility factor of 1.3% to 4% when a bending stress is 40 to 60 Mpa.
16. The apparatus of claim 13, wherein the at least one of the first and the second contact portions with an elasticity comprises a polyacetal.
17. The apparatus of claim 13, further comprising: a plurality of image bearing bodies; a carrying section for carrying a transfer medium to which toner images formed on the image bearing bodies are transferred; and a transfer section for superposing each of the toner images formed on each of the image bearing bodies onto the transfer medium to transfer.
18. The apparatus of claim 13, wherein at least one of the drive section side coupling portion and the image bearing side coupling portion is freely engaged with the rotary shalt for transmitting a torque from the drive section to the image bearing body.
19. The apparatus of claim 13, wherein at least one of the drive section aide coupling portion and the image bearing body side coupling portion comprises a hollow cylindrical portion, an inside of which is formed in a hollow cylindrical shape, the rotary shaft is inserted through the hollow cylindrical portion, one of the drive section side coupling portion and the image bearing side coupling portion comprises a plurality of convexities extending in an axis direction of the rotary shaft, the other thereof comprise a plurality of concavities with which the plurality of convexities are freely engaged, the plurality of convexities come into contact with the plurality of concavities at two points or more at the same time when transmitting a torque from the drive section, and a central axis of the coupling is included in an extended surface of at least one contact surface at which one of the convexities is engaged with one of the concavities.