CN104007824B - Equipment and method of using active circular shell as input device - Google Patents
Equipment and method of using active circular shell as input device Download PDFInfo
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- CN104007824B CN104007824B CN201410255837.0A CN201410255837A CN104007824B CN 104007824 B CN104007824 B CN 104007824B CN 201410255837 A CN201410255837 A CN 201410255837A CN 104007824 B CN104007824 B CN 104007824B
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Abstract
The invention relates to an input device and method thereof, specially refers to an equipment and method for of using active circular shell as input device, and belongs to the technical field of input device. According to the technical scheme of the invention, the equipments of using active circular shell as input device include active outside shell relative to the support body, which is installed on the support body, photoelectric sensor which can obtain active information in the irradiation area of sensor on the outside shell, the photoelectric sensor connected with microprocessor; photoelectric sensor can transmit the active information in the irradiation area of sensor to microprocessor, and according to the active information the microprocessor affirms the input information engendered by activity of outsider shell relative to support body. The invention has the advantages of compact structure, and can improve input experience for user and the reliability of input recognition.
Description
Technical field
The present invention relates to a kind of input equipment and method, especially a kind of circular housing by the use of activity is used as input equipment
Apparatus and method, belong to the technical field of input equipment.
Background technology
As technology develops, the function of smart machine is stronger and stronger, and Consumer's Experience is become better and better.For an intelligence sets
For standby, Consumer's Experience is mainly reflected in the interface with user mutual and realizes in the design of function.And interactive interface conduct
The part directly contacted with user, is a particularly significant factor for affecting Consumer's Experience.Good interaction is designed at present
Interface generally includes key-press input and images outputting.And key-press input be in man machine interface requisite ingredient it
One.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided it is a kind of by the use of activity circular housing as
The apparatus and method of input equipment, its compact conformation can improve user input experience, improve the reliability of input identification.
According to the technical scheme that the present invention is provided, device of the circular housing by the use of activity as input equipment, bag
Include on supporter and can relatively described supporter activity shell and the sensor irradiated region of the shell can be obtained
The photoelectric sensor of action message, the photoelectric sensor are connected with microprocessor；Photoelectric sensor can will obtain sensor and shine
The action message for penetrating area is transmitted to microprocessor, and microprocessor is confirmed using shell relative support body according to the action message
The input information that activity is produced.
The shell is arranged in the outward appearance supporting construction of shell in cylinder, the sensor irradiated region of shell, sensor
Irradiated region is located at the inner or outer side of outward appearance supporting construction, and the shape of sensor irradiated region includes annular or bar shaped.
The shell drives sensor irradiated region to include rotation or push-and-pull relative to the activity of supporter.
The photoelectric sensor include for launch light light source emitter and receive the reflection of sensor irradiated region or
The light receiver of transmitted ray.
The light receiver includes twin-channel photoelectric encoder, and twin-channel photoelectric encoder exports two-way phase
Potential difference is 90 ° of activity detection signal.
The microprocessor includes input processing module and signal processing module；Input processing module is by two-way phase contrast
It is that 90 ° of activity detection signal is converted to activity detection digital signal, signal processing module is by the change of activity detection digital signal
Change maximum to compare with given threshold, to determine whether operation housing；
When signal processing module determines operation housing, signal processing module is to activity detection that two-way phase contrast is 90 °
Signal carry out period ratio compared with, and according to the cycle fiducial value of the two-way activity detection signal determine shell activity produce input
Information.
The given threshold for activity detection digital signal change maximum 1/4 ~ 1/2；Signal processing module 20ms ~
In the time period of 500ms, compare the phase relation of two paths of signals, to count positive phase difference number of cycles and negative phase difference cycle
Number；Signal processing module using statistical value in positive phase difference number of cycles, negative phase difference number of cycles big as statistical result,
Signal processing module determines the input information that shell activity is produced according to the statistical result.
A kind of method of circular housing by the use of activity as input equipment, shell are arranged on supporter and can relative institutes
Supporter activity is stated, and the sensor irradiated region for shell being obtained using photoelectric sensor is followed produced by the activity of shell relative support body
Action message, photoelectric sensor can transmit the action message for obtaining sensor irradiated region to microprocessor, microprocessor root
According to the input information that the action message confirms to produce using the activity of shell relative support body.
The photoelectric sensor include for launch light light source emitter and receive the reflection of sensor irradiated region or
The light receiver of transmitted ray；
The light receiver includes twin-channel photoelectric encoder, and twin-channel photoelectric encoder exports two-way phase
Potential difference is 90 ° of activity detection signal；
The microprocessor includes input processing module and signal processing module；Input processing module is by two-way phase contrast
It is that 90 ° of activity detection signal is converted to activity detection digital signal, signal processing module is by the change of activity detection digital signal
Change maximum to compare with given threshold, to determine whether operation housing；
When signal processing module determines operation housing, signal processing module is to activity detection that two-way phase contrast is 90 °
Signal carry out period ratio compared with, and according to the cycle fiducial value of the two-way activity detection signal determine shell activity produce input
Information.
The given threshold for activity detection digital signal change maximum 1/4 ~ 1/2；Signal processing module 20ms ~
In the time period of 500ms, compare the phase relation of two paths of signals, to count positive phase difference number of cycles and negative phase difference cycle
Number；Signal processing module using statistical value in positive phase difference number of cycles, negative phase difference number of cycles big as statistical result,
Signal processing module determines the input information that shell activity is produced according to the statistical result.
Advantages of the present invention：Shell is assemblied on supporter, is used as input channel by producing relative motion with supporter,
Photoelectric sensor can transmit the action message for obtaining sensor irradiated region to microprocessor, and microprocessor is according to the activity letter
Breath confirms the input information produced using the activity of shell relative support body, both with mechanically operated texture, avoids again introducing
The mechanicalness noise of contact, service life are also long than standard machinery formula, hence it is evident that improve Consumer's Experience.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of shell of the present invention.
Fig. 3 is the cooperation schematic diagram of photoelectric sensor of the present invention and the sensor irradiated region of shell.
Fig. 4 is the schematic diagram that light receiver of the present invention exports two-way activity detection signal.
Fig. 5 is the structural representation of microprocessor of the present invention.
Fig. 6 is the workflow diagram of the present invention.
Description of reference numerals：10- shells, 11- supporters, 12- photoelectric sensors, 13- microprocessors, 101- outward appearances are supported
Structure, 102- sensors irradiated region, 121- light source emitters, 122- light receivers, 131- input processing modules, 132- signals
Processing module, the second photoelectric encoder of the first photoelectric encoders of 1221- and 1222-.
Specific embodiment
With reference to concrete drawings and Examples, the invention will be further described.
At present, the form of input equipment is varied, wherein conventional is to use mechanical key, such as spring leaf, metal dome
Deng.Mechanical key is generally by the two electric installations and elastic mechanism composition for being mutually insulated under normal circumstances, outer when receiving
During boundary's strength, elastic mechanism deformation, the two of mutually insulated electric installation contact before, UNICOM, then outer treatment circuit can
To capture this electric change, input action is obtained.
Although the cost of existing machinery button is very low, also there are many significantly problems.Such as by hitting restricted lifetime, account for knot
Conformational space is larger, have gimp, while Consumer's Experience is more general.So mechanical key be generally used in cannot with other by
The occasion that key replaces, such as on and off switch.And splendid Consumer's Experience is needed, generally do not use mechanical key.
Additionally, also Jing is frequently with another kind of input technology at present：Touch input, the touch input include capacitance touch or
Resistive touch.Both is better than conventional keys, especially capacitive touch technology in experience, it is already possible to realize monoblock electric capacity
Touch screen, and detached capacitance touch button.Capacitive touch technology is that using two sides conductive layer, the electric capacity of formation is checking input
Action；When user's finger or body are near screen or button, capacitance can change, and detect this using special circuit
Partial information, you can to obtain input action.
, compared with mechanical key, advantage is apparent for touching technique.But problem is also used, such as between conductive layer
Capacitance it is easily affected by environment, can introduce certain unreliable.Other touch input technology, no mechanical mechanism are having
It is a little be input in the case of, Consumer's Experience deviation on the contrary shows as：There is delay etc. without feel, action recognition.These are all to touch
The problem that technology is more or less present
As shown in Figure 1：In order to be able to improve user input experience, the reliability of input identification is improved, the present invention includes installing
On supporter 11 and can relatively described 11 activity of supporter shell 10 and can obtain the shell 10 sensor irradiation
The photoelectric sensor 12 of 102 action message of area, the photoelectric sensor 12 are connected with microprocessor 13；Photoelectric sensor 12 can be by
The action message for obtaining sensor irradiated region 102 is transmitted to microprocessor 13, and microprocessor 13 is confirmed according to the action message
The input information produced using the activity of 10 relative support body 11 of shell.
Specifically, supporter 11 is in non-movable state all the time, and supporter 11 can be the external shell of equipment, also may be used
To be the printed circuit board (PCB) for being assemblied in inside, photoelectric sensor 12, microprocessor 13 are generally all propped up with non-movable
There is between support body 11 fixed position relationship, or have fixed assembly relation.
As shown in Fig. 2 the shell 10 is in cylinder, the sensor irradiated region 102 of shell 10 is arranged on the outer of shell 10
See in supporting construction 101, sensor irradiated region 102 is located at the inner or outer side of outward appearance supporting construction 101, sensor irradiated region
102 shape includes annular or bar shaped.The shell 10 drives sensor irradiated region 102 to include relative to the activity of supporter 11
Rotation or push-and-pull.
Shell 10 is overall in cylinder, the circular in cross-section of shell 10, and shell 10 at least includes outward appearance supporting construction 101
And sensor irradiated region 102, the shape of enclosure support structure 101 is consistent with the shape of shell 10, and shell 10 passes through outward appearance
Supporting construction 101 is assembled with supporter 11, and the assembly relation between shell 10 and supporter 11 can be according to practical application
Need determining, the activity between shell 10 and supporter 11 can be rotation or the one kind in push-and-pull, or other shapes
Formula.When produce between shell 10 and supporter 11 rotation or push-and-pull it is movable when, microprocessor 13 can be to movable concrete shape
Formula is identified confirming, and obtains corresponding input information.
Sensor irradiated region 102, is the main structure body of the participation action recognition of shell 10, and major function is to improve photoelectricity
The conversion efficiency of sensor 12, becomes apparent from the signal characteristics that the input action of user is changed into.The spinning movement of user,
Push pull maneuver or other activities, drive sensor irradiated region 102 movable by outward appearance supporting construction 101, make sensor irradiated region
102 changes relative with the appearance of the position of photoelectric sensor 12, this change can be embodied in the output of photoelectric sensor 12.
In the specific implementation, sensor irradiated region 102 generally adopts gate hole structure, and the reflection or transmission to light can form light and dark
Region, such as optical code disk, light code-bar etc., this form is best mode to the changing effect of photoelectric sensor 12.Sensor
The position of irradiated region 102 be able to can be circular layout on the inside or outside of shell 10, and the bar shaped arrangement of other modes, tool may also be employed
Body depends on user action to be recognized.
As shown in Figure 3 and Figure 4, the photoelectric sensor 12 is included for launching the light source emitter 121 of light and connecing
Receive sensor irradiated region 102 reflect or transmitted ray light receiver 122.
The light receiver 122 includes twin-channel photoelectric encoder, twin-channel photoelectric encoder output two
Road phase contrast is 90 ° of activity detection signal.
In the embodiment of the present invention, light source emitter 121 is the reception that can improve light receiver 122, and light connects
Receiving device 122 has corresponding requirements to the wavelength and intensity of incident ray, using light source emitter 121, can make light receiver 122
Reach preferable using effect.Light source emitter 121, the structure of light receiver 122 and principle are those skilled in the art institute
Know, here is omitted.
The light that light source emitter 121 sends enters into light receiver through the reflection or transmission of sensor irradiated region 102
In device 122, light receiver 122 can be changed to the optical signal for receiving, and export the signal changed according to light intensity
Waveform.Light receiver 122 can receive the light of diverse location comprising multiple photoelectric encoders.Light receiver 122 is usual
Using twin-channel photoelectric encoder, the light signal of two diverse locations can be converted to two paths of signals output.Two-way is defeated
Go out and in signal, contain the information that can extract out user operation action, it is generally the case that the phase contrast of two paths of signals is ± 90 degree,
But this kind of situation is not limited to when being embodied as.Dual channel optoelectronic encoder bag when being embodied as, in light receiver 122
The first photoelectric encoder 1221 and the second photoelectric encoder 1222 are included, by the first photoelectric encoder 1221, and the second photoelectricity
Encoder 1222 can obtain the activity detection signal that two-way phase contrast is 90 ° exporting two paths of signals.
As shown in figure 5, the microprocessor 13 includes input processing module 131 and signal processing module 132；Input
The activity detection signal that two-way phase contrast is 90 ° is converted to activity detection digital signal, signal processing module by reason module 131
The change maximum of activity detection digital signal is compared by 132 with given threshold, to determine whether operation housing 10；
When signal processing module 132 determines operation housing 10, signal processing module 132 is 90 ° to two-way phase contrast
Activity detection signal carries out period ratio compared with and determining that shell 10 is movable according to the cycle fiducial value of the two-way activity detection signal
The input information of generation.
The given threshold for activity detection digital signal change maximum 1/4 ~ 1/2；Signal processing module 132 exists
In the time period of 20ms ~ 500ms, compare the phase relation of two paths of signals, to count positive phase difference number of cycles and minus phase
Difference number of cycles；Signal processing module 132 using it is statistical value in positive phase difference number of cycles, negative phase difference number of cycles big as
Statistical result, signal processing module 132 determine the input information that 10 activity of shell is produced according to the statistical result.
In the embodiment of the present invention, input processing module 131 is realized for the analogue signal of photoelectric sensor becoming digital signal,
Activity detection digital signal is obtained.Converting analog signals into digital signal method may include ADC（Analog digital conversion）Deng, wherein
The process steps such as amplification, filtering, stopping direct current are potentially included, the process step is known to those skilled in the art, herein not
Repeat again.
The activity detection digital signal of 132 pairs of acquisitions of signal processing module is processed, described that activity detection numeral is believed
Number process mainly include Amplitude Estimation, phase estimation.Whether signal processing module 132 judges the activity detection digital signal
When producing for 10 relative support body of operation housing, 11 activity, signal processing module 132 can be obtained by given threshold, specifically
Ground, maximum of the signal processing module 132 by continuous follow-up investigations activity detection digital signal change, by the 1/ of this maximum
4 ~ 1/2 used as threshold value, during more than this amplitude, assert that user starts operation housing 10.Once user starts operation housing, at signal
Reason module 132 starts to enter line phase to the activity detection digital signal of two-way and compares.In the embodiment of the present invention, predetermined threshold is preferred
For the 1/3 of activity detection digital signal change maximum.
In the embodiment of the present invention, signal processing module 132 is needed to activity detection when the action message of shell 10 is judged
Digital signal carries out zero passage detection, makes the activity detection digital signal of two-way become two-way square-wave signal.For two-way square wave is believed
Number, the Cycle by Cycle that signal processing module 132 is adopted compares counting method and judges come overall：Scanning obtains the activity detection numeral of two-way
Signal, for the activity detection digital signal phase relation of the period ratio compared with the activity detection digital signal of two-way one by one of two-way,
To be that positive phase difference number of cycles and negative phase difference number of cycles are counted respectively in comparative result, per 20ms ~ 500ms as one
Time period, using that result more than statistic as the whole time period result（If phase contrast is the just movable shell of correspondence
10 is to turn clockwise, then when phase contrast is that positive phase difference number of cycles is larger, be considered as within this time period to shell
10 operation is to turn clockwise）, and this result is recorded in a sequence.Afterwards, this sequence is scanned, with 100ms ~ 1s is
Unit, will be mixed in the recognition result amendment of direction mutation therein, such as in " positive forward and reverse is just " such a sequence, will
The action of " inverse " is just revised as, and so as to obtain final court verdict, this is that user will not be in setting based under normal circumstances
Frequently change nyctitropic behavioral characteristic to do what is corrected in time period.
When being embodied as, for positive phase difference number of cycles, negative phase difference number of cycles timing statisticses section are preferably
100ms, for scanning sequence, preferably 500ms is unit.In described above, only between 10 relative support body 11 of shell
The explanation carried out as a example by rotation, when shell 10 relative between supporter 11 activity for push-and-pull when, can be in signal processing module
Push-and-pull input information in 132 produced by identification.
In invention is embodied as, the effect of the activity detection signal quality of photoelectric sensor 12 is poor, and believes in the present invention
When number processing module 132 carries out above-mentioned process to activity detection digital signal, simple with calculating, the advantage such as method is reliable can
Adapt to the design of various different photoelectric sensors 12 and sensor echo area 102.
As shown in fig. 6, a kind of method of circular housing by the use of activity as input equipment, shell 10 is installed in supporter
On 11 and can relatively described supporter 11 it is movable, using photoelectric sensor 12 obtain shell 10 sensor irradiated region 102 follow
Action message produced by 10 relative support body of shell, 11 activity, photoelectric sensor 12 can will obtain sensor irradiated region 102
Action message is transmitted to microprocessor 13, and microprocessor 13 is confirmed using 10 relative support body 11 of shell according to the action message
Activity produce input information.
The photoelectric sensor 12 is included for launching the light source emitter 121 of light and receiving sensor irradiated region
102 reflections or the light receiver 122 of transmitted ray；
The light receiver 122 includes twin-channel photoelectric encoder, twin-channel photoelectric encoder output two
Road phase contrast is 90 ° of activity detection signal；
The microprocessor 13 includes input processing module 131 and signal processing module 132；Input processing module 131
The activity detection signal that two-way phase contrast is 90 ° is converted to into activity detection digital signal, activity is examined by signal processing module 132
The change maximum for surveying digital signal is compared with given threshold, to determine whether operation housing 10；
When signal processing module 132 determines operation housing 10, signal processing module 132 is 90 ° to two-way phase contrast
Activity detection signal carries out period ratio compared with and determining that shell 10 is movable according to the cycle fiducial value of the two-way activity detection signal
The input information of generation.
The given threshold for activity detection digital signal change maximum 1/4 ~ 1/2；Signal processing module 132 exists
In the time period of 20ms ~ 500ms, compare the phase relation of two paths of signals, to count positive phase difference number of cycles and minus phase
Difference number of cycles；Signal processing module 132 using it is statistical value in positive phase difference number of cycles, negative phase difference number of cycles big as
Statistical result, signal processing module 132 determine the input information that 10 activity of shell is produced according to the statistical result.
In the embodiment of the present invention, shell 10 is arranged on required supporter 11, by shell 10 and supporter 11 it
Between rotate against or push-and-pull is carrying out the input of information needed, i.e., be used as by relative motion between shell 10 and supporter 11
Input information needed for can producing.Activity between 10 relative support body 11 of shell, is detected by photoelectric sensor 12, and
It is identified determining by microprocessor 13.By the positive phase difference number of cycles to counting, negative in microprocessor 13
The operation such as the comparison of potential difference number of cycles, amendment, the final input information for determining that 10 activity of shell is produced.
Further, in the embodiment of the present invention, shell 10 is coordinated with microprocessor 13, can realize " plus-minus ", " switching ",
" page turning " and other effects, both with mechanically operated texture, avoids introducing the mechanicalness noise of contact again, and service life is also than common
Mechanical type is long, hence it is evident that improve Consumer's Experience.
Claims (7)
1. it is a kind of by the use of activity circular housing as input equipment device, including installed in supporter（11）Upper and energy is relatively
The supporter（11）The shell of activity（10）And the shell can be obtained（10）Sensor irradiated region（102）Action message
Photoelectric sensor（12）, the photoelectric sensor（12）With microprocessor（13）Connection；Photoelectric sensor（12）To can obtain
Sensor irradiated region（102）Action message transmit to microprocessor（13）, microprocessor（13）It is true according to the action message
Recognize and utilize shell（10）Relative support body（11）Activity produce input information；
The shell（10）In cylinder, shell（10）Sensor irradiated region（102）It is arranged on shell（10）Outward appearance support
Structure（101）On；
It is characterized in that：The sensor irradiated region（102）Positioned at outward appearance supporting construction（101）Outside, sensor irradiated region
（102）Shape include bar shaped；
The microprocessor（13）Including input processing module（131）And signal processing module（132）；Input processing module
（131）The activity detection signal that two-way phase contrast is 90 ° is converted to into activity detection digital signal, signal processing module（132）
The change maximum of activity detection digital signal is compared with given threshold, to determine whether operation housing（10）；
Work as signal processing module（132）Determine operation housing（10）When, signal processing module（132）It it is 90 ° to two-way phase contrast
Activity detection signal carry out period ratio compared with and determining shell according to the cycle fiducial value of the two-way activity detection signal（10）
The input information that activity is produced.
2. the circular housing by the use of activity according to claim 1 is characterized in that as the device of input equipment：It is described outer
Shell（10）Drive sensor irradiated region（102）Relative to supporter（11）Activity include push-and-pull.
3. the circular housing by the use of activity according to claim 1 is characterized in that as the device of input equipment：The light
Electric transducer（12）Including for launching the light source emitter of light（121）And receive sensor irradiated region（102）Reflection or
The light receiver of transmitted ray（122）.
4. the circular housing by the use of activity according to claim 3 is characterized in that as the device of input equipment：The light
Line receiver（122）Including twin-channel photoelectric encoder, twin-channel photoelectric encoder output two-way phase contrast is 90 °
Activity detection signal.
5. the circular housing by the use of activity according to claim 1 is characterized in that as the device of input equipment：It is described to set
Threshold value is determined for the 1/4 ~ 1/2 of activity detection digital signal change maximum；Signal processing module（132）20ms ~ 500ms when
Between in section, compare the phase relation of two paths of signals, to count positive phase difference number of cycles and negative phase difference number of cycles；Signal
Processing module（132）Using statistical value in positive phase difference number of cycles, negative phase difference number of cycles big as statistical result, signal
Processing module（132）Shell is determined according to the statistical result（10）The input information that activity is produced.
6. a kind of circular housing by the use of activity is characterized in that as the method for input equipment：Shell（10）Installed in supporter
（11）It is upper and can relatively described supporter（11）Activity, using photoelectric sensor（12）Obtain shell（10）Sensor irradiated region
（102）Follow shell（10）Relative support body（11）Action message produced by activity, photoelectric sensor（12）Can pass obtaining
Sensor irradiated region（102）Action message transmit to microprocessor（13）, microprocessor（13）Confirmed according to the action message
Using shell（10）Relative support body（11）Activity produce input information；
The photoelectric sensor（12）Including for launching the light source emitter of light（121）And receive sensor irradiated region
（102）Reflection or the light receiver of transmitted ray（122）；
The light receiver（122）Including twin-channel photoelectric encoder, twin-channel photoelectric encoder exports two-way
Phase contrast is 90 ° of activity detection signal；
The microprocessor（13）Including input processing module（131）And signal processing module（132）；Input processing module
（131）The activity detection signal that two-way phase contrast is 90 ° is converted to into activity detection digital signal, signal processing module（132）
The change maximum of activity detection digital signal is compared with given threshold, to determine whether operation housing（10）；
Work as signal processing module（132）Determine operation housing（10）When, signal processing module（132）It it is 90 ° to two-way phase contrast
Activity detection signal carry out period ratio compared with and determining shell according to the cycle fiducial value of the two-way activity detection signal（10）
The input information that activity is produced.
7. circular housing according to claim 6 by the use of activity is characterized in that as the method for input equipment：The setting
Threshold value for activity detection digital signal change maximum 1/4 ~ 1/2；Signal processing module（132）In the time of 20ms ~ 500ms
In section, compare the phase relation of two paths of signals, to count positive phase difference number of cycles and negative phase difference number of cycles；At signal
Reason module（132）Using statistical value in positive phase difference number of cycles, negative phase difference number of cycles big as statistical result, at signal
Reason module（132）Shell is determined according to the statistical result（10）The input information that activity is produced.
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| CN201410255837.0A CN104007824B (en) | 2014-06-10 | 2014-06-10 | Equipment and method of using active circular shell as input device |
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|---|---|---|---|
| CN201410255837.0A CN104007824B (en) | 2014-06-10 | 2014-06-10 | Equipment and method of using active circular shell as input device |
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| CN104007824A CN104007824A (en) | 2014-08-27 |
| CN104007824B true CN104007824B (en) | 2017-04-19 |
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| CN111796339B (en) * | 2020-07-16 | 2021-03-19 | 长春工程学院 | Design method of intelligent sensor and intelligent equipment |
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| CN101232687A (en) * | 2007-01-15 | 2008-07-30 | Lg电子株式会社 | Mobile terminal having rotating input device and method for operating the mobile terminal |
| CN101641571A (en) * | 2007-04-19 | 2010-02-03 | 星电株式会社 | Rotation input device and rotation detecting device using the same |
| CN102087554A (en) * | 2009-12-07 | 2011-06-08 | 松下电器产业株式会社 | Input device |
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| CN1700132A (en) * | 2004-05-17 | 2005-11-23 | 阿尔卑斯电气株式会社 | Haptic feedback input device |
| CN101232687A (en) * | 2007-01-15 | 2008-07-30 | Lg电子株式会社 | Mobile terminal having rotating input device and method for operating the mobile terminal |
| CN101641571A (en) * | 2007-04-19 | 2010-02-03 | 星电株式会社 | Rotation input device and rotation detecting device using the same |
| CN102087554A (en) * | 2009-12-07 | 2011-06-08 | 松下电器产业株式会社 | Input device |
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