WO2014192204A1 - 表示装置及び画像形成装置 - Google Patents
表示装置及び画像形成装置 Download PDFInfo
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- WO2014192204A1 WO2014192204A1 PCT/JP2014/001478 JP2014001478W WO2014192204A1 WO 2014192204 A1 WO2014192204 A1 WO 2014192204A1 JP 2014001478 W JP2014001478 W JP 2014001478W WO 2014192204 A1 WO2014192204 A1 WO 2014192204A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0444—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single conductive element covering the whole sensing surface, e.g. by sensing the electrical current flowing at the corners
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/04817—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04842—Selection of displayed objects or displayed text elements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00352—Input means
- H04N1/00392—Other manual input means, e.g. digitisers or writing tablets
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04101—2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
Definitions
- the present invention relates to a display device having a touch panel function and an image forming apparatus including the same.
- a display device having a touch panel function has a configuration in which a transparent touch panel unit is mounted on a display unit, and displays a screen including a predetermined image to be pressed on the display unit, such as a fingertip or a dedicated pen.
- Such display devices are mounted on electronic devices such as multifunction peripherals, smart phones, car navigation systems, and game machines.
- electronic devices such as multifunction peripherals, smart phones, car navigation systems, and game machines.
- the size of the display unit is small. For this reason, when a large number of icons are displayed on the display unit, the size of the icon is reduced, so that an icon different from the icon to be pressed may be pressed (mistouch).
- JP 2006-236143 A JP-A-8-16353
- An object of the present invention is to prevent mistouch in a display device having a touch panel function.
- the display device that achieves the above object has a touched panel surface, displays a touch panel unit that detects a touched position on the panel surface, and displays a predetermined image that is pressed through the panel surface. And a direction defining a coordinate plane on the panel surface is a first direction and a second direction, a direction perpendicular to the panel surface is a third direction, and is within a predetermined distance from the panel surface A coordinate measuring unit that measures coordinates in the first direction, coordinates in the second direction, and coordinates in the third direction indicating the position of the object according to a change in the position of the object, and the coordinate measuring unit When the coordinates in the first direction, the coordinates in the second direction, and the coordinates in the third direction are measured, a periphery of a position defined by the coordinates in the first direction and the coordinates in the second direction is defined.
- the first landmark to do Is displayed on the display unit together with the predetermined image, and the first landmark image is reduced so that the region defined by the first landmark image becomes
- the first direction coordinates, the second direction coordinates, and the second direction coordinates indicating the position of the object Measure coordinates in three directions. Then, the first landmark image that defines the periphery of the position determined by the coordinates in the first direction and the coordinates in the second direction is displayed on the display unit together with a predetermined image (for example, an icon) to be pressed. The first landmark image is displayed on the display unit so that the region defined by the first landmark image becomes smaller as the coordinate in the third direction becomes smaller, that is, as the object approaches the panel surface.
- a predetermined image for example, an icon
- the area defined by the first landmark image is kept in a state where it overlaps the predetermined image to be pressed, and the object is brought close to the panel surface to touch the panel surface, Mistouch can be prevented.
- FIG. 2 is a block diagram illustrating a configuration of the image forming apparatus illustrated in FIG. 1. It is a block diagram which shows the structure of the display apparatus which concerns on 1st Embodiment. It is a side view of the touchscreen type display part with which the display apparatus which concerns on 1st Embodiment is equipped. It is a schematic diagram which shows the state which looked at the object from the upper side of the touchscreen type display part, when measuring the distance to the object above the panel surface. It is a schematic diagram which shows the state which looked at the object from the side surface side of the touchscreen type display part, when measuring the distance to the object above the panel surface.
- a plan view of a quadrangular pyramid with the object position, the position of the first distance sensor, the position of the second distance sensor, the position of the third distance sensor, and the position of the fourth distance sensor as apexes. is there. It is the expanded view which expand
- FIG. 5 is an explanatory diagram for explaining a state in which the distance to a relatively large object above the panel surface is measured by each of the first to fourth distance measuring sensors.
- FIG. 6 is a three-dimensional plan view defined by the positions of first to fourth distance measuring sensors and object positions P1, P2, P3, and P4.
- 4 is a flowchart (first half) illustrating the operation of the display device according to the first embodiment.
- 3 is a flowchart (second half) illustrating the operation of the display device according to the first embodiment. It is a top view of the touchscreen display part which shows the state as which the other example of the 1st mark image was displayed on the display part when the distance of an object and the panel surface is long.
- 2nd Embodiment when the distance of an object and a panel surface is long, it is a schematic diagram which shows the state which looked at the touchscreen type display part from upper direction.
- 2nd Embodiment when the distance of an object and the panel surface is long, it is a schematic diagram which shows the state which looked at the touchscreen type display part from the side.
- 2nd Embodiment when the distance of an object and the panel surface is short, it is a schematic diagram which shows the state which looked at the touchscreen type display part from upper direction.
- 2nd Embodiment when the distance of an object and the panel surface is short, it is a schematic diagram which shows the state which looked at the touchscreen type display part from the side.
- FIG. 1 is an explanatory diagram illustrating an outline of an internal structure of an image forming apparatus 1 including a display device according to the present embodiment.
- the image forming apparatus 1 can be applied to, for example, a digital multifunction machine having functions of a copy, a printer, a scanner, and a facsimile.
- the image forming apparatus 1 is disposed on the apparatus main body 100, an original reading unit 200 disposed on the apparatus main body 100, an original feeding unit 300 disposed on the original reading unit 200, and an upper front surface of the apparatus main body 100.
- An operation unit 400 is provided.
- the document feeding unit 300 functions as an automatic document feeding device, and can send a plurality of documents placed on the document placing unit 301 so that the document reading unit 200 can continuously read the documents.
- the document reading unit 200 includes a carriage 201 on which an exposure lamp or the like is mounted, a document table 203 made of a transparent member such as glass, a CCD (Charge Coupled Device) sensor (not shown), and a document reading slit 205.
- a CCD Charge Coupled Device
- the CCD sensor When reading a document placed on the document table 203, the document is read by the CCD sensor while moving the carriage 201 in the longitudinal direction of the document table 203.
- the carriage 201 is moved to a position facing the document reading slit 205, and the document fed from the document feeding unit 300 is scanned. Reading is performed by the CCD sensor through the reading slit 205.
- the CCD sensor outputs the read original as image data.
- the apparatus main body 100 includes a paper storage unit 101, an image forming unit 103, and a fixing unit 105.
- the sheet storage unit 101 is disposed at the lowermost part of the apparatus main body 100 and includes a sheet tray 107 that can store a bundle of sheets. In the bundle of sheets stored in the sheet tray 107, the uppermost sheet is sent out toward the sheet conveyance path 111 by driving the pickup roller 109. The sheet is conveyed to the image forming unit 103 through the sheet conveyance path 111.
- the image forming unit 103 forms a toner image on the conveyed paper.
- the image forming unit 103 includes a photosensitive drum 113, an exposure unit 115, a developing unit 117, and a transfer unit 119.
- the exposure unit 115 generates modulated light corresponding to image data (image data output from the document reading unit 200, image data transmitted from a personal computer, image data received by facsimile, etc.), and is uniformly charged. Irradiate to the peripheral surface of the photosensitive drum 113. As a result, an electrostatic latent image corresponding to the image data is formed on the peripheral surface of the photosensitive drum 113.
- toner is supplied to the peripheral surface of the photosensitive drum 113 from the developing unit 117, so that a toner image corresponding to the image data is formed on the peripheral surface.
- This toner image is transferred by the transfer unit 119 to the sheet conveyed from the sheet storage unit 101 described above.
- the sheet on which the toner image is transferred is sent to the fixing unit 105.
- the fixing unit 105 heat and pressure are applied to the toner image and the paper, and the toner image is fixed to the paper.
- the paper is discharged to the stack tray 121 or the paper discharge tray 123.
- the operation unit 400 includes an operation key unit 401 and a touch panel type display unit 403.
- the touch panel display unit 403 has a touch panel function, and displays a screen including soft keys and the like. The user performs settings necessary for executing a function such as copying by operating a soft key or the like while viewing the screen.
- the operation key unit 401 is provided with operation keys including hard keys. Specifically, a start key 405, a numeric keypad 407, a stop key 409, a reset key 411, a function switching key 413 for switching between copy, printer, scanner, and facsimile are provided.
- the start key 405 is a key for starting operations such as copying and facsimile transmission.
- a numeric keypad 407 is a key for inputting numbers such as the number of copies and a facsimile number.
- a stop key 409 is a key for stopping a copy operation or the like halfway.
- the reset key 411 is a key for returning the set contents to the initial setting state.
- the function switching key 413 includes a copy key and a transmission key, and is a key for switching between a copy function and a transmission function.
- an initial copy screen is displayed on the display unit 403.
- an initial screen for facsimile transmission and mail transmission is displayed on the display unit 403.
- FIG. 2 is a block diagram showing a configuration of the image forming apparatus 1 shown in FIG.
- the image forming apparatus 1 has a configuration in which an apparatus main body 100, a document reading unit 200, a document feeding unit 300, an operation unit 400, a control unit 500, and a communication unit 600 are connected to each other by a bus. Since the apparatus main body 100, the document reading unit 200, the document feeding unit 300, and the operation unit 400 have already been described, description thereof will be omitted.
- the control unit 500 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an image memory, and the like.
- the CPU executes control necessary for operating the image forming apparatus 1 for the above-described components of the image forming apparatus 1 such as the apparatus main body 100.
- the ROM stores software necessary for controlling the operation of the image forming apparatus 1.
- the RAM is used for temporary storage of data generated during execution of software, storage of application software, and the like.
- the image memory temporarily stores image data (image data output from the document reading unit 200, image data transmitted from a personal computer, image data received by facsimile, etc.).
- the communication unit 600 includes a facsimile communication unit 601 and a network I / F unit 603.
- the facsimile communication unit 601 includes an NCU (Network Control Unit) for controlling connection of a telephone line with a destination facsimile and a modulation / demodulation circuit for modulating / demodulating a signal for facsimile communication.
- the facsimile communication unit 601 is connected to the telephone line 605.
- the network I / F unit 603 is connected to a LAN (Local Area Network) 607.
- a network I / F unit 603 is a communication interface circuit for executing communication with a terminal device such as a personal computer connected to the LAN 607.
- FIG. 3 is a block diagram illustrating a configuration of the display device 3 according to the first embodiment.
- the display device 3 includes a touch panel display unit 403, a coordinate measurement unit 43, a display control unit 45, and a screen data storage unit 47.
- the touch panel display unit 403 is shown in a plan view.
- FIG. 4 is a side view of the touch panel display unit 403.
- the touch panel type display unit 403 includes a display unit 49 and a touch panel unit 51 disposed on the display unit 49.
- the touch panel unit 51 is a device that has a panel surface 55 to which an object such as a fingertip is touched and detects a touched position on the panel surface 55. Examples of the object touched on the panel surface 55 include a fingertip and a dedicated pen. As a method of the touch panel unit 51, there are various methods such as a resistance film method and a capacitance method.
- Display unit 49 displays a screen including a predetermined image.
- the predetermined image is an image pressed through the panel surface 55 by an object such as a fingertip. Examples of the predetermined image include icons, soft keys used for inputting numbers, and the like.
- the display unit 49 is realized by a liquid crystal display or a plasma display.
- the screen data storage unit 47 stores in advance data indicating a screen displayed on the display unit 49, data indicating a predetermined image included in the screen, and data indicating a first landmark image included in the screen. ing.
- the first mark image will be described later.
- the display control unit 45 reads the data from the screen data storage unit 47 and controls the display unit 49 to display a screen including a predetermined image or a screen including the predetermined image and the first landmark image.
- the coordinate measuring unit 43 includes a coordinate calculating unit 53 and first to fourth distance measuring sensors S1, S2, S3, S4 arranged at the four corners of the touch panel display unit 403.
- the directions defining the coordinate plane on the panel surface 55 are the first direction and the second direction, and the direction perpendicular to the panel surface 55 is the third direction.
- the first direction will be described as the x-axis direction, the second direction as the y-axis direction, and the third direction as the z-axis direction.
- the coordinate measuring unit 43 measures the position of an object such as a fingertip above the panel surface 55 according to a change in the position of the object when the distance between the object and the panel surface 55 is a predetermined value or less. .
- the coordinate measuring unit 43 measures the position of the object by measuring the x coordinate, the y coordinate, and the z coordinate indicating the position of the object.
- 5A and 5B show the distance to the object F above the panel surface 55 as the first distance sensor S1, the second distance sensor S2, the third distance sensor S3, and the fourth distance sensor. It is a schematic diagram explaining the state currently measured by each distance measuring sensor S4.
- 5A shows a state in which the object F is viewed from the upper side of the touch panel type display unit 403, and
- FIG. 5B shows a state in which the object F is viewed from the side surface side of the touch panel type display unit 403.
- the object F is a fingertip.
- the object position P which is the position of the object F above the panel surface 55, can be measured using the first to fourth ranging sensors S1, S2, S3, S4 will be described.
- FIG. 6 shows the object position P, the position of the first distance measuring sensor S1, the position of the second distance measuring sensor S2, the position of the third distance measuring sensor S3, and the position of the fourth distance measuring sensor S4. It is a top view of the quadrangular pyramid Q made into a vertex. The position of the first distance measuring sensor S1 is the origin.
- the x coordinate of the object position P is x1, and the y coordinate is y1.
- the distance from the position of the first distance measuring sensor S1 to the object position P measured using the first distance measuring sensor S1 is shown as side a.
- the distance from the position of the second distance measuring sensor S2 to the object position P, measured using the second distance measuring sensor S2, is shown as side b.
- a distance from the position of the third distance measuring sensor S3 to the object position P, measured using the third distance measuring sensor S3, is shown as a side c.
- the distance from the position of the fourth distance sensor S4 to the object position P, measured using the fourth distance sensor S4, is shown as side d.
- the four triangular side surfaces of the quadrangular pyramid Q are designated as triangle I, triangle II, triangle III, and triangle IV.
- the triangle I is a triangle having apexes at the object position P, the position of the first distance measuring sensor S1, and the position of the second distance measuring sensor S2.
- the three sides of the triangle I are side e that connects side a, side b, the position of the first distance measuring sensor S1, and the position of the second distance measuring sensor S2.
- An angle defined by the side a and the side e is an angle ⁇ ae.
- Triangle II is a triangle whose apexes are the object position P, the position of the second distance measuring sensor S2, and the position of the third distance measuring sensor S3. Three sides of the triangle II are side f connecting side b, side c, the position of the second distance measuring sensor S2, and the position of the third distance measuring sensor S3. An angle defined by the side b and the side f is an angle ⁇ fb.
- Triangle III is a triangle whose apexes are the object position P, the position of the third distance measuring sensor S3, and the position of the fourth distance measuring sensor S4.
- the three sides of the triangle III are side g connecting side c, side d, the position of the third distance measuring sensor S3 and the position of the fourth distance measuring sensor S4.
- the triangle IV is a triangle having apexes at the object position P, the position of the fourth distance measuring sensor S4, and the position of the first distance measuring sensor S1.
- the three sides of the triangle IV are side h that connects side d, side a, the position of the fourth distance sensor S4, and the position of the first distance sensor S1.
- FIG. 7 is a development view in which the quadrangular pyramid Q is developed.
- Side a of triangle I is indicated by side a I and side b is indicated by side b I.
- the side b of the triangle II is indicated by side b II and the side c is indicated by side c II .
- the side c of the triangle III is indicated by side c III and the side d is indicated by side d III .
- Side d of triangle IV is indicated by side d IV
- side a is indicated by side a IV .
- FIG. 8 is a plan view of the triangle I cut out from the development shown in FIG. A position where the x coordinate is x1 on the side e is defined as a position A. A side connecting the position of the first distance measuring sensor S1 and the position A is a side j.
- FIG. 9 is a plan view of a triangle II cut out from the development shown in FIG. A position where the y coordinate is y1 in the side f is defined as a position D. A side connecting the position of the second distance measuring sensor S2 and the position D is set as a side r.
- the length of the side r, in other words, y1 which is the value of the y coordinate of the object position P is b II ⁇ cos ⁇ fb.
- the y coordinate y1 of the object position P is obtained using the triangle II.
- the y coordinate y1 of the object position P can also be obtained using the triangle I shown in FIG. Therefore, the x and y coordinates of the object position P can be obtained using the triangle I, the x and y coordinates of the object position P can be obtained using the triangle II, and the object position P can be obtained using the triangle III.
- X and y coordinates of the object position P can be obtained using the triangle IV.
- FIG. 10 is a three-dimensional view of the cut out quadrangular pyramid q.
- the coordinates of the object position P are (x1, y1, z1).
- triangle V is a triangle having the object position P, the position of the first distance measuring sensor S1, and the position A as vertices, and is a part of the triangle I shown in FIG.
- the coordinates of the position A are (x1, 0, 0).
- the three sides of the triangle V are side a, side j, and side i connecting the object position P and position A.
- Triangle VI is a triangle having apexes at object position P, position A, and position B.
- the coordinates of the position B are (x1, y1, 0).
- the three sides of the triangle VI are side i, side l, and side k connecting the object position P and position B.
- Triangle VII is a triangle having the object position P, position B, and position C as vertices.
- the position C is on the side h shown in FIG.
- the coordinates of the position C are (0, y1, 0).
- Three sides of the triangle VII are a side k, a side m connecting the object position P and the position C, and a side n connecting the position B and the position C.
- Triangle VIII is a triangle whose apexes are the object position P, position C, and the position of the first distance measuring sensor S1, and is a part of the triangle IV shown in FIG. Three sides of the triangle VIII are sides o connecting the side m, side a, and position C to the position of the first distance measuring sensor S1.
- the distance to the object F is measured using the first to fourth distance measuring sensors S1, S2, S3, and S4 shown in FIG. 5, and the object position is determined based on these distances. Since the x coordinate, y coordinate, and z coordinate of P can be obtained, the object position P can be measured.
- 11A and 11B are schematic diagrams for explaining the first landmark image 61 displayed on the display unit 49 when the distance between the object F and the panel surface 55 is long.
- 12A and 12B are schematic diagrams for explaining the first landmark image 61 displayed on the display unit 49 when the distance between the object F and the panel surface 55 is short.
- 11A and 12A show a state where the touch panel display unit 403 is viewed from above
- FIGS. 11B and 12B show a state where the touch panel display unit 403 is viewed from the side.
- the display unit 49 displays a first landmark image 61 and a plurality of predetermined images 63 (for example, icons).
- the first landmark image 61 is a dotted double circle image.
- the image is not limited to the dotted line image, but may be a solid line image, and is not limited to the double circle image, and may be a single circle image.
- the coordinate measurement unit 43 performs the x-coordinate, y-coordinate indicating the object position P for the object F above the panel surface 55, Measure the z coordinate.
- the display control unit 45 adds the first landmark image 61 in addition to the plurality of predetermined images 63. Is displayed on the display unit 49.
- the first mark image 61 is centered on a position determined by the x coordinate and y coordinate of the object position P, and defines the periphery of the position.
- the display control unit 45 gradually increases the region defined by the first mark image 61.
- the first landmark image 61 is displayed on the display unit 49 so as to be smaller (linearly).
- the display control unit 45 sets the first region 61 so that the region defined by the first landmark image 61 is minimized. 1 is displayed on the display unit 49.
- the display control unit 45 performs the first operation.
- the first mark image 61 is displayed on the display unit 49 so that the area defined by the mark image 61 is gradually reduced.
- the display control unit 45 is displayed.
- the first landmark image 61 is displayed on the display unit 49 so that the area defined by the first landmark image 61 gradually increases.
- the display control unit 45 does not display the first landmark image 61 on the display unit 49 in the case of a relatively large object F (for example, a palm).
- a relatively large object F for example, a palm.
- FIG. 13 is an explanatory diagram for explaining a state in which the distance to the relatively large object F above the panel surface 55 is measured by each of the first to fourth distance measuring sensors S1, S2, S3, and S4. It is.
- the object F here indicates a hand.
- the first to fourth ranging sensors S1, S2, S3 and S4 measure the shortest distance to the object F.
- the position of the object F measured using the first distance measuring sensor S1 is the object position P1
- the position of the object F measured using the second distance measuring sensor S2 is the object position P2
- the third distance measuring sensor S3 is The position of the object F measured using the object position P3 is defined as an object position P3
- the position of the object F measured using the fourth distance measuring sensor S4 is defined as an object position P4.
- FIG. 14 shows a three-dimensional plan view defined by the positions of the first to fourth ranging sensors S1, S2, S3, S4 and the object positions P1, P2, P3, P4.
- the object position is not fixed at one point. Therefore, since the distance between the object F and the panel surface 55 is not fixed to one, the display control unit 45 does not display the first landmark image 61 on the display unit 49.
- Whether to display the first landmark image 61 according to the size of the object F can be determined as follows.
- the x-coordinate x1 and the y-coordinate y1 of the object position P can be obtained using the triangle I shown in FIG. 6, and the x-coordinate x1 and the y-coordinate y1 of the object position P can be obtained using the triangle II.
- the x-coordinate x1 and y-coordinate y1 of the object position P can be obtained using the triangle III, and the x-coordinate x1 and y-coordinate y1 of the object position P can be obtained using the triangle IV.
- the coordinate calculation unit 53 stores in advance an expression for obtaining the x coordinate x1 of the object position P and an expression for obtaining the y coordinate y1 using the triangle II.
- the coordinate calculation unit 53 stores in advance a formula for obtaining the x coordinate x1 of the object position P and a formula for obtaining the y coordinate y1 using the triangle III.
- the coordinate calculation unit 53 stores in advance an expression for obtaining the x coordinate x1 of the object position P and an expression for obtaining the y coordinate y1 using the triangle IV.
- the coordinate calculation unit 53 sets the distances measured by the first to fourth distance measuring sensors S1, S2, S3, and S4 as sides a, b, c, and d, and sets the object position P as a vertex.
- the x coordinate x1 and the y coordinate y1 of the object position P are calculated using each of the four triangles I, II, III, and IV.
- the object position P is determined as one point when the condition to be met (matching condition) is satisfied.
- the coordinate calculation unit 53 stores a formula for obtaining the z coordinate z1 of the object position P in advance. If the coordinate calculation unit 53 determines that the matching condition is satisfied, the coordinate calculation unit 53 calculates the z coordinate z1 using an expression for obtaining the z coordinate z1 of the object position P. The coordinate calculation unit 53 sends the data of the x coordinate x1, the y coordinate y1, and the z coordinate z1 of the object position P to the display control unit 45. The display control unit 45 causes the display unit 49 to display the first landmark image 61 based on the data.
- the coordinate calculation unit 53 does not calculate the z coordinate z1 of the object position P if it does not determine that the matching condition is satisfied. Since the data of the x coordinate x1, the y coordinate y1, and the z coordinate z1 of the object position P are not sent to the display control unit 45, the display control unit 45 does not display the first landmark image 61 on the display unit 49. .
- the x and y coordinates of the object position P are calculated as described above.
- the coordinate calculation unit 53 calculates the z-coordinate when the x-coordinates all match and the y-coordinates all match, and does not calculate the z-coordinate when the matching conditions are not satisfied.
- FIG. 15 and 16 are flowcharts for explaining the operation. A description will be given from a state in which the display of the screen is turned off on the display unit 49.
- the predetermined image 63 will be described using an icon as an example.
- the display control unit 45 controls the display unit 49 to turn off the screen display when a predetermined condition is met (step S1).
- step S2 If the object F is not detected by any of the first to fourth ranging sensors S1, S2, S3, S4 (No in step S2), the process returns to step S1.
- the display control unit 45 displays a plurality of predetermined images shown in FIG. 11A.
- a screen including 63 is displayed on the display unit 49 (step S3). At this time, the first landmark image 61 is not displayed.
- step S4 determines whether or not the object position P is determined as one point. If it is not determined that the object position P is fixed at one point (No in step S4), the display control unit 45 does not display the first landmark image 61 on the display unit 49 (step S5). Then, the process returns to step S3.
- the coordinate measuring unit 43 determines whether the distance between the object position P and the panel surface 55 is equal to or less than a predetermined distance (for example, 10 cm) ( Step S6).
- step S6 If the distance between the object position P and the panel surface 55 is not determined to be equal to or smaller than the predetermined distance (No in step S6), the display control unit 45 does not display the first landmark image 61 on the display unit 49 (step S5).
- the display control unit 45 displays the first landmark image 61 as a plurality of predetermined images as shown in FIG. 11A. 63 and displayed on the display unit 49 (step S7).
- the coordinate measuring unit 43 determines whether or not the object position P has changed (step S8). If the object position P does not change (No in step S8), step S8 is repeated.
- step S8 the coordinate measuring unit 43 determines whether or not the distance between the object position P and the panel surface 55 has decreased (step S9).
- the display control unit 45 When it is determined that the distance between the object position P and the panel surface 55 has been shortened (Yes in step S9), the display control unit 45 has an area defined by the first landmark image 61 as shown in FIG. 12A. The first landmark image 61 is displayed on the display unit 49 so as to be smaller (step S10).
- step S11 When the touch panel unit 51 does not detect that the object F has touched the panel surface 55 (No in step S11), the process returns to step S8.
- the display control unit 45 switches the screen of the display unit 49 to a predetermined screen (step S12). Specifically, when the panel surface 55 is touched, a screen for executing the function of the predetermined image 63 (icon) pressed through the panel surface 55 is displayed on the display unit 49. That is, the display control unit 45 causes the display unit 49 to display a first screen including a plurality of predetermined images 63 in display control. When the touch panel unit 51 detects that the object F touches the panel surface 55 on any one of the plurality of predetermined images 63, the display control unit 45 causes the display unit 49 to display the display control unit 45 in the display control. The screen is switched from the first screen to the second screen assigned to the predetermined image 63 below the panel surface 55 touched by the object F.
- step S9 When the coordinate measuring unit 43 determines that the distance between the object position P and the panel surface 55 has increased (No in step S9), the display control unit 45 increases the area defined by the first landmark image 61. In this way, the first landmark image 61 is displayed on the display unit 49 (step S13). Then, the process returns to step S8.
- the object position P is indicated according to the change in the position of the object F (for example, a fingertip) within a predetermined distance from the panel surface 55.
- the x coordinate, y coordinate, and z coordinate are measured.
- the first landmark image 61 that defines the periphery of the position determined by the x coordinate and the y coordinate is displayed on the display unit 49 together with the predetermined image 63 to be pressed.
- the z-coordinate decreases, that is, as the object F approaches the panel surface 55, as shown in FIGS. 12A and 12B, the first region is defined so that the region defined by the first landmark image 61 decreases.
- the mark image 61 is displayed on the display unit 49.
- the area defined by the first mark image 61 is kept in a state where it overlaps with the predetermined image 63 to be pressed, and the object F is brought close to the panel surface 55 to make the panel By touching the surface 55, mistouch can be prevented.
- the touch panel display unit 403 has a structure in which a transparent touch panel unit 51 that detects the touched position of the panel surface 55 is placed on the display unit 49. Yes. Since the touch panel unit 51 exists between the display unit 49 and the object F such as the fingertip, the distance between the object F such as the fingertip and the predetermined image 63 is different from the distance between the object F such as the fingertip and the panel surface 55. . In the touch panel type display unit 403, the panel surface 55 of the touch panel unit 51 is touched while viewing the predetermined image 63, so it is difficult to understand when the object F such as a fingertip touches the panel surface 55.
- the display device 3 As described above, as the object F such as a fingertip approaches the panel surface 55, the area defined by the first landmark image 61 is reduced. One mark image 61 is displayed on the display unit 49. Therefore, by looking at the first mark image 61, it is possible to visually recognize the sense of distance between the object F such as a fingertip and the panel surface 55.
- the first embodiment further has the following effects.
- the display control unit 45 when the screen including the predetermined image 63 is turned off on the display unit 49 and the object F is detected by the first to fourth ranging sensors S1, S2, S3, S4, A screen including the image 63 is displayed on the display unit 49 (steps S1, S2, S3).
- the first to fourth ranging sensors S1, S2, S3 are used as switches for returning the screen display from the screen display off state to the screen display state in the display unit 49.
- S4 is used. Therefore, according to the first embodiment, the display unit 49 can be returned to the screen display state from the screen display disappeared without newly providing a proximity sensor.
- the first landmark image 61 is not limited to a double circle image, but may be any image that can define the periphery of the position determined by the x coordinate and the y coordinate of the object position P.
- the first mark image 61 there are four triangular images located in four directions defined by the x coordinate and the y coordinate.
- FIG. 17 is a plan view of the touch panel display unit 403 showing a state in which another example of the first mark image 65 is displayed on the display unit 49 when the distance between the object F and the panel surface 55 is long.
- FIG. 18 is a plan view of the touch panel type display unit 403 showing a state in which another example of the first mark image 65 is displayed on the display unit 49 when the distance between the object F and the panel surface 55 is short.
- the first landmark image 65 is composed of four triangular images 65a, 65b, 65c, and 65d.
- a triangular image 65a and a triangular image 65b are arranged along the y-axis direction.
- a triangular image 65c and a triangular image 65d are arranged along the x-axis direction.
- the intersection of the line connecting the vertex of the triangular image 65a and the vertex of the triangular image 65b and the line connecting the vertex of the triangular image 65c and the vertex of the triangular image 65d becomes the x coordinate x1 and the y coordinate y1 of the object position P. .
- a second landmark image is displayed on the display unit 49 in addition to the first landmark image 61.
- 19A and 19B are schematic diagrams for explaining the first landmark image 61 and the second landmark image 67 displayed on the display unit 49 when the distance between the object F and the panel surface 55 is long.
- 20A and 20B are schematic diagrams for explaining the first mark image 61 and the second mark image 67 displayed on the display unit 49 when the distance between the object F and the panel surface 55 is short.
- 19A and 20A show a state where the touch panel type display unit 403 is viewed from above
- FIGS. 19B and 20B show a state where the touch panel type display unit 403 is viewed from the side.
- the display unit 49 displays a screen including a first landmark image 61, a second landmark image 67, and a plurality of predetermined images 63. This screen is displayed on the display unit 49 by the display control unit 45 shown in FIG.
- the first landmark image 61 and the plurality of predetermined images 63 are the same as the first landmark image 61 and the plurality of predetermined images 63 shown in FIGS. 11A and 12A.
- the second mark image 67 is an image indicating a position determined by the x coordinate x1 and the y coordinate y1 of the object position P.
- the second landmark image 67 is composed of a line image 67a indicating the x axis (one line image extending in the first direction) and a line image 67b indicating the y axis (one line image extending in the second direction). Is done.
- the data of the second landmark image 67 is stored in advance in the screen data storage unit 47 shown in FIG.
- the display control section 45 causes the display section 49 to display the second landmark image 67 together with the first landmark image 61.
- the display device 3 according to the second embodiment has the following effects in addition to the effects of the display device 3 according to the first embodiment.
- the region defined by the first mark image 61 is larger than when the distance is short, so the position of the object F on the panel surface 55 is It ’s hard to tell if it ’s up.
- the second mark image 67 indicating the position defined by the x coordinate x1 and the y coordinate y1 is displayed together with the first mark image 61 and the predetermined image 63, the object F and the panel surface are displayed. Even when the distance to the panel 55 is long, it can be seen where the object F is on the panel surface 55.
- the second mark image there is a point image indicating a position defined by the x coordinate and the y coordinate.
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Abstract
Description
Claims (18)
- タッチされるパネル表面を有し、前記パネル表面のタッチされた位置を検出するタッチパネル部と、
前記パネル表面を介して押下される所定画像を表示する表示部と、
前記パネル表面上の座標平面を規定する方向を第1方向及び第2方向とし、前記パネル表面に対して垂直な方向を第3方向とし、前記パネル表面から所定距離内にある物体の位置の変化に応じて、前記物体の位置を示す前記第1方向の座標、前記第2方向の座標、及び、前記第3方向の座標を測定する座標測定部と、
前記座標測定部によって前記第1方向の座標、前記第2方向の座標、及び、前記第3方向の座標が測定されたとき、前記第1方向の座標と前記第2方向の座標とで定められる位置の周囲を規定する第1の目印画像を、前記所定画像と共に前記表示部に表示させ、前記第3方向の座標が小さくなるにしたがって、前記第1の目印画像で規定される領域が小さくなるように、前記第1の目印画像を前記表示部に表示させる表示制御を実行する表示制御部と、を備える表示装置。 - 前記表示制御部は、前記表示制御において、前記第1方向の座標と前記第2方向の座標とで定められる位置を示す第2の目印画像を、前記第1の目印画像及び前記所定画像と共に前記表示部に表示させる請求項1に記載の表示装置。
- 前記第2の目印画像は、前記第1方向に延びる一本の線画像と前記第2方向に延びる一本の線画像とを含む請求項2に記載の表示装置。
- 前記座標測定部は、互いに離して配置され、前記物体との距離をそれぞれ測定する三つ以上の複数の測距センサーと、前記複数の測距センサーで測定されたそれぞれの距離を用いて、前記第1方向の座標と前記第2方向の座標との組み合わせを複数算出する座標演算部と、を含み、
前記座標測定部は、前記複数の組み合わせにおいて、前記第1方向の座標が全て一致し、かつ、前記第2方向の座標が全て一致する条件を満たす場合、前記第3方向の座標を算出し、前記条件を満たさない場合、前記第3方向の座標を算出せず、
前記表示制御部は、前記表示制御において、前記第3方向の座標が算出された場合、前記第1の目印画像を前記表示部に表示させ、前記第3方向の座標が算出されない場合、前記第1の目印画像を前記表示部に表示させない請求項1に記載の表示装置。 - 前記表示制御部は、前記表示部において前記所定画像を含む画面の表示を消した状態で、前記複数の測距センサーの少なくとも一つにより前記物体が検知された場合、前記画面を前記表示部に表示させる請求項4に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記所定画像を含む第1の画面を前記表示部に表示させており、
前記タッチパネル部が、前記所定画像上の前記パネル表面に前記物体がタッチしたことを検知したとき、前記表示制御部は、前記表示制御において、前記表示部に表示させる画面を、前記第1の画面から、前記所定画像に割り当てられた第2の画面に切り替える請求項1に記載の表示装置。 - 前記表示制御部は、前記表示制御において、前記第3方向の座標が大きくなるにしたがって、前記第1の目印画像で規定される領域が大きくなるように、前記第1の目印画像を前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、複数の前記所定画像を前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記所定画像を前記表示部に表示させた状態で、前記第3方向の座標が所定値以下になれば、前記所定画像に加えて前記第1の目印画像を前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記第3方向の座標が小さくなるにしたがって、前記第1の目印画像で規定される領域が徐々に小さくなるように、前記第1の目印画像を前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記所定画像としてアイコンを前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記所定画像としてソフトキーを前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記第1の目印画像として円の画像を前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記第1の目印画像として、前記第1方向の座標と前記第2方向の座標とで定められる位置の四方に位置する四つの三角形画像を、前記表示部に表示させる請求項1に記載の表示装置。
- 前記表示制御部は、前記表示制御において、前記第1方向の座標と前記第2方向の座標とで定められる位置を示す第2の目印画像、前記第1の目印画像、及び、複数の前記所定画像を含む第1の画面を前記表示部に表示させ、
前記タッチパネル部が、前記複数の所定画像のうち、いずれかの画像上の前記パネル表面に前記物体がタッチしたことを検知したとき、前記表示制御部は、前記表示制御において、前記表示部に表示させる画面を、前記第1の画面から、前記物体がタッチした前記パネル表面下の前記所定画像に割り当てられた第2の画面に切り替え、
前記表示制御部は、前記表示制御において、前記第3方向の座標が大きくなるにしたがって、前記第1の目印画像で規定される領域が大きくなるように、前記第1の目印画像を前記表示部に表示させる請求項1に記載の表示装置。 - 前記座標測定部は、互いに離して配置され、前記物体との距離をそれぞれ測定する三つ以上の複数の測距センサーと、前記複数の測距センサーで測定されたそれぞれの距離を用いて、前記第1方向の座標と前記第2方向の座標との組み合わせを複数算出する座標演算部と、を含み、
前記座標測定部は、前記複数の組み合わせにおいて、前記第1方向の座標が全て一致し、かつ、前記第2方向の座標が全て一致する条件を満たす場合、前記第3方向の座標を算出し、前記条件を満たさない場合、前記第3方向の座標を算出せず、
前記表示制御部は、前記表示制御において、前記第3方向の座標が算出された場合、前記第1の目印画像を前記表示部に表示させ、前記第3方向の座標が算出されない場合、前記第1の目印画像を前記表示部に表示させない請求項15に記載の表示装置。 - 前記表示制御部は、前記表示部において前記複数の所定画像を含む画面の表示を消した状態で、前記複数の測距センサーの少なくとも一つにより前記物体が検知された場合、前記画面を前記表示部に表示させる請求項16に記載の表示装置。
- 請求項1に記載の表示装置を含む操作部を備える画像形成装置。
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