JP2005202611A - Display control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display control device enabling even a user unfamiliar with electronic equipment having many functions to easily determine which site of the whole part of a magnified and displayed area corresponds to and further easily magnify and display an intended operation area. <P>SOLUTION: This display control device comprises a touch panel type setting operation part 90 having a plurality of operation keys laid out with characters or patterns on a display screen and configured to perform a predetermined input processing for an operated key. A magnification display means magnifying and displaying a part of the setting operation part 90 and a guide display means contracting the whole screen of the setting operation part 90 at the time of operation of the magnification display means, and displaying a guide screen B enabling determination of a magnification display part A are provided on the display screen. A predetermined area including a designated point inputted by pressing of the guide screen displayed by the guide display means is magnified and displayed. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention includes a touch panel type setting operation unit in which a plurality of operation keys are partitioned and arranged together with characters or figures on a display screen, and a display control device configured to perform predetermined input processing for the operated keys About.

  In recent years, the functions of OA devices such as copying machines and facsimile machines have become more sophisticated and complex, and in view of the physical difficulty of arranging many operation keys corresponding to such complicated functions in a limited operation panel area. The operation panel is provided with a liquid crystal display device, a CRT display device, etc., and a plurality of keys for input are displayed on the display screen, and an operator touches a finger or the like on the displayed portion of the key on the screen. Accordingly, a display control device including a touch panel type setting operation unit controlled to input the key is used.

Further, in the above-described conventional display control device, display means for displaying screen information including characters, graphics, and images is displayed on the display means so that it can be easily operated by an operator with low vision such as an elderly person. Storage means for storing screen information, instruction means for instructing enlarged display of screen information displayed on the display means, and screen information for enlarging and developing screen information in the storage means by determining an instruction state of enlargement display by this instruction means Enlarging means, scroll instruction means for instructing to scroll the screen information enlarged on the display means by the screen information enlarging means, and controlling expansion of the enlarged screen information to the storage means according to the scroll instruction of the scroll instruction means A display control apparatus having a scroll control means has been proposed.
JP-A-6-59647

  Although the above-mentioned liquid crystal display device has a larger screen and higher pixel definition and improved visibility, it requires more operation keys for many functions and is more complicated. For this reason, it is not possible to operate immediately after a part of the screen is enlarged, but it is necessary to search for a target area while scrolling the enlarged screen using the scroll instruction means, and the scroll operation is complicated. was there. In addition, there is a problem that it takes time to perform the scroll operation because it is unclear which direction the operation target area can be displayed in when scrolling.

  The object of the present invention has been made in view of the above-described problems, and is not limited to OA devices, and is enlarged and displayed even for users who are not familiar with electronic devices equipped with many functions. It is an object of the present invention to provide a display control device that can easily determine which part of a region corresponds to the entire region, and can easily enlarge and display a target operation region.

  In order to achieve the above-described object, the first characteristic configuration of the display control device according to the present invention is that, as described in claim 1 of the document of the claims, a plurality of operation keys are displayed together with characters or figures on the display screen. A display control device including a touch panel type setting operation unit arranged in a partition and configured to perform predetermined input processing for an operated key, and a part of the setting operation unit on the display screen Magnifying display means for magnifying and displaying the guidance display means for reducing the whole screen of the setting operation unit and displaying a guidance screen for distinguishing the enlarged display part when the magnifying display means is operated. .

  According to the above-described configuration, since the entire layout of the setting operation unit can be determined by looking at the guide screen displayed by the guide display means, it is possible to determine which area is enlarged and displayed. The positioning of the entire setting operation unit enlarged and displayed by the means can be easily grasped and can be operated without hesitation.

  In the second feature configuration, as described in claim 2 of the same column, in addition to the first feature configuration described above, the enlarged display means is pressed against the guide screen displayed by the guide display means. The predetermined area including the designated point is enlarged and displayed.

  According to the above-described configuration, if the area to be enlarged and displayed is pressed with a finger or the like by visually checking the guidance screen, the predetermined area including the point is enlarged and displayed with the pressing operation point as the designated point. The operation area can be enlarged and displayed very easily and quickly.

  The third feature configuration is that, in addition to the second feature configuration described above, the predetermined area is a fixed area centered on the designated point, as described in claim 3 of the same column.

  By setting the predetermined area to be enlarged and displayed in the setting operation unit as a constant area having the designated point as the center position, the designated area is surely included in the enlarged display area.

  In the fourth feature configuration, as described in claim 4 of the same column, in addition to the second feature configuration described above, the setting operation unit is divided into regions in units of functions, and the predetermined region includes the designated point. This is a division area of functional units.

  According to the above-described configuration, the predetermined area to be enlarged and displayed in the setting operation unit is a divided area of the functional unit including the designated point, so that the designated point is slightly displaced from the center position of the display target area. Even if it exists, the functional block of the target operation object can be displayed reliably.

  In the fifth feature configuration, in addition to the first to fourth feature configurations, the guidance display means can change and set the display position or display size of the guidance screen as described in claim 5 of the same column. It is in the point which is comprised.

  According to the above-described configuration, the display position of the guidance screen can be changed, so that the position can be easily changed when it becomes an obstacle to the operation on the enlarged screen, and the display size can be changed. If the operator can enlarge the display to some extent so that weak operators can recognize the guidance screen, and the operator does not have much trouble with visual acuity, it is possible to avoid the obstacle to the operation on the enlarged screen by reducing the guidance screen. Because it is possible, usability is further improved.

  As described above, according to the present invention, even an unfamiliar user with respect to an electronic device equipped with many functions can easily determine which part of the entire displayed area corresponds to the enlarged display area. In addition, a display control device capable of easily enlarging and displaying a target operation area can be provided.

  An embodiment when the display control apparatus according to the present invention is mounted on a color copying machine will be described below. As shown in FIG. 5, the color copying machine 1 includes a plurality of process control units such as a scanner unit 2, an image processing unit 3, an LSU 4, an image forming unit 5, a sheet feeding / conveying unit 6, a fixing unit 7, and a DF unit 8. It is prepared for.

  The DF unit 8 conveys a plurality of documents 80 placed on the document tray 81 one by one to a document reading position by the scanner unit 2, and discharges the document that has been read to a paper discharge tray 82.

  The scanner unit 2 sends light reflected by the original to the CCD image sensor 21 via an RGB filter, where it is converted into an electrical signal. The image processing unit 3 is a part that processes the signal from the CCD image sensor 21 into image data subjected to A / D conversion, shading correction, color tone correction, and other image processing. The LSU 4 converts the image data of the image processing 3 into laser light and irradiates the photosensitive drum 51.

  The image forming unit 5 includes a photosensitive drum 51, a main charging unit 52, a developing unit 53, a transfer belt 54, a cleaning unit 55, a recycled toner replenishing unit 56, and a charge eliminating lamp 57. In particular, the developing unit 53 is a cyan developer. 531, a magenta developing unit 532, a yellow developing unit 533, a black developing unit 534, and a recycling developing unit 535. The main charger 52 stretches a thin tungsten wire of 50 to 100 μm in the longitudinal direction of the photosensitive drum 51 in a shield case opened toward the photosensitive drum 51, and applies a high voltage of about +5 KV to the photosensitive drum 51. The body drum 51 is positively charged. The LSU 4 irradiates the charged surface of the photosensitive drum 51 with a laser beam corresponding to image information, whereby an electrostatic latent image is formed on the surface of the photosensitive drum 51. A toner image is formed by applying the bias voltage of the developing roller and the potential of the surface of the photosensitive drum to the toner charged in the developing unit 53 and positively charged in the portion of the photosensitive drum 51 irradiated with the laser. Is transferred onto the surface of the transfer belt 54. The toner that has not been transferred onto the photosensitive drum 51 is scraped off by the rubber blade 551 of the cleaning means 55 in the next process, and is neutralized by the neutralizing lamp 57 so as to keep the residual potential on the surface uniform. Prepare for the next series of processes.

  In the color image output mode, the above-described operation is performed for each of cyan, magenta, yellow, and black, and the toner image is superimposed on the transfer belt 54, and the toner image is transferred onto a sheet by the secondary transfer units (541a, 541b). .

  In the monochrome image output mode, the cyan developing unit 531, the magenta developing unit 532, and the yellow developing unit 533 are not operated, and only the black developing unit 534 is used. When requested, only the recycle developing unit is used for output. .

  The paper feeding / conveying means 6 comprises paper feeding cassettes 611 and 612, paper feeding rollers 621 and 622, a vertical conveying path 63, a pair of registration rollers 64a and 64b, and a conveying belt 65. The paper feeding cassettes 611 and 612 have a paper stacking plate on which a plurality of papers are stacked. The paper stacking plate is a spring or a top motor of the paper stacked by a lift motor or the like. The roller 621, 622 is urged to come into contact. The registration roller pairs 64a and 64b stop the paper at one end in order to synchronize the transfer timing of the conveyed paper and the toner image on the photosensitive drum 51 of the image forming unit 5 and to adjust the leading edge of the paper. It has a role of transporting paper to the image forming means 5. The conveying belt 65 conveys the sheet on which the unfixed toner is transferred to the fixing unit 7. The necessary number of conveying rollers in each conveying path is laid out as needed.

  The fixing unit 7 includes a first heat roller 71, a first heater 711 inside the first heat roller 71, a second heat roller 72, a second heater 721 inside the heat roller 72, a pair of fixing discharge rollers 73a and 73b, and the like. . The heat roller pairs 71 and 72 are made of aluminum or the like having good thermal conductivity and coated with fluorine. The two heaters 711 and 721 are built in and controlled to a predetermined temperature required for fixing. The first heat roller 71 faces the second heat roller 72 and contacts with an appropriate pressure, and is driven by driving means (not shown). The heat roller pair 71, 72 is made of an aluminum roller having a good thermal conductivity, and its periphery is covered with an elastic layer in order to secure a fixing nip width. Although not shown, each roller is provided with a claw member for peeling the paper, a roller for cleaning, and a web.

  The display control device 9 of the color image forming apparatus is arranged on the front side of the scanner unit 2, and as shown in FIG. 1, a plurality of operation keys are partitioned and arranged together with characters or figures on the display screen at the center. A color liquid crystal display unit 90 as a touch panel type setting operation unit is provided, and a basic control key group for copying operations such as a numeric input key 91 for setting the number of copies, a start key 92, a clear / stop key 93 is arranged on the right side thereof. On the left side of the screen 90, an operation mode such as a copy mode for outputting an image read from a document on paper, a printer mode for printing output data from a computer or the like connected to a network on paper, and a scanner mode for reading document information And a mode switching unit 94 for displaying the selected mode with an LED are arranged at the top of the screen 90. Mode setting key 95 are respectively located.

  As shown in FIG. 3, the control circuit block of the display control device 9 executes input / output control for the operation unit and is set for a control CPU (not shown) provided in the above-described process control unit. An operation unit control CPU 911 for transmitting the selected mode, a ROM 912 storing an execution program by the operation unit control CPU 911, a RAM 913 used as a working area, a VRAM 914 storing display data for the setting operation unit 90, An input / output circuit 915 and a liquid crystal driver circuit 916 that drives the setting operation unit 90 based on display data stored in the VRAM 914 are connected via an internal bus. The input / output circuit 915 includes an LED display driver circuit 917, AD conversion circuit 918 for detecting the pressing position of the transparent electrode sheet described later, It is configured to include a like key matrix input circuit 919 for receiving a key input.

  Returning to FIG. 1, the setting operation unit 90 is configured by a touch panel type liquid crystal display device as described above, and the upper part of the screen is configured as a message display area 901 such as “Can copy”, and below that is a mode setting key. The mode setting key area 902 includes a basic mode setting tab 903 for setting basic conditions for copying operations such as a magnification, a paper size, and an exposure level, and a user that can be individually set and registered by a user. A function tab 904, an operation mode of the color copying machine, a function list tab 905 that can be set, a color function tab 906 for setting a color mode, various setting tab areas of a program tab 907, and various setting modes Function registration key 908 capable of individually registering and an enlarged table for enlarging and displaying a part of the setting operation unit 90 With such key 909 is displayed, the site that is pressed is configured to be detected by pressing the transparent electrode sheet provided on the screen surface. Accordingly, for example, a paper size selection key is constituted by the paper size selection portion displayed on the basic mode setting tab 903 and the transparent electrode sheet corresponding thereto.

  The various functions installed in the color copier can be set by selecting a necessary tab from the above-mentioned tabs, and by selecting a plurality of operation keys corresponding to each function in the selected tab. Or it is displayed in a compartmented arrangement with graphics.

  Various modes are set by the operation unit control CPU 911 executing the control program stored in the ROM 912 described above, and the set modes are transmitted to a control CPU (not shown) provided in the process control unit. Thus, the desired operation as a color copying machine is executed.

  The operation unit control CPU 911 that executes such a control program and its peripheral circuits, an enlarged display unit that enlarges and displays a part of the setting operation unit 90 on the display screen, and the setting operation when the enlarged display unit is operated. A guidance display means for reducing the entire screen of the unit 90 and displaying a guidance screen B that can be identified by the enlarged display unit A is configured. The enlarged display means is configured to enlarge and display a predetermined area including a designated point pressed and inputted to the guidance screen displayed by the guidance display means, and the designated point is set as a center position as the predetermined area. A certain area is extracted.

  Hereinafter, the display operation by the enlarged display means and the guidance display means will be described based on the flowchart shown in FIG. When the enlarged display key 909 shown in FIG. 1 is turned on, it is determined by checking a flag stored in the RAM 913 at the on edge whether the current display mode is the enlarged display mode or the normal display mode (S1, S8). If it is the enlarged display mode, the flag is switched to the normal display mode (S10), and if it is the normal display mode, the flag is switched to the enlarged display mode (S9).

  If the enlargement display key 909 is not on edge (S1), it is determined based on the flag state whether or not the enlargement display mode is set (S2). If it is in the normal display mode, the data in the VRAM 914 is rewritten and displayed so that the entire screen as shown in FIG. 2A is displayed on the setting operation unit 90 (S7). In the enlarged display mode, the display area of the setting operation unit 90 is a predetermined area around the specified point, or a predetermined area around the point specified by the default value when the specified point is not selected, for example, the mode shown in FIG. The data in the VRAM 914 is rewritten so that the area for setting the copy magnification and image density in the setting key area 902 is enlarged (S3), and the reduced screen (FIG. 2A) can be grasped as a whole. The data in the VRAM 914 is rewritten and displayed so that the guidance screen also overlaps with the lower right of the enlarged display area in step S3 (S4). The state of the setting operation unit 90 displayed in this way is shown in FIG.

  As shown in FIG. 2 (b), the guidance screen B has a display color different from the shaded display and other parts in the area corresponding to the enlarged screen A so that the relative position of the enlarged screen A can be visually confirmed. It is displayed.

  In this state, when an arbitrary position on the guidance screen B is designated by the operator (the position where the pressed down point is designated with a finger or the like) (S5), the designated point is stored (S6), and in step S3, the designated point is stored. An area that can be displayed at a predetermined magnification set for the enlarged display with the designated point as the center is selected as a new enlarged display area and is enlarged and displayed (S6).

  That is, the enlarged display means is configured by hardware and software configured by the operation control CPU 911 and its peripheral circuits that execute the above-described steps S3, S5, and S6, and is configured by the operation control CPU 911 and its peripheral circuits that execute step S4. The guidance display means is constituted by hardware and software.

  Since it is configured in this way, if you look at the guidance screen displayed by the guidance display means, you can determine the overall layout of the setting operation unit, and it can also determine which area is enlarged and displayed. The position of the entire setting operation unit enlarged and displayed by the enlargement display means can be easily grasped and can be operated without hesitation. Even an operator with low vision can visually display and enlarge the guidance screen. When a power area is pressed with a finger or the like, a predetermined area including the point is enlarged and displayed with the pressing operation point as a designated point, and the target operation area can be enlarged and displayed extremely easily and quickly.

  Hereinafter, another embodiment of the present invention will be described. In the above-described embodiment, the area that can be displayed at the predetermined magnification set for the enlarged display with the designated point as the center is selected and displayed as the new enlarged display area. A predetermined area which is divided into areas by functional units and enlarged and displayed may be divided into functional areas including designated points. For example, when any position in the magnification setting area shown in FIG. 1 is designated, only the magnification setting area is enlarged, or only the paper selection area where any position in the paper selection area is designated is enlarged. As described above, the area to be enlarged and displayed in advance may be defined in function units.

  In the above-described embodiment, the display of the enlarged display without changing the setting state of the setting keys and characters or graphics in the setting operation unit 90 in the normal mode has been described. However, the setting operation unit 90 is divided into regions by function unit and enlarged. In the case where the predetermined area to be displayed is configured to be a functional unit divided area including the designated point, it may be displayed with different setting keys, characters, etc. on the enlarged display screen. . This is more effective when the operability is improved than when the display screen in the normal mode is enlarged and displayed as it is.

  You may provide a display position control means and a display size control means so that the display position and display size of the guidance screen B mentioned above can be set and changed suitably. For example, by configuring the display position control means for recognizing the base point and the end point and controlling the guide screen to move correspondingly by moving it on the panel while pressing the upper left corner of the guide screen with a finger. The display magnification is changed so that it is displayed in the rectangular area specified by the diagonal line from the upper left coordinate to the end point coordinate of the guide screen by moving on the panel while pressing the lower right of the guide screen with the finger in the same manner. For example, display size control means is provided. In addition, in the user function tab shown in FIG. 1, setting keys for setting and inputting the setting magnification of the enlarged screen, the reduction magnification of the guidance screen, and the display position of the guidance screen are provided so that the operator can set in advance. It may be a thing.

  Any of the above-described embodiments is merely an example, and the arrangement of the setting keys of the setting operation unit and the functions that can be set are not limited to these, and an enlarged display unit, a guidance display unit, a display position control unit, The specific configuration of the display size control means and the like is not particularly limited as long as the effects of the present invention are exhibited.

Illustration of display control device Explanatory drawing of the main part of the setting operation unit Explanatory drawing of control circuit of display control device flowchart Operational diagram of the copier

Explanation of symbols

9: Display control device 90: Setting operation section 901: Message display area 902: Mode setting key area A: Enlarged display section B: Guide screen

Claims (5)

A display control apparatus comprising a touch panel type setting operation unit in which a plurality of operation keys are partitioned and arranged together with characters or figures on a display screen, and configured to perform predetermined input processing for the operated keys,
An enlarged display means for enlarging and displaying a part of the setting operation section on the display screen, and a guide for reducing the entire screen of the setting operation section and determining the enlarged display portion when the enlarged display means is operated. A display control device comprising guidance display means for displaying a screen. The display control apparatus according to claim 1, wherein the enlarged display means enlarges and displays a predetermined area including a designated point pressed and inputted to the guidance screen displayed by the guidance display means. The display control apparatus according to claim 2, wherein the predetermined area is a fixed area having the designated point as a center position. The display control apparatus according to claim 2, wherein the setting operation unit is divided into areas by function unit, and the predetermined area is a divided unit of function unit including the designated point. The display control device according to claim 1, wherein the guide display unit is configured to be able to change and set a display position or a display size of the guide screen.

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