JP2009010710A - Image reader - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image reader for executing reading processing that responds to an opened/closed state of a cover while taking user's convenience into consideration. <P>SOLUTION: An image processor A with the image reader B includes an image reading part 2, image forming part 3, storing part 4, operation panel 6 and control part 7 in a cabinet 1. The image reading part 2 reads an original placed on an original platen 12. The image reading part 12 includes a cover opening/closing detecting part 14 for detecting an opened/closed state of an original cover 13. The storing part 4 includes a second management table 63 for performing storage by associating a special operation and special processing. The control part 7 confirms the opened/closed state of the original cover 13 when there is the special operation from the operation panel 6. When the original cover 13 is opened, the special processing associated with the special operation is executed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an image reading apparatus that executes a reading process in response to an open / close state of a cover in response to an operation input.

Conventionally, an image reading apparatus is mounted on an image forming apparatus such as a copying machine, a printer, or a facsimile. The image reading apparatus presses a document placed on a document table with a cover, and then presses a start button to start reading an image.

  By the way, the cover of the image reading apparatus is configured so that it can be freely opened and closed at any time with respect to the document table. For this reason, if scanning is performed with the cover open, or if the closed cover is opened while scanning an image, the document may be misaligned and the image may not be read correctly, or the non-image area may be scanned in black. There is a problem to do.

Therefore, Patent Document 1 discloses that when the open / close detection unit detects the open state of the cover, the image reading process is interrupted to warn the user.
JP 2003-162183 A

  By the way, when the original is thick, such as a bound document or book, the cover is opened so that when copying or scanning, the binding margin table or characters on the facing page is not distorted and read. In some cases, the user presses the document and executes the reading process. In this case, in the image reading apparatus of Patent Document 1, there is a problem that the open / close detection unit detects the open state of the cover and interrupts the image reading process.

  In view of the above, an object of the present invention is to provide an image reading apparatus that executes a reading process in response to an open / closed state of a cover in consideration of user convenience.

  In order to achieve the above object, according to the present invention, there is provided an image reading apparatus including a document table, a reading unit that reads a document placed on the document table, and a cover that can be opened and closed with respect to the document table. An open / close detection unit that detects the open / close state of the cover and a control unit that performs processing according to the open / closed state of the cover when an input of a special operation different from normal is input.

  The control unit has a processing restriction function that permits the reading operation of the reading unit when the cover is in a closed state and prohibits the reading operation of the reading unit when the document cover is in an open state. Therefore, when a special operation having an operation procedure different from the normal operation of the normal operation procedure is input from the input unit, the control unit executes a process according to the open / close state of the cover regardless of the process restriction function. Specifically, when a special operation is input, the control unit recognizes that a process specific to a thick original such as a book or a bound document is performed. Then, the control unit confirms the open / closed state of the cover, and executes a process according to the open / closed state of the cover, for example, a special process different from the normal process when the cover is in the open state. When the cover is closed, normal processing is executed.

  When a special operation is input and the cover is open, the control unit executes a special process different from the normal process. According to this configuration, when a special operation is input, the control unit executes an image reading process when the cover is open. As a result, the reading process can be continued with the cover open.

  When executing the special process, the control unit performs a predetermined correction process on the image after reading the image from the reading unit. As the correction process, for example, a frame erase correction process is performed on the read image. Alternatively, distortion correction processing is performed on the read image.

  According to the above configuration, it is possible to correct a shadow and a distortion of a binding margin portion that are generated when a thick original is scanned or copied, and to simplify operation input.

  When a normal operation is input, the control unit performs normal processing according to the normal operation when the cover is closed, and notifies the user when the cover is open. And

  The control unit confirms the open / closed state of the cover when reading the document placed on the document table. When the cover is in the closed state, the control unit executes processing according to the input operation instruction. When the cover is in the open state, the control unit notifies the user that the cover is in the open state without executing processing according to the operation instruction. Or a control part regulates the process according to an operation instruction, ie, a normal process.

  According to the above configuration, the user is notified of the open state of the cover. As a result, the user can change the cover to the closed state, thereby preventing a problem that the original is displaced and the image cannot be read correctly, or a portion other than the image is read in black. That is, the user can close the cover by notification from the control unit.

  Further, the control unit regulates the reading process. To restrict the process, for example, the execution of the process according to the operation instruction is stopped. Alternatively, the execution of some functions related to the processing is stopped. As a result, as in the case of notification in the open state, it is possible to prevent problems such as the original being displaced and the image not being read correctly, or the part other than the image being read in black.

  The control unit sets a special operation for performing a special process. According to this configuration, the image reading apparatus can register a special operation for performing a special process.

  The image reading apparatus includes a storage unit. The storage unit stores the special operation and the special process in association with each other. For example, when a special operation such as pressing the “scan button” twice is input, a special process for performing a process for simultaneously performing distortion correction processing on the read image is set in association with each other. Accordingly, when a special operation is input, the control unit executes distortion correction processing on the image read simultaneously with the reading processing when the cover is in the open state.

  According to the above configuration, since special processing corresponding to a special operation can be set in advance, setting according to a user's usage status can be performed, and thus user-friendly setting is possible.

  According to the present invention, when there is an input of a special operation different from the normal operation, the control unit recognizes that a thick original is processed. The control unit performs processing according to the open / closed state of the cover, for example, when the cover is open, reads a document image from the reading unit, and then executes predetermined correction processing on the read image. As a result, the control unit can correct the shadow and binding margin distortion that occur when reading the document at the same time as reading, and can simplify the operation for the user.

  An image processing apparatus A provided with the image reading apparatus B of the present embodiment is shown in FIG. An image processing apparatus A according to the present invention is a digital multi-function peripheral that executes processing such as a copy mode, a print mode, a scanner mode, a document filing, and a facsimile mode, and reads an original and inputs image data to the cabinet 1. Unit 2, image forming unit 3 that processes and prints image data, storage unit 4 that stores image data, communication unit 5 that communicates with an external device, operation panel 6 for input operation, and processing unit And a control unit 7 that executes image data processing according to the mode. The processing unit performs processing to output input image data, and includes the image forming unit 3, the storage unit 4, and the communication unit 5.

  The image reading apparatus B reads an image of a document and processes the read image, and includes an image reading unit 2, a storage unit 4, and a control unit 7. That is, the storage unit 4 of the image processing apparatus A also serves as the storage unit of the image reading apparatus B. The control unit 7 of the image processing apparatus A also serves as the control unit of the image reading apparatus B.

  As shown in FIG. 2, the image reading unit 2 includes a scanner unit 10 that is disposed above the cabinet 1 and that reads a document image, and an automatic document transport unit 11. The automatic document transport unit 11 is provided above the scanner unit 10 and automatically transports the document to the scanner unit 10.

  A document table 12 made of platen glass is provided on the upper surface of the cabinet 1, and a document cover 13 that covers the document table 12 is provided. The automatic document feeder 11 is integrally mounted on the document cover 13. The document cover 13 can be freely opened and closed. When the document cover 13 is in a closed state, the document is conveyed by the automatic document conveyance unit 11. When the document cover 13 is open, the document can be placed on the document table 12.

  Opening / closing of the document cover 13 is detected by a cover opening / closing detection unit 14. The cover open / close detection unit 14 includes a micro switch and an optical sensor, and is turned on / off according to the opening / closing of the document cover 13. A document size detection sensor for detecting the size of the document placed on the document table 12 is also provided.

  When a document is set on the document set tray 15 of the automatic document feeder 11, the document detection sensor 16 detects that the document has been set. Then, on the operation panel 6, copy conditions such as the size of the sheet to be printed and the scaling ratio are input. Thereafter, reading of the image of the document is started by an input operation of the start key.

  In the automatic document feeder 11, each document on the document set tray 15 is pulled out one by one by the pickup roller 17. The document passes through between the separating plate 18 and the transport roller 19 and is sent to the document table 12. The document is transported in the sub-scanning direction on the document table 12 and discharged to the document discharge tray 20. The document discharge tray 20 is provided with a document discharge sensor to detect the presence or absence of a document on the document discharge tray 20.

  The scanner unit 10 includes a first reading unit 21 and a second reading unit 22. A reading area is formed on one side of the document table 12 and passes through the reading area when the document is conveyed on the document table 12. Below the reading area, the first scanning unit 23 of the first reading unit 21 is positioned, and the surface (lower side) of the document is read.

  When the document is transported to the document table 12 by the automatic document transport unit 11, the first scanning unit 23 is moved to the reading position and positioned, and the second scanning unit 24 is also positioned at a predetermined position. The surface of the document is irradiated from below the document table 12 by the exposure lamp of the first scanning unit 23. Reflected light from the document is guided to the imaging lens 25 by the respective reflection mirrors of the first and second scanning units 23 and 24. The reflected light of the document is condensed on the CCD 26 by the imaging lens 25. An image on the surface of the document is formed on the CCD 26. As a result, the image on the surface of the conveyed document is read.

  Further, the second reading unit 22 reads the back surface (upper side surface) of the document. The second reading unit 22 is disposed above the document table 12 and has an LED that irradiates the back side of the document, an exposure lamp array having a fluorescent lamp, a self-focal lens array that collects reflected light of the document for each pixel, and a cell. A contact image sensor (CIS) that photoelectrically converts reflected light from a document received through a fock lens array and outputs an analog image signal is provided. As a result, the image on the back side of the conveyed document is read.

  When a document is placed on the document table 12, the first reading unit 21 reads an image on the surface of the document. The first and second scanning units 23 and 24 move in the sub-scanning direction while maintaining a predetermined speed relationship with each other. The document on the document table 12 is exposed by the first scanning unit 23, and reflected light from the document is guided to the imaging lens 25 by the first and second scanning units 23 and 24. An image of the original is formed on the CCD 26 by the imaging lens 25.

  When the image on one or both sides of the document is read in this way, the image data on one or both sides of the document is input to the control unit 7. The control unit 7 includes an image data processing unit, and the image data processing unit performs various types of image processing on the image data. This image data is output to the image forming unit 3.

  As shown in FIG. 2, the image reading unit 2 includes a scanner unit 10 that is disposed above the cabinet 1 and that reads a document image, and an automatic document transport unit 11. The automatic document transport unit 11 is provided above the scanner unit 10 and automatically transports the document to the scanner unit 10.

  A document table 12 made of platen glass is provided on the upper surface of the cabinet 1, and a document cover 13 that covers the document table 12 is provided. The automatic document feeder 11 is integrally mounted on the document cover 13. The document cover 13 can be freely opened and closed. When the document cover 13 is in a closed state, the document is conveyed by the automatic document conveyance unit 11. When the document cover 13 is open, the document can be placed on the document table 12.

  Opening / closing of the document cover 13 is detected by a cover open / close detector 14. The cover open / close detector 14 includes a micro switch and an optical sensor, and is turned on / off according to the opening / closing of the document cover 13. A document size detection sensor for detecting the size of the document placed on the document table 12 is also provided.

  When a document is set on the document set tray 15 of the automatic document feeder 11, the document detection sensor 16 detects that the document has been set. Then, on the operation panel 6, copy conditions such as the size of the sheet to be printed and the scaling ratio are input. Thereafter, reading of the image of the document is started by an input operation of the start key.

  In the automatic document feeder 11, each document on the document set tray 15 is pulled out one by one by the pickup roller 17. The document passes through between the separating plate 18 and the transport roller 19 and is sent to the document table 12. The document is transported in the sub-scanning direction on the document table 12 and discharged to the document discharge tray 20. The document discharge tray 20 is provided with a document discharge sensor to detect the presence or absence of a document on the document discharge tray 20.

  The scanner unit 10 includes a first reading unit 21 and a second reading unit 22. A reading area is formed on one side of the document table 12 and passes through the reading area when the document is conveyed on the document table 12. Below the reading area, the first scanning unit 23 of the first reading unit 21 is positioned, and the surface (lower side) of the document is read.

  When the document is transported to the document table 12 by the automatic document transport unit 11, the first scanning unit 23 is moved to the reading position and positioned, and the second scanning unit 24 is also positioned at a predetermined position. The surface of the document is irradiated from below the document table 12 by the exposure lamp of the first scanning unit 23. Reflected light from the document is guided to the imaging lens 25 by the respective reflection mirrors of the first and second scanning units 23 and 24. The reflected light of the document is condensed on the CCD 26 by the imaging lens 25. An image on the surface of the document is formed on the CCD 26. As a result, the image on the surface of the conveyed document is read.

  Further, the second reading unit 22 reads the back surface (upper side surface) of the document. The second reading unit 22 is disposed above the document table 12 and has an LED that irradiates the back side of the document, an exposure lamp array having a fluorescent lamp, a self-focal lens array that collects reflected light of the document for each pixel, and a cell. A contact image sensor (Contact Image Sensor) that photoelectrically converts reflected light from the document received through the Fock lens array and outputs an analog image signal is provided. As a result, the image on the back side of the conveyed document is read.

  When a document is placed on the document table 12, the first reading unit 21 reads an image on the surface of the document. The first and second scanning units 23 and 24 move in the sub-scanning direction while maintaining a predetermined speed relationship with each other. The document on the document table 12 is exposed by the first scanning unit 23, and reflected light from the document is guided to the imaging lens 25 by the first and second scanning units 23 and 24. An image of the original is formed on the CCD 26 by the imaging lens 25.

  When the image on one or both sides of the document is read in this way, the image data on one or both sides of the document is input to the control unit 7. The control unit 7 includes an image data generation unit 141 and an image data processing unit 146. When the image data is input, the control unit 7 performs various types of image processing on the image data using the image data processing unit 146. For example, correction processing such as distortion correction processing for correcting a binding margin portion or black painting generated when a bound document is read, and frame erasure correction processing are performed. Then, image data for printing is generated by the image data generation unit 141 and output to the image forming unit 3.

  The image forming unit 3 prints a color image or a monochrome image on a recording sheet based on the input image data. The image forming unit 3 includes a laser scanning unit 30, four image stations 31, an intermediate transfer belt unit 32, a fixing device 33, and a conveying device 34.

  Each image station 31 forms a color image corresponding to each color of black, cyan, magenta, and yellow. Each image station 31 includes a photosensitive drum 35, a developing device 36, a charging device 37, a cleaning device 38, and a charge eliminating device (not shown).

  The photosensitive drum 35 is rotationally driven in one direction, the cleaning device 38 cleans the residual toner on the surface of the photosensitive drum 35, and the neutralization device neutralizes the surface of the photosensitive drum 35. The charging device 37 uniformly charges the surface of the photosensitive drum 35.

  The laser scanning unit 30 modulates laser light based on image data input from an image reading unit or the like, and repeatedly scans the surface of the photosensitive drum 35 in the main scanning direction with this laser light, thereby generating an electrostatic latent image. It is formed on the surface of the photosensitive drum 35. The developing device 36 supplies toner to the surface of the photosensitive drum 35 to develop the electrostatic latent image, and forms a toner image on the surface of the photosensitive drum 35.

  The intermediate transfer belt unit 32 includes an intermediate transfer belt 40, an intermediate transfer roller 41, a transfer belt cleaning device 42, and a tension mechanism 43. The intermediate transfer belt 41 is disposed above each photosensitive drum 35, is wound around the driving roller 44 and the driven roller 45, and rotates in the direction of arrow B.

  The intermediate transfer roller 41 is disposed to face the photosensitive drum 35 with the intermediate transfer belt 40 interposed therebetween, and a transfer bias voltage is applied thereto. The toner image on the surface of the photosensitive drum 35 is transferred to the intermediate transfer belt 40 by applying a voltage having a polarity opposite to that of the toner by the intermediate transfer roller 41. The toner images of the respective colors are laminated on the intermediate transfer belt 40, and a combined multi-color toner image is formed.

  The transfer roller 41 is disposed in pressure contact with the intermediate transfer belt 40, and a voltage having a polarity opposite to that of the toner is applied. The toner image on the intermediate transfer belt 40 is transferred onto the sheet conveyed between the transfer roller 46 and the intermediate transfer belt 40 by the transfer roller 46. The toner remaining on the intermediate transfer belt 40 is removed by the transfer belt cleaning device 42.

  The toner image transferred to the sheet is heated and pressurized by the fixing device 33 and fixed on the sheet, and an image is formed on the sheet. The sheet on which the image is printed in this manner is discharged to a discharge tray 50 provided at the top of the cabinet 1.

  The transport device 34 transports the sheet from the sheet cassette 51 or the manual feed tray 52 along the transport path 53. The conveyance path 53 passes between the intermediate transfer belt 40 and the transfer roller 46, passes through the fixing device 33, and reaches the discharge tray 50.

  The transport device 34 includes a pickup roller 54, a transport roller 55, a registration roller 56, and a discharge roller 57. The sheets in the sheet cassette 51 or the manual feed tray 52 are sent one by one to the transport path 53, transported through the transport path 53, and discharged to the discharge tray 50. An image is printed on the sheet during conveyance of the sheet. In addition, a switchback conveyance path 58 is provided for duplex printing. The sheet after fixing passes through the switchback conveyance path 58 by the conveyance roller 55 and is conveyed between the intermediate transfer belt 40 and the transfer roller 46. The sheet printed on both sides passes through the fixing device 33 and is discharged to the discharge tray 50.

  The operation panel 6 is provided in the scanner unit 10 and includes an operation unit 60 and a display unit 61. The operation unit 60 includes various operation keys. The display unit 61 includes a liquid crystal display and is a touch panel. Touch keys are formed in the operation screen displayed on the display unit 61, and these also function as operation keys.

  The communication unit 5 includes a communication interface, and the communication interface is connected to a network such as a LAN or a WAN. A plurality of external devices are connected to the network. The external device is another image processing device A, an information processing device such as a personal computer, or a server. The network is connected to the Internet from a router through a communication line such as a telephone line or an optical fiber. The communication unit 5 can communicate with an external device through a network using a predetermined communication protocol. The image processing apparatuses A can also communicate with each other. Communication within the network may be wired or wireless.

  The communication unit 5 includes a modem device. A telephone line is connected to the modem device. The image processing apparatus A can perform facsimile communication. The image processing apparatus A can also perform data communication by Internet facsimile through a network. Furthermore, the communication unit 5 includes a communication terminal and a communication card for wireless communication. The communication terminal is connected to a storage medium such as a USB memory or an IC card, and the communication unit 5 transmits / receives data to / from the storage medium. In addition, data is transmitted and received by wireless communication with a communication terminal such as a mobile phone or PDA through a communication card.

  The storage unit 4 includes a hard disk device. The storage unit 4 stores image data input from the image reading unit 2 or image data input from the communication unit 5. The input image data is temporarily stored in an image memory such as a DRAM, subjected to image processing and encryption processing, and then transferred from the image memory to the storage unit 4. Further, when image data is read from the storage unit 4, the image data is subjected to image processing and decoding processing and stored in an image memory. Thereafter, the image data is output to the outside by printing, data transmission, and facsimile communication according to the processing to be executed.

  The storage unit 4 has a first management table 62, which is necessary for operating the image processing apparatus A such as control information, setting information, and user authentication information of the image processing apparatus A. Information is stored. When these pieces of information are created and changed, the information in the first management table 62 is updated. The first management table 62 may be provided in a non-volatile memory different from the storage unit 4.

  The control unit 7 includes a microcomputer having a CPU, a ROM, and a RAM. The CPU reads a control program stored in the ROM into the RAM and executes the control program. Each unit operates according to the control program. When image data is input, one of the print mode, copy mode, scanner mode, and facsimile mode is selected based on the processing conditions included in the input information from the operation unit 60 and the header information of the image data input from the external device. Mode is executed. In addition, the control program includes a browser and mail software, and the control unit 7 performs data communication with an external device or transmits / receives e-mail using a communication protocol such as TCP / IP protocol.

  The control unit 7 temporarily stores the input image data in the storage unit 4 when performing each mode. Further, the control unit 7 executes a filing mode in which the input image data is stored in the storage unit 4 and managed. The stored image data is re-output according to the instructed process.

  The output image data is erased from the storage unit 4 according to an instruction from the control unit 7. At the time of this erasure, the image data is invalidated so that it cannot be restored by overwriting the image data with random data. A security kit is mounted on the image processing apparatus A in order to perform the invalidation process, and further the encryption process and the decryption process. By operating the security kit according to an instruction from the control unit 7, unauthorized use of image data can be prevented.

  By the way, when a thick document such as a book or a bound document is placed on the document table 12 and subjected to a reading process, the binding margin table or characters on the facing page is prevented from being distorted and read. In addition, the user presses the document and executes the reading process. That is, the document cover 13 is opened and the reading process is executed. In this case, the control unit 7 prohibits the reading process of the image reading unit 2 by the processing restriction function that prohibits the reading operation of the reading unit.

  Therefore, the image processing apparatus A has a function of executing a reading process even when the document cover 13 is open, regardless of the process restriction function of the control unit 7 when the user inputs a special operation from the operation panel 6. Prepare.

  The control unit 7 includes a cover open / close determination unit 142, a display data generation unit 143, an operation input determination unit 144, and a document readability determination unit 145. The cover open / close determination unit 142 determines whether or not the document cover 13 is in an open state based on the detection result of the cover open / close detection unit 14.

  The operation input determination unit 144 determines the operation content input from the operation panel 6. Specifically, the storage unit 4 includes a second management table 63, and the second management table 63 includes an operation procedure for special operations that are input by an operation procedure different from a normal operation as shown in FIG. The special processing corresponding to the input special operation is stored in association with each other.

  Special operations and special processing can be set in advance. The user inputs special operations and special processes. The control unit 7 stores the input special operation and special process in the second management table 63 and stores them in the recording unit 4. The control unit 7 updates the information in the second management table 63 when the special operation and the special process are created or changed. Note that the second management table 63 may be provided in a non-volatile memory different from the storage unit 4.

  Here, the special operation refers to, for example, a button for selecting a process to be executed and a button for selecting a number, that is, pressing two types of buttons at the same time, or a button for selecting a process to be executed twice in succession. An operation input such as pressing.

  Special processing is processing performed based on a special operation. That is, the special process is a process specific to a thick document based on a special operation input and the input special operation. For example, image correction processing such as distortion correction processing for correcting distortion of a spread page table or characters at the time of reading, or frame erase correction processing for correcting blackening of a binding margin portion. Note that the distortion correction processing is disclosed in detail in JP-A-2002-16780. The frame erase correction process is the same as the conventional process.

  The normal process is a process performed based on a normal operation. That is, the normal processing is processing that does not perform special image processing except for image processing set for an image. For example, when executing a mode such as scan, copy, or FAX, the opening / closing of the document cover 13 is confirmed. When the document cover 13 is closed, the document placed on the document table 12 is read and left as it is. This is a process of giving a warning to the user when the image data is converted and the document cover 13 is open.

  The operation input determination unit 144 reads the second management table 63 from the storage unit 4 when input is made from the operation panel 6. Then, the operation input determination unit 144 collates whether there is a special operation that matches the operation input input from the read second management table 63, and if it matches, determines the operation content as a special operation and does not match. In this case, the operation content is determined as a normal operation.

  Document readability determination unit 145 determines whether or not to read a document placed on document table 12 based on the determination results of cover open / close determination unit 142 and operation input determination unit 144. For example, when it is determined that the operation input by the operation input determination unit 144 is a special operation, when the cover opening / closing determination unit 142 determines that the document cover 13 is in the open state, when the image is read, Then, correction processing associated with the input special operation is performed. When it is determined that the document cover 13 is closed, normal processing that does not perform special image processing, for example, copy processing or scanning processing, is performed except for image processing set for the image.

  When it is determined that the operation input by the operation input determination unit 144 is a normal operation, the processing is restricted when the cover opening / closing determination unit 142 determines that the document cover 13 is in the open state. For example, the input operation is stopped. Alternatively, a special reading process such as color reading or continuous reading is regulated to perform the process. When it is determined that the document cover 13 is closed, normal processing is performed.

  The display data generation unit 143 generates screen data to be displayed on the display unit 61 of the operation panel 6. For example, the warning display data 143a of the warning screen for warning the user that the document cover 13 is in the open state is generated. Moreover, the result display data of the result screen displayed when the special process is completed as shown in FIG. 4 is generated.

  Next, the reading operation of the document placed on the document table will be described with reference to FIGS. For convenience of explanation, the mode to be selected is the scanner mode.

  First, the user places a document on the document table 12 and operates the operation keys to select a desired process (S1). When the start key is operated, the control unit 7 compares the special operation of the second management table 63 of the storage unit 4 to determine whether or not the input is based on a predetermined operation procedure (S2).

  For example, when determining that the operation is a special operation in which the “scan button” is pressed twice in succession, the control unit 7 determines the open / close state of the document cover 13 from the detection result of the cover open / close detection unit 14 (S3). If the document cover 13 is open, the control unit 7 causes the image reading unit 2 to start a reading operation (S4). At this time, as shown in FIG. 7, the control unit 4 executes a process associated with the determined special operation.

  Since the input special operation is pressing the “scan button” twice in succession, the control unit 7 causes the image reading unit 2 to start scanning (S20). The image reading unit 2 executes processing based on an instruction from the control unit 7. When the image is read by the document reading unit 2, the control unit 7 executes distortion correction processing and frame erasure correction processing on the read image as shown in FIG. 7 (S21). The control unit 7 outputs the corrected image to the storage unit 4. And the control part 7 produces | generates the result display data of the display screen which shows a result as shown in FIG. Based on the result display data, the control unit 7 displays a display screen indicating the result on the display unit 61 (S22), and enters a standby state until the next operation input is performed.

  When it is determined that the document cover 13 is closed (S3), the control unit 7 causes the image reading unit 2 to start a reading operation (S5). At this time, the control unit 4 does not execute the process associated with the determined special operation, but causes the document reading unit 2 to execute the normal process, that is, the input scan mode. The control unit 7 outputs the read image to the storage unit 4. Then, after the processing is completed, the control unit 7 displays the result on the display unit 61 and enters a standby state.

  When it is determined that the input operation is a normal operation (S2), the control unit 7 confirms whether the selected mode is the scan mode (S6). When a mode other than the scan mode is selected, the selected mode is executed (S7). Then, after the processing is completed, the control unit 7 displays the result on the display unit 61 and enters a standby state.

  When the scan mode is selected (S6), the control unit 7 determines the open / close state of the document cover 13 from the detection result of the cover open / close detection unit 14 (S8). When determining that the document cover 13 is in the closed state, the control unit 7 causes the image reading unit 2 to start a reading operation (S11). The control unit 7 outputs the read image to the storage unit 4. Then, after the processing is completed, the control unit 7 displays the result on the display unit 61 and enters a standby state.

  When it is determined that the document cover 13 is in the open state (S8), the control unit 7 displays a warning screen on the display unit 61 based on the warning display data 143a to notify the user that the document cover 13 is in the open state. (S9). Then, the control unit 7 confirms from the detection result of the cover open / close detection unit 14 whether the document cover 13 is closed (S10). If it is determined that the document cover 13 is closed, the control unit 7 causes the image reading unit 2 to start a reading operation (S11). The control unit 7 outputs the read image to the storage unit 4. Then, after the processing is completed, the control unit 7 displays the result on the display unit 61 and enters a standby state.

  The control part 7 confirms whether a fixed time has passed since the notification (S12). If the predetermined time has not elapsed, the control unit 7 confirms again whether the document cover 13 has been bound (S10). This confirmation is repeated until a predetermined time elapses. When the document cover 13 is not closed for a predetermined time or longer, the control unit 7 stops the input operation (S13), makes the display unit 61 display an initial display, and waits. It becomes a state.

  With the above configuration, the image processing apparatus A can execute a process desired by the user by a special operation. Originally, even if the process is restricted, the process is executed, so that convenience for the user is improved.

  In addition, this invention is not limited to the said embodiment, Of course, many corrections and changes can be added to the said embodiment within the scope of the present invention.

  In the present embodiment, the image processing apparatus including the image reading apparatus has been described. However, the present invention is not limited to this, and the image reading apparatus alone may be used. Further, the control unit and the storage unit of the image reading apparatus according to the present embodiment use the control unit and the storage unit of the image processing apparatus, but may include a control unit and a storage unit dedicated to the image reading apparatus.

  In this embodiment, when the normal process is executed, if the document cover is in an open state, a warning is given to the user, and the process is stopped when a certain period of time elapses without the document cover being closed. Not as long. For example, even if the document cover is not closed after a lapse of time after the warning, the document placed on the document table is read and the subsequent processing is stopped. Alternatively, when the normal process is executed, if the document cover is open, the process is stopped as it is.

  In the present embodiment, the correction process after the special process reads the image has been described. However, the present invention is not limited to this. For example, when a special operation is input, the control unit may perform print processing such as page-up printing or enlargement / reduction printing when printing the read image on a recording sheet. Alternatively, a correction process may be performed on the read image and a print process such as page-up printing or enlargement / reduction printing may be performed.

  Although the original is a thick original, it may be a bound original and a thin original.

  The open / close state of the document cover may be determined by determining an open / close angle by a distance sensor, an encoder, or the like. In this case, the control unit can detect the thickness of the document from the angle of the document cover, and can execute a special process according to the thickness. For example, when a special operation is input, the control unit confirms the opening / closing angle of the document cover. The control unit determines the thickness of the document placed on the document table from the confirmed angle. And a control part performs special processing according to thickness. When it is determined that the thickness is thick, a frame erase correction process and a distortion correction process are executed. When it is determined that the thickness is small, a frame erase correction process is executed.

Block diagram of an image processing apparatus according to the present invention Overall view of image processing device Figure showing the management table The figure which shows the completion indication when processing is completed The figure which shows the flowchart of the operation procedure The figure which shows the flowchart of the operation procedure of normal processing The figure which shows the flowchart of the operation procedure of special processing

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cabinet 2 Image reading part 3 Image formation part 4 Memory | storage part 5 Communication part 6 Operation panel 7 Control part 12 Document stand 13 Document cover 14 Cover opening / closing detector 60 Operation part 61 Display part 62 1st management table 63 2nd management table 141 Image data generation unit 142 Cover open / close determination unit 143 Display data generation unit 143a Warning display data 144 Operation input determination unit 145 Document reading determination unit 146 Image data processing unit A Image processing device B Image reading device

Claims (8)

An image reading apparatus comprising: a document table; a reading unit that reads a document placed on the document table; and a cover that can be opened and closed with respect to the document table;
An image reading apparatus comprising: an open / close detection unit that detects an open / closed state of the cover; and a control unit that performs processing according to the open / closed state of the cover when an input of a special operation different from normal is input. apparatus. The image reading apparatus according to claim 1, wherein when a special operation is input, the control unit executes a special process different from the normal process when the cover is open. The image reading apparatus according to claim 2, wherein when executing the special process, the control unit executes a predetermined correction process on the image after reading the image from the reading unit. The image reading apparatus according to claim 3, wherein the control unit performs a frame erase correction process on the read image. The image reading apparatus according to claim 3, wherein the control unit performs distortion correction processing on the read image. The image reading apparatus according to claim 1, wherein when a special operation is input, the control unit executes normal processing when the cover is closed. When a normal operation is input, the control unit executes normal processing according to the normal operation when the cover is closed, and regulates the normal processing when the cover is open. The image reading apparatus according to claim 1. Special operations and special processing can be set in advance,
The image reading apparatus according to claim 1, wherein the control unit stores the special operation and the special process in association with each other.

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