CN1143784A - Alert control circuit and method of paging receiver - Google Patents
Alert control circuit and method of paging receiver Download PDFInfo
- Publication number
- CN1143784A CN1143784A CN96108840A CN96108840A CN1143784A CN 1143784 A CN1143784 A CN 1143784A CN 96108840 A CN96108840 A CN 96108840A CN 96108840 A CN96108840 A CN 96108840A CN 1143784 A CN1143784 A CN 1143784A
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- motor
- vibrating
- control data
- pulse
- vibrating motor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B6/00—Tactile signalling systems, e.g. personal calling systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
An alert control circuit of paging receiver comprises a vibrating motor; a key-entry device with a vibrating grade setting key; a controler for setting motor control data corresponding to key-entry frequency and outputting motor control data when receiving information; a pulse generator for generating motor drive pulse with period corresponding to motor control data; a motor driver connected between pulse generator and vibrating motor for controling current added to vibrating motor by switching power supply in aid of drive pulse of motor therefore the vibration strength is adjusted by turnon /turnoff of vibrating motor based on voltage level detected.
Description
The present invention relates to a kind of alarm control circuit and the alarm control method of paging receiver, more particularly, relate to a kind of circuit and method according to power supply status control direct motor drive process.
About the present invention of the alarm control circuit of paging receiver and alarm control method proposes according to korean patent application 17844/1995, also this patented claim is included here, for various uses with reference to usefulness.
Usually, paging receiver adopts two kinds of alarm methods, and a kind of alarming method that adopts hummer, another kind are the vibratory drilling methods that adopts motor.The intensity of alerting tone or vibration can add that external resistance makes both the be together in series voltage that reduces hummer or motor and regulate the electric current of flowing through wherein and regulated by the interior resistance toward hummer or motor in the paging receiver.
Referring now to Fig. 1, general vibrating alert method is described.The present invention supposes that the interior resistance of motor M is RL.If micro treatmenting device MPU output logic " height " attitude signal, transistor Q conducting.At this moment transistor Q has pressure drop to produce under its saturation voltage (about 0.2 volt), thereby voltage V is arranged
CC-0.2 volt is added on motor M and the external resistance RX, thereby the electric current of the motor M that flows through can be obtained with following formula:
In the following formula, the electric current of the motor M that flows through changes with external resistance RX, thereby regulates the intensity of vibration.
Referring to Fig. 2.MPU connects a port in a plurality of ports, forms its corresponding path then.Among Fig. 2, MPU has two port PX1 and PX2, and motor M connects the resistance value of the driving circuit of this two-port respectively and gets different values each other, thereby the power of driving motor M has size.Yet, regulating under the situation of motor vibration intensity by motor drive circuit as shown in Figure 2, must adopt multi-level transistor and various resistance according to the intensity of vibration.In addition the port of MPU also must and the number of resistance as many.Therefore, if paging receiver needs the vibration of different brackets, the miniaturization of paging receiver is just had any problem, and cost improves.This is a problem.
In addition, in the general paging receiver, change not at the dead point that motor M occurs under vibration mode.In other words, motor changes not not reaching under the little drive current of its driving torque.
Therefore the purpose of this invention is to provide a kind of paging receiver oscillation intensity control circuit and the control method of the cycle of direct motor drive pulse under vibration mode of passing through to change with the control oscillation intensity.
Another object of the present invention provides the level of a kind of testing power of paging receiver, thereby the drive signal of controlling motor according to detected level is again regulated the control circuit and the control method of the intensity of vibration changeablely.
For reaching above-mentioned purpose of the present invention, paging receiver alarm control circuit of the present invention has: a vibrating motor; Key in device, a vibration class setting key is arranged for one; A controller is in order to set the Motor Control data suitable with keying in frequency and output motor control data when receiving information; A pulse producer is in order to the direct motor drive pulse suitable with the Motor Control data of generation cycle; With a motor driver, be connected between pulse producer and the vibrating motor, thus the intensity in order to regulate vibration according to detected voltage level on/off vibrating motor by direct motor drive pulses switch power.
Read following detailed description in conjunction with the accompanying drawings and be understood that above-mentioned and other all characteristics and advantage of the present invention.In the accompanying drawing:
Fig. 1 is the motor drive circuit figure of prior art paging receiver;
Fig. 2 is the circuit diagram of advantage in the prior art paging receiver/weak tendency driving motor;
Fig. 3 is the block scheme of paging receiver of the present invention;
Fig. 4 is the waveform of the characteristics of the present invention's motor drive signal of embodying paging receiver middle controller output;
Fig. 5 is the first driving circuit figure of motor in the paging receiver of the present invention;
Fig. 6 is the waveform of motor drive signal when adopting the motor drive circuit of Fig. 5;
Fig. 7 is the second driving circuit figure of motor in the paging receiver of the present invention;
Fig. 8 is the waveform of motor drive signal when adopting the motor drive circuit of Fig. 7.
Referring now to accompanying drawing, describes a most preferred embodiment of the present invention in detail.Be noted that parts same in the accompanying drawing or element adopt same numbering or symbolic representation as far as possible.
Term used herein " Motor Control data " is meant the data in order to the on/off cycle of setting the direct motor drive pulse." direct motor drive pulse " used herein speech is meant PWM (width modulation) signal of pulse producer according to the size generation of Motor Control data.
Fig. 3 is the block diagram of paging receiver.Referring to Fig. 3.Receiving trap 11 receives paging information and paging information is carried out frequency conversion, separates the mediation wave shaping.In other words, receiving trap 11 provides the paging information that converts numerical data to for decoding device 12.12 pairs of data of being received of decoding device are decoded, and set the working method of paging receiver then.In other words, decoding device 12 control power supply at the fixed time and detects state word synchronous data down and the frame data of being scheduled in batch detecting the advance data under the idle condition, then detected frame data is decoded into original data.Cell apparatus 14 provides operating voltage for the each several part of paging receiver.Cell apparatus 14 can be a battery.Conversion equipment 13 is through the power control signal conversion of decoding device 12, thereby the power supply process of receiving trap 11 is given in control.
Keying in device 20 has various key buttons, uses for setting the various function of paging receiver.In addition, key in device 20 and also have a grade key button in order to set the oscillation intensity under the vibration mode by the present invention.Voltage-level detector 19 connects cell apparatus 14, and its effect is the level that detects voltage.Voltage-level detector 19 can be made of multilevel comparator, also can adopt A/D converter.
Controller 15 has a read only memory ROM and a random access memory ram, program and program of the present invention that the former notifies from a phone call in order to storage, the data of the latter in order to produce in the interim stored programme implementation.Controller 15 can adopt single chip microcontroller.If key in device 20 input rank keys, controller 15 is just counted out the frequency of input, produces the Motor Control data, for according to count value driving motor usefulness under vibration mode, deposits among the RAM then.In addition, the voltage level of controller 15 analytical voltage detecting devices 19 outputs produces the Motor Control data according to the result who analyzes, and then it is deposited among the RAM.In addition, controller 15 also has an acoustic impluse generator, and for drive hummer under the sound alert mode, driving motor is used under vibration mode.
Controller 15 receives from the data of decoding device 12 through decoding, handles the data of being received, and produces the alarm control signal.Under the situation of sound alert mode, controller 15 control sound pulse producers make it produce the hummer driving pulse.Under the situation of vibrational state, controller 15 control vibratory impulse generators make it produce the direct motor drive pulse according to the Motor Control data.
Alarm generating means 18 has a buzzer driver for produce alerting tone under the sound alert mode, also has a motor driver for produce vibration signal under the vibrating alert pattern.Alarm generating means 18 produces alerting tone when receiving the hummer driving pulse of self-controller 15, produces vibration signal when receiving the direct motor drive pulse.Display device 17 shows from calling party's the information and the information of relevant paging receiver duty according to the display control signal of controller 15 outputs.Address information that storer 16 storages are intrinsic and branch are tasked the frame information of paging receiver.
Fig. 4 is the waveform that the present invention embodies the direct motor drive pulse characteristics of controller output.Said above that controller 15 had a direct motor drive pulse producer to use for producing the direct motor drive pulse according to the Motor Control data.The direct motor drive pulse producer produces PWM formula pulse signal according to the Motor Control data.Like this, if the value of Motor Control data is big, the direct motor drive pulse producer just produces " high value " long direct motor drive pulse of time, if the value of Motor Control data is little, the direct motor drive pulse producer just produces " high value " short direct motor drive pulse of time.
Controller 15 is set the Motor Control data according to the output of keying in device 20 or voltage-level detector 19.Set before the Motor Control data output of controller 15 analytical voltage detecting devices 19.If the output of voltage-level detector 19 is normal operational voltage level, control 15 just with the Motor Control data setting in the level that sets by key entry device 20.Therefore, if the voltage level of paging receiver can carry out normal running, the user can set the Motor Control data and send alarm with desired vibration grade.But if the output of the voltage of voltage-level detector 19 is lower than the normal working voltage level, controller 15 is just set the Motor Control data setting to the output of voltage-level detector 19 level, and irrelevant with the vibration class of keying in device 20 settings.Motor Control data by above-mentioned setting are deposited in the given zone of RAM in the controller 15.If receive information under vibration mode, controller 15 is just read and the Motor Control data of analyzing stored in RAM, and clamp-pulse generator makes it produce the pulse of the corresponding PWM formula of Motor Control data direct motor drive then.
As mentioned above, if controller 15 produces the direct motor drive pulse under vibration mode, thereby power supply transfer is gone up the intensity of control vibration to driving motor M as Fig. 5 or motor drive circuit shown in Figure 7 in the alarm generating means 18.In structure motor drive circuit as shown in Figure 5, resistor R meets the output terminal PX of pulse producer in the controller 15.Transistor Q is connected between vibrating motor M and the ground, its base stage termination resistor R.Vibrating motor M is connected V
CCAnd between the transistor Q.
Pulse producer in the controller 15 produces the direct motor drive pulse of having carried out width modulation already according to the Motor Control data value, as shown in Figure 6, in other words, if the Motor Control data value is big, pulse producer produces " high value " direct motor drive pulse that the time is long, " low value " time is short, as shown in the 6d of Fig. 6.In the case, because time of transistor Q conducting is long, thereby be added to the electric current increase of vibrating motor M, thereby make vibrating motor M judder.If the Motor Control data value is little, pulse producer produces " high value " direct motor drive pulse that the time is short, " low value " time is long, as shown in the 6a of Fig. 6.In the case, because time of transistor Q conducting is short, thereby the electric current that is added to vibrating motor M reduces, thereby makes a little less than the impetus of vibrating motor M vibration.Like this, in structure motor drive circuit as shown in Figure 5, the direct motor drive pulse (as shown in Figure 6) of pulse producer output directly is added on the vibrating motor M in the controller 15.Therefore, thus the drive current of the motor M that flows through is the oscillation intensity of regulate regulating vibrating motor M according to the signal pattern that is added to vibrating motor.
On the contrary, if use the driving pulse of the low-pass filter leveling motor shown in Fig. 7, can drive vibrating motor with the average voltage of motor driving pulse.In motor drive circuit shown in Figure 7, resistor R meets the output terminal PX of pulse producer in the controller 15, and capacitor C is connected between resistor R and the ground.Resistor R and capacitor C supply smooth direct motor drive pulse of receiving as low-pass filter, thereby convert thereof into average voltage.Transistor Q is connected between vibrating motor M and the ground, and its base stage connects the output terminal of low-pass filter.Vibrating motor M is connected V
CCAnd between the transistor Q.
Pulse producer in the controller 15 produces the direct motor drive pulse of carrying out width modulation according to the Motor Control data value, as shown in 8a, the 8c of Fig. 8,8e.After this, the direct motor drive pulse converts its average voltage to by resistor R and capacitor C through low-pass filtering, shown in 8b, the 8d of Fig. 8,8f.Then, the direct motor drive voltage after low-pass filtering makes transistor Q conducting, thus the course of work of control vibrating motor M.If the Motor Control data value is big, pulse producer produces the long short direct motor drive pulse of " low value " time of " high value " time, as shown in the 8e of Fig. 8.Then resistor R and capacitor C carry out low-pass filtering to the direct motor drive pulse, and convert thereof into average voltage, shown in the 8f of Fig. 8.In the case, because the ON time of transistor Q is long, thereby be added to the electric current increase of vibrating motor M, thereby make the oscillation intensity of vibrating motor M big.If the Motor Control data value is little, then pulse producer produces the short long direct motor drive pulse of " low value " time of " high value " time, as shown in the 8a of Fig. 8.Then resistor R and capacitor C carry out low-pass filtering to the direct motor drive pulse, and convert thereof into average voltage, as shown in the 8b of Fig. 8.In the case, because the ON time of transistor Q is short, the electric current that is added to vibrating motor M reduces, thereby makes the oscillation intensity of vibrating motor M little.Like this, in motor drive circuit shown in Figure 7, the direct motor drive pulse of pulse producer output is added on the vibrating motor M after converting its average voltage to.Therefore, the drive current of the motor M that flows through is to regulate according to the signal pattern that is added on the vibrating motor M, thus the intensity of regulating vibrating motor M vibration.
In sum, in paging receiver of the present invention, pulse power is added on the vibrating motor under vibration mode, thereby has overcome the dead point of motor." dead point " used herein is even a speech is meant the logical situation that powers on and also can not change of the rotor of motor.Because the driving power of vibrating motor is to add up with the form of pulse, thereby the rotor of vibrating motor strengthened repeatedly, thereby overcome the dead point.In addition, because controller is by the oscillation intensity that produces direct motor drive pulse regulation vibrating motor, thereby paging receiver need not adopt the multi-stage motor drive circuit, thereby reduced the number of director port, simplified the structure of motor drive circuit.In addition, owing to the oscillation intensity of vibrating motor can be regulated by the state of supply voltage or user's setting value, thereby can avoid unnecessary power consumption.
Just the present invention thinks that at present illustrated embodiments describes above, but self-evident, without departing from the scope of the invention, the experts in present technique field can carry out all changes and modification to the foregoing description.Therefore, the present invention is not limited to most preferred embodiment of the present invention disclosed herein, and comprises that all belong to the embodiment of this instructions appended claims scope.
Claims (5)
1. a kind of alarm control circuit of paging receiver is characterized in that it comprises:
A vibrating motor;
Key in device for one, use for setting vibration class;
A controller, confession are set corresponding to the Motor Control data of described key button incoming frequency and export described Motor Control data when being received information;
A pulse producer is for the direct motor drive pulse of generation cycle corresponding to described Motor Control data; With
A motor driver is connected between described pulse producer and the vibrating motor, thereby for switch the electric current that power supply control is added to described vibrating motor by described direct motor drive pulse;
Like this, the intensity by vibrating with adjusting according to the described vibrating motor of described detected voltage level on/off.
2. circuit as claimed in claim 1 is characterized in that, described motor driver has the driving pulse of a smooth circuit for smooth described motor.
3. a kind of alarm control circuit of paging receiver is characterized in that it comprises:
A vibrating motor;
A detecting device is for the testing voltage level;
A controller is for setting the control data of motor and export described Motor Control data when receiving information according to detected voltage level;
A pulse producer is for the direct motor drive pulse of generation cycle corresponding to described Motor Control data;
A motor driver is connected between described pulse producer and the vibrating motor, thereby for switch the electric current that power supply control is added to described vibrating motor by described direct motor drive pulse;
Like this, the intensity by vibrating with adjusting according to the described vibrating motor of described detected voltage level on/off.
4. circuit as claimed in claim 3 is characterized in that, described motor driver has the driving pulse of a smoothing circuit for smooth described motor.
5. a kind of alarm control method of paging receiver, described beeper have a vibrating motor and adopt cell voltage as operating voltage, it is characterized in that described method comprises the following steps:
Detect the level of cell output voltage;
Set for the Motor Control data that drive described vibrating motor according to detected voltage level;
Produce the direct motor drive pulse of cycle when receiving information corresponding to the Motor Control data of described setting;
Thereby by the intensity of regulating vibration according to the described vibrating motor of described detected voltage level on/off.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR17844/95 | 1995-06-28 | ||
| KR1019950017844A KR0167319B1 (en) | 1995-06-28 | 1995-06-28 | Alarm control circuit of wireless paging receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1143784A true CN1143784A (en) | 1997-02-26 |
Family
ID=19418533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96108840A Pending CN1143784A (en) | 1995-06-28 | 1996-06-28 | Alert control circuit and method of paging receiver |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR0167319B1 (en) |
| CN (1) | CN1143784A (en) |
| AU (1) | AU694015B2 (en) |
| TW (1) | TW302576B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000044442A (en) * | 1998-12-30 | 2000-07-15 | 윤종용 | Variable vibrator of wireless terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0511580U (en) * | 1991-07-24 | 1993-02-12 | 日本電気株式会社 | Individual call receiver |
| JPH06177817A (en) * | 1992-12-08 | 1994-06-24 | Nec Corp | Radio selective call receiver |
-
1995
- 1995-06-28 KR KR1019950017844A patent/KR0167319B1/en not_active IP Right Cessation
-
1996
- 1996-04-22 TW TW085104793A patent/TW302576B/zh active
- 1996-05-06 AU AU52077/96A patent/AU694015B2/en not_active Ceased
- 1996-06-28 CN CN96108840A patent/CN1143784A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU5207796A (en) | 1997-01-09 |
| KR0167319B1 (en) | 1999-02-01 |
| AU694015B2 (en) | 1998-07-09 |
| KR970004411A (en) | 1997-01-29 |
| TW302576B (en) | 1997-04-11 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |