Source: http://www.google.com/patents/US20020140960?dq=6,205,432
Timestamp: 2017-07-20 23:09:20
Document Index: 490200721

Matched Legal Cases: ['art 11', 'art 16', 'art 11', 'art 11', 'art 16', 'art 16', 'art 16', 'art 11', 'art 16', 'art 11', 'art 16', 'art 11', 'art 16', 'art 16', 'art 16', 'art 11', 'art 11', 'art 11', 'art 11', 'art 11', 'art 16', 'art 16', 'art 16', 'art 16', 'art 16', 'art 16']

Patent US20020140960 - Image processing apparatus - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsAn MFP can transmit image data read by a scanner by attaching it to E-mail. At the time of transmission, the image data input by the scanner and stored in a work memory is converted into mail data so as to be transmitted by E-mail, and the mail data is stored again into the work memory. The mail data...http://www.google.com/patents/US20020140960?utm_source=gb-gplus-sharePatent US20020140960 - Image processing apparatusAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS20020140960 A1Publication typeApplicationApplication numberUS 10/105,340Publication dateOct 3, 2002Filing dateMar 26, 2002Priority dateMar 27, 2001Also published asUS7489416Publication number10105340, 105340, US 2002/0140960 A1, US 2002/140960 A1, US 20020140960 A1, US 20020140960A1, US 2002140960 A1, US 2002140960A1, US-A1-20020140960, US-A1-2002140960, US2002/0140960A1, US2002/140960A1, US20020140960 A1, US20020140960A1, US2002140960 A1, US2002140960A1InventorsAtsushi IshikawaOriginal AssigneeAtsushi IshikawaExport CitationBiBTeX, EndNote, RefManPatent Citations (8), Referenced by (42), Classifications (18), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetImage processing apparatus
DESCRIPTION OF THE PREFERRED EMBODIMENTS [0038] Definition of Terms [0039] The term “unit image” in the specification denotes an image printed as the image of an original in an apparatus having an image printer as a transmission destination of an image, or an image which is input as the image of an original in an apparatus having an image input part as a transmission source of an image. In the specification, “page” is used as the unit. The unit image may be any of compressed image data, non-compressed image data, and image data in a format for E-mail transmission. [0040] Preferred Embodiments of the Invention [0041] Referring to the drawings, preferred embodiments of the invention will be described hereinbelow. [0042] First Embodiment [0043] Network System [0044] [0044]FIG. 1 shows an example of a network system applied to a preferred embodiment of the invention. [0045] As shown in the drawing, a network system 100 has an MFP 1 as an image processing apparatus according to the preferred embodiment of the invention, a mail server 2, and a plurality of workstations 3 each connected to a local area network (hereinbelow, “LAN”) 4. The LAN 4 is also connected to an external network such as the Internet via a router 5. [0046] The mail server 2 provides known services of collection and distribution of E-mail. The workstation 3, MFP 1, and the like connected to the LAN 4 transmit/receive E-mail to/from an external device connected to a network such as the LAN 4 and the Internet via the mail server 2. For example, in the case of transmitting E-mail from the MFP 1, first, E-mail is transmitted to the mail server 2. Further, the E-mail transmitted to the mail server 2 is received by an external device at a transmission destination via a plurality of mail servers as relay servers on the Internet. That is, the MFP 1 performs a connection-less communication which does not involve negotiation and confirmation of delivery with the external device at the transmission destination. [0047] Apparatus Configuration [0048] [0048]FIG. 2 is an external view of the MFP 1. As shown in FIG. 2, the MFP 1 has an operation part 11 for receiving various instructions and inputs of data such as characters and numerical values by the operation of the user, a display 12 for displaying an instruction menu to the user, information regarding an obtained image, and the like, a scanner 13 for photoelectrically reading an image to obtain image data, and a printer 14 for printing an image onto a recording sheet on the basis of the image data. [0049] The MFP 1 also has a feeder 17 for feeding an original to the scanner 13 on the top face of the body of the MFP 1, a paper feeder 18 for supplying a recording sheet to the printer 14 in the lower part, a tray 19 to which the recording sheet on which an image is printed by the printer 14 is ejected in the center part, and a communication part 16 for transmitting/receiving an image or the like to/from an external device via a network on the inside. [0050] The display 12 is used for displaying various information including an instruction menu related to E-mail. The operation part 11 has a plurality of keys 11 a by which various inputs including selection of the instruction menu related to E-mail can be entered. Those components function as main components of the user interface. The user can enter various information by using the operation part 11 while recognizing data displayed on the display 12. [0051] The scanner 13 photoelectrically reads image information such as photograph, character, and picture from an original and converts the image information into electric signals, thereby obtaining the image information as image data in a predetermined format (for example, a bit map format). The image data obtained by the scanner 13 is attached to E-mail and transmitted by the communication part 16 or printed onto a recording sheet by the printer 14. That is, the MFP 1 also functions as a copier. [0052] The printer 14 prints an image onto a recording sheet on the basis of the image data obtained by the scanner 13 or image data received from an external device by the communication part 16. [0053] The communication part 16 transmits/receives facsimile data via a public telephone line and transmits/receives E-mail to/from an external device connected to a network such as a LAN or the Internet via the network. Consequently, the MFP 1 has the function of a facsimile for performing a normal facsimile communication and also the function of a terminal for transmitting/receiving E-mail. [0054] The MFP 1 has therein a controller for controlling the whole apparatus. FIG. 3 is a block diagram showing a schematic configuration of the controller of the MFP 1. A controller 20 of the MFP 1 takes the form of a microcomputer, and has a CPU 21 as the main part, a work memory 22 as a memory such as an RAM from/to which data can be read/written as a work area, a ROM 23 in which a control process program and the like are stored, a timer 24 having a clock function, and a fixed disk 25 for storing various information such as transmission log of E-mail and the like. Those components of the controller 20 are electrically connected to each other via a bus line 29. To the bus line 29 of the controller 20, the operation part 11, display 12, scanner 13, printer 14, communication part 16, and the like are also electrically connected. [0055] The work memory 22 serves as a work area of a computing process of the CPU 21 and also an area in which image data read by the scanner 13 and a file for transmission obtained by converting the image data so as to be transmitted by E-mail. [0056] In the controller 20, by performing a computing process by the CPU 21 in accordance with the control process program stored in the ROM 23, various processes according to inputs from the operation part 11 and a control of the operation of each of the components of the MFP such as the scanner 13 and communication part 16 are executed. The function realized by the control process program includes the various processes related to transmission and reception of E-mail. [0057] The MFP 1 transmits/receives data to/from an external device connected to a network such as a LAN or the Internet by combining a transmission protocol used up to a transport layer called TCP/IP and a communication protocol of a layer upper than the transport layer. For example, at the time of transmitting E-mail, an SMTP protocol is applied as the communication protocol of the upper layer. [0058] [0058]FIG. 4 is a block diagram showing, as a mail transmitter, the function related to transmission of E-mail as one of functions realized by the control process program together with the other configuration. [0059] A mail transmitter 30 manages E-mail to be transmitted in a centralized manner. The mail transmitter 30 generates a transmission box as a table for managing various setting information such as a destination address, image data to be attached, and a transmitter address for each E-mail to be transmitted, and manages E-mail to be transmitted on the basis of the transmission box. The setting information of the transmission box includes information entered by the user through the operation part 11. [0060] On the basis of the transmission box, the mail transmitter 30 controls reading of image data in the scanner 13, performs a process which will be described hereinlater on image data stored in the work memory 22 and, after that, transmits the resultant by E-mail in conformity with the SMTP protocol via the communication part 16. Further, after completion of transmission of E-mail, a transmission log as a transmission record of E-mail is generated and stored into the fixed disk 25. [0061] The mail transmitter 30 has, as shown in FIG. 4, a data converter 31, a data divider 32, and a data deleter 33 each for performing a process on the image data stored in the work memory 22. [0062] The data converter 31 converts image data of a unit image stored in the work memory 22 into a file for transmission of the unit image for the purpose of transmission in E-mail. Since E-mail cannot directly include binary data, image data (bit map data) obtained by the scanner 13 cannot be transmitted as it is by E-mail. Consequently, first, the image data is converted to compressed image data by a compressing process according to an MH encoding method, thereby obtaining compression image data in the TIFF format (hereinbelow, called “TIFF data”) and, further, the TIFF data is converted by an encoding method such as MIME (base64) into MIME encoded data of an ASCII code (hereinbelow, called “ASCII data”). The TIFF data and ASCII data obtained by the conversions are stored into the work memory 22. [0063] [0063]FIG. 5 shows an example of E-mail used at the time of transmitting an image. The E-mail is E-mail of a multi-part MIME format having a plurality of text parts which are a mail header part including predetermined information such as transmission date of the E-mail, destination address, and transmission source address, a text part for carrying text information, and a binary part for carrying image information. In the binary part, MIME encoded data (ASCII data) obtained by converting the image data is disposed. [0064] In the TIFF format, a plurality of unit images can be formed in a file, so that the ASCII data obtained by conversion can be also formed in a file. That is, in the binary part of E-mail, a sequence of ASCII data of a plurality of unit images can be combined and placed as a file for transmission. To each unit image, header information and footer information is added, and the boundary between neighboring unit images can be recognized by the header information and footer information. In the following, the TIFF data and ASCII data will be generically called “mail data”. [0065] In a mail server in the Internet, as described above, the system administrator sets the upper limit value of about 1 Mbyte as the size of data which can be transmitted per E-mail. In order to avoid a rejection of E-mail in a mail server, when the size of E-mail exceeds a predetermined reference data size (1 Mbyte in the example), the data divider 32 divides the E-mail. More concretely, when the size of ASCII data obtained by converting image data to be attached to E-mail is equal to or larger than the predetermined reference data size, the data is divided on the unit basis of the predetermined reference data size into a plurality of divided files. E-mail is divided into files from the head of ASCII data of the sequence every reference data size. The divided files are managed by ID numbers. [0066] To each of the plurality of divided files, the mail header is added by the mail transmitter 30 to thereby obtain a divided mail. The divided mails are sequentially transmitted by the communication part 16. In such a manner, the data size of E-mail can be suppressed. Without being influenced by the limitation of the size of data which can be transmitted per E-mail, which is used in the mail servers positioned in the transmission path of the E-mail, an image can be properly transmitted. [0067] On completion of transmission of divided mails corresponding to a unit image in the communication part 16, the data deleter 33 deletes image data and mail data corresponding to the unit image from the work memory 22. Whether transmission of the divided mails corresponding to the unit image has been completed or not is determined by referring to the transmission box. [0068] [0068]FIG. 6 shows an example of the transmission box. As shown in the diagram, a transmission box SB has a plurality of fields. [0069] In a “No.” field, a peculiar ID number for identifying E-mail transmitted by the MFP 1 is indicated. The number is automatically assigned in accordance with the order of registration of E-mail. [0070] In a “destination address” field, an address as a destination of an E-mail is indicated, which is designated by the operation of the operation part 11 by the user. In the diagram, only one destination address is shown for one E-mail, but a plurality of destination addresses can be designated. [0071] An “image number” field shows page number of each unit image of image data attached. The page number is automatically assigned to each unit image when an image is captured by the scanner 13. [0072] A “divided mail” field indicates the ID number of divided mail and indicates the positions in which the divided mail(s) of the unit image shown in the “image number” field is/are stored. For example, in the drawing, data in the “divided mail” field corresponding to “1” in the “image number” field are “1, 2”. It indicates that the unit image of the first page is divided into the first and second divided mails which are stored. In this case, when transmission of the first and second divided mails is completed, it means that transmission of the unit image of the first page is completed. By referring to the “image number” field and the “divided mail” field, the data deleter 33 determines that the divided mails corresponding to the unit image are transmitted. Data in the “divided mail” field are automatically generated when E-mail is divided by the data divider 32. [0073] The “transmitter” field indicates an E-mail address of the user himself/herself who transmits the E-mail. A “transmitter indication” field indicates whether or not the address of the user himself/herself is to be indicated in the mail header of E-mail transmitted. In the case where the “transmitter indication” is “ON”, the address of the user himself/herself entered by the user via the operation part 11 is indicated in the mail header. In the case where the “transmitter indication” is “OFF”, an address preliminarily assigned to the MFP 1 is indicated in the mail header. [0074] Transmitting Process [0075] A process of transmitting E-mail to which image data is attached performed by the MFP 1 constructed as described above will now be described. FIG. 7 is a flowchart of the E-mail transmitting process. [0076] When E-mail transmission is instructed by operation of the operation part 11 by the user, an input screen of E-mail setting information is displayed on the display 12. The user operates the operation part 11 by referring to the display 12 and enters the address of the destination of E-mail, the user's address, “ON” or “OFF in the “transmitter indication”, and the like (step S1). Based on the information entered at this time, the mail transmitter 30 generates data in the transmission box SB for the E-mail. [0077] Subsequently, a screen for setting information such as a mode of reading an original as image data to be attached to the E-mail is displayed on the display 12 (step S2). In the reading mode setting screen, information such as the size of an original to be read, resolution, color (monochromatic/color), and the like of image data obtained by reading the original is set via the operation part 11. [0078] Subsequently, N (N≧1) originals are set in the feeder 17 by the user. On the basis of the information set in the reading mode setting screen, the originals are read by the scanner 13 under control of the mail transmitter 30 (step S3), and image data is stored into the work memory 22 (step S4). In the preferred embodiment, one original is obtained as image data of a unit image, so that image data of N pages is stored. That is, image data of the unit images of N pages is entered. [0079] Subsequently, the obtained image data is converted into mail data by the data converter 31 (step S5). The image data of N pages is converted to one file made of TIFF data. Further, the file is converted into one file made of ASCII data and the file is stored into the work memory 22. [0080] In the data divider 32, whether the mail data has a predetermined data size or larger is determined (step S6). If “Yes”, the mail data is divided into a plurality of divided files by the data divider 32 (step S7). [0081] [0081]FIG. 8 is a conceptual diagram showing that the obtained image data are converted into mail data and the mail data is divided into divided files. FIG. 8 shows a case, as an example, where image data of three pages are attached to E-mail. As shown in the diagram, image data BD1 to BD3 are converted to TIFF data TD1 to TD3, respectively, and the TIFF data TD1 to TD3 are converted into ASCII data AD1 to AD3, respectively. A file AD constructed by the ASCII data of three pages is further divided into divided files D1 to D4 on the unit basis of predetermined reference data size. [0082] Since the divided files D1 to D4 are obtained by diving data on the unit basis of the reference data size, the file AD is not always divided at the boundaries of unit images. In the example of the drawing, the unit image of the first page is divided into the first divided file D1 and the second divided file D2. The unit image of the second page is divided into the second divided file D2 and the third divided file D3. The unit image of the third page is divided into the third divided file D3 and the fourth divided file D4. That is, the second divided file D2 includes a part of the unit image of the first page and a part of the unit image of the second page. The third divided file D3 includes a part of the unit image of the second page and a part of the unit image of the third page. [0083] Referring again to FIG. 7, in step S8, a mail header is added to each of the generated divided files by the mail transmitter 30, thereby obtaining divided mail. The divided mails are sequentially transmitted from the first divided mail in conformity with the SMTP protocol by the communication part 16. Concretely, the communication part 16 establishes connection with the mail server 2 (refer to FIG. 1). After establishing the connection, one divided mail is started to be transmitted to the mail server 2. After completion of transmission of the divided mail, the MFP 1 receives a transmission completion signal sent from the mail server 2 and confirms that the transmission is completed without a transmission error. When a notification of non-delivery of the divided mail is not transmitted from the mail server 2 after elapse of predetermined time since the transmission of the divided mail is finished from the MFP 1, completion of the transmission may be determined. It is also possible to receive the transmission completion signal after the divided mail from the mail server 2 is transmitted. Not the transmission completion signal from the mail server 2 but a transmission completion signal from a mail server for receiving and relaying the divided mail transmitted from the mail server 2 may be received. [0084] After confirming completion of transmission of one divided mail, the communication part 16 notifies the data deleter 33 of completion of transmission of the divided mail together with the ID number of the divided mail. The data deleter 33 receives the notification, refers to the transmission box SB, and determines whether transmission of the divided mails corresponding to the unit image have been completed or not (step S9). [0085] If transmission of the divided mails corresponding to the unit image have not been completed yet, the program returns to step S8, and the next divided mail is transmitted by the communication part 16. On the other hand, if transmission of the divided mails corresponding to the unit image have been completed, the data deleter 33 deletes the image data and mail data corresponding to the unit image from the work memory 22 (step S10). [0086] Subsequently, whether or not transmission of all of divided mails has been completed is determined by the mail transmitter 30 (step S11). If the transmission of all of the divided mails has not be completed yet, the process returns to step S8 and the next divided mail is transmitted by the communication part 16. [0087] By a similar process, the divided mails are sequentially transmitted. If transmission of a unit image has been completed on completion of transmission of the divided mails, the image data and mail data corresponding to the unit image is deleted, and all of divided mails are transmitted finally. [0088] [0088]FIG. 9 is a conceptual diagram showing that the divided files D1 to D4 shown in FIG. 8 are sequentially transmitted by divided mail. Since transmission of the unit image of the first page has not been completed on completion of transmission of the first divided mail DM1, the image data and the like are not deleted. Since transmission of the unit image of the first page is completed on completion of transmission of the second divided mail DM2, the image data BD1 of the first page and the mail data TD1 and AD1 are deleted. Similarly, on completion of the transmission of the third divided mail DM3, the image data BD2 of the second page and mail data TD2 and AD2 are deleted. On completion of transmission of the fourth divided mail DM4, the image data BD3 of the third page and mail data TD3 and AD3 are deleted. In such a manner, after confirming completion of transmission of a unit image, the image data and mail data corresponding to the unit image are deleted. [0089] Referring again to FIG. 7, in step S12, the mail transmitter 30 associates transmission completion time obtained from the timer 24 with the data in the transmission box SB for the E-mail, stores the resultant as a transmission log into the fixed disk 25, and finishes the E-mail transmitting process. [0090] In step S6, if the data size of the mail data is less than the predetermined reference data size, it is unnecessary to divide the mail data, so that the mail data is transmitted by E-mail by the communication part 16, without being divided (step S13). After completion of transmission of the E-mail, all of the image data and mail data are deleted (step S14), a transmission log is generated (step S12), and the E-mail transmitting process is finished. [0091] The first preferred embodiment has been described above. In the image processing apparatus, after confirming completion of transmission of divided files corresponding to a unit image, the image data and mail data corresponding to the unit image are deleted. Thus, the improved efficiency of use of the work memory 22 can be achieved. Since the image data and mail data are held as a unit image, even when any of divided mails is not delivered, the divided mail can be efficiently re-transmitted. [0092] Second Preferred Embodiment [0093] A second preferred embodiment of the invention will now be described. Although the divided files are not always divided in the borders of unit images in the first preferred embodiment, in the second preferred embodiment, the divided files are positively divided in the borders of the unit images. The configuration of the image processing apparatus in the preferred embodiment is similar to that in any of FIGS. 2 to 4. The flow of the E-mail transmitting process is also similar to that shown in FIG. 7. Since only the E-mail dividing method in the data divider 32 is different, only this part will be described. [0094] The data divider 32 of the second preferred embodiment does not simply divide ASCII data of a plurality of unit images in one file every predetermined reference data size. When a border between unit images exists, the data is always divided in the border. The division is made by confirming the header information and footer information existing in borders of the unit images. [0095] [0095]FIG. 10 is a conceptual diagram showing that the obtained image data are converted to mail data and the mail data is divided into divided files in the second preferred embodiment. In a manner similar to the first preferred embodiment, FIG. 10 shows the case, as an example, where image data of three pages are attached to E-mail. Image data BD1 to BD3 are converted to TIFF data TD1 to TD3, respectively, and the TIFF data TD1 to TD3 are further converted to ASCII data AD1 to AD3, respectively. [0096] The file AD constructed by the plural ASCII data is sequentially divided from the head of the file every predetermined size in a data divider 32. When a border of unit images exists, the file is also divided in the border. In the example of the diagram, the unit image of the first page is divided into the divided files D1 and D2, the unit image of the second page is divided into the divided files D3, D4, and D5, and the unit image of the third page is divided into the divided files D6 and D7. That is, one divided file includes information of only a specific unit image. [0097] The divided files are sequentially transmitted by divided mail in a manner similar to the first preferred embodiment. As described above, by dividing the file in the borders of the unit images, the image data and mail data of a unit image can be promptly deleted, so that the work memory 22 can be used more efficiently. Since the image data and the mail data are held as a unit image, even when any of the divided mails is not delivered, it can be efficiently re-transmitted. [0098] Other Preferred Embodiments [0099] In the foregoing preferred embodiments, at the time of transmission of each of the divided mails, completion of transmission of each unit image is determined by the transmission completion signal sent from the mail server 2. It is also possible to determine completion of transmission of each unit image after elapse of predetermined time since the time when the transmission completion signal is received. [0100] [0100]FIG. 11 is a diagram showing timings of deleting image data and mail data at the time of transmission of the divided mails illustrated in the example of FIG. 10. In FIG. 11, the lateral direction indicates elapse of time. In the foregoing preferred embodiments, completion of transmission of the unit image of the first page is determined at time T1 when transmission to the mail server 2 is finished. At this time point, the image data and mail data are deleted. In the drawing, at time T4 after elapse of predetermined time TW from time T1, the image data and mail data of the first page are deleted. Similarly, the second and third pages are deleted at time T5 and T6 after elapse of the predetermined time TW since the unit images of the second and third pages are transmitted, respectively. [0101] By deleting data after elapse of predetermined time, even when any of the divided mails is not delivered in a network such as the Internet, since image data and mail data are held as a unit image for predetermined time, the image can be re-transmitted more effectively. [0102] Although both the image data and mail data are deleted on completion of transmission of the unit image in the foregoing preferred embodiments, only image data or mail data may be deleted. In such a case as well, the memory can be efficiently assured. [0103] In the foregoing preferred embodiments, image data attached to E-mail is photoelectrically read and obtained. For example, image data received from the outside by E-mail or the like, image data obtained by being transferred by the facsimile function, and the like may be used. [0104] Although an MFP is used as an example of an image processing apparatus which can perform a communication via a network in the preferred embodiments, the invention is not limited to the MFP. The invention can be applied to any image processing apparatus as long as it transmits image information via a network. [0105] While the invention has been shown and described in detail, the foregoing description is in all aspects illustrative and not restrictive. It is therefore understood that numerous modifications and variations can be devised without departing from the scope of the invention. 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ClassificationH04N1/32F1B, H04N1/00C3G2, H04L12/58, H04N1/00C3GLegal EventsDateCodeEventDescriptionMar 26, 2002ASAssignmentOwner name: MINOLTA CO., LTD. OF OSAKA KOKUSAI BUILDING, JAPANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ISHIKAWA, ATSUSHI;REEL/FRAME:012739/0646Effective date: 20020308Dec 31, 2008ASAssignmentOwner name: MINOLTA CO., LTD., JAPANFree format text: CORRECTIVE ASSIGNMENT TO CORRECT THE THE NAME OF THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 012739 FRAME 0646;ASSIGNOR:ISHIKAWA, ATSUSHI;REEL/FRAME:022047/0576Effective date: 20020308Jul 11, 2012FPAYFee paymentYear of fee payment: 4Jul 28, 2016FPAYFee paymentYear of fee payment: 8RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services