WO2010067923A1 - 퍽 타입의 포인팅 장치, 포인팅 시스템 및 포인팅 방법 - Google Patents
퍽 타입의 포인팅 장치, 포인팅 시스템 및 포인팅 방법 Download PDFInfo
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- WO2010067923A1 WO2010067923A1 PCT/KR2009/001297 KR2009001297W WO2010067923A1 WO 2010067923 A1 WO2010067923 A1 WO 2010067923A1 KR 2009001297 W KR2009001297 W KR 2009001297W WO 2010067923 A1 WO2010067923 A1 WO 2010067923A1
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- puck
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- movement
- moving
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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
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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
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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
-
- 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
- G06F3/03543—Mice or pucks
Definitions
- the present invention relates to a pointing device, a pointing system and a pointing method, and more particularly to a puck-type pointing device, a pointing system and a pointing method for quickly and accurately moving the position of a cursor on a display connected to the pointing device according to the position information of the puck. will be.
- Conventional pointing devices for adjusting the cursor position on the display include arrow keys, function keys, mice, trackballs, joysticks, touch screens, light pens, tablets to adjust cursor movement and select items or functions on the display. And other similar devices.
- a puck-type pointing device has recently been introduced into laptop computers and pocket devices, overcoming many of the limitations of other pointing devices.
- a puck-type pointing device is a compact disc-shaped device with a handle that can be manipulated by the user's finger movement within the puck's travel area.
- the puck's location within the puck's travel area is controlled using a variety of electrical, electromagnetic and optical technologies. It is detected and mapped to the cursor position on the display.
- an elastic device such as a set of springs, moves the puck to the center position within the movement area.
- the position of the puck and the pressure on the puck are determined by the electrodes of the device, the position information being transmitted to a host device connected to the pointing device with the puck and used to position the cursor on the display screen.
- the host device incorporates software that converts movement while the user's finger presses the puck into movement of the appropriate cursor on the device's display.
- FIG. 1 is a plan view of a general puck type pointing device 10, which is composed of a puck 11, a puck moving area 19, a spring 13, and a side portion 14 of the puck moving area.
- FIG. 2 is a cross-sectional view taken along line 1-2 of the general puck type pointing device 10 shown in FIG. 1, with the puck 11, the spring 13, the sides 14 of the puck moving region, and the substrate 17. , The user's finger 16.
- the puck 11 moves over the surface 12 of the substrate 17 in the puck movement region 19 in response to the lateral forces applied to it. This force is typically applied to the puck 11 by the user's finger 16.
- the puck 11 includes a pressure sensing mechanism that measures the vertical pressure applied to it, and the pointing device 10 includes a monitoring mechanism that measures the position of the puck 11 on the surface 12.
- the puck 11 When the user releases the finger 16 to release the pressure on the puck 11, the puck 11 is returned to the center position by a spring 13 that connects the puck to the side 14 of the puck movement zone. Therefore, in the joystick mode, which determines the moving speed of the cursor according to the moving distance of the puck 11, the operation of returning the puck 11 to the center position reduces the moving speed of the cursor.
- the conventional puck-type pointing device detects that the user's finger does not apply a vertical force to the puck 11 while the puck 11 returns, or a mechanical structure for preventing the movement of the cursor in the mouse mode.
- a pressure sensor was used, this mechanical structure had a problem of weak durability and slow response time.
- FIG. 3 is a plan view of a pointing device 10 for explaining a capacitive sensing method of detecting a position of a puck in a general puck type pointing device 10.
- the surface 50 and four surface electrodes 51-54 are shown in FIG. ), Consisting of electrodes of the puck.
- Surface 50 includes four surface electrodes 51-54 with connected terminals electrically connected to each other in an external circuit and the puck includes an electrode 55 virtually shown in the figure. These terminals are omitted for simplicity.
- the overlap between the puck's electrodes 55 and the respective surface electrodes 51-54 depends on the puck's position relative to the surface electrodes 51-54. Portions A-D overlapping surface electrodes 51-54 in the puck electrode 55 form a parallel plate capacitor having capacitance proportional to each overlapping area.
- the position of the puck electrode 55 relative to the surface electrodes 51-54 can be measured by measuring the capacitance between the puck electrode 55 and the respective surface electrodes 51-54.
- the operation mode of the pointing device includes a joystick mode in which a motion vector changes according to the moving distance and the direction of the puck, and a mouse mode in which the movement distance changes according to the moving distance and the direction of the puck.
- the current puck-type pointing device is faster and more accurate than the conventional pointing device in the portable electronic device industry, the pointing device is used only in the joystick mode in the structure where the puck is connected by the spring as shown in FIG.
- the cursor moved only as far as the puck traveled, and when the puck returned to its position, the cursor needed to stop at the moved position.
- FIG. 4 is a schematic block diagram of a puck-type pointing device according to the prior art, which includes a movement detecting unit 5 and a filter unit 15.
- the movement detecting unit 5 receives movement information of the puck from the contact object, detects whether the contact object is in contact with the pointing device, and detects the movement of the puck after contact, thereby delaying the movement detection signal m_det indicating a capacitance value by a predetermined time.
- the filter unit 15 receives the movement detection signal m_det delayed by a predetermined time from the movement detection unit 5 to filter out the noise, and outputs a puck movement signal mov.
- waveform 1 is a delayed motion detection signal m_det of 4 channels
- waveform 2 is a puck motion signal mov of 4 channels.
- the four channels are due to the difference in capacitance values measured by the overlap of the electrode 55 of the puck and the four surface electrodes 51-54 in FIG.
- the delayed movement detection signal m_det outputs a high level capacitance value with a predetermined time T1 with noise when the contact object touches the pointing device and moves the puck, and the touch object stops contacting the pointing device ( At a time point t1 after the predetermined time T1 has elapsed from t0, the noise transitions to a low level capacitance value and is output.
- time T1 is a delay time of the filter part (15 of FIG. 4).
- the puck movement signal mov outputs a high level capacitance value delayed by a predetermined time T1 when noise is removed when the contact object contacts the puck and moves the puck, and the point of time when the contact object stops contacting and moving the pointing device.
- a predetermined time T1 when noise is removed when the contact object contacts the puck and moves the puck
- the point of time when the contact object stops contacting and moving the pointing device At a time point t1 after the predetermined time T1 has elapsed from t0, the level is gradually decayed, and after a predetermined long time T2 is delayed, the signal is shifted to a low level capacitance value where noise is removed and output.
- the movement detecting unit 5 receives contact and movement with a certain pressure from the user's finger, which is the contact object, and the contact object moves by touching the puck. Detect.
- the filter unit 15 outputs the delayed movement detection signal m_det from the movement detection unit 5. Is applied to remove the noise by low pass filtering, and outputs the puck moving signal mov delayed by a predetermined time T1 having a high level capacitance value.
- the host device receives the high level puck movement signal mov from the filter unit 15 and moves the cursor on a display device such as a monitor according to the direction of movement of the puck.
- the movement detecting unit 5 recognizes that the pressure from the user's finger is reduced sharply, and the contact and movement of the contact object Detect that it has stopped.
- the filter unit 15 outputs the delayed movement detection signal m_det from the movement detection unit 5.
- Low pass filtering removes noise, attenuates while delaying a predetermined time T2, and outputs a puck movement signal mov having a low level capacitance value.
- the level of the puck movement signal mov does not transition to a low level at the boundary time t0 at which the contact object stops contacting and moving in the pointing device. Only after a predetermined time T2 is decayed and a predetermined time T2 is delayed, a low level capacitance value from which noise is removed is output.
- the difference in the four capacitance values in the delayed movement detection signal m_det and the puck movement signal mov is exactly four surface electrodes. This is because it is not located at the center of the field 51-54. This phenomenon may be caused by deterioration of the spring due to the long use of the puck.
- the time at which the puck returns by the spring 13 is smaller than the puck's travel time.
- the host device receives the low level puck movement signal mov from the filter unit 15 and does not move the cursor on the display device.
- the puck-type pointing device has to remove noise by using a predetermined filter part due to noise in contact and movement applied to the puck, even if the puck returns to its original position after moving the puck. Due to the time T1 delayed by the unit 15 and the characteristics of the filter output, it takes time T2 to decay the puck movement signal mov so that the time t0 at which the contact and movement of the puck is stopped is accurately corrected. It will not be detected.
- the puck floats so that the puck's contact increases capacitance, but the puck may be connected to ground voltage so that the noise of the movement detection signal m_det may be reduced during contact where cursor shaking is inevitable.
- a problem may occur in that the cursor moving according to the moving direction and the moving distance of the puck in the pointing device does not stop at the correct position at the point in time t0 of contacting and moving of the puck.
- An object of the present invention is to provide a puck-type pointing device that allows the cursor to stop at the correct position when the puck stops contacting and moving when the cursor moves only as far as the puck moves and returns to its original position.
- Another object of the present invention is to provide a pointing system having the puck-type pointing device for achieving the above object.
- Another object of the present invention is to provide a pointing method of the puck-type pointing device for achieving the above object.
- the puck-type pointing device for achieving the above object is a movement detecting unit for outputting a movement detection signal by detecting the information moved by the contact object in contact with the puck, filtered by receiving a movement detection signal to filter the noise
- a first filter unit for removing the first puck moving signal delayed for a first time and receiving the filtered motion detection signal to remove noise by filtering the moving detection signal, and a second time delayed second puck moving signal for outputting a second time delay smaller than the first time
- a puck moving signal transmitting unit for transmitting or blocking the first puck moving signal according to the information moved in response to the second puck moving signal.
- the puck-type pointing system for achieving the above object detects the information moved by the contact object in contact with the puck, filter by varying the delay time, and transfer the first puck movement signal according to the moved information or Pointing device of the puck type to block, a host device that outputs a cursor control signal by calculating the direction and distance of movement of the puck in response to the first puck movement signal, and moves the cursor only as far as the puck moves in response to the cursor control signal And a display device which stops the cursor at the exact time when the puck is stopped when the puck is returned to its original position.
- the puck-type pointing method for achieving the above object detects the information moved by the contact object in contact with the puck and outputs a movement detection signal, the movement detection signal is applied to filter the noise
- the puck-type pointing device, the pointing system and the pointing method according to the present invention make it easy to find the exact time when the puck of the contact object stops contacting and moving when the puck is moved and the contact object is dropped from the puck and returned to its place. This prevents the pointing device from malfunctioning due to the continuous movement of the cursor.
- FIG. 1 is a plan view of a general puck type pointing device 10.
- FIG. 2 is a cross-sectional view taken along line 1-2 shown in the general puck type pointing device 10 shown in FIG. 1.
- FIG 3 is a plan view of the pointing device 10 for explaining a capacitive sensing method for detecting the position of the puck in the general puck-type pointing device 10.
- FIG. 4 is a schematic block diagram of a puck type pointing device according to the prior art.
- FIG. 5 is an operation waveform diagram of a puck type pointing device according to the related art of FIG. 4.
- FIG. 6 is a schematic block diagram of a puck-type pointing device according to the present invention.
- FIG. 7 is a schematic block diagram of a pointing system with a puck type pointing device according to the present invention shown in FIG. 6.
- FIG. 8 is an operation waveform diagram of a puck-type pointing device according to the present invention shown in FIG.
- FIG. 9 is a cross-sectional view taken along line 1-2 shown by applying another embodiment of the present invention to the puck type pointing device 10 shown in FIG. 1.
- FIG. 6 is a schematic block diagram of a puck-type pointing device according to the present invention, including a movement detecting unit 120, first and second filter units 140 and 160, a puck movement determining unit 180, and a switching unit ( 150).
- the movement detecting unit 120 receives the puck's contact and movement from the contact object and detects whether the contact object is in contact with the puck, and afterwards, detects the movement direction and the movement distance of the puck to generate a movement detection signal m_det indicating the capacitance value.
- the first filter unit 140 receives the movement detection signal m_det delayed by the predetermined time from the movement detection unit 120 to filter out the noise and outputs the first puck movement signal mov1 delayed by the first time.
- the second filter unit 160 receives the movement detection signal m_det from the movement detection unit 120 to filter out the noise, and outputs a second time delayed puck movement signal mov2 that is less than the first time. .
- the first and second filter units 140 and 160 may use a digital filter such as an IIR filter or an FIR filter having the same amplitude characteristic and different delay time characteristics.
- the IIR filter has a large delay time.
- the FIR filter has a small delay time, and in the same digital filter, the lower the order, the larger the delay time, and the higher the order, the smaller the delay time.
- the first filter unit 140 may be implemented as a second order IIR filter
- the second filter unit 160 may be implemented as a third order FIR filter.
- the puck movement determination unit 180 receives the second puck movement signal mov2 from the second filter unit 160 and in response to the output of the first filter unit 140 according to whether or not the contact object is in contact with the puck. Outputs a filter output cutoff signal (FT_off) that blocks.
- FT_off filter output cutoff signal
- the switching unit 150 transmits or blocks the output of the first filter unit 140 in response to the filter output blocking signal FT_off from the puck movement determining unit 180.
- the switching unit 150 may be implemented not only in logic circuits in hardware but also in software.
- FIG. 7 is a schematic block diagram of a pointing system having a puck-type pointing device according to the present invention shown in FIG. 6, which includes a puck-type pointing device 100, a host device 200, and a display device 300. do.
- the puck-type pointing device 100 senses the information moved by contacting the contact object with the puck, filters the delay time with different delays, and transmits or blocks the first puck moving signal according to the moved information.
- the host device 200 calculates a moving direction and a moving distance of the puck in response to the first puck moving signal and outputs a cursor control signal c_cur.
- the display apparatus 300 moves the cursor only as far as the puck moves in response to a cursor control signal c_cur, and stops the cursor at the exact time when the puck is stopped when the puck returns to its original position.
- the moving distance of the cursor coincides with the moving distance of the puck, but it can be applied to a mathematical element related to the moving speed of the puck. This is similar to a mouse driver, for example, a mathematical factor that increases in proportion to the distance the puck travels.
- FIG. 8 is an operation waveform diagram of the pointing device of the puck type according to the present invention shown in FIG. 6, in which waveform (1) is a delayed motion detection signal (m_det) of four channels, and waveform (2) is a first puck movement of four channels.
- Signal mov1 and waveform 3 represent a second puck movement signal mov2 of four channels.
- the four channels are due to the difference in capacitance values measured by the overlap of the electrode 55 of the puck and the four surface electrodes 51-54 in FIG.
- the delayed movement detection signal m_det outputs a high-level capacitance value with a predetermined time delay when the contact object moves in contact with the puck and a time elapsed from when the contact object stops contact and movement in the puck. At t0, the noise is shifted to a low level capacitance value and outputted.
- the first puck movement signal mov1 outputs a capacitance value of a delayed high level at a predetermined time T1 when noise is removed when the contact object moves in contact with the puck and stops contact and movement in the puck ( At a time point t2 after the predetermined time T2 has elapsed from t1, the level is gradually decayed, and after a predetermined long time T2 is delayed, the signal transitions to a low level capacitance value from which noise is removed.
- time T1 is a delay time of the 1st filter part (140 of FIG. 6).
- the second puck movement signal mov2 outputs a high level capacitance value from which noise is removed after a predetermined time T3 is delayed when the contact object moves in contact with the puck, and the contact object stops contact and movement in the puck.
- T3 time T3 is the delay time of the 2nd filter part 160 of FIG.
- the movement detector 120 When the user touches and moves the puck in the pointing device by using a finger, the movement detector 120 receives contact and movement with a constant pressure from the user's finger, which is the contact object, and the contact object moves by contacting the puck. As it detects, the movement detector 120 outputs a movement detection signal m_det of four channels having a high level capacitance value mixed with noise.
- m_det a movement detection signal
- the four-channel movement detection signal m_det is a waveform output of the capacitance outputs of the four surface electrodes 51-54 of FIG. 3 to four touch channels, and has a high level of noise when the puck is touched and moved.
- the capacitance value detected by the electrodes of the puck and the four surface electrodes 51-54 is all reduced to output a low level capacitance value with almost no noise.
- the first filter unit 140 receives the movement detection signal m_det delayed by the predetermined time T1 from the movement detection unit 120 to remove noise by low pass filtering and to perform a first time having a high level capacitance value. T1) Output the delayed first puck movement signal mov1.
- the second filter unit 160 receives the movement detection signal m_det from the movement detection unit 120 to remove noise by performing low pass filtering, and delays the second puck with a second time T3 having a high level capacitance value.
- the movement signal mov2 is output.
- the puck movement determining unit 180 receives the second puck movement signal mov2 having a high level from the second filter unit 160 and determines that the user's finger is in contact with and moves.
- the filter output cutoff signal FT_off is output at a low level to transmit an output, and the switching unit 150 receives a low level filter output cutoff signal FT_off from the puck movement determining unit 180 and responds thereto in response thereto.
- the output of the filter unit 140 is transmitted.
- the host device receives a high level first puck movement signal mov1 from the switching unit 150 to move a cursor on a display device such as a monitor according to the movement direction and the movement distance of the puck.
- the movement detecting unit 120 recognizes that the pressure from the user's finger has been abruptly reduced and detects that the contact and movement of the contact object are interrupted.
- the motion detection signal m_det of four channels having a low level capacitance value mixed with noise is delayed and outputted by a predetermined time T1.
- the first filter unit 140 receives the movement detection signal m_det delayed by the predetermined time T1 from the movement detection unit 120 to remove noise by low pass filtering, and attenuates the signal by delaying the first time T2.
- the first puck movement signal mov1 having a capacitance value of a level is output, and the second filter unit 160 receives the movement detection signal m_det from the movement detection unit 120 to perform low pass filtering to perform a first time. Attenuates while delaying the second time T3 smaller than T2 to remove noise, and outputs a second puck movement signal mov2 having a low level capacitance after a predetermined time T4 is delayed.
- the level of the second puck movement signal mov2 is increased after a predetermined time T3 is delayed at the boundary time t0 at which the contact object stops contacting and moving in the puck.
- the conventional puck type pointing device outputs a low level capacitance value from which noise is removed after a second time T4 shorter than the first time T2 is delayed.
- the puck movement determination unit 180 receives the low level second puck movement signal mov2 from the second filter unit 160 and determines that the user's finger has stopped contacting and moving.
- the filter output cutoff signal FT_off is output at a high level to block the output of the signal. In this case, the contact and movement interruption of the finger should be determined at a time less than or equal to the predetermined time T1.
- the switching unit 150 blocks the output of the first filter unit 140 in response to the high level filter output cutoff signal FT_off from the puck movement determining unit 180, and the host device is configured to remove the output from the switching unit 150. Since the 1 puck moving signal mov1 is not received, the cursor on the display device is stopped without moving any more.
- FIG. 9 is a cross-sectional view taken along line 1-2 showing another embodiment of the present invention applied to the puck type pointing device 10 shown in FIG. 1, wherein the puck 11, spring 13, side of the puck moving area are shown in FIG. 14, surface electrodes 53 and 54, a first substrate 17, a dome switch 18, and a second substrate 20.
- the puck 11 moves over the surface 12 of the substrate 17 within the puck movement region 19 in response to the lateral force applied to it, and the user releases the finger 16 to the puck 11.
- the operation of returning to the center position by the spring 13 connecting the puck to the side portion 14 of the puck moving area is the same as that of the general puck type pointing device 10 shown in FIG.
- the input signal applied from the dome switch 18 of the second filter unit 160 of FIG. 6 is an analog value, it is implemented as a peak detector. If the input signal applied from the dome switch 18 is a digital value, there is a difference that an accumulator structure accumulates the value a plurality of times.
- the filtered value is compared with the threshold value specified by the puck movement determining unit 180.
- the delay time between the second filter unit 160 and the puck movement determining unit 180 is also determined by the first filter unit ( 140) is set smaller than the delay time.
- the cursor moves only as far as the puck moves, and the user releases the finger so that the puck is in place.
- the time required for the contact signal to be attenuated is shorter than in the prior art, so that it is easy to find the exact time t0 at which the contact object stopped contacting and moving the puck. It is possible to operate the mouse mode which is stopped at the correct position at the time point t0.
- the puck-type pointing device, the pointing system, and the pointing method according to the present invention may be applied to the proximity sensing unit that outputs a proximity sensing signal indicating a capacitance value.
- the operation is described based on the case where there is elasticity between the puck and the lower surface electrodes.
- the ambient noise induced by the finger is lowered. It is natural that the puck-type pointing device, the pointing system, and the pointing method according to the present invention can be applied because the same thing is induced in the electrodes.
- the movement of the puck is described only as a structure for measuring the change in capacitance, but it is obvious that the structure can be implemented in various structures such as a structure for sensing a magnetic field or a structure for sensing and measuring an RF-coupled electric field.
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Abstract
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Claims (14)
- 접촉 물체가 퍽에 접촉하여 이동한 정보를 감지하여 이동 감지 신호를 출력하는 이동 감지부;상기 이동 감지 신호를 인가받아 필터링하여 노이즈를 제거하고 제1 시간 지연된 제1 퍽 이동 신호를 출력하는 제1 신호 처리부;상기 이동 감지 신호를 인가받아 필터링하여 노이즈를 제거하고 상기 제1 시간보다 작은 제2 시간 지연된 제2 퍽 이동 신호를 출력하는 제2 신호 처리부;상기 제2 퍽 이동 신호에 응답하여 상기 이동한 정보에 따라 상기 제1 퍽 이동 신호를 전달하거나 차단하는 퍽 이동 신호 전달부를 구비하는 것을 특징으로 하는 퍽 타입의 포인팅 장치.
- 제1항에 있어서,상기 퍽 이동 신호 전달부는상기 제2 퍽 이동 신호에 응답하여 상기 제1 퍽 이동 신호를 전달하는 경우에는 하이 레벨의 상기 필터 출력 차단 신호를 출력하고, 상기 제1 퍽 이동 신호를 차단하는 경우에는 로우 레벨의 상기 필터 출력 차단 신호를 출력하는 퍽 이동 판단부;상기 필터 출력 차단 신호에 응답하여 상기 제1 퍽 이동 신호를 전달하거나 차단하는 스위칭부를 구비하는 것을 특징으로 하는 퍽 타입의 포인팅 장치.
- 제1항에 있어서,상기 제1 및 제2 신호 처리부는진폭 특성이 동일한 디지털 필터를 사용할 수 있는 것을 특징으로 하는 퍽 타입의 포인팅 장치.
- 제1항에 있어서,상기 이동 감지부는근접 물체가 상기 퍽에 근접되었는지 여부 를 감지하여 상기 커패시턴스 값을 나타내는 근접 감지 신호를 출력하는 근접 감지부일 수 있는 것을 특징으로 하는 퍽 타입의 포인팅 장치.
- 접촉 물체가 퍽에 접촉하여 이동한 정보를 감지하여 지연 시간을 달리하여 필터링하고 상기 이동한 정보에 따라 제1 퍽 이동 신호를 전달하거나 차단하는 퍽 타입의 포인팅 장치;상기 제1 퍽 이동 신호에 응답하여 상기 퍽의 이동 방향 및 이동 거리를 계산하여 커서 제어 신호를 출력하는 호스트 장치;상기 커서 제어 신호에 응답하여 상기 퍽 이 이동하는 거리만큼만 상기 커서를 이동시키고 상기 퍽이 원 위치로 복귀되었을 때 상기 퍽의 이동이 중단된 정확한 시점에 상기 커서를 정지시키는 디스플레이 장치를 구비하는 것을 특징으로 하는 퍽 타입의 포인팅 시스템.
- 제5항에 있어서,상기 퍽 타입의 포인팅 장치는접촉 물체가 상기 퍽에 접촉하여 이동한 정보를 감지하여 이동 감지 신호를 출력하는 이동 감지부;상기 이동 감지 신호를 인가받아 필터링하여 노이즈를 제거하고 제1 시간 지연된 상기 제1 퍽 이동 신호를 출력하는 제1 신호 처리부;상기 이동 감지 신호를 인가받아 필터링하여 노이즈를 제거하고 상기 제1 시간보다 작은 제2 시간 지연된 제2 퍽 이동 신호를 출력하는 제2 신호 처리부;상기 제2 퍽 이동 신호에 응답하여 상기 이동한 정보에 따라 상기 제1 퍽 이동 신호를 전달하거나 차단하는 퍽 이동 신호 전달부를 구비하는 것을 특징으로 하는 퍽 타입의 포인팅 시스템.
- 제6항에 있어서,상기 퍽 이동 신호 전달부는상기 제2 퍽 이동 신호에 응답하여 상기 제1 퍽 이동 신호를 전달하는 경우에는 하이 레벨의 상기 필터 출력 차단 신호를 출력하고, 상기 제1 퍽 이동 신호를 차단하는 경우에는 로우 레벨의 상기 필터 출력 차단 신호를 출력하는 퍽 이동 판단부;상기 필터 출력 차단 신호에 응답하여 상기 제1 퍽 이동 신호를 전달하거나 차단하는 스위칭부를 구비하는 것을 특징으로 하는 퍽 타입의 포인팅 시스템.
- 제6항에 있어서,상기 제1 및 제2 신호 처리부는진폭 특성이 동일한 디지털 필터를 사용할 수 있는 것을 특징으로 하는 퍽 타입의 포인팅 시스템.
- 제6항에 있어서,상기 이동 감지부는근접 물체가 상기 퍽에 근접되었는지 여부 를 감지하여 상기 커패시턴스 값을 나타내는 근접 감지 신호를 출력하는 근접 감지부일 수 있는 것을 특징으로 하는 퍽 타입의 포인팅 시스템.
- 제5항에 있어서,상기 호스트 장치는상기 제1 퍽 이동 신호가 하이 레벨로 인가되는 경우에는 상기 커서를 상기 퍽의 이동 방향 및 이동 거리에 따라 이동시키고,상기 제1 퍽 이동 신호가 로우 레벨로 인가되는 경우에는 상기 커서를 이동시키지 않고 정지시키는 것을 특징으로 하는 퍽 타입의 포인팅 시스템.
- 접촉 물체가 퍽에 접촉하여 이동한 정보를 감지하여 이동 감지 신호를 출력하는 이동 감지 단계;상기 이동 감지 신호를 인가받아 필터링하여 노이즈를 제거하고 제1 시간 지연된 제1 퍽 이동 신호를 출력하는 제1 신호 처리 단계;상기 이동 감지 신호를 인가받아 필터링하여 노이즈를 제거하고 상기 제1 시간보다 작은 제2 시간 지연된 제2 퍽 이동 신호를 출력하는 제2 신호 처리 단계;상기 제2 퍽 이동 신호에 응답하여 상기 이동한 정보에 따라 상기 제1 퍽 이동 신호를 전달하거나 차단하는 퍽 이동 신호 전달 단계를 구비하는 것을 특징으로 하는 퍽 타입의 포인팅 방법.
- 제11항에 있어서,상기 퍽 이동 신호 전달 단계는상기 제2 퍽 이동 신호에 응답하여 상기 제1 퍽 이동 신호를 전달하는 경우에는 하이 레벨의 상기 필터 출력 차단 신호를 출력하고, 상기 제1 퍽 이동 신호를 차단하는 경우에는 로우 레벨의 상기 필터 출력 차단 신호를 출력하는 퍽 이동 판단 단계;상기 필터 출력 차단 신호에 응답하여 상기 제1 퍽 이동 신호를 전달하거나 차단하는 스위칭 단계를 구비하는 것을 특징으로 하는 퍽 타입의 포인팅 방법.
- 제11항에 있어서,상기 접촉 감지 단계는근접 물체가 상기 퍽에 근접되었는지 여부 를 감지하여 상기 커패시턴스 값을 나타내는 근접 감지 신호를 출력하는 근접 감지 단계일 수 있는 것을 특징으로 하는 퍽 타입의 포인팅 방법.
- 제11항에 있어서,상기 제1 및 제2 신호 처리 단계는진폭 특성이 동일한 디지털 필터를 사용할 수 있는 것을 특징으로 하는 퍽 타입의 포인팅 방법.
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CN2009801479383A CN102227700A (zh) | 2008-12-08 | 2009-03-16 | 橡皮圆盘型指针装置、指针系统以及指针方法 |
US13/128,794 US20110227823A1 (en) | 2008-12-08 | 2009-03-16 | Puck-type pointing apparatus, pointing system, and pointing method |
JP2011538538A JP2012510663A (ja) | 2008-12-08 | 2009-03-16 | パックタイプのポインティング装置、ポインティングシステム及びポインティング方法 |
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KR1020080124143A KR101014426B1 (ko) | 2008-12-08 | 2008-12-08 | 퍽 타입의 포인팅 장치, 포인팅 시스템 및 포인팅 방법 |
KR10-2008-0124143 | 2008-12-08 |
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JP (1) | JP2012510663A (ko) |
KR (1) | KR101014426B1 (ko) |
CN (1) | CN102227700A (ko) |
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EP2568369A1 (de) * | 2011-09-08 | 2013-03-13 | fm marketing gmbh | Gerät zur Auswahl von Multimedia-Informationen |
WO2013052005A2 (en) * | 2011-10-07 | 2013-04-11 | Quek Joo Hai | A self-centering input device |
US20150205381A1 (en) * | 2014-01-17 | 2015-07-23 | Nvidia Corporation | Mobile gaming controller with integrated virtual mouse |
US9904459B2 (en) | 2015-03-23 | 2018-02-27 | Nvidia Corporation | Control device integrating touch and displacement controls |
CN108054457B (zh) * | 2018-01-17 | 2023-08-15 | 华霆(合肥)动力技术有限公司 | 电池安全监控设备及方法 |
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TW201022991A (en) | 2010-06-16 |
KR20080114663A (ko) | 2008-12-31 |
US20110227823A1 (en) | 2011-09-22 |
JP2012510663A (ja) | 2012-05-10 |
KR101014426B1 (ko) | 2011-02-15 |
CN102227700A (zh) | 2011-10-26 |
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