CN104007824A - 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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- CN104007824A CN104007824A CN201410255837.0A CN201410255837A CN104007824A CN 104007824 A CN104007824 A CN 104007824A CN 201410255837 A CN201410255837 A CN 201410255837A CN 104007824 A CN104007824 A CN 104007824A
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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 media and method, the especially a kind of apparatus and method of movable circular housing as input equipment of utilizing, belong to the technical field of input equipment.
Background technology
Along with technical development, from strength to strength, user experiences and becomes better and better the function of smart machine.For a smart machine, user experience be mainly reflected in the interface of user interactions and the design of practical function on.And interactive interface is as the part directly contacting with user, it is affect that user experiences one very key factor.The good interactive interface of design generally includes key-press input and figure output at present.And key-press input is one of requisite ingredient in man-machine interface.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of apparatus and method of movable circular housing as input equipment of utilizing are provided, its compact conformation, can improve user and input experience, improves the reliability of input identification.
According to technical scheme provided by the invention, the circular housing of described utilization activity is as the device of input equipment, comprise the shell being arranged on supporter and can relatively described supporter activity and can obtain the photoelectric sensor of the sensor irradiated region action message of described shell, described photoelectric sensor is connected with microprocessor; Photoelectric sensor can transfer to microprocessor by the action message that obtains sensor irradiated region, and microprocessor is confirmed the input message of utilizing the activity of the relative supporter of shell to produce according to described action message.
Described shell is cylindrical, and the sensor irradiated region of shell is arranged in the outward appearance supporting construction of shell, and sensor irradiated region is positioned at inner side or the outside of outward appearance supporting construction, and the shape of sensor irradiated region comprises annular or bar shaped.
Described shell band dynamic sensor irradiated region comprises rotation or push-and-pull with respect to the activity of supporter.
Described photoelectric sensor comprises the light receiver for the light source emitter of emission of light and the reflection of receiving sensor irradiated region or transmitted ray.
Described light receiver comprises twin-channel photoelectric encoder, and described twin-channel photoelectric encoder output two-way phase differential is the motion detection signal of 90 °.
Described microprocessor comprises input processing module and signal processing module; The motion detection signal that input processing module is 90 ° by two-way phase differential is converted to motion detection digital signal, and signal processing module is by the variation maximal value of motion detection digital signal and setting threshold comparison, to determine whether operation housing;
In the time that signal processing module is determined operation housing, the motion detection signal that signal processing module is 90 ° to two-way phase differential carries out period ratio, and determines the movable input message producing of shell according to the cycle fiducial value of described two-way motion detection signal.
Described setting threshold is motion detection digital signal change peaked 1/4 ~ 1/2; Signal processing module is within the time period of 20ms ~ 500ms, and the relatively 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 is using large statistical value in positive phase difference number of cycles, negative phase difference number of cycles as statistics, and signal processing module is determined the movable input message producing of shell according to described statistics.
A kind of method of movable circular housing as input equipment of utilizing, shell is arranged on supporter and can relatively described supporter activity, the action message that the relative supporter activity of shell produces is followed in the sensor irradiated region that utilizes photoelectric sensor to obtain shell, photoelectric sensor can transfer to microprocessor by the action message that obtains sensor irradiated region, and microprocessor is confirmed the input message of utilizing the activity of the relative supporter of shell to produce according to described action message.
Described photoelectric sensor comprises the light receiver for the light source emitter of emission of light and the reflection of receiving sensor irradiated region or transmitted ray;
Described light receiver comprises twin-channel photoelectric encoder, and described twin-channel photoelectric encoder output two-way phase differential is the motion detection signal of 90 °;
Described microprocessor comprises input processing module and signal processing module; The motion detection signal that input processing module is 90 ° by two-way phase differential is converted to motion detection digital signal, and signal processing module is by the variation maximal value of motion detection digital signal and setting threshold comparison, to determine whether operation housing;
In the time that signal processing module is determined operation housing, the motion detection signal that signal processing module is 90 ° to two-way phase differential carries out period ratio, and determines the movable input message producing of shell according to the cycle fiducial value of described two-way motion detection signal.
Described setting threshold is motion detection digital signal change peaked 1/4 ~ 1/2; Signal processing module is within the time period of 20ms ~ 500ms, and the relatively 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 is using large statistical value in positive phase difference number of cycles, negative phase difference number of cycles as statistics, and signal processing module is determined the movable input message producing of shell according to described statistics.
Advantage of the present invention: shell is assemblied on supporter, by producing relative activity as input channel with supporter, photoelectric sensor can transfer to microprocessor by the action message that obtains sensor irradiated region, microprocessor is confirmed the input message of utilizing the activity of the relative supporter of shell to produce according to described action message, both there is mechanically operated texture, avoid again introducing the mechanicalness noise of contact, serviceable life is also long than standard machinery formula, has obviously improved user's experience.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of shell of the present invention.
Fig. 3 is photoelectric sensor of the present invention and the schematic diagram that coordinates of the sensor irradiated region of shell.
Fig. 4 is the schematic diagram of light receiver output two-way motion detection signal of the present invention.
Fig. 5 is the structural representation of microprocessor of the present invention.
Fig. 6 is workflow diagram of the present invention.
Description of reference numerals: 10-shell, 11-supporter, 12-photoelectric sensor, 13-microprocessor, 101-outward appearance supporting construction, 102-sensor irradiated region, 121-light source emitter, 122-light receiver, 131-input processing module, 132-signal processing module, 1221-the first photoelectric encoder and 1222-the second photoelectric encoder.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
At present, the form of input equipment is varied, and wherein conventional is use mechanical key, as spring leaf, the young sheet of pot etc.Mechanical key is generally two electric installations and the elastic mechanism composition by being under normal circumstances mutually insulated, in the time being subject to extraneous strength, elastic mechanism deformation, two of mutually insulated electric installations contact before, UNICOM, then outer treatment circuit can be caught this electric change, obtains input action.
Although the cost of existing machinery button is very low, also there are a lot of significantly problems.As by hit the life-span limited, account for structure space large, have gimp, user experiences more general simultaneously.So mechanical key uses conventionally in the occasion that cannot replace with other buttons, as power switch.And need splendid user to experience, conventionally do not re-use mechanical key.
In addition, also often adopt at present another kind of input technology: touch input, described touch input comprises capacitance touch or resistive touch.The two is all better than conventional keys on experiencing, and especially capacitance touch technology, can realize monoblock capacitance touch screen, with the capacitance touch button separating.Capacitance touch technology is to use two sides conductive layer, and the electric capacity of formation checks input action; When user finger or health are during near screen or button, electric capacity can change, and uses special circuit to detect this part information, can obtain input action.
Touching technique is compared with mechanical key, and advantage is apparent.But also have use problem, such as the electric capacity between conductive layer is easily affected by environment, it is certain unreliable to introduce.Touch in addition input technology, there is no mechanical mechanism, the in the situation that of some input, user experiences deviation on the contrary, shows as: do not have feel, action recognition to have delay etc.These are all the problems that touching technique more or less exists
As shown in Figure 1: input experience in order to improve user, improve the reliability of input identification, the present invention includes the shell 10 being arranged on supporter 11 and can relatively described supporter 11 activities and can obtain the photoelectric sensor 12 of sensor irradiated region 102 action messages of described shell 10, described photoelectric sensor 12 is connected with microprocessor 13; Photoelectric sensor 12 can transfer to microprocessor 13 by the action message that obtains sensor irradiated region 102, and microprocessor 13 is confirmed the input message of utilizing the activity of shell 10 relative supporters 11 to produce according to described action message.
Particularly, supporter 11 is all the time in can not active state, supporter 11 can be the external shell of equipment, also can be to be assemblied in inner printed circuit board (PCB), photoelectric sensor 12, microprocessor 13 generally all and between not mobilizable supporter 11 have fixing position relationship, or have fixing assembly relation.
As shown in Figure 2, described shell 10 is cylindrical, the sensor irradiated region 102 of shell 10 is arranged in the outward appearance supporting construction 101 of shell 10, and sensor irradiated region 102 is positioned at inner side or the outside of outward appearance supporting construction 101, and the shape of sensor irradiated region 102 comprises annular or bar shaped.Described shell 10 comprises rotation or push-and-pull with dynamic sensor irradiated region 102 with respect to the activity of supporter 11.
Shell 10 entirety are cylindrical, the xsect of shell 10 is rounded, shell 10 at least comprises 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, shell 10 assembles by outward appearance supporting construction 101 and supporter 11, assembly relation between shell 10 and supporter 11 can need to be determined according to practical application, activity between shell 10 and supporter 11 can be the one in rotation or push-and-pull, or other form.In the time producing rotation or push-and-pull movable between shell 10 and supporter 11, microprocessor 13 can carry out recognition and verification to movable concrete form, and obtains corresponding input message.
Sensor irradiated region 102, is the main structure body that shell 10 participates in action recognition, and major function is the conversion efficiency in order to improve photoelectric sensor 12, and the electric signal feature that user's input action is changed into is more obvious.User's spinning movement, push pull maneuver or other activities, be with 102 activities of dynamic sensor irradiated region by outward appearance supporting construction 101, make sensor irradiated region 102 occur relative variation with the position of photoelectric sensor 12, this variation meeting is embodied in the output of photoelectric sensor 12.In the specific implementation, sensor irradiated region 102 adopts grid pore structure conventionally, and the reflection to light or transmission meeting form light and dark region, and as optical code disk, light code-bar etc., this form is best modes to the changing effect of photoelectric sensor 12.The position of sensor irradiated region 102 can, in shell 10 inner sides or outside, can be circular layout, and also can adopt the bar shaped of other modes to arrange, specifically depends on the user action that will identify.
As shown in Figure 3 and Figure 4, described photoelectric sensor 12 comprises for the light source emitter 121 of emission of light and receiving sensor irradiated region 102 is reflected or the light receiver 122 of transmitted ray.
Described light receiver 122 comprises twin-channel photoelectric encoder, and described twin-channel photoelectric encoder output two-way phase differential is the motion detection signal of 90 °.
In the embodiment of the present invention, light source emitter 121 is the receptions that can improve light receiver 122, wavelength and the intensity of light receiver 122 to incident ray has corresponding requirements, adopts light source emitter 121, can make light receiver 122 reach good result of use.The structure of light source emitter 121, light receiver 122 and principle, by the art personnel are known, repeat no more herein.
The light that light source emitter 121 sends, through reflection or the transmission of sensor irradiated region 102, enters into light receiver 122, and light receiver 122 can be changed the light signal receiving, the signal waveform that output changes according to light power.Light receiver 122 comprises multiple photoelectric encoders and can receive the light of diverse location.Light receiver 122 adopts twin-channel photoelectric encoder conventionally, the light signal of two diverse locations can be converted to two paths of signals output.In two-way output signal, comprised the information that can extract user's operational motion, under normal circumstances, the phase differential of two paths of signals is ± 90 degree, but is not only defined in this kind of situation while specifically implementing.When concrete enforcement, dual channel optoelectronic scrambler in light receiver 122 comprises the first photoelectric encoder 1221 and the second photoelectric encoder 1222, export two paths of signals by the first photoelectric encoder 1221 and the second photoelectric encoder 1222, can obtain two-way phase differential and be the motion detection signal of 90 °.
As shown in Figure 5, described microprocessor 13 comprises input processing module 131 and signal processing module 132; The motion detection signal that input processing module 131 is 90 ° by two-way phase differential is converted to motion detection digital signal, and signal processing module 132 is by the variation maximal value of motion detection digital signal and setting threshold comparison, to determine whether operation housing 10;
In the time that signal processing module 132 is determined operation housing 10, the motion detection signal that signal processing module 132 is 90 ° to two-way phase differential carries out period ratio, and determines the movable input message producing of shell 10 according to the cycle fiducial value of described two-way motion detection signal.
Described setting threshold is motion detection digital signal change peaked 1/4 ~ 1/2; Signal processing module 132 is within the time period of 20ms ~ 500ms, and the relatively 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 is using large statistical value in positive phase difference number of cycles, negative phase difference number of cycles as statistics, and signal processing module 132 is determined the movable input message producing of shell 10 according to described statistics.
In the embodiment of the present invention, input processing module 131 is realized the simulating signal of photoelectric sensor is become to digital signal, obtains motion detection digital signal.Simulating signal is converted to digital signal method and can comprises ADC(analog to digital conversion) etc., wherein may comprise the treatment steps such as amplification, filtering, stopping direct current, described treatment step, by the art personnel are known, repeats no more herein.
Signal processing module 132 is processed the motion detection digital signal obtaining, and described the processing of motion detection digital signal is mainly comprised to Amplitude Estimation, phase estimation.Signal processing module 132 judges when whether described motion detection digital signal is movable generation of the relative supporter 11 of operation housing 10, signal processing module 132 can obtain by setting threshold, particularly, signal processing module 132 is by the maximal value of continuous follow-up investigations motion detection digital signal change, using this peaked 1/4 ~ 1/2 as threshold value, while exceeding this amplitude, assert that user starts operation housing 10.Once user starts operation housing, signal processing module 132 starts the motion detection digital signal of two-way to carry out phase bit comparison.In the embodiment of the present invention, predetermined threshold is preferably motion detection digital signal change peaked 1/3.
In the embodiment of the present invention, signal processing module 132, in the time judging the action message of shell 10, need to carry out zero passage detection to motion detection digital signal, makes the motion detection digital signal of two-way become two-way square-wave signal.For two-way square-wave signal, the Cycle by Cycle that signal processing module 132 adopts relatively counting method carrys out overall judgement: scanning obtains the motion detection digital signal of two-way, for the motion detection digital signal of two-way one by one period ratio compared with the phase relation of the motion detection digital signal of two-way, to in comparative result, add up respectively for positive phase difference number of cycles and negative phase difference number of cycles, every 20ms ~ 500ms is as a time period, result using that many statistic results as the whole time period is (if phase differential is for just, corresponding movable shell 10 is to turn clockwise, phase differential is that positive phase difference number of cycles is when larger so, to turn clockwise with regard to thinking within this time period to the operation of shell 10), and by this outcome record to one sequence.Afterwards, scan this sequence, taking 100ms ~ 1s as unit, the recognition result correction of direction sudden change wherein will be mixed in, as " just contrary just ", in a sequence, the action of " contrary " is just revised as, thereby obtains final court verdict, this is based under normal circumstances, and user can frequently not change nyctitropic behavioral characteristic and do and revise within the time period of setting.
When concrete enforcement, be preferably 100ms for positive phase difference number of cycles, negative phase difference number of cycles timing statistics section, for scanning sequence, being preferably 500ms is unit.In above-mentioned explanation, only with the explanation that example is carried out that rotates to be between the relative supporter 11 of shell 10, when between shell 10 is with respect to supporter 11, activity is for push-and-pull, the push-and-pull input message that can produce in the interior identification of signal processing module 132.
In the concrete enforcement of invention, the weak effect of the motion detection signal quality of photoelectric sensor 12, and when in the present invention, signal processing module 132 carries out above-mentioned processing to motion detection digital signal, have and calculate simply, the advantages such as method is reliable, can adapt to the design proposal of multiple different photoelectric sensor 12 and sensor echo area 102.
As shown in Figure 6, a kind of method of movable circular housing as input equipment of utilizing, shell 10 is arranged on supporter 11 and can relatively described supporter 11 activity, the action message that relative supporter 11 activities of shell 10 produce is followed in the sensor irradiated region 102 that utilizes photoelectric sensor 12 to obtain shell 10, photoelectric sensor 12 can transfer to microprocessor 13 by the action message that obtains sensor irradiated region 102, and microprocessor 13 is confirmed the input message of utilizing the activity of shell 10 relative supporters 11 to produce according to described action message.
Described photoelectric sensor 12 comprises for the light source emitter 121 of emission of light and receiving sensor irradiated region 102 is reflected or the light receiver 122 of transmitted ray;
Described light receiver 122 comprises twin-channel photoelectric encoder, and described twin-channel photoelectric encoder output two-way phase differential is the motion detection signal of 90 °;
Described microprocessor 13 comprises input processing module 131 and signal processing module 132; The motion detection signal that input processing module 131 is 90 ° by two-way phase differential is converted to motion detection digital signal, and signal processing module 132 is by the variation maximal value of motion detection digital signal and setting threshold comparison, to determine whether operation housing 10;
In the time that signal processing module 132 is determined operation housing 10, the motion detection signal that signal processing module 132 is 90 ° to two-way phase differential carries out period ratio, and determines the movable input message producing of shell 10 according to the cycle fiducial value of described two-way motion detection signal.
Described setting threshold is motion detection digital signal change peaked 1/4 ~ 1/2; Signal processing module 132 is within the time period of 20ms ~ 500ms, and the relatively 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 is using large statistical value in positive phase difference number of cycles, negative phase difference number of cycles as statistics, and signal processing module 132 is determined the movable input message producing of shell 10 according to described statistics.
In the embodiment of the present invention, shell 10 is arranged on required supporter 11, carry out the input of information needed by relative rotation or push-and-pull between shell 10 and supporter 11, by relative movable as producing required input message between shell 10 and supporter 11.Activity between the relative supporter 11 of shell 10, detects by photoelectric sensor 12, and is identified and determined by microprocessor 13.In microprocessor 13, by the positive phase difference number of cycles to statistics, the operation such as comparison, correction of negative phase difference number of cycles, finally determine the movable input message producing of shell 10.
Further, in the embodiment of the present invention, shell 10 coordinates with microprocessor 13, can realize " plus-minus ", " switching ", " page turning " texts, both there is mechanically operated texture, avoid again introducing the mechanicalness noise of contact, serviceable life is also long than standard machinery formula, has obviously improved user's experience.
Claims (10)
1. one kind is utilized the device of movable circular housing as input equipment, it is characterized in that: comprise the photoelectric sensor (12) that is arranged on upper and can relatively described supporter (11) the movable shell (10) of supporter (11) and can obtains sensor irradiated region (102) action message of described shell (10), described photoelectric sensor (12) is connected with microprocessor (13); Photoelectric sensor (12) can transfer to microprocessor (13) by the action message that obtains sensor irradiated region (102), and microprocessor (13) confirms to utilize shell (10) input message that the activity of supporter (11) produces relatively according to described action message.
2. the circular housing of utilization activity according to claim 1 is as the device of input equipment, it is characterized in that: described shell (10) is cylindrical, the sensor irradiated region (102) of shell (10) is arranged in the outward appearance supporting construction (101) of shell (10), sensor irradiated region (102) is positioned at inner side or the outside of outward appearance supporting construction (101), and the shape of sensor irradiated region (102) comprises annular or bar shaped.
3. the circular housing of utilization activity according to claim 1, as the device of input equipment, is characterized in that: described shell (10) band dynamic sensor irradiated region (102) comprises rotation or push-and-pull with respect to the activity of supporter (11).
4. the circular housing of utilization activity according to claim 1, as the device of input equipment, is characterized in that: described photoelectric sensor (12) comprises the light receiver (122) of light source emitter (121) for emission of light and receiving sensor irradiated region (102) reflection or transmitted ray.
5. the circular housing of utilization activity according to claim 4 is as the device of input equipment, it is characterized in that: described light receiver (122) comprises twin-channel photoelectric encoder, described twin-channel photoelectric encoder output two-way phase differential is the motion detection signal of 90 °.
6. the circular housing of utilization activity according to claim 5, as the device of input equipment, is characterized in that: described microprocessor (13) comprises input processing module (131) and signal processing module (132); The motion detection signal that input processing module (131) is 90 ° by two-way phase differential is converted to motion detection digital signal, signal processing module (132) is by the variation maximal value of motion detection digital signal and setting threshold comparison, to determine whether operation housing (10);
In the time that signal processing module (132) is determined operation housing (10), the motion detection signal that signal processing module (132) is 90 ° to two-way phase differential carries out period ratio, and determines the movable input message producing of shell (10) according to the cycle fiducial value of described two-way motion detection signal.
7. the circular housing of utilization activity according to claim 6, as the device of input equipment, is characterized in that: described setting threshold is motion detection digital signal change peaked 1/4 ~ 1/2; Signal processing module (132) is within the time period of 20ms ~ 500ms, and the relatively 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) is using large statistical value in positive phase difference number of cycles, negative phase difference number of cycles as statistics, and signal processing module (132) is determined the movable input message producing of shell (10) according to described statistics.
8. one kind is utilized the method for movable circular housing as input equipment, it is characterized in that: it is upper and can relatively described supporter (11) activity that shell (10) is arranged on supporter (11), shell (10) the movable action message producing of supporter (11) is relatively followed in the sensor irradiated region (102) that utilizes photoelectric sensor (12) to obtain shell (10), photoelectric sensor (12) can transfer to microprocessor (13) by the action message that obtains sensor irradiated region (102), microprocessor (13) confirms to utilize shell (10) input message that the activity of supporter (11) produces relatively according to described action message.
9. the circular housing of utilization activity, as the method for input equipment, is characterized in that according to claim 8: described photoelectric sensor (12) comprises the light receiver (122) of light source emitter (121) for emission of light and receiving sensor irradiated region (102) reflection or transmitted ray;
Described light receiver (122) comprises twin-channel photoelectric encoder, and described twin-channel photoelectric encoder output two-way phase differential is the motion detection signal of 90 °;
Described microprocessor (13) comprises input processing module (131) and signal processing module (132); The motion detection signal that input processing module (131) is 90 ° by two-way phase differential is converted to motion detection digital signal, signal processing module (132) is by the variation maximal value of motion detection digital signal and setting threshold comparison, to determine whether operation housing (10);
In the time that signal processing module (132) is determined operation housing (10), the motion detection signal that signal processing module (132) is 90 ° to two-way phase differential carries out period ratio, and determines the movable input message producing of shell (10) according to the cycle fiducial value of described two-way motion detection signal.
10. the circular housing of utilization activity, as the method for input equipment, is characterized in that according to claim 9: described setting threshold is motion detection digital signal change peaked 1/4 ~ 1/2; Signal processing module (132) is within the time period of 20ms ~ 500ms, and the relatively 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) is using large statistical value in positive phase difference number of cycles, negative phase difference number of cycles as statistics, and signal processing module (132) is determined the movable input message producing of shell (10) according to described statistics.
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111796339A (en) * | 2020-07-16 | 2020-10-20 | 长春工程学院 | Design method of intelligent sensor and intelligent equipment |
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