WO2008032832A1 - Dispositif électronique - Google Patents
Dispositif électronique Download PDFInfo
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- WO2008032832A1 WO2008032832A1 PCT/JP2007/067974 JP2007067974W WO2008032832A1 WO 2008032832 A1 WO2008032832 A1 WO 2008032832A1 JP 2007067974 W JP2007067974 W JP 2007067974W WO 2008032832 A1 WO2008032832 A1 WO 2008032832A1
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- detection unit
- request
- operation detection
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- 238000001514 detection method Methods 0.000 claims abstract description 97
- 238000012545 processing Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 30
- 230000004044 response Effects 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 7
- 230000004913 activation Effects 0.000 description 33
- 238000004891 communication Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 14
- 230000007704 transition Effects 0.000 description 8
- 230000010355 oscillation Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 230000012447 hatching Effects 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 230000010365 information processing Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101710179738 6,7-dimethyl-8-ribityllumazine synthase 1 Proteins 0.000 description 1
- 101710186608 Lipoyl synthase 1 Proteins 0.000 description 1
- 101710137584 Lipoyl synthase 1, chloroplastic Proteins 0.000 description 1
- 101710090391 Lipoyl synthase 1, mitochondrial Proteins 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
-
- 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
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
-
- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
-
- 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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Definitions
- the present invention relates to an electronic device, and more particularly to an electronic device provided with an operation detection unit that detects an operation.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-280792
- Patent Document 2 Japanese Patent Laid-Open No. 2005-522797
- Patent Document 3 Japanese Unexamined Patent Application Publication No. 2004-311196
- An electronic device having such a conventional operation detection unit is configured to be settable to either an operable state or an inoperable state, and a predetermined request made when the inoperable state is set.
- the setting to the operable state and the calibration process are performed, and the operation to the operation unit can be detected.
- setting from the operable state to the inoperable state If there is a predetermined request during setting or setting from the inoperable state to the inoperable state, the setting to the ready state and the calibration process will be started from the time when the request is made, and proper calibration processing will not be performed.
- the operation detector will be set to the operable state without completing. That is, in this case, the operation detection unit cannot properly detect an operation on the operation unit.
- the present invention has been made in view of such problems, and an object of the present invention is during setting from the operable state to the inoperable state or from the inoperable state to the operable state. It is an object of the present invention to provide an electronic device having an operation detection unit that can properly detect an operation to the operation unit even when there is a predetermined request.
- an electronic device configured to be able to detect an operation unit and an operation to the operation unit, and to be in an operable state or an inoperable state
- An operation detection unit configured to be settable, a calibration processing unit that performs a calibration process on the operation detection unit, setting the operation detection unit to the operable state in response to a first request, and the A control unit that performs calibration processing by the calibration processing unit for the operation detection unit.
- the operation detecting unit When the operation detecting unit is set to the operable state according to the first request by the control unit and the calibration processing by the calibration processing unit is performed when the operation detecting unit is in the operation disabled state,
- the operation detecting unit can detect the operation, and the control unit can operate the operation detecting unit in response to the first request made during the setting from the operable state to the inoperable state. And the calibration processing by the calibration processing unit is suppressed.
- the electronic device of the present invention is configured to be able to detect an operation unit and an operation to the operation unit, and to be set to either an operable state or an inoperable state.
- An operation detection unit, a calibration processing unit that performs a calibration process on the operation detection unit, a setting of the operation detection unit to the operable state in response to a first request, and the calibration process for the operation detection unit A control unit that performs a calibration process by a unit, and when the operation detection unit is in the inoperable state, setting to the operable state according to the first request by the control unit and the calibration processing unit
- the control unit detects the operation detection unit in response to the first request made during the setting of the operation detection unit from the operation disabled state to the operation enabled state.
- the setting to the operable state and the calibration processing by the calibration processing unit are suppressed.
- the control unit sets the operation detection unit to the operable state in response to the first request made during the setting of the operation detection unit from the operable state to the inoperable state. It is preferable that the operation detection unit is set in the non-movable state and performs a calibration process by the calibration processing unit.
- the electronic device of the present invention includes a first housing, a second housing, a connecting portion that connects the first housing and the second housing so as to be openable and closable, An open / close detection unit that detects an open / closed state of the first housing and the second housing via the connecting portion, and the control unit includes the first housing by the open / close detection unit. And the detection result of the open / closed state of the second casing is recognized as the first request, the operation detection unit is set to the operable state, and the calibration process by the calibration processing unit for the operation detection unit It is preferable to carry out.
- the electronic device of the present invention stores that the first request or the second request made during the setting of the operation detection unit from the operable state to the inoperable state is made.
- a storage unit wherein the control unit sets the operation detection unit to the operation disabled state in response to the second request, and the operation detection unit changes from the operable state to the operation disabled state. If the last request stored in the storage unit during the setting is the first request, the operation detection unit is set to the operable state according to the request and the calibration processing unit It is preferable to perform a calibration process, and to set the operation disabled state when the last request stored in the storage unit during the setting is the second request.
- the electronic device of the present invention includes a first housing, a second housing, a connecting portion that connects the first housing and the second housing so as to be openable and closable, An open / close detection unit that detects an open / closed state of the first housing and the second housing via the connecting portion, and the control unit includes the first housing by the open / close detection unit.
- the detection result of one of the states of opening and closing of the second casing is recognized as the first request, and the detection result of the other state is recognized as the first request. It is preferable to recognize as 2 requests!
- control unit switches the operation detection unit to the operation disabled state. Les, which is preferred to do.
- control method in the electronic device of the present invention is configured to be able to detect an operation to the operation unit, to be configured to be set in either an operable state or an inoperable state, and
- the operation detection unit is configured to detect the operation to the operation unit by performing the setting to the operation enabled state and the calibration process. Setting the operation detecting unit to the operable state in response to the first request made when the operation detecting unit is switching between the operable state and the inoperable state. The calibration process is suppressed.
- the electronic device satisfies the request even when there is a predetermined request during the setting from the operable state to the inoperable state or during the setting from the inoperable state to the operable state. Accordingly, since the setting of the corresponding operation detection unit to the operable state and the calibration process are suppressed, it is possible to suitably detect the operation to the operation unit.
- FIG. 1 is a block diagram showing a basic configuration of a mobile phone terminal to which the present invention is applied.
- FIG. 2 is a perspective view of a mobile phone terminal in which a sensor element is mounted on a housing.
- FIG. 3 is a plan view showing the arrangement of components of the mobile phone terminal according to the present invention.
- FIG. 4 is an exploded perspective view of components of the mobile phone terminal shown in FIG.
- FIG. 5 is a schematic block diagram for explaining processing of contact detection data from each sensor element in the mobile phone terminal according to the present invention.
- FIG. 6 is a diagram for explaining the response of the sub display unit when the user traces on the sensor element.
- FIG. 7 is a diagram for explaining the response of the sub display unit when the user traces on the sensor element.
- FIG. 8 is a detailed functional block diagram of a mobile phone terminal to which the present invention is applied.
- FIG. 9 is a block diagram showing a more detailed configuration of the touch sensor function of the mobile phone terminal according to the present invention.
- FIG. 10 is a sequence diagram of power supply ON / OFF control of the touch sensor module TSM.
- FIG. 1 is a block diagram showing a basic configuration of a mobile phone terminal to which the present invention is applied.
- the cellular phone terminal 100 shown in FIG. 1 includes a control unit 110, a sensor unit 120, a display unit 130, a storage unit (flash memory, etc.) 140, an information processing function unit 150, a telephone function unit 160, a key operation unit KEY, and a speaker SP.
- the communication unit COM is connected to a CDMA communication network (not shown) for communication.
- the sensor unit 120 includes a sensor element group including a plurality of sensor elements (for example, a contact sensor whose detection unit is provided on the outer surface of the device casing and detects contact / proximity of an object such as a finger).
- the number n includes the first sensor element group Gl, the second sensor element group G2, and the nth sensor element group G3.
- the storage unit 140 includes a storage area 142, an external data storage area Consists of 144.
- the control unit 110 and the information processing function unit 150 are preferably configured by a calculation unit such as a CPU and a software module.
- serial interface unit SI which will be described later, FeliCA module FM and infrared communication unit IR connected to control unit 110 via serial interface unit SI, camera 220 and light 230, microphone MIC, radio module RM, Power to connect the power supply PS, power supply controller PSCON, etc. to the control unit 110.
- the control unit 110 detects contact of an object with a user's finger or the like by the sensor unit 120, stores the detected information in the storage area 142 of the storage unit 140, and processes the information stored by the information processing function unit 150. Control. Then, information corresponding to the processing result is displayed on the display unit 130. Furthermore, the control unit 110 controls the telephone function unit 160, the key operation unit KEY, and the speech force SP for a normal call function.
- the display unit 130 is provided at a position where the sub display unit ELD and a main display unit (not shown) are hidden in the closed state and exposed in the open state. Display section).
- FIG. 2 is a perspective view of a mobile phone terminal in which the sensor element is mounted on the housing.
- the mobile phone terminal 100 can also be opened by rotating and sliding the hinge, and the touch sensor unit 210 can be operated even in the closed state. It is provided at a position.
- FIG. 2 (a) is a perspective view showing the appearance of the mobile phone terminal 100.
- the mobile phone terminal 100 has a touch sensor unit 210 (in appearance, a sensor unit 130, that is, a panel PNL (operation unit) covering the sensor element groups Gl and G2 (described later in FIG. 4)), a camera 220, and With light 230.
- FIG. 1 is a perspective view showing the appearance of the mobile phone terminal 100.
- the mobile phone terminal 100 has a touch sensor unit 210 (in appearance, a sensor unit 130, that is, a panel PNL (operation unit) covering the sensor element groups Gl and G2 (described later in FIG. 4)), a camera 220, and With light 230.
- FIG. 2 (b) is a perspective view of the mobile phone terminal 100 in which the panel PNL is omitted for the explanation of the operation of the touch sensor, and only the arrangement around the sensor element and the sub display unit ELD is displayed.
- the sensor elements L1 to L4 and R1 to R4 are arranged side by side along the periphery of the sub display portion ELD.
- the sensor elements L1 to L4 constitute a first sensor element group G1
- the sensor elements R1 to R4 constitute a second sensor element group G2.
- the first sensor element group G1 and the second sensor element group G2 are separated with the separation portions SP1 and SP2.
- the second sensor element group G2 has a line-symmetric layout with the sub display portion ELD sandwiched and the direction in which the selection candidate items are arranged as the center line.
- an organic EL display is used for the sub display ELD! /, But for example, a liquid crystal display or the like is used! /, May! /.
- a capacitive contact sensor is used as the sensor element.
- the sub display unit ELD displays information corresponding to the use of the mobile phone terminal 100.
- the sub-display portion ELD displays songs that can be played.
- the combination of song name and artist name is one item, that is, “selection candidate item”.
- the control unit 110 moves the items and operation target areas displayed on the sub display unit ELD. To select a song.
- the touch sensor unit 120 has a configuration in which sensor elements are arranged around the sub display unit ELD as shown in FIG.
- FIG. 3 is a plan view showing the arrangement of the components of the touch sensor unit 210 of the cellular phone terminal 100 according to the present invention. For convenience of drawing and explanation, only some components are shown and described.
- an annular panel PNL is arranged along the periphery of the sub display portion ELD made of organic EL elements.
- the panel PNL is preferably thin enough so as not to affect the sensitivity of the sensor elements provided at the bottom.
- a separation portion SP1 having a length is provided between the sensor element L4 located at one end of the first sensor element group G1 and the sensor element R1 located at one end of the second sensor element group G2.
- the separation part SP2 is also provided between the sensor element L1 located at the other end of the first sensor element group G1 and the sensor element R4 located at the other end of the second sensor element group G2. Is provided.
- Such separation portions SP1 and SP2 suppress interference between the first sensor element group G1 and the second sensor element group G2 when they function separately.
- Each sensor element of the first sensor element group G1 has a force S arranged in an arc shape, the center of this arc, that is, the lower part of the middle of the sensor elements L2 and L3, the center of the tact switch SW1 is Has been placed.
- the center of the tact switch SW2 is arranged at the center of the arc formed by each sensor element of the second sensor element group G2, that is, at the lower part between the sensor elements R2 and R3 (FIG. 4). reference).
- the tact switch is accompanied by movement of the finger on the sensor element with the direction of the finger.
- the switch performs an operation not directly related to the direction instruction by the operation. That is, not the center of the arrangement direction of the sensor element group but the end (for example, If a tact switch is placed at LI or L4), the tact switch is a ⁇ switch '' that is pressed for a long time to continue the movement operation by the touch sensor in order to remind the directionality toward the end side. Is easy to give to the user. On the other hand, if the tact switch is arranged at the center in the arrangement direction of the sensor element group as in the configuration of the present invention, the possibility of such misunderstanding is reduced, and a more comfortable user interface is provided.
- a tact switch is placed under the sensor element and not exposed to the outside of the device, the number of operation parts that are exposed on the outside of the device can be reduced, and complicated operations are required. It becomes a smart impression.
- the switch is provided at a location other than the lower part of the panel PNL, it is necessary to provide a separate through hole in the equipment housing, but the housing strength may be lowered depending on the position where the through hole is provided.
- the tact switch is arranged below the panel PNL and the sensor element, so that it is not necessary to provide a new through hole, and a decrease in housing strength is also suppressed.
- the selection candidate item displayed in the sub-display unit ELD (in this case, , Sound, display, data, camera) are displayed as selection target areas (not shown here, but highlighted, highlighted in another color, etc.)! Or the selection candidate item scrolls upward.
- the desired selection candidate item is displayed as the selection target area
- the user performs a selection confirming operation of pressing the tact switch SW1 over the panel PNL and the sensor elements L2 and L3 to confirm the option
- the display itself can be changed to another screen by pressing the tact switch SW2.
- the panel PNL is flexible enough to press down the tact switches SW1 and SW2, or is attached to the equipment housing so that it can be tilted slightly, and also serves as a pusher for the tact switches SW1 and SW2. Have got.
- FIG. 4 is an exploded perspective view of the components of the cellular phone terminal shown in FIGS. 2 and 3, particularly the touch sensor unit 210.
- the panel PNL and the sub display ELD are arranged on the first layer that forms the outer surface of the terminal housing.
- the sensor elements L1 to L4 and R1 to R4 are arranged on the second layer located below the panel PNL of the first layer.
- the third layer located below the sensor elements L2 and L3 of the second layer and below the sensor elements R2 and R3 , Tact switches SW1 and SW2 are arranged respectively.
- FIG. 5 is a schematic block diagram for explaining processing of contact detection data from each sensor element in the mobile phone terminal according to the present invention.
- the sensor elements R1 to R4 are shown, but the same applies to the sensor elements L1 to L4.
- a high frequency is applied to each of the sensor elements R1 to R4, and a high frequency state that has been calibrated and recognized in consideration of a change in a certain stray capacitance is set as a reference.
- Part 300 R1 pretreatment unit 300a, R2 pretreatment unit 300b, R3 pretreatment unit 300c, R4 pretreatment unit 300d
- high frequency based on changes in capacitance due to finger contact etc.
- a / D converter 310 (A / D converter 310a for R1, A / D converter 310b for R2, A / D converter 310c for R3, 310c, A / D converter for R4 310d) and converted to a digital signal indicating contact detection.
- the digitized signals are transmitted to the control unit 320 and stored as information held by the signals in the storage unit 330 as a set of signals as a group of sensor elements. After that, this signal is sent to the serial interface S I and interrupt handler IH, which will be described later.
- the interrupt handler IH converts the signal into a signal that can be read by the touch sensor driver TSD, and then puts the converted signal into the queue QUE.
- the control unit 320 Based on the information stored in the storage unit 330, the control unit 320 detects a direction when contact is detected by two or more adjacent sensor elements.
- FIG. 6 and FIG. 7 are diagrams for explaining the response of the sub display unit when the user traces on the sensor element.
- (a) is a schematic diagram showing only the sub-display unit ELD mounted on the mobile phone terminal and the sensor elements arranged side by side along the periphery of the sub-display unit ELD.
- b) is a diagram showing sensor elements detected with time
- (c) is a diagram showing a change in position of the operation target area of the sub-display unit ELD according to the detected sensor elements.
- the sensor element, the sensor element group, and the separated portion are denoted by the same reference numerals as in FIG. 2 (b).
- TI indicates the title of the item list displayed by the sub display part
- LS ;! to LS4 indicate selection candidate items (for example, several scrollable lines).
- LS places the cursor on the item or highlight the item itself so that the item in the operation target state can be identified as the current operation target area. Highlight with The In these figures, the items displayed as the operation target area are highlighted with hatching. For convenience of explanation, “moving target” will be described using only the operation target area.
- the sub-display unit operates on the same principle when moving (scrolling) the 1S item itself.
- the control unit 110 is indicated by (b). Detects contact as an operation with movement over time. In this case, the operation is detected in the order of the sensor elements Rl, R2, R3, R4. This continuous contact from R1 to R4 is detected by two or more of the adjacent sensor elements, so the direction is detected, and the operation target depends on the number of times the adjacent sensor elements have changed and the direction. The area moves on the list displayed in the sub display ELD. In this case, as shown in (c), the operation target area is moved downward by three items from the item LS 1 at the initial position to the item LS4.
- the operation target area is indicated by hatching, but the one with the narrow hatching pitch is the initial position, and the one with the wide hatching pitch is the position after the movement.
- the “operation target area moves downward” on the sub display unit, as in the case of the user's “downward finger pointing operation”, the user can You will feel as if you are moving the target area freely with your finger. That is, the operation feeling as intended by the user can be obtained.
- the sensor elements L4, L3, L2, and L1 are the sensor elements L4, L3, L2, and L1 as shown in (b).
- the contact is sequentially detected as an operation involving movement. Since the contact in this case is a contact that makes three transitions from the top to the bottom as in the case of the arrow AR1, the operation target area is 3 from item LS I to item LS4 in the downward direction as shown in (c). Move one minute.
- FIG. 7 (a) if the sensor elements are traced from the bottom to the top (counterclockwise direction) indicated by the arrow AR1, the sensor elements are as shown in (b). Among them, sensor elements R4, R3, R2, and R1 detect contact as an operation involving movement in this order. The contact in this case is a contact that makes three adjacent sensor elements transition from the bottom to the top. As shown in (c), the operation target area moves up to the item LSI by moving upward from the item LS4 force to the item LSI. To do.
- FIG. 8 is a detailed functional block diagram of the mobile phone terminal 100 to which the present invention is applied.
- the various types of software shown in FIG. 8 are operated by the control unit 110 executing a work area on the storage unit 140 based on a program stored in the storage unit 140.
- the functions of mobile phone terminals are divided into software blocks and hardware blocks.
- the software block includes a base application BA having a flag storage unit FLG, a sub display unit display application API, a lock security application AP2, other applications AP3, and a radio application AP4.
- the software block also includes the infrared communication application APIR and the FeliCa application APF.
- the infrared communication driver IRD When these various applications (application software) control various hardware in the hardware block, the infrared communication driver IRD, FeliCa driver FD, audio driver AUD, radio driver RD, and protocol PR are used as drivers.
- the audio driver AUD, radio driver RD, and protocol PR control the microphone MIC, power SP, communication unit COM, and radio module RM, respectively.
- the software block also includes a key scan port driver KSP that monitors and detects the operating state of the hardware, detects touch sensor driver related detection, key detection, and opens / closes mobile phone terminals such as folding and sliding types. Open / close detection, earphone attachment / detachment detection, etc. are performed.
- the hardware block is a key operation unit KEY that includes various buttons including dial keys and tact switches SW1 and SW2, an open / close detection device OCD that detects opening and closing based on the operating status of the hinge unit, etc.
- KEY key operation unit
- OCD open / close detection device
- the switching control unit SWCON drives the infrared communication unit IR, FeliCa module FM, touch sensor module TSM (sensor unit 120 and sensor unit 120 such as an oscillation circuit, etc.) according to instructions from the corresponding block in the software block.
- the power supply PS supplies power to the selected hardware (IR, FM, TSM) via the power supply controller PSCON.
- FIG. 9 is a block diagram showing a more detailed configuration of the touch sensor function of the mobile phone terminal 100 according to the present invention.
- this mobile phone terminal 100 includes a touch sensor driver block TDB, a touch sensor base application block TSBA, a device layer DL, an interrupt handler IH, a queue QUE, an OS timer CLK, various applications AP; Is provided.
- the touch sensor driver block TDB is equipped with a touch sensor driver (touch sensor control unit) TSD and a result notification unit NTF.
- the device layer DL includes a switching control unit SWCON, a switching unit SW, a serial interface unit SI, an infrared communication unit IR, a FeliCa module FM and a touch sensor module TSM. Approval part CNF is provided.
- Touch sensor base application block In TSBA the communication between the base application BA and the touch sensor driver upper-level application program interface API indicates whether or not to start the touch sensor.
- Base application BA is an application that is the base of the sub display section display application API, which is an application for the sub display section, lock security application AP2, which is an application that locks the mobile phone terminal 100 for security protection, and other applications AP3.
- the touch sensor driver upper application program interface API is requested to activate the touch sensor.
- the sub display unit is a sub display unit ELD shown in each figure, and in the mobile phone terminal 100 in this embodiment, the sub display unit is a display unit provided in the central region of the sensor element group arranged in a ring shape. Refers to that.
- the touch sensor driver upper application program interface API manages the activation of the application in the base application BA (illustrated). Without checking) whether or not the touch sensor can be activated. In other words, it is set that the touch sensor cannot be activated in advance, such as lighting of the sub-display ELD indicating that application selection has been executed! /, Or FM radio or other applications attached to the mobile phone terminal 100, etc. Check for the presence of a flag indicating that the application has started. As a result, when it is determined that the touch sensor can be activated, the touch sensor driver upper application program interface API requests the touch sensor driver (touch sensor control unit) TSD to activate the touch sensor module TSM. In other words, power supply from the power source PS to the touch sensor module TSM via the power controller PSCOM is actually started.
- the touch sensor driver TSD When activation is requested, the touch sensor driver TSD requests the serial interface unit SI in the device layer DL to control to open a port with the touch sensor driver TSD in the serial interface unit SI.
- the touch sensor driver TSD sends a signal (hereinafter referred to as a contact signal) having information on the sensing result of the touch sensor to the serial interface unit in a cycle of 20 ms by the internal clock of the touch sensor module TSM.
- a contact signal a signal having information on the sensing result of the touch sensor to the serial interface unit in a cycle of 20 ms by the internal clock of the touch sensor module TSM.
- the contact signal is output as an 8-bit signal corresponding to each of the eight sensor elements L1 to L4 and R1 to R4 described above. That is, when each sensor element detects a contact, a signal corresponding to the sensor element that detected the contact is set with a flag “1” indicating contact detection. Is formed. That is, the contact signal includes information indicating “which sensor element” is “contact / non-contact force”.
- the serial interrupt monitoring unit SIMON in the interrupt handler IH takes out the contact signal output to the serial interface unit SI.
- Check unit CNF force Serial interface unit Check the Tru / False of the extracted contact signal according to the preset conditions in SI! /, And put only true signal data into the queue QUE (Signal True / False types will be described later).
- the serial interrupt monitoring unit SIM ON is used for the serial interface during activation of the touch sensor, such as the tact switch being pressed. It also monitors other interrupt events in the source part SI.
- the monitoring unit SIMON puts a signal indicating "press” into the queue QUE (queuing) before the contact signal. After that, the contact signal is updated at a cycle of 40 ms using the OS timer CLK of the operation system. If contact is not detected a predetermined number of times, a signal indicating “release” is entered in the queue QUE. This makes it possible to monitor the movement of contact detection between sensor elements from the start of contact to release.
- “First contact” refers to an event where a signal having “flag: 1” is generated when there is no data in the queue QUE or when the latest input data is “release”. With these processes, the touch sensor driver TSD uses the force S to know the detection state of the sensor element in the section from “press” to “release”.
- the monitoring unit SIMON generates a pseudo-signal indicating "release" and stores it in the queue.
- the conditions for false are “when contact is detected by two discontinuous sensor elements”, “when an interrupt occurs during touch sensor activation (for example, a sub-display with a notification of an incoming mail, etc.) Part ELD lighting / extinguishing state has changed) ”,“ when a key press occurs during touch sensor activation ”, or“ when contact across multiple sensor element groups is detected ”as described later. Is set.
- the monitoring unit SIMON detects contact with two adjacent sensor elements such as the sensor elements R2 and R3 at the same time, the monitoring unit SIMON performs the same contact as when detecting a single element. Put a contact signal flagged in the bit corresponding to the detected element into the queue QUE
- the touch sensor driver TSD reads a contact signal from the queue QUE at a cycle of 45 ms, and determines an element that has detected contact based on the read contact signal.
- the touch sensor dryer SD takes into account the change in contact determined by the contact signal sequentially read from the cue QUE and the positional relationship with the detected element. Detect direction (clockwise / counterclockwise) ”and“ travel distance from press to release ”.
- the touch sensor driver TSD sends the judgment result to the result notification unit NTF. In addition to writing, the base application BA is notified to update the result.
- the moving direction and moving distance of the contact are determined by a combination of detection of adjacent sensor elements and detection of each sensor element.
- the base application BA confirms the result notification unit NTF, and the content of the information notified to the result notification unit NTF. This is notified to a higher-order application that requires a touch sensor result (such as a display unit display API for displaying the menu screen in the sub display unit and a lock security application AP2 for lock control).
- a touch sensor result such as a display unit display API for displaying the menu screen in the sub display unit and a lock security application AP2 for lock control.
- the touch sensor driver TSD (control unit, calibration processing unit) activates the touch sensor module TSM (first request) when no voltage is applied to the touch sensor module TSM. ) Is detected, the voltage applied to the touch sensor module TSM is increased to a predetermined voltage value to drive the touch sensor module TSM, and a predetermined calibration process (calibration) is performed to turn it on (operable). State). That is, the touch sensor module TSM is configured to be set between an ON state and an OFF state.
- the touch sensor driver TSD detects the start prohibition request (second request) of the touch sensor module TSM and lowers the voltage to shift to the OFF state where no voltage is applied.
- the voltage application state at the time when the activation permission is requested (the voltage has been lowered to the non-application state! /, Na! /, State) force Again, the voltage tries to rise to the predetermined voltage.
- the touch sensor module TSM can detect the operation to the panel PNL normally only after the voltage is raised to the predetermined voltage from the voltage non-applied state which is the initialization state and the predetermined calibration operation is performed. Because it is configured, no voltage is applied as described above When the voltage is raised from the state to the predetermined voltage, the calibration operation is not performed normally, and the touch sensor module TSM cannot detect operation to the panel PNL normally.
- the touch sensor driver TSD detects a start permission request of the touch sensor module TSM while the voltage is decreasing, the touch sensor driver TSD suppresses the voltage application and the calibration operation according to the start permission request, and enters the OFF state. Priority is given to the control of the transition operation, and the touch sensor module TSM prevents the operation of the panel PNL from being detected normally. Then, after shifting to the OFF state where no voltage is applied, the voltage is increased to a predetermined voltage value for driving the touch sensor module TSM and a predetermined calibration process (calibration) is performed to perform the touch sensor module TSM. The activation permission request is satisfied.
- the calibration process is an operation for measuring the reference capacitance of the sensor element performed by the touch sensor driver TSD (the capacitance type sensor element is based on a change in the reference capacitance value). Because it is configured to detect the operation state, it is necessary to know the reference capacity value when using it).
- the FM radio is turned off immediately after turning on. If the sub display ELD is turned on immediately after it is turned off, if the UART (serial port communication circuit) is switched to the infrared communication unit IR or Felica and then switched to the touch sensor module TSM, etc. Can be considered.
- the display unit 130 When the casing is opened immediately after being opened, that is, in the opened state, the display unit 130 is operated, so the touch sensor module TSM is turned off, Immediately after that, it is in the closed state and the power is turned on to enable operation with the touch sensor module TSM.
- the key scan port driver KSP open / close detection unit
- the open / close detection device OCD are monitored to detect the open / close state of the chassis, and the touch sensor driver TSD is requested to start the touch sensor module TSM and start. Make a ban request.
- the touch sensor module TSM of the mobile phone terminal 100 has an oscillation circuit and an electrode connected to the oscillation circuit, and is based on changes in the frequency and amplitude of the oscillation signal output from the oscillation circuit that changes when the electrode is touched. If the oscillation frequency of the oscillation circuit and the reception frequency of the FM radio are close to each other, touch the touch sensor module TSM while the FM radio is on. Since noise is mixed in with the radio, the FM radio ON state and the touch sensor module TSM power ON state do not coexist. In this case, the radio application AP4 requests the touch sensor driver TSD to activate the touch sensor module TSM and request to prohibit the activation via the base application BA and the touch sensor driver upper application program interface API.
- the sub display unit ELD is turned on immediately after it is turned off, that is, the sub display unit is turned on / off in conjunction with the power ON / OFF of the touch sensor module TSM.
- the sub-display unit display application API issues a request for permission to start and a start prohibition of the touch sensor module TSM to the touch sensor driver TSD via the base application BA and the touch sensor driver upper application program interface API.
- the touch sensor module TSM is switched to the infrared communication unit IR or Felica module FM. Then, turn off the power supply of the touch sensor module TSM, and immediately after that, close the infrared communication unit IR or Felica module FM and switch from the infrared communication unit IR or Felica to the touch sensor module TSM. This is when the power is turned on.
- the infrared communication unit IR, Felica module FM, and touch sensor module TSM are connected to the UART. Normally, the serial port of the touch sensor module TSM is open.
- the switching control unit SWCON switches the switching unit Switch to IR communication section IR or FeliCa module FM with SW.
- FIG. 10 is a sequence diagram of power ON / OFF control of the touch sensor module TSM.
- Touch sensor module The processing unit that performs TSM power ON / OFF control is the touch sensor driver (touch sensor control unit) TSD. That is, the touch sensor driver TS D performs power ON / OFF control of the touch sensor module TSM via the power controller PSCON.
- the key scan port driver KSP, radio application AP4, and sub-display unit display application API that detect the open / closed state of the chassis are called clients, and A, B, and C are assumed as clients.
- a timer is used to wait for 50 ms until the voltage of the touch sensor module TSM can drop.
- the touch sensor driver TSD displays the flag storage unit FLG (storage unit) of the base application BA.
- the permission / prohibition flag is updated to the prohibition flag, and the power is turned off.
- the 50 ms timer is started in order to enter the power OFF waiting state and wait for 50 ms. If an activation permission / prohibition request for the touch sensor module TSM is issued from each client before the timer times out, the actual processing is not performed and only the permission / prohibition flag is updated.
- Case 1 indicates that no activation permission / prohibition request has been made by another client.
- Case 2 indicates that a client who has requested activation prohibition issues an activation permission request.
- Case 3 indicates that a client that has requested activation prohibition has permitted activation. This is a case where another client makes a request to prohibit activation.
- the flag may be updated three times or more.
- the touch sensor driver TSD looks at the permission / prohibition flag. In case 1 and case 3, the last stored flag is the prohibition flag. Therefore, it is determined that the power is off and the power is turned off. In case 2, since all the clients are permitted, the power is turned on again and the power is turned on.
- FIG. 10 it further includes a flag storage unit FLG for storing a flag indicating that an activation permission request and an activation prohibition request are made during the power-off waiting state, and the touch sensor driver TSD.
- the activation permission request and the activation prohibition request for the touch sensor module TSM are satisfied by performing control based on the flag state last stored in the flag storage unit FLG.
- the touch sensor driver TSD receives a request for prohibiting the start of the touch sensor module TSM while the touch sensor module TSM is in the ON state or the transition state from the OFF state to the ON state. In this case, the transition operation to the power OFF state is controlled. If there is a start prohibition request while the power is on, calibration problems will not occur! /, So the operability is improved by immediately controlling the power off operation of the touch sensor module TSM. I am letting. In particular, when the activation prohibition request for the touch sensor module TSM is to turn on the FM radio, it is more effective because it can immediately suppress noise from entering the radio.
- the sensor element group has been described in the embodiment of the left and right arrangements, but it may be configured by two upper and lower groups.
- the description has been made with reference to a mobile phone terminal.
- a mobile wireless terminal other than a telephone a PDA (Personal Digital Assistance), a mobile game machine, a mobile audio player, a mobile video player,
- the present invention can be widely applied to portable electronic devices such as a portable electronic dictionary and a portable electronic book viewer.
- Some types of contact sensors use an indicator such as a dedicated pen other than a finger. The reason is also applicable to portable electronic devices equipped with such contact sensors.
- the touch sensor module TSM is configured to suppress the setting to the ON state and the calibration process in response to the activation permission request made when the touch sensor module TSM is transitioning from the ON state to the OFF state.
- the present invention is not limited to this.
- the touch sensor module TSM is set to the ON state and calibrated in response to the activation permission request made when the TSM is transitioning from the OFF state to the ON state. It may be configured to suppress processing.
- the force sensor module TSM is configured to suppress the setting to the ON state and the calibration process in response to the activation permission request made when the TSM is transitioning from the OFF state to the ON state. It is possible to suitably suppress the fact that the operation cannot be properly detected as it is not performed.
- the activation prohibition request force S for the touch sensor module TSM for example, the detection result of the key scan port driver KSP based on the movement of the housing from the closed state to the open state
- the activation permission request is For example, the detection result of the key scan port driver KSP based on the movement of the housing from the open state to the closed state.
- the present invention is not limited to this, for example, prohibition of activation for the touch sensor module TSM.
- Required force For example, the key scan port driver KSP detection result based on the movement of the enclosure from the open state to the closed state.
- the activation permission request is a key scan based on the movement of the enclosure from the closed state to the open state, for example.
- the operation force to the touch sensor module TSM can be moved from the closed state to the open state as long as it is disposed in the vicinity of the display unit 130 so as to be possible when the case is open.
- the touch sensor module TSM appears in an easy-to-operate part, the activation permission request S is triggered by the detection of the key scan port driver KSP based on the movement, and the touch sensor module TSM is calibrated, and ON state As a result, the operability is improved.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Function (AREA)
- Input From Keyboards Or The Like (AREA)
- Position Input By Displaying (AREA)
Description
Claims
Priority Applications (1)
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US12/441,332 US8583194B2 (en) | 2006-09-15 | 2007-09-14 | Electronic apparatus |
Applications Claiming Priority (2)
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JP2006250616A JP4578451B2 (ja) | 2006-09-15 | 2006-09-15 | 電子機器 |
JP2006-250616 | 2006-09-15 |
Publications (1)
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WO2008032832A1 true WO2008032832A1 (fr) | 2008-03-20 |
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PCT/JP2007/067974 WO2008032832A1 (fr) | 2006-09-15 | 2007-09-14 | Dispositif électronique |
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US (1) | US8583194B2 (ja) |
JP (1) | JP4578451B2 (ja) |
KR (1) | KR101069072B1 (ja) |
WO (1) | WO2008032832A1 (ja) |
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Also Published As
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US20100069129A1 (en) | 2010-03-18 |
US8583194B2 (en) | 2013-11-12 |
KR20090053959A (ko) | 2009-05-28 |
JP4578451B2 (ja) | 2010-11-10 |
JP2008071235A (ja) | 2008-03-27 |
KR101069072B1 (ko) | 2011-09-29 |
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