CN102215288A - Handheld device capable of automatically switching between handheld mode and non-handheld mode and method thereof - Google Patents
Handheld device capable of automatically switching between handheld mode and non-handheld mode and method thereof Download PDFInfo
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- CN102215288A CN102215288A CN2010101576157A CN201010157615A CN102215288A CN 102215288 A CN102215288 A CN 102215288A CN 2010101576157 A CN2010101576157 A CN 2010101576157A CN 201010157615 A CN201010157615 A CN 201010157615A CN 102215288 A CN102215288 A CN 102215288A
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Abstract
The invention discloses a handheld device capable of automatically switching between a handheld mode and a non-handheld mode and a method thereof. The handheld device capable of automatically switching between the handheld mode and the non-handheld mode comprises a sensing unit, a control unit, a computing unit and a mode control unit; the sensing unit generates a sensing result according to a condition whether the contact from an user is received; the control unit sends a charging-discharging signal to the sensing unit and charges and discharges the sensing unit by utilizing the charging-discharging signal; the computing unit is coupled with the sensing unit and used for generating a mode control signal according to the sensing result; and the mode control unit is coupled with the computing unit and used for controlling the handheld device to be in the handheld mode or the non-handheld mode according to the mode control signal.
Description
Technical field
The present invention relates to the handheld apparatus and the corresponding control methods thereof of a kind of hand-held mode that automaticallyes switch/non-hand-held mode, particularly relate to and a kind ofly come sensing whether to receive that the user touches and control this sensing cell by a control unit, use differentiation and " hand " handheld apparatus and corresponding control methods thereof with the behavior of " non-hand-held " by a sensing cell.
Background technology
In the flourish advanced information society in wireless telecommunications networking, handheld apparatus such as mobile phone, personal digital assistant have become one of the most general communication tool of society utilization.Yet, though handheld apparatus is defined by " can by the user with the hand-held device that has ", but with regard to existing handheld apparatus, device itself also has no way of learning whether whether " had with hand-held " by the user, therefore in operation, also can't adjust the setting of handheld apparatus automatically in response to " hand holding state " and " non-hand holding state ", also thereby can't produce the handheld apparatus of " intelligent ", on a lot of the application, can cause user's inconvenience.
Therefore, how promoting the convenience of handheld apparatus and increase the more additional function of handheld apparatus, also is one of the important topic in the design field.
Summary of the invention
Therefore, one of purpose of the present invention is to propose the handheld apparatus and the corresponding control methods thereof of a kind of hand-held mode that automaticallyes switch/non-hand-held mode, to solve the above problems.
The present invention discloses the handheld apparatus of a kind of hand-held mode that automaticallyes switch/non-hand-held mode, includes: a sensing cell, a control unit, an arithmetic element and a pattern control unit.Sensing cell is used for touching according to whether receiving a user, to produce a sensing result.Control unit is used for sending one and discharges and recharges signal to this sensing cell, and utilizes this to discharge and recharge signal and come this sensing cell is carried out charge and discharge.Arithmetic element is coupled to this sensing cell, is used for producing a pattern controlling signal according to this sensing result.The pattern control unit is coupled to this arithmetic element, is used for controlling this handheld apparatus according to this pattern controlling signal and is in a hand-held pattern or a non-hand-held mode.In an embodiment, this sensing result is a sensing voltage, and this arithmetic element is a voltage comparator.
The present invention also discloses the handheld apparatus of a kind of hand-held mode that automaticallyes switch/non-hand-held mode, includes: a sensing cell, a control unit, a counting module, an arithmetic element and a pattern control unit.Sensing cell is used for touching according to whether receiving a user, to produce a sensing result.Control unit is used for sending the pulse of one-period property and gives this sensing cell, and utilizes these recurrent pulses to come this sensing cell is carried out periodically charge and discharge.Counting module is coupled to this control unit and this sensing cell, is used for the umber of pulse of these recurrent pulses is counted, and receives this user when touching in the indication of this sensing result, exports a count value.Arithmetic element is coupled to this counting module, is used for producing a pattern controlling signal according to this count value.The pattern control unit is coupled to this arithmetic element, is used for controlling this handheld apparatus according to this pattern controlling signal and is in a hand-held pattern or a non-hand-held mode.In an embodiment, this counting module includes a counter and a voltage comparator.
The present invention also discloses a kind of method of pattern of control one handheld apparatus, includes following steps: send one and discharge and recharge signal to a sensing cell, and utilize this to discharge and recharge signal and come this sensing cell is carried out charge and discharge; Whether this sensing cell basis receives a user is touched, to produce a sensing result; Produce a pattern controlling signal according to this sensing result; And control this handheld apparatus according to this pattern controlling signal and be in a hand-held pattern or a non-hand-held mode.
The present invention also discloses a kind of method of pattern of control one handheld apparatus, includes following steps: send the pulse of one-period property and give a sensing cell, and utilize these recurrent pulses to come a sensing cell is carried out periodically charge and discharge; Whether this sensing cell basis receives a user is touched, to produce a sensing result; Umber of pulse to these recurrent pulses is counted, and receives this user when touching in the indication of this sensing result, exports a count value; Produce a pattern controlling signal according to this count value; And control this handheld apparatus according to this pattern controlling signal and be in a hand-held pattern or a non-hand-held mode.
Description of drawings
Fig. 1 is can the automatically switch schematic diagram of an embodiment of handheld apparatus of hand-held mode/non-hand-held mode of the present invention.
Fig. 2 is the functional block diagram of first exemplary embodiment of handheld apparatus shown in Figure 1.
Fig. 3 touches and receives the signal waveform figure of the sensing voltage that is produced under the situation that the user touches for sensing cell shown in Figure 2 not receiving the user.
Fig. 4 is the functional block diagram of second exemplary embodiment of handheld apparatus shown in Figure 1.
The signal waveform figure of the sensing voltage that Fig. 5 is produced for sensing cell shown in Figure 4 in discharge regime and in the charging stage (comprise do not receive the user touch and receive under the situation that the user touches).
Fig. 6 controls the flow chart of an example operation of method of the pattern of a handheld apparatus for the present invention.
Fig. 7 controls the flow chart of another example operation of method of the pattern of a handheld apparatus for the present invention.
The reference numeral explanation
100,400 handheld apparatus
110,410 control units
120,420 sensing cells
130,430 arithmetic elements
132,452 voltage comparators
140,440 pattern control units
Scharge discharges and recharges signal
The Vs sensing voltage
V
THCritical voltage
SC pattern controlling signal
The MD1 hand-held mode
The non-hand-held mode of MD2
V1, V2 current potential
S1, S2, S3, S4, S5 curve
SW1 first switch
The SW2 second switch
450 counting modules
454 counters
432 comparators
The Nc count value
N
THCritical value
The EN enable signal
#EN forbidden energy signal
The SS1 first switch signal
SS2 second switch signal
The VD predetermined potential
T1, t2 time
S600～S622, S700～S722 step
Embodiment
Please in the lump with reference to figure 1 and Fig. 2, wherein, Fig. 1 is can the automatically switch schematic diagram of an embodiment of handheld apparatus 100 of hand-held mode/non-hand-held mode of the present invention, and Fig. 2 then is the functional block diagram of first exemplary embodiment of handheld apparatus 100 shown in Figure 1.As shown in Figure 1, handheld apparatus 100 includes a control unit 110 and a sensing cell 120, in present embodiment, sensing cell 120 is to be done in fact by a conductive material, and this conductive material can be attached to the case surface of handheld apparatus 100 or be embedded in the inside of shell, and can come sensing whether to receive a user by the mode of mode that directly contacts or indirect induction and touch.Control unit 110 then is to be coupled to sensing cell 120, is used for the running of sense of control measurement unit 120.
As shown in Figure 2, handheld apparatus 100 includes (but being not limited to) control unit 110, a sensing cell 120, an arithmetic element 130 and a pattern control unit 140.Wherein, control unit 110 is used for sending one and discharges and recharges signal Scharge and give sensing cell 120, and utilizes and discharge and recharge signal Scharge and come sensing cell 120 is carried out charge and discharge.In present embodiment, discharge and recharge signal Scharge and can be one-period property pulse (periodic pulse), so control unit 110 utilizes these recurrent pulses to come sensing cell 120 is carried out periodically charge and discharge.Sensing cell 120 is coupled to control unit 110, and it touches and produce a sensing result according to whether receiving a user, and in present embodiment, this sensing result that sensing cell 120 is produced is a sensing voltage Vs, but this is not a restrictive condition of the present invention.Then, arithmetic element 130 is coupled to sensing cell 120, and produces a pattern controlling signal SC according to this sensing result (that is, sensing voltage Vs) and give pattern control unit 140.Pattern control unit 140 then is coupled to arithmetic element 130, is used for controlling handheld apparatus 100 according to pattern controlling signal SC and is in a hand-held pattern MD1 or a non-hand-held mode MD2.
In present embodiment, arithmetic element 130 can be realized by a voltage comparator (for example, 132), but this is not a restrictive condition of the present invention.Voltage comparator 132 is with a sensing voltage Vs and a critical voltage V
THCompare, give pattern control unit 140 to produce pattern controlling signal SC.For example, when sensing voltage Vs less than critical voltage V
THThe time (that is, Vs＜V
TH), pattern controlling signal SC has one first logic level (for example: " 1 "), and pattern control unit 140 meetings this moment be controlled handheld apparatus 100 according to the pattern controlling signal SC with this first logic level and be in hand-held mode MD1; Anti-, when sensing voltage Vs is not less than critical voltage V
THThe time (that is, Vs 〉=V
TH), pattern controlling signal SC has one second logic level, and pattern control unit 140 meetings this moment be controlled handheld apparatus 100 according to the pattern controlling signal SC with this second logic level and be in non-hand-held mode MD2.
Please note, disclosed handheld apparatus 100 is to come sensing whether to receive a user by sensing cell 120 (can be done in fact by case surface that is attached to handheld apparatus 100 or the conductive material that is embedded in housings) to touch, and come sensing cell 120 is carried out charge and discharge by control unit 110, distinguish the purpose of " handing " and " non-hand-held " to reach.For example, please in the lump with reference to figure 3, Fig. 3 touches and receives the signal waveform figure of the sensing voltage Vs that is produced under the situation that the user touches for sensing cell 120 shown in Figure 2 not receiving the user.Under the situation that user's finger or human body do not touch the sensing cell 120 on the handheld apparatus 100 (that is, not receiving the user touches), because control unit 110 meeting utilizations discharge and recharge signal Scharge and come sensing cell 120 is carried out periodically charge and discharge, therefore in a charging stage, can form a charge path between control unit 110 and the sensing cell 120, and in a discharge regime, then can form a discharge path between control unit 110 and the sensing cell 120, thus, the sensing voltage Vs of sensing cell 120 will maintain a fixed potential V1, shown in first curve S 1 among Fig. 3.And user's finger or human body touches or with the hand-held situation that sensing cell 120 on the handheld apparatus 100 arranged under (that is, receive the user and touch), will change the discharge path and the discharge loop of sensing unit 120.In other words, user's finger or human body and control unit 110, sensing cell 120 can be with forming another discharge path between the earth, and handheld apparatus 100 a membership discharge path are thus led the electric charge of sensing cell 120, thus, the current potential of the sensing voltage Vs that 120 of sensing cells can be kept will be changed (decline), shown in second curve S 2 among Fig. 3, the sensing voltage Vs of sensing cell 120 can drop to another current potential V2.
Please note, above-mentioned handheld apparatus 100 can be a mobile phone (mobile phone), a personal digital assistant (personal digital assistant, PDA), a PDA-phone (PDA phone) or an intelligent mobile phone (smart phone), but the present invention is not limited thereto, also can be the handheld apparatus of other kind.Moreover, the non-hand-held mode MD2 of above-mentioned hand-held mode MD1/ can be relevant to the application settings of handheld apparatus 100, for example: application functions such as the automatic switchover of incoming call vibrations control, the pattern that amplifies and hand-held mode, the control of sound size, those skilled in the art should understand, the various variations of the related application of hand-held mode MD1 and non-hand-held mode MD2 all are feasible, visual actual demand and designing.
Please refer to Fig. 4, Fig. 4 is the functional block diagram of second exemplary embodiment of handheld apparatus shown in Figure 1.In present embodiment, handheld apparatus 400 includes (but being not limited to) control unit 410, a sensing cell 420, an arithmetic element 430, a pattern control unit 440, a counting module 450, one first switch SW 1 and a second switch SW2.Since the relevant running of control unit 410, sensing cell 420 be with Fig. 2 in control unit 110, sensing cell 1,200 minutes similar, for identical for purpose of brevity part just repeats no more.It should be noted that control unit 410 can produce an activation signal EN in addition and gives counting module 450, also produce one first switch signal SS 1 and give first switch SW 1, and also produce a second switch signal SS2 and give second switch SW2.Counting module 450 then is to be coupled to control unit 410 and sensing cell 420, when receiving enable signal EN, counting module 450 can begin (for example to be discharged and recharged signal Scharge to what control unit 410 sent, the pulse of one-period property) umber of pulse is counted, and receive a user when touching in sensing cell 420, stop counting and export a count value Nc, wherein count value Nc is corresponding to a gate time.Then, arithmetic element 430 is coupled to counting module 450, and produces a pattern controlling signal SC to pattern control unit 440 according to count value Nc (perhaps gate time).Pattern control unit 440 then is coupled to arithmetic element 430, is used for controlling handheld apparatus 400 according to pattern controlling signal SC and is in hand-held mode MD1 or non-hand-held mode MD2.
In present embodiment, counting module 450 is realized that by a voltage comparator 452 and a counter (counter) 454 wherein voltage comparator 452 is with a sensing voltage Vs and a critical voltage V
THCompare, whether export a forbidden energy (disable) signal #EN with decision.For example, when sensing voltage Vs greater than critical voltage V
THThe time, this moment, voltage comparator 452 meeting output forbidden energy signal #EN gave counter 454; Be not more than critical voltage V and work as sensing voltage Vs
THThe time, 452 of voltage comparators can not exported forbidden energy signal #EN and give counter 454.Counter 454 then is coupled to voltage comparator 452, after receiving enable signal EN, just can begin counting and (for example discharge and recharge signal Scharge, the pulse of one-period property) umber of pulse, and when receiving forbidden energy signal #EN, stop counting to obtain count value Nc (perhaps gate time).
Moreover arithmetic element 430 is to be realized by a comparator (for example, 432), but this is not a restrictive condition of the present invention.Comparator 432 is with a count value Nc and a critical value N
THCompare, give pattern control unit 440 to produce pattern controlling signal SC.For example, when count value Nc less than critical value N
THThe time (that is, Nc＜N
TH), pattern controlling signal SC has one first logic level (for example: " 1 "), and pattern control unit 440 meetings this moment be controlled handheld apparatus 400 according to the pattern controlling signal SC with this first logic level and be in hand-held mode MD1; Otherwise, when count value Nc is not less than critical value N
THThe time (that is, Nc 〉=N
TH), pattern controlling signal SC has one second logic level, and pattern control unit 440 meetings this moment be controlled handheld apparatus 400 according to the pattern controlling signal SC with this second logic level and be in non-hand-held mode MD2.
In addition, first switch SW 1 is to be coupled between control unit 410 and the sensing cell 420, and control unit 410 is to determine whether conducting first switch SW 1 according to the first switch signal SS1, whether will send sensing cell 420 to discharging and recharging signal Scharge with decision.Second switch SW2 is coupled between a sensing cell 420 and the earth terminal, and control unit 410 is to determine whether conducting second switch SW2 according to second switch signal SS2.It should be noted that in a charging stage, first switch SW 1 for conducting and second switch SW2 for closing, this moment control unit 410, first switch SW 1 and sensing cell 420 formation one charge path; And in a discharge regime, first switch SW 1 is for closing and second switch SW2 is conducting, and this moment, second switch SW2 and sensing cell 420 formed a discharge path.
Please in the lump with reference to figure 5, the signal waveform figure of the sensing voltage Vs that Fig. 5 is produced for sensing cell 420 shown in Figure 4 in discharge regime and in the charging stage (comprise do not receive the user touch and receive under the situation that the user touches).At first, in discharge regime, the conductive material with sensing cell 420 drains electric charge by discharge path earlier, shown in the 5th curve S 5 among Fig. 5.Then, in the charging stage, open charge path, next describe in two kinds of situation: under the situation that user's finger or human body do not touch the sensing cell 420 on the handheld apparatus 400 (that is, not receiving the user touches), because control unit 410 meeting utilizations discharge and recharge signal Scharge and come sensing cell 420 is carried out periodically charge and discharge, therefore the sensing voltage Vs of sensing cell 420 can be at a period of time t1 (at this moment, count value Nc is corresponding to N1 umber of pulse) within just charging arrive predetermined potential VD, shown in the 3rd curve S 3 among Fig. 5.And user's finger or human body touches or with the hand-held situation that sensing cell 420 on the handheld apparatus 400 arranged under (that is, receiving the user touches), can change the equivalent quantity of electric charge because of user's finger or touching of human body, therefore will change the charging interval of sensing unit 420.Thus, just needing can charge afterwards through t2 (at this moment, count value Nc is corresponding to N2 umber of pulse) after a while, sensing cell 420 arrives predetermined potential VD, shown in the 4th curve S 4 among Fig. 5.
In brief, in first embodiment, do not touch under the situation of the sensing cell 120 on the handheld apparatus 100 at user's finger or human body, sensing voltage Vs can maintain current potential V1 and be not less than critical voltage V
TH(that is, Vs 〉=V
TH), pattern control unit 140 just can be controlled handheld apparatus 100 and was in non-hand-held mode MD2 this moment; And at user's finger or human body touches or have under the situation of the sensing cell 120 on the handheld apparatus 100 with hand-held, sensing voltage Vs can drop to current potential V2 and less than critical voltage V
TH(that is, Vs＜V
TH), pattern control unit 140 just can be controlled handheld apparatus 100 and was in hand-held mode MD1 this moment.
In addition, in second embodiment, finger or human body the user do not touch under the situation of the sensing cell 420 on the handheld apparatus 400, the sensing voltage Vs of sensing cell 420 can just charge within a period of time t1 and arrive predetermined potential VD, that is to say, counting module 450 resulting count value Nc (or gate time) less (that is, Nc＜N
TH), pattern control unit 440 just can be controlled handheld apparatus 400 and was in non-hand-held mode MD2 this moment; And at user's finger or human body touches or have under the situation of the sensing cell 420 on the handheld apparatus 400 with hand-held, sensing cell 420 need can charge after t2 after a while and arrive predetermined potential VD, that is to say, counting module 450 resulting count value Nc (or gate time) big (that is, Nc 〉=N
TH), pattern control unit 440 just can be controlled handheld apparatus 400 and was in hand-held mode MD1 this moment.Thus, handheld apparatus 100,400 just can reach the purpose of automatic switchover (or control) hand-held mode/non-hand-held mode, and and then promotes the additional function of handheld apparatus 100,400 and bring the user more convenience.
Please refer to Fig. 6, Fig. 6 controls the flow chart of an example operation of method of the pattern of a handheld apparatus for the present invention, this method comprises following step (if note that and can obtain roughly the same result, then the following step and non-limiting will the execution according to order shown in Figure 6):
Step S600: beginning.
Step S602: send one and discharge and recharge signal, and utilize this to discharge and recharge signal and come this sensing cell is carried out charge and discharge to a sensing cell.
Step S604: whether this sensing cell basis receives a user is touched, to produce a sensing result (sensing voltage).
Step S606: this sensing voltage and a critical voltage are compared.When this sensing voltage during less than this critical voltage, execution in step S610; Otherwise, execution in step S620.
Step S610:, produce this pattern controlling signal with one first logic level when this sensing voltage during less than this critical voltage.
Step S612: control this handheld apparatus according to this pattern controlling signal and be in hand-held mode with this first logic level.
Step S620: when this sensing voltage is not less than this critical voltage, produce this pattern controlling signal with one second logic level.
Step S622: control this handheld apparatus according to this pattern controlling signal and be in this non-hand-held mode with this second logic level.
, can understand between each assembly and how to operate please in conjunction with Fig. 1, each assembly shown in Figure 2 and the signal waveform figure of Fig. 3 about each step shown in Figure 6, and for description for purpose of brevity, so the operation of each step just repeats no more among Fig. 6.Wherein, step S610～S612 is that expression handheld apparatus 100 is under the situation of hand-held mode MD1, and step S620～S622 then is that expression handheld apparatus 100 is under the situation of non-hand-held mode MD2.
Please refer to Fig. 7, Fig. 7 controls the flow chart of another example operation of method of the pattern of a handheld apparatus for the present invention.This method comprises (but being not limited to) following steps:
Step S700: beginning.
Step S702: send the pulse of one-period property and give a sensing cell, and utilize these recurrent pulses to come a sensing cell is carried out periodically charge and discharge.
Step S704: whether this sensing cell basis receives a user is touched, to produce a sensing result.
Step S706: the umber of pulse to these recurrent pulses is counted, and receives this user when touching in the indication of this sensing result, exports a count value.
Step S708: this count value and a critical value are compared.When this count value during greater than this critical value, execution in step S710; Otherwise, execution in step S720.
Step S710:, produce this pattern controlling signal with one first logic level when this count value during greater than this critical value.
Step S712: control this handheld apparatus according to this pattern controlling signal and be in this hand-held mode with this first logic level.
Step S720: when this count value is not more than this critical value, produce this pattern controlling signal with one second logic level.
Step S722: control this handheld apparatus according to this pattern controlling signal and be in this non-hand-held mode with this second logic level.
, can understand between each assembly and how to operate please in conjunction with Fig. 1, each assembly shown in Figure 4 and the signal waveform figure of Fig. 5 about each step shown in Figure 7, and for description for purpose of brevity, so the operation of each step just repeats no more among Fig. 7.Wherein, step S710～S712 is that expression handheld apparatus 400 is under the situation of hand-held mode MD1, and step S720～S722 then is that expression handheld apparatus 400 is under the situation of non-hand-held mode MD2.
The step of above-mentioned each flow process only for the present invention for feasible embodiment, and unrestricted restrictive condition of the present invention, and under the situation of spirit of the present invention, those methods can also comprise other intermediate steps or several steps can be merged into one step, to do suitable variation.
Above-described embodiment only is used for technical characterictic of the present invention is described, is not to be used for limiting to category of the present invention.As from the foregoing, the invention provides a kind of hand-held mode that automaticallyes switch/handheld apparatus of non-hand-held mode and relevant control method thereof.Coming sensing whether to receive a user by a sensing cell (can be done in fact by case surface that is attached to handheld apparatus or the conductive material that is embedded in housings) touches, and come this that sensing cell is carried out charge and discharge by control unit, because the sensing cell on the handheld apparatus (for example, conductive material) under situation about being touched by user's finger or human body, can change the discharge path and the quantity of electric charge originally, therefore can distinguish the state of " handing " and " non-hand-held " by this.Thus, could adjust the setting of handheld apparatus automatically in response to " hand holding state " and " non-hand holding state ", for example, application functions such as the automatic switchover that can increase sends a telegram here shakes control, the pattern that amplifies and hand-held mode, the control of sound size.Therefore, the disclosed handheld apparatus of the present invention can be given its more additional function, and brings the user more convenience.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (17)
1. handheld apparatus of hand-held mode/non-hand-held mode that can automatically switch includes:
One sensing cell is used for touching according to whether receiving a user, to produce a sensing result;
One control unit is used for sending one and discharges and recharges signal to this sensing cell, and utilizes this to discharge and recharge signal and come this sensing cell is carried out charge and discharge;
One arithmetic element is coupled to this sensing cell, is used for producing a pattern controlling signal according to this sensing result; And
One pattern control unit is coupled to this arithmetic element, is used for controlling this handheld apparatus according to this pattern controlling signal and is in a hand-held pattern or a non-hand-held mode.
2. handheld apparatus as claimed in claim 1, wherein this to discharge and recharge signal be the pulse of one-period property, and this control unit is to utilize these recurrent pulses to come this sensing cell is carried out periodically charge and discharge.
3. handheld apparatus as claimed in claim 1, wherein in a charging stage, this control unit and this sensing cell form a charge path; And in a discharge regime, this control unit and this sensing cell form a discharge path.
4. handheld apparatus as claimed in claim 1, wherein this sensing result is a sensing voltage, and this arithmetic element is to produce this pattern controlling signal by the voltage swing of measuring this sensing voltage.
5. handheld apparatus as claimed in claim 4, wherein this arithmetic element includes:
One voltage comparator is used for this sensing voltage and a critical voltage are compared, to produce this pattern controlling signal;
Wherein, when this sensing voltage during less than this critical voltage, this pattern controlling signal has one first logic level, and this pattern control unit is to control this handheld apparatus according to this pattern controlling signal with this first logic level to be in this hand-held mode; And
When this sensing voltage was not less than this critical voltage, this pattern controlling signal had one second logic level, and this pattern control unit is to control this handheld apparatus according to this pattern controlling signal with this second logic level to be in this non-hand-held mode.
6. handheld apparatus as claimed in claim 1, wherein this sensing cell comprises a conductive material.
7. handheld apparatus as claimed in claim 1, wherein this sensing cell be with the mode of indirect induction or directly the mode of contact receive this user and touch.
8. handheld apparatus as claimed in claim 1, it is a mobile phone, a personal digital assistant, a PDA-phone or an intelligent mobile phone.
9. handheld apparatus of hand-held mode/non-hand-held mode that can automatically switch includes:
One sensing cell is used for touching according to whether receiving a user, to produce a sensing result;
One control unit is used for sending the pulse of one-period property and gives this sensing cell, and utilizes these recurrent pulses to come this sensing cell is carried out periodically charge and discharge;
One counting module is coupled to this control unit and this sensing cell, is used for the umber of pulse of these recurrent pulses is counted, and receives this user when touching in the indication of this sensing result, exports a count value;
One arithmetic element is coupled to this counting module, is used for producing a pattern controlling signal according to this count value; And
One pattern control unit is coupled to this arithmetic element, is used for controlling this handheld apparatus according to this pattern controlling signal and is in a hand-held pattern or a non-hand-held mode.
10. handheld apparatus as claimed in claim 9, wherein this control unit also produces one first a switch signal and a second switch signal, and this handheld apparatus also comprises:
One first switch is coupled between this control unit and this sensing cell, is used for determining whether this first switch of conducting according to this first switch signal, to send these recurrent pulses to this sensing cell; And
One second switch is coupled between this sensing cell and the earth terminal, is used for determining whether this second switch of conducting according to this second switch signal.
11. handheld apparatus as claimed in claim 10, wherein in a charging stage, this first switch is conducting, this second switch for cutting out, and this control unit, this first switch and this sensing cell form a charge path.
12. handheld apparatus as claimed in claim 10, wherein in a discharge regime, this first switch for close, this second switch is conducting, and this second switch and this sensing cell form a discharge path.
13. handheld apparatus as claimed in claim 9, wherein this sensing result is a sensing voltage, and this counting module is to determine whether exporting this count value of being counted by the voltage swing of measuring this sensing voltage.
14. handheld apparatus as claimed in claim 13, wherein this control unit also produces an activation signal, and this counting module includes:
One counter begins to count the umber of pulse of these recurrent pulses when receiving this enable signal, and stops counting to obtain this count value when receiving a forbidden energy signal; And
One voltage comparator is used for this sensing voltage and a critical voltage are compared, and whether exports this forbidden energy signal with decision;
Wherein, when this sensing voltage during, export this forbidden energy signal and give this counter greater than this critical voltage; And when this sensing voltage is not more than this critical voltage, does not export this forbidden energy signal and give this counter.
15. handheld apparatus as claimed in claim 9, wherein this arithmetic element comprises:
One comparator is used for this count value and a critical value are compared, to produce this pattern controlling signal;
Wherein, when this count value during greater than this critical value, this pattern controlling signal has one first logic level, and this pattern control unit is to control this handheld apparatus according to this pattern controlling signal with this first logic level to be in this hand-held mode; And
When this count value was not more than this critical value, this pattern controlling signal had one second logic level, and this pattern control unit is to control this handheld apparatus according to this pattern controlling signal with this second logic level to be in this non-hand-held mode.
16. handheld apparatus as claimed in claim 9, wherein this sensing cell comprises a conductive material.
17. handheld apparatus as claimed in claim 9, wherein this sensing cell be with the mode of indirect induction or directly the mode of contact receive this user and touch.
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| CN102215288B (en) | 2013-11-27 |
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