CN203206338U - Hand-held device - Google Patents
Hand-held device Download PDFInfo
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- CN203206338U CN203206338U CN 201320071852 CN201320071852U CN203206338U CN 203206338 U CN203206338 U CN 203206338U CN 201320071852 CN201320071852 CN 201320071852 CN 201320071852 U CN201320071852 U CN 201320071852U CN 203206338 U CN203206338 U CN 203206338U
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- handheld device
- piezoelectric film
- casing
- signal processor
- button
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Abstract
The utility model discloses a hand-held device which comprises a casing, a signal processor accommodated in the casing, a pair of side buttons which are embedded in two opposite sides of the casing respectively, and an inner core which supports the pair of side buttons. The inner core is accommodated in the casing. Each side button is a piezoelectric thin-film sensor. The two piezoelectric thin-film sensors are opposite to each other and are used for providing trigger pressure and outputting electric output curves when being pressed. The signal processor is electrically connected with the two piezoelectric thin-film sensors and is used for starting corresponding functions in case of trigger when peaks or integral area values of the two electric output curves reach certain threshold values or interval values. The hand-held device is waterproof and dustproof, and realizes operation by pinching and squeezing, thereby launching new ides of operation and promoting trend development.
Description
Technical field
The utility model relates to a kind of handheld device, especially relates to the side switch on a kind of handheld device.
Background technology
This handheld device, such as mobile phone, remote controller, its side switch can be used for the keypress function operations such as mobile phone release, shutdown, volume key and remote controller open and close machine.The side switch of handheld device is main the employing at present: silica gel/sheet metal button, and such as mobile phone top key, the switch switch of remote controller; Slide switch is such as mobile phone release side switch.This class button belongs to separating type key, and this button need to have certain stroke in the finger dynamics direction when work.The trip easily causes the fatigue rupture of button.Secondly, between this button and equipment shell, must separate, the crack that stroke is certain, not only non-watertight, and dust also very easily access arrangement is inner.In addition, this class press-key structure is complicated, and key area fluting that need to be corresponding to equipment shell, and assembly working is loaded down with trivial details.
The utility model content
The purpose of this utility model is to provide a kind of handheld device, and it can overcome non-watertight, the not dustproof technical problem of traditional side switch.
The utility model is achieved in that a kind of handheld device, and it comprises casing, be housed in signal processor in this casing, be embedded in respectively the offside button on the two opposite outer of this casing and the inner core that supports this offside button; This inner core is housed in this casing; This side button is piezoelectric film sensor, and two piezoelectric film sensors are oppositely arranged to provide and press, and all can export electric curve of output when pressurized; This signal processor is electrically connected at these two piezoelectric film sensors with when the peak value of two electric curves of output or integral area value reach certain threshold values or interval value simultaneously, is triggered and starts corresponding function.
As the further improvement of such scheme, this inner core is plastic skeleton or metallic framework.
As the further improvement of such scheme, this piezoelectric film sensor is for adopting the flexible sensor of piezoelectric membrane.
Preferably, this piezoelectric membrane is wherein a kind of in piezo-electric electret thin film, pvdf piezoelectric membrane, the piezoceramics film.
Further improvement as such scheme, this signal processor comprises preamplifier, the digital-to-analogue converter, CPU, two piezoelectric film sensors of this preamplifier and this are electrically connected and receive the electrical output signal of these two piezoelectric film sensors, this digital-to-analogue converter is electrically connected at this preamplifier and two electrical output signals is carried out analog-to-digital conversion and transfer to this CPU, this CPU forms respectively two electric curves of output according to two electrical output signals, and when the peak value of two electric curves of output or integral area value reach certain threshold values or interval value simultaneously, triggered and started corresponding function.
As the further improvement of such scheme, this handheld device is mobile phone or remote controller.
Further improvement as such scheme, at least another offside button that this handheld device also comprises on the two opposite outer that is embedded in this casing and is oppositely arranged, the piezoelectric film sensor of every offside button all is electrically connected at this signal processor, with when the peak value of the electric curve of output of every offside button or integral area value reach certain threshold values or interval value simultaneously, triggered and started corresponding function.
As the further improvement of such scheme, this signal processor also is provided with the power supply that this signal processor is provided electric energy.
This handheld device possesses following beneficial effect by the setting of this case side button:
1, be more suitable for the ergonomics operation, do not need to seek key position, it is more convenient to operate;
2, this scheme is disguised better, so that equipment appearance is more attractive in appearance;
3, do not need each key area fluting, simple in structure, reduce packaging technology, reduce production costs;
4, shell is integral type, increases the waterproof and dustproof performance of handheld device;
5, the most important thing is, broken through traditional prejudice: think the button that is oppositely arranged to be set on two relative sides of casing, press one of them button and must press another button, thereby can not adopt the mode that setting is oppositely arranged on two relative sides, and this case is on the contrary, when finishing function, return the user and bring different operation enjoyment, obtain beyond thought beneficial effect, be handheld device can also by pinch, compacted existing operation, start-up operation new ideas and promote the development of trend.
Description of drawings
The structural representation of the handheld device that Fig. 1 provides for the utility model the first execution mode.
Fig. 2 is the upward view of handheld device among Fig. 1.
Fig. 3 is the single-button pattern diagram of the piezoelectric film sensor of handheld device among Fig. 2.
Fig. 4 is the electronic module schematic diagram of handheld device among Fig. 1.
Fig. 5 is handheld device in normal operation and under the different pressures size among Fig. 1, the electric curve of output of two piezoelectric film sensors.
Fig. 6 be among Fig. 1 handheld device under the non operating state in the pocket, the changing condition of the electric curve of output of two piezoelectric film sensors.
Fig. 7 be among Fig. 1 handheld device under the non operating state in the pocket, another changing condition of the electric curve of output of two piezoelectric film sensors.
Fig. 8 is that handheld device is fallen under on the ground the non operating state among Fig. 1, the changing condition of the electric curve of output of two piezoelectric film sensors.
Fig. 9 is that handheld device is fallen under on the ground the non operating state among Fig. 1, another changing condition of the electric curve of output of two piezoelectric film sensors.
Figure 10 is that handheld device is being held under the non operating state of taking the changing condition of the electric curve of output of two piezoelectric film sensors among Fig. 1.
Figure 11 is that handheld device is being held under the non operating state of taking among Fig. 1, another changing condition of the electric curve of output of two piezoelectric film sensors.
Figure 12 is the use state diagram of handheld device among Fig. 1.
Figure 13 is another use state diagram of handheld device among Fig. 1.
The structural representation of the handheld device that Figure 14 provides for the utility model the second execution mode.
Figure 15 is many buttons pattern diagram of the piezoelectric film sensor of handheld device among Figure 14.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1, the handheld device that the utility model the first execution mode provides comprises casing 2; Be housed in the signal processor 5 in this casing 2; Be embedded in respectively the offside button 3,4 on the two opposite outer of this casing 2; And support this offside button 3,4 inner core 1.This handheld device can be mobile phone or remote controller, in the present embodiment, is illustrated as an example of mobile phone example.
Please in conjunction with Fig. 2, offside button 3,4 all adopts piezoelectric film sensor, and two piezoelectric film sensors are oppositely arranged, and is used for providing pressing, and all can exports electric curve of output when pressurized.This piezoelectric film sensor can be the flexible sensor take piezoelectric membrane as base material, and preferably, this piezoelectric membrane is piezo-electric electret thin film, pvdf piezoelectric membrane, P(VDF-TrFE) wherein a kind of in the piezoelectricity laminated film, piezoceramics film.
This inner core 1 is housed in this casing 2, and this inner core 1 can be the skeleton of plastics or metal material, works to support piezoelectric film sensor.This signal processor 5 is electrically connected at this two piezoelectric film sensors, is used for when the peak value of two electric curves of output or integral area value reach certain threshold values or interval value simultaneously, is triggered and starts corresponding function.
Please in conjunction with Fig. 3, draw signal extraction electrode 7 and grounding electrode 32 from the key press induction zone 6 of each piezoelectric film sensor, signal extraction electrode 7 is electrically connected at this signal processor 5, and grounding electrode 32 electrical ground connection.
See also Fig. 4, this signal processor 5 comprises preamplifier 8, digital-to-analogue converter 9, mobile phone CPU 10 and power supply.Two piezoelectric film sensors of this preamplifier 8 and this are electrically connected and receive the electrical output signal of these two piezoelectric film sensors, this digital-to-analogue converter 9 is electrically connected at this preamplifier 8 and two electrical output signals is carried out analog-to-digital conversion and transfer to this mobile phone CPU 10, this mobile phone CPU 10 forms respectively two electric curves of output according to two electrical output signals, and when the peak value of two electric curves of output or integral area value reach certain threshold values or interval value simultaneously, triggered and started corresponding function.Power supply is for providing electric energy to this signal processor 5, and power supply can adopt the battery of mobile phone.
See also Fig. 5, handheld device can be found out the characteristics of this pattern in normal operation and under the different pressures size in the electric curve of output of two piezoelectric film sensors:
1, after piezoelectric film sensor perceives pressure, process preamplifier 8 and analog-to-digital conversion device 9(such as analog-to-digital conversion chip, analog-to-digital conversion circuit module), digital data transmission to mobile phone CPU 10, is carried out signal and is processed;
2, the pressure size becomes certain linear ratio relation with peak value or the integral area value of Voltage-output curve;
3, because power is relative, the peak value of the electric curve of output of two piezoelectric film sensors or integral area value reach certain threshold values or interval value simultaneously, then trigger work.
Therefore, when touching intensity was little power, peak value or integral area value were less, along with touching intensity increases peak value or integral area value and increases, when the peak value of two electric curves of output or integral area value reach certain threshold values or interval value simultaneously, triggered and started corresponding function.
See also 6 and Fig. 7, handheld device under the non operating state in the pocket, in the changing condition of the electric curve of output of two piezoelectric film sensors as can be known in the pocket with the difference of normal operation:
1, identifies by the pressure differential of two piezoelectric film sensors: in the time of in pocket, stressed the varying in size in the common both sides of mobile phone will only have a piezoelectric film sensor stressed like this, and perhaps both have obvious pressure differential, surpass certain threshold values by monitoring two kinds of stressed differences, think misoperation;
2, by the pressure size identification: mobile phone is under pressure usually smaller in pocket, and force rate is larger when mobile phone pinched, squeezes operation, identifies the work that whether triggers by the setting pressure threshold values.
See also Fig. 8 and Fig. 9, handheld device is fallen under on the ground the non operating state, falls as can be known in the changing condition of the electric curve of output of two piezoelectric film sensors on the ground and the normal operation difference:
1, identifies by the pressure differential of two piezoelectric film sensors: when falling on the ground, mobile phone normally single face lands, such two piezoelectric film sensors will only have two piezoelectric film sensors stressed, perhaps both have obvious stressed poor, surpass certain threshold value by monitoring two kinds of stressed differences, think misoperation;
2, the gradient duration of pressure peak identification: when falling on the ground, what mobile phone was subject to is impulsive force, and this impulsive force peak value ratio of slope that two piezoelectric film sensors use is steeper, and during people's manual manipulation, its peak value gradient is more smooth, by the gradient of identification pressure peak, and the difference misoperation.
See also Figure 10 and Figure 11, handheld device is being held under the non operating state of taking, as can be known adept machine and normal operation difference in the changing condition of the electric curve of output of two piezoelectric film sensors:
1, by the pressure size identification: the pressure of the adept machine of people is usually smaller, and to mobile phone pinch, force rate is larger when squeezing operation, identifies the work that whether triggers by the setting pressure threshold value;
2, identify by pressure duration: the pressure of the adept machine of people is that the duration is longer, and the pressure of pinching, squeezing when operating is that the duration is shorter.
The preamplifier 8 that needs to adopt need to be raised zero level, to monitor the signal intensity less than zero level.In addition, when the peak value of two electric curves of output or integral area value exceed same the first predetermined amount of time and also keep simultaneously certain threshold values or interval value, this signal processor is triggered and is started corresponding function, can identify so general shake misoperation, plays the effect of filtering; When the peak value of two electric curves of output or integral area value exceed same the second predetermined amount of time and also keep simultaneously certain threshold values or interval value, this signal processor is interrupted, this second predetermined amount of time is greater than this first predetermined amount of time, the duration be can judge like this, adept machine or operating pressure distinguished.
From the analysis of above-mentioned Fig. 5 to Figure 11, the utility model eliminating all difficulties are designed handheld device of the present utility model as can be known, broken through traditional prejudice: think the button that is oppositely arranged to be set on two relative sides of casing, press one of them button and must press another button, thereby can not adopt the mode that setting is oppositely arranged on two relative sides, possess outstanding distinguishing feature.
See also Figure 12 and Figure 13, handheld device by pinch, compacted existing operation, start-up operation new ideas and promote the development of trend, thereby when finishing function, return the user and bring different operation enjoyment, obtain beyond thought beneficial effect, overcome traditional mistaken ideas.Therefore, handheld device of the present utility model has significant progress, possesses creativeness.
See also Figure 14, the difference of the handheld device that the handheld device that the utility model the second execution mode provides and the first execution mode provide is: at least another offside button 30 that the handheld device that the second execution mode provides also comprises on the two opposite outer that is embedded in this casing 20 and is oppositely arranged, 40, this offside button 30,40 piezoelectric film sensor all is electrically connected at this signal processor 50, this signal processor 50 is triggered and is started corresponding function when the peak value of the electric curve of output of every offside button or integral area value reach certain threshold values or interval value simultaneously.
Please in conjunction with Figure 15, draw signal extraction electrode 73 and grounding electrode 33 from the key press induction zone 63 of two piezoelectric film sensors of the same side respectively, signal extraction electrode 73 is electrically connected at this signal processor 50, and grounding electrode 33 electrical ground connection.
The handheld device that the second execution mode provides possesses the beneficial effect of the handheld device that the first execution mode provides, and the matched combined of a plurality of side buttons on the realization two opposite outer, make the use of side button more flexible, more rich and varied, as: 1, pinch, can divide and pinch under kneading, in order to finish different operations; 2, squeeze, regardless of on force down crowded, by side button 30,3 stressed the getting of piezoelectric film sensor are closed; Side button 40,4 piezoelectric film sensor be stressed to be got to close and carries out data analysis and can realize.Certainly, based on technology of the present invention, can also develop more occupation mode.
In sum, this handheld device possesses following beneficial effect by the setting of this case side button:
1, be more suitable for the ergonomics operation, do not need to seek key position, it is more convenient to operate;
2, this scheme is disguised better, so that equipment appearance is more attractive in appearance;
3, do not need each key area fluting, simple in structure, reduce packaging technology, reduce production costs;
4, shell is integral type, increases the waterproof and dustproof performance of handheld device;
5, the most important thing is, broken through traditional prejudice: think the button that is oppositely arranged to be set on two relative sides of casing, press one of them button and must press another button, thereby can not adopt the mode that setting is oppositely arranged on two relative sides, and this case is on the contrary, when finishing function, return the user and bring different operation enjoyment, obtain beyond thought beneficial effect, be handheld device can also by pinch, compacted existing operation, start-up operation new ideas and promote the development of trend.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. handheld device, it comprises casing and is housed in signal processor in this casing, it is characterized in that, this handheld device also comprises the offside button on the two opposite outer that is embedded in respectively this casing and the inner core that supports this offside button; This inner core is housed in this casing; This side button is piezoelectric film sensor, and two piezoelectric film sensors are oppositely arranged to provide and press, and all can export electric curve of output when pressurized; This signal processor is electrically connected at these two piezoelectric film sensors with when the peak value of two electric curves of output or integral area value reach certain threshold values or interval value simultaneously, is triggered and starts corresponding function.
2. handheld device as claimed in claim 1, it is characterized in that: this inner core is plastic skeleton or metallic framework.
3. handheld device as claimed in claim 1 is characterized in that: this piezoelectric film sensor is for adopting the flexible sensor of piezoelectric membrane.
4. handheld device as claimed in claim 3 is characterized in that: this piezoelectric membrane is wherein a kind of in piezo-electric electret thin film, pvdf piezoelectric membrane, the piezoceramics film.
5. handheld device as claimed in claim 1, it is characterized in that: this signal processor comprises preamplifier, the digital-to-analogue converter, CPU, two piezoelectric film sensors of this preamplifier and this are electrically connected and receive the electrical output signal of these two piezoelectric film sensors, this digital-to-analogue converter is electrically connected at this preamplifier and two electrical output signals is carried out analog-to-digital conversion and transfer to this CPU, this CPU forms respectively two electric curves of output according to two electrical output signals, and when the peak value of two electric curves of output or integral area value reach certain threshold values or interval value simultaneously, triggered and started corresponding function.
6. handheld device as claimed in claim 1, it is characterized in that: this handheld device is mobile phone or remote controller.
7. handheld device as claimed in claim 1, it is characterized in that: at least another offside button that this handheld device also comprises on the two opposite outer that is embedded in this casing and is oppositely arranged, the piezoelectric film sensor of every offside button all is electrically connected at this signal processor, with when the peak value of the electric curve of output of every offside button or integral area value reach certain threshold values or interval value simultaneously, triggered and started corresponding function.
8. handheld device as claimed in claim 5, it is characterized in that: this signal processor also is provided with the power supply that this signal processor is provided electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071852 CN203206338U (en) | 2013-02-07 | 2013-02-07 | Hand-held device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071852 CN203206338U (en) | 2013-02-07 | 2013-02-07 | Hand-held device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206338U true CN203206338U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320071852 Expired - Fee Related CN203206338U (en) | 2013-02-07 | 2013-02-07 | Hand-held device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206338U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825991A (en) * | 2013-02-07 | 2014-05-28 | 贝辛电子科技（上海）有限公司 | Hand-held device |
| CN104022770A (en) * | 2014-06-09 | 2014-09-03 | 张家港市鸿嘉数字科技有限公司 | Home key capable of detecting pressing force for handheld device |
| CN104039104A (en) * | 2014-06-09 | 2014-09-10 | 张家港市鸿嘉数字科技有限公司 | Side key of handheld intelligent terminal |
| CN109100070A (en) * | 2018-09-27 | 2018-12-28 | 中国科学院深圳先进技术研究院 | A kind of sensor and the method for detecting haptic signal |
-
2013
- 2013-02-07 CN CN 201320071852 patent/CN203206338U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825991A (en) * | 2013-02-07 | 2014-05-28 | 贝辛电子科技（上海）有限公司 | Hand-held device |
| CN104022770A (en) * | 2014-06-09 | 2014-09-03 | 张家港市鸿嘉数字科技有限公司 | Home key capable of detecting pressing force for handheld device |
| CN104039104A (en) * | 2014-06-09 | 2014-09-10 | 张家港市鸿嘉数字科技有限公司 | Side key of handheld intelligent terminal |
| CN109100070A (en) * | 2018-09-27 | 2018-12-28 | 中国科学院深圳先进技术研究院 | A kind of sensor and the method for detecting haptic signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIGU NEW MATERIAL TECHNOLOGY (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: BEIXIN ELECTRONIC TECHNOLOGY (SHANGHAI) CO., LTD. Effective date: 20140820 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200092 YANGPU, SHANGHAI TO: 200082 YANGPU, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140820 Address after: 200082 Shanghai city Yangpu District Yixian Road No. 13 Building 25 room 1701D4 Patentee after: New material technology (Shanghai) Co., Ltd. Address before: 200092, room 4, building 65, 257 Chifeng Road, Shanghai, Yangpu District Patentee before: Bese Electronic Technology (Shanghai) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |