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`(51) Int. Cl.4
`G06F 3/14
` 3/033
`G09G 1/06
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`(19) Japan Patent Office (JP)
`(12) Japanese Unexamined Patent
`Application Publication (A)
`Identification codes
`JPO file number
` 360
` 7341-5B
` 380
` D-7927-5B
` 6974-5C
`Request for examination: None Number of inventions: 1 (Total of 5 pages)
`
`(11) Japanese Unexamined Patent
`Application Publication Number
`S63–206827
`
`(43) Publication date: 26 Aug 1988
`
`
`
`(54) Title of the invention
`
`
`(72) Inventor
`
`DISPLAY SCROLLING SYSTEM
`(21) Japanese Patent Application
`(22) Date of Application
`Toshihiro Asami
`
`(72) Inventor
`
`Takafumi Nakajo
`
`(72) Inventor
`
`Tomoyoshi Takebayashi
`
`(72) Inventor
`
`Satoshi Okuyama
`
`(71) Applicant
`
`Fujitsu Ltd.
`
`S62–40601
`24 Feb 1987
`℅ Fujitsu Ltd., 1015 Kamiodanaka, Nakahara-ku,
`Kawasaki-shi, Kanagawa-ken
`℅ Fujitsu Ltd., 1015 Kamiodanaka, Nakahara-ku,
`Kawasaki-shi, Kanagawa-ken
`℅ Fujitsu Ltd., 1015 Kamiodanaka, Nakahara-ku,
`Kawasaki-shi, Kanagawa-ken
`℅ Fujitsu Ltd., 1015 Kamiodanaka, Nakahara-ku,
`Kawasaki-shi, Kanagawa-ken
`1015 Kamiodanaka, Nakahara-ku, Kawasaki-shi,
`Kanagawa-ken
`
`
`(74) Agent
`
`
`
`
`
`Sadakazu Igeta, patent attorney
`
`
`
`
`SPECIFICATION
`1. Title of the Invention
` Display Scrolling System
`2. Claims
`A display scrolling system that calculates data indicating
`a movement amount and direction of a display image on the
`basis of data input by a pointing device and scrolls the
`display image on a display screen on the basis of the
`calculation results, wherein
`image movement data having non-linear characteristics
`such that a difference relative to the amount of movement
`of a pointing section in the pointing device is greatest at the
`start of movement and gradually falls over time, and the
`display image is moved on the basis of the image movement
`data.
`3. Detailed Description of the Invention
`Summary
`The present invention is a display scrolling system that
`scrolls a display image on the basis of input from a pointing
`device,
`
`
`a movement speed of the display image is exponentially
`approximated to a movement speed of a pointing device
`such as a finger,
`thereby performing naturally scrolling whereby the
`display image moves as though with an appropriate
`sensation of weight.
`
`Industrial Field of Use
`The present invention relates to display scrolling
`systems, and more particularly relates to display scrolling
`systems that move a display image by moving a pointing
`section of a pointing device.
`Known devices to which a display scrolling system
`according to the present invention can be applied include
`the file searching device indicated by a block diagram in
`FIG. 3, for example. In the drawing, 1 is a central
`processing unit, (CPU) 2 is a random access memory
`(RAM), 3 is a read-only memory (ROM) that stores
`programs, etc., 4 is a display controller, and 5 is a cathode
`ray tube (CRT) or other type of display. A transparent touch
`
`— 139 —
`
`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 1 of 11
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`JP S63–206827 (2)
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`panel 6 is provided in front of a display screen of the display
`5.
`
`The RAM 2 stores file data such as telephone books or
`employee rosters, and stored data is read out under control
`of the CPU 1 and displayed to the display 5 after being
`converted to predetermined image data in the display
`controller 4. A plurality of cards having indices A, B, C …
`are thus displayed in the display screen of the display 5 in a
`stacked state as shown in FIG. 4(A), for example.
`When a person slides a finger or the like as indicated by
`8 in FIG. 4(A) over the touch panel 6 in front of the display
`screen in which display is being performed, a coordinate
`position thereof is sent to the CPU 1 via an interface 7 as a
`change in resistance value or the like due to body
`capacitance, and a predetermined process is performed
`along with RAM 2 read control and display controller 4
`control, etc., in accordance with input coordinate data
`thereof. A display image of the display 5, for example, is
`changed as shown in FIG. 4(B) by scrolling vertically.
`
`The display scrolling done by this type of file searching
`device or the like requires more natural movement of the
`display image.
`
`Prior Art
`Conventional display scrolling systems have worked in
`accordance with a flowchart such as the one shown in FIG.
`5 (last drawing) by means of the CPU 1. Namely, to start
`with, the CPU 1 reads coordinates of a point that is touched
`first (touch-on coordinates) indicated by (x0, y0) in FIG.
`4(A) (step 10 in FIG. 5), then reads touch coordinates (x1,
`y1) input by movement of the finger thereafter (step 11), and
`on the basis of a difference between these coordinate values
`calculates an x-axis movement amount dx (= x1 – x0) and a
`y-axis movement amount dy (= y1 – y0) (step 12).
`The CPU 1 controls the RAM 2 and the display controller
`4 in order to scroll the display image by the movement
`amounts (dx, dy) thus calculated. Scrolling is done by
`changing the start address of the screen, for example, so that
`
`the screen looks like it has moved by the amount (dx, dy).
`The minimum amount of movement for scrolling is one dot
`in the display 5.
`The process in steps 11 to 13 is repeated until the finger
`is lifted off after inputting the scroll display coordinates (x1,
`y1). When it is detected that the finger has been lifted off,
`the display scroll operation is finished (steps 14 and 15 in
`FIG. 5).
`Searching through the cards can thus be done easily with
`display scrolling.
`
`Problems to be Solved by the Invention
`In the aforementioned conventional display scrolling
`system, the scrolling movement amount dx, dy was
`calculated using x1 – x0, y1 – y0, which is the difference
`between the current input coordinates (x1, y1) and the touch-
`on coordinates (x0, y0). The movement speed of the finger
`therefore corresponded one-to-one with the movement
`speed of the display image being scrolled. Therefore, the
`movement speed of the display image being scrolled is done
`as if there were no sense of weight whatsoever in the
`
`display image, creating the problem of an unnatural feeling
`of movement therein.
`The present invention was devised in light of these
`circumstances, and has as an object to provide a display
`scrolling system whereby a display image can be moved as
`though it had weight.
`
`Means for Solving the Problems
`A display scrolling system according to the present
`invention is such that image movement data having non-
`linear characteristics such that a difference relative to the
`amount of movement of a pointing section in the pointing
`device is greatest at the start of movement and gradually
`falls over time, and the display image is moved on the basis
`of the image movement data.
`
`Operation
`When data is input that causes a display image to move
`in any direction on a display screen by means of a pointing
`device, the movement amount of the display image is
`largest relative to a movement amount of the pointing
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`— 140 —
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`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 2 of 11
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`JP S63–206827 (3)
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`section when movement starts and thereafter falls gradually
`over time.
`When the pointing section of the pointing device (e.g., a
`finger or stylus on a touch panel, etc.) is moved at a fixed
`speed as indicated by I in FIG. 2, image movement data
`generated on the basis of input data from this pointing
`device causes the display image to move at a speed that
`shows the changes indicated by curve II in the same
`drawing. Accordingly, the display image is scrolled in such
`a manner that the speed of movement thereof approximates
`the movement of speed of the pointing section of the
`pointing device in a non-linear manner (i.e., the difference
`grows smaller). This is the same when the moving pointing
`section stops—after the pointing section stops moving,
`scrolling of the display image which is being scrolled stops
`not immediately but with a slight lag.
`
`Embodiments
`FIG. 1 shows a flowchart for one embodiment of the
`system of the present invention. Operation according to this
`
`flowchart is realized by the CPU 1 when applied to the file
`searching device shown in FIG. 3. Namely, in the first step
`20 in FIG. 1, the CPU 1 initializes to zero x-axis
`(horizontal) movement data xs and y-axis (vertical)
`movement data ys of the display screen, and then reads
`coordinate data (touch-on coordinates)
`indicating a
`movement start location that is input by the touch panel 6
`via the interface 7 (step 21). The touch-on coordinates (x0,
`y0) indicate the first location on the touch panel 6 touched
`by the finger.
`To scroll the display, the user moves his or her finger at
`an undefined speed in a fixed direction while maintaining
`contact with the touch panel 6, as indicated by 8 in FIG.
`4(A). The touch panel 6 detects positional coordinates
`(touch coordinates) of the finger on the touch panel 6 in a
`fixed sampling cycle ts and inputs coordinate data thereof
`to the CPU 1 via the interface 7.
`
`The CPU 1 reads the touch coordinates (x1, y1) after the
`first sampling cycle ts (step 22 in FIG. 1) and then calculates
`x- and y-axis image movement data dxs, dys (step 23 in FIG.
`1). The image movement data dxs is calculated according to
`the formula k ((x1 – x0) – dxs) + dxs, and the image
`movement data dys is calculated according to the formula k
`((y1 – y0) – dys) + dys, where the values of dxs and dys are
`the previous values of dxs and dys, which are zero at first
`because of step 20, and k is a coefficient that determines a
`rate of change of scrolling speed, selected so as to be an
`appropriate value such that 0 < k < 1.
`After calculating the image movement data dxs and dys,
`the CPU 1 controls reading from the RAM 2 and the display
`controller 4 in order to move the display image inside the
`screen by an amount equal to the coordinates (dxs, dys) (step
`24 in FIG. 1). Next, the CPU 1 detects whether or not the
`finger has been lifted off the touch panel 6 on the basis of a
`signal from the touch panel 6 (step 25 in FIG. 1) and, if the
`finger has not been lifted off, returns the process to step 22.
`
`In this manner the CPU 1 repeats the process in steps 22
`to 25 for every one of the fixed sampling cycles ts, and the
`display image is scrolled by being redrawn every one of the
`fixed sampling cycles ts.
`The image movement data dxs, dys is calculated such that
`the difference between the position indicated by the touch
`coordinates (x1, y1) and the position of the display image
`which has been moved by an amount corresponding to the
`image movement data dxs, dys is largest immediately after
`the finger starts moving and gradually falls, and therefore
`the display is scrolled so as to move as if it had an
`appropriate amount of weight.
`Note that a movement speed vs of (scrolling speed) of the
`display image and a speed vf at which the finger moves are
`expressed in the following equations.
`
`
`vs = ds / ts
`vf = df / ts
`
`— 141 —
`
`
`
`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 3 of 11
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`

`

`JP S63–206827 (4)
`
`where ds = √ (dxs)2 + (dys)2 and df = √ (x1 – x0)2 + (y1 –
`y0)2. Because the sampling cycle ts of the touch panel 6 is
`normally fixed, the scroll speed vs changes in accordance
`with the movement amount describes of the display image,
`and approaches the speed of movement vf of the finger over
`time.
`Operation in a cases where the finger stops moving and
`is lifted off of the touch panel 6 is described next. When the
`finger is removed from the touch panel 6, the CPU 1 detects
`an off-touch by means of a signal from the touch panel 6
`input via the interface 7 (step 25 in FIG. 1) and on the basis
`thereof calculates the image movement data dxs, dys
`following the equation (1 – k) · dxs and (1 – k) · dys (step
`26 in FIG. 1).
`
`Next, the CPU 1 determines whether or not the
`amount of movement corresponding
`to
`the
`image
`movement data dxs, dys thus calculated is smaller than a size
`Dth of a single dot in the display 5 (steps 27 and 28 in FIG.
`
`1). If the image movement data dxs, dys is larger than Dth,
`the process returns to step 26 and calculates dxs, dys. The
`amount of movement yielded by the formulas equation (1 –
`k) · dxs and (1 – k) · dys is largest at the beginning but
`gradually falls, and by the end is smaller than the size Dth
`of one dot, at which point the scrolling ends (step 29 in FIG.
`1).
`Thus, the speed of movement of the display image
`according to the image movement data dxs, dys is largest
`after the off-touch as well as immediately after the off-
`touch, but gradually approaches the speed of movement
`instructed by the touch panel 6 over time (i.e., zero in this
`case), eventually stopping. The display image therefore
`does not stop immediately after the off-touch, but rather
`scrolls and stops as though it had an appropriate amount of
`weight or inertia, moving a little before stopping. This gives
`a natural feel to the movement.
`The present invention is not limited to the present
`embodiment, for example the device shown in FIG. 3 for
`
`organizing and searching through files in card format, as a
`device for performing display scrolling. The present
`invention may naturally be applied to various types of
`devices that can display other shapes. Moreover, the input
`device for giving instructions for display scrolling is not
`limited to touch panels. Stylus input devices may be used,
`as can mice and other types of pointing devices.
`
`Effects of the Invention
`As described above, the present invention can scroll a
`display that approaches a speed of movement of a pointing
`section on a pointing device in a non-linear manner over
`time, making it possible to scroll the display as though the
`display image has an appropriate weight and is being
`moved with a certain amount of friction and stops with
`inertia, and therefore has advantages in allowing extremely
`natural-feeling scrolling of displays.
`4. Brief Description of the Drawings
`
`FIG. 1 is a flowchart showing one embodiment of the
`present invention.
`FIG. 2 is a descriptive view of a display scrolling speed
`in the present invention.
`FIG. 3 is a block diagram of one example of a file
`searching device to which the present invention can be
`applied.
`FIG. 4 is a view describing display scrolling in the device
`shown in FIG. 3.
`FIG. 5 is a flowchart of one example of a conventional
`display scrolling system.
`In the drawings:
`1 is a central processing unit (CPU),
`5 is a display,
`6 is a touch panel, and
`20 to 29 are steps.
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`— 142 —
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`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 4 of 11
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`

`

`JP S63–206827 (5)
`
`Descriptive view of display scrolling speed in the present invention
`
`Time
`
`FIG. 2
`
`Speed
`
`Touch panel
`
`Display
`
`controller
`Display
`
`Interface
`
`Block diagram of a file searching device to which
`the present invention can be applied
`
`FIG. 3
`
`Start
`
`Touch-on coordinate input
`(x0, y0)
`
`Touch coordinate input
`
`Movement amount calculation
`
`Scroll screen by (dx, dy)
`
`Touch-off on
`(x1, y1)?
`
`End
`
`Flowchart of one example of a conventional system
`
`FIG. 5
`
`
`
`Start
`
`Initial scroll amount setting
`dxs  0
`dys  0
`
`Touch-on coordinate input
`(x0, y0)
`
`Touch coordinate input
`(x1, y1)
`
`Movement amount calculation
`
`Scroll screen by an amount
`equal to (dxs, dys)
`
`Off-touch on (x1, y1)?
`
`Movement amount calculation
`
`Flowchart of one embodiment of the present invention
`
`End
`
`FIG. 1
`
`Descriptive view of a display scrolling operation
`
`FIG. 4
`
`— 143 —
`
`
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`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 5 of 11
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`

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`Certificate of Translation and Declaration of Marc Adler
`
`in the English and Japanese languages, on
`1, Marc Adler, a translator fluent
`behalf of TransPerfect Translations International Inc., do solemnly and
`sincerely declare that the following is,
`to the best of my knowledge and
`belief, a true and correct translation of the document listed below in a form
`that best reflects the intention and meaning of the original text.
`
`The translated document is designated as:
`Japanese Unexamined Patent Application Publication Number 563—206827
`
`I have determined that the publication
`Based on my review of this document,
`date of the above document was August 26 1988. The inventors listed on the
`face of the document are Toshihiro Asami, Takafumi Nakajo, Tomoyoshi
`Takebayashir and Satoshi Okuyama
`
`TransPerfeCt reference number: TPT869700
`File name:
`JPS63206827A
`
`I hereby declare that all of the statements made herein of my own knowledge
`are true and that all statements made on information and belief are believed
`to be true; and further that these statements were made with knowledge that
`willful false statements and the like so made are punishable by fine or
`imprisonment, or both, under Section 1001 of Title 18 of the United States
`Code.
`
`
`
`Sworn to before me this
`mi
`
`am
`
`me ‘5
`
`Texas
`
`[WM/o F Mala, ‘
`Signature, Notary Public
`
`Stamp, Notary Public
`
`
`
`‘ CH
`NOTARY PUBLIC
`:
`STATE OF TEXAS
`,‘9‘-
`
`. plumes—sensual. _
`
`
`MV COMM. 5597/} 9,1];
`
`
`
`Microsoft Ex. 1014
`
`Microsoft v. Philips -
`
`|PR2018—00026
`Page6of11
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`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 6 of 11
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`

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`Microsoft Ex. 1014
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`Microsoft v. Philips -
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`|PR2018—00026
`Page 7 of 11
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`Microsoft Ex. 1014
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`Page 7 of 11
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`—140—
`
`Microsoft Ex. 1014
`
`Microsoft v. Philips -
`
`|PR2018—00026
`Page 8 of 11
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`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 8 of 11
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`

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`-141—
`
`Microsoft Ex. 1014
`
`Microsoft v. Philips -
`
`|PR2018—00026
`Page 9 of 11
`
`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 9 of 11
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`

`

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`—142—
`
`Microsoft Ex. 1014
`
`Microsoft v. Philips -
`
`|PR2018—00026
`Page100f11
`
`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 10 of 11
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`

`

`
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`—143—
`
`Microsoft Ex. 1014
`
`Microsoft v. Philips -
`
`|PR2018—00026
`Page 11 of 11
`
`Microsoft Ex. 1014
`Microsoft v. Philips - IPR2018-00026
`Page 11 of 11
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