CN107329597A - One kind reinforces TrackPoint - Google Patents

One kind reinforces TrackPoint Download PDF

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Publication number
CN107329597A
CN107329597A CN201710730397.3A CN201710730397A CN107329597A CN 107329597 A CN107329597 A CN 107329597A CN 201710730397 A CN201710730397 A CN 201710730397A CN 107329597 A CN107329597 A CN 107329597A
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China
Prior art keywords
trackpoint
silica gel
button
mcu chip
reinforcing
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Granted
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CN201710730397.3A
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CN107329597B (en
Inventor
邓成华
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Hunan Li Li Hao Electronic Technology Co Ltd
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Hunan Li Li Hao Electronic Technology Co Ltd
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Priority to CN201710730397.3A priority Critical patent/CN107329597B/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547Touch pads, in which fingers can move on a surface
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0338Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

TrackPoint is reinforced the invention discloses one kind, including TrackPoint silica gel push-button panel and TrackPoint control panel, the TrackPoint silica gel push-button panel includes silica gel rocking bar cap and silica gel push-button, the TrackPoint silica gel push-button panel-mounted is on TrackPoint control panel, the TrackPoint control panel includes thin-film pressure sensor, button electrode and MCU chip, the silica gel rocking bar cap is as pressure signal transmission medium, and the pressure signal transmission that outside finger is produced gives the thin-film pressure sensor.The reinforcing TrackPoint, the transmission signal vector of TrackPoint is used as using thin-film pressure sensor, the pressing signal of finger is converted into voltage signal, micro-chip processor passes through collection voltages signal, voltage signal is converted into the recognizable code of computer after being changed through A/D, so as to control cursor of mouse to move;The design of the TrackPoint overall plan is independent research, it is possible to achieve autonomous controllable purpose.

Description

One kind reinforces TrackPoint
Technical field
It is specially a kind of reinforcing TrackPoint the present invention relates to TrackPoint technical field.
Background technology
TrackPoint is the movement of control computer cursor of mouse and a kind of equipment for realizing mouse correlation function, and foreign countries are always Since technical monopoly and blocked styate are carried out to technique.
The trace ball and TrackPoint occurred in the market has a common feature:Pass through finger motion track ball Or presses, manipulate the movement of computer mouse cursor and realize left, center, right keypress function.For trace ball, such a scheme Cursor of mouse is controlled to move by finger motion track ball, its antivibration kinetic force and water resistance are poor, it is more acute in vibration Under strong environment, trace ball is easily moved, and influence is operated with.
For TrackPoint in the market using transmission medium of the sensor as signal;Such as Hall sensor, strain Formula pressure sensor;There is cursor of mouse using the TrackPoint of both sensors and move insensitive, the translational speed uniformity It is poor, the various problems such as service life is shorter.
Anti-vibration and poor waterproof properties on military trace ball, in the market TrackPoint movement are insensitive, service life is short, And only support USB or PS2.
The problems such as one of which interface is exported, trace ball and TrackPoint at present on the market are optimized from many aspects Improvement, but can not tackle the problem at its root.Therefore the autonomous controlling technology of TrackPoint is realized, in the market production is fundamentally solved The resistance to shock of product is poor, and mobile insensitive and service life is short, and the problems such as interface is single is the key point of such a TrackPoint.
The content of the invention
It is an object of the invention to break TrackPoint technical monopoly, existing TrackPoint is overcome the shortcomings of, from the pressure of TrackPoint Design is optimized in terms of force snesor, structure, Electro Magnetic Compatibility, the service life and user's body of lifting TrackPoint is reached Test, two kinds of interface outputs are realized, to meet corresponding industry application requirement.
To achieve the above object, the present invention provides following technical scheme:
One kind reinforces TrackPoint, including TrackPoint silica gel push-button panel and TrackPoint control panel, and the TrackPoint silica gel is pressed Keyboard plate includes silica gel rocking bar cap and silica gel push-button, and the TrackPoint silica gel push-button panel-mounted is on TrackPoint control panel, institute Stating TrackPoint control panel includes thin-film pressure sensor, button electrode and MCU chip;The silica gel rocking bar cap and the film Formula pressure sensor is connected, and the thin-film pressure sensor is connected with the MCU chip, and the silica gel rocking bar cap is used as pressure Signal transmits medium, and the pressure signal transmission that outside finger is produced on silica gel rocking bar cap is sensed to the diaphragm pressure Pressure signal is converted into voltage signal, output to the MCU chip by device, the thin-film pressure sensor;
The silica gel push-button is connected with the button electrode, and the button electrode is connected with the MCU chip, the silica gel Button transmits medium as push button signalling, by button sheet metal and the button electrode contact of its bottom, is pressed described in realization Key electrode outputs level signals are to the MCU chip;The MCU chip, which is received, comes from thin-film pressure sensor and button electrode Voltage signal and level signal;
Voltage signal and level signal are converted to computer and can recognize that by the MCU chip by internal AD conversion and calculating Code, realize cursor of mouse movement and left, center, right keypress function;
The MCU chip is connected with extraneous main frame, and the main frame is the MCU chip and other outer Circuit offer DC5V power supplys are enclosed to power.
Further, voltage signal and level signal are converted to calculating by the MCU chip by internal AD conversion and calculating The recognizable code of machine, realizes cursor of mouse movement and left, center, right keypress function;Simultaneously compatibility PS2 interfaces and USB interface and Computer communicates, and is PS2 interface communications under default situations, when PS2 interfaces are not connected, PS2 interface initializations can be caused to fail, At this moment it can automatically switch to and be communicated using USB interface with calculating.
Further, in addition to PS2 interfaces and USB interface, the PS2 interfaces and USB interface connect MCU chip, and MCU core Piece is connected by PS2 interfaces or USB interface with main frame, first, and TrackPoint sends instruction of shaking hands, and awaits a response, and is given directions Corresponding recognizer detection, which is shaken hands, in bar instructs and return code values, if the return code values detected match PS2 interfaces school Value is tested, mean that connection is PS2 interfaces, will be switched to PS2 interface drive programs, if the return code values matching detected To USB interface check value, mean that connection is USB interface, will switch to USB interface driver, if two interfaces All be not connected to, will discontinuity send and shake hands instruction, more than the stand-by period, mean that connection time-out, initialization fails, Ran Houzai Transmission is shaken hands instruction, is moved in circles, until powering off or connecting corresponding interface cable.
Further:The MCU chip is used without external crystal-controlled oscillation design.
Further:The main frame includes being provided with one layer between pcb board and casing, and pcb board and casing Screen layer.
As optional embodiment, lower ring-type limiting table, the TrackPoint silicon are provided with the TrackPoint control panel The upper annular limiting stand being nested therewith, the lower ring-type of upper annular limiting stand lower end insertion are provided with below glue key panel In limiting stand, both gaps coordinate, and are internally formed in the cavity of a Longitudinal extending, the cavity and are provided with capsule elastic telescopic Post.
Further:The capsule elastic telescopic post includes the upper shell and lower house of flexible material, the upper shell and Lower house, which covers to be formed in an internal cavity, the internal cavity, is provided with spring.
Further:The upper shell and/or lower house are flexible shell, institute made from plant cellulose and industrial gelatine State and be provided with folding part on upper shell and/or lower house.
Further:The upper end inner edge of the lower ring-type limiting table is provided with chamfering, the chamfering and sets regular flower Line, the upper annular limiting stand rule of correspondence decorative pattern position is provided with cooperation decorative pattern.
Further:The regular pattern is the shallow projection of the ring-type being arranged in chamfering, and the cooperation decorative pattern is to be arranged in The shallow projection of ring-type of upper annular limiting stand outer rim.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, a kind of reinforcing TrackPoint that the present invention is provided, is transmitted using thin-film pressure sensor as the signal of TrackPoint Medium, voltage signal is converted into by the pressing signal of finger, and micro-chip processor, will after being changed through A/D by collection voltages signal Voltage signal is converted into the recognizable code of computer, so as to control cursor of mouse to move;The design of the TrackPoint overall plan It is independent research, it is possible to achieve autonomous controllable purpose.
2nd, a kind of reinforcing TrackPoint that the present invention is provided, wherein thin-film pressure sensor has precision high, presses the life-span Long the advantages of, insensitive, the antivibration of TrackPoint movement can fundamentally be solved by using it as the signal transmission medium of TrackPoint The problems such as dynamic poor performance.
3rd, a kind of reinforce in TrackPoint, structure that the present invention is provided uses industry silicon rubber as the key face of TrackPoint Plate, its compression number is up to ten million time;Meanwhile, it can lift the classification of waterproof and service life of TrackPoint.
4th, a kind of reinforcing TrackPoint that the present invention is provided, by software algorithm optimization processing, realizes that two kinds of USB and PS2 connect Mouth output;In terms of electromagnetic Compatibility Design, TrackPoint MCU chip is used without external crystal-controlled oscillation design, and finger can be greatly lowered The radiosensitivity of point bar, increases by one layer of screen layer in PCB design, carries out good contact with casing, can largely increase The antistatic and antijamming capability of strong TrackPoint.
Brief description of the drawings
Fig. 1 is a kind of principle schematic diagram for reinforcing TrackPoint of the present invention;
Fig. 2 is a kind of PS2 interface and USB interface transport stream signal journey figure for reinforcing TrackPoint of the present invention.
In figure:1 TrackPoint silica gel push-button panel, 101 silica gel rocking bar caps, 102 silica gel push-buttons, 2 TrackPoint control panels, 201 Thin-film pressure sensor, 202 button electrodes, 203MCU chips.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of principle schematic diagram for reinforcing TrackPoint of the present invention.
The present invention provides a kind of technical scheme:One kind reinforces TrackPoint, including TrackPoint silica gel push-button panel 1 and indication Bar control panel 2, TrackPoint silica gel push-button panel 1 includes silica gel rocking bar cap 101 and silica gel push-button 102, TrackPoint silica gel push-button Panel 1 is assemblied on TrackPoint control panel 2, TrackPoint control panel 2 include thin-film pressure sensor 201, button electrode 202 with And MCU chip 203.
The reinforcing TrackPoint, using thin-film pressure sensor 201 as the transmission signal vector of TrackPoint, by finger Pressing signal is converted into voltage signal, and MCU chip (micro-chip processor) 203 is by collection voltages signal, by electricity after being changed through A/D Pressure signal is converted into the recognizable code of computer, so as to control cursor of mouse to move;The design of the TrackPoint overall plan is equal For independent research, it is possible to achieve autonomous controllable purpose.
The reinforcing TrackPoint, wherein thin-film pressure sensor 201 have precision high, the advantages of pressing long lifespan, use It can fundamentally solve TrackPoint as the signal transmission medium of TrackPoint and move insensitive, and shock resistance difference etc. is asked Topic.
Silica gel (Silica gel;Silica) alias:Silicic acid gel is a kind of high activity sorbing material, belongs to amorphous state thing Matter, its chemical molecular formula is mSiO2nH2O;Do not reacted in addition to highly basic, hydrofluoric acid with any material, it is water insoluble and appoint What solvent, nonpoisonous and tasteless, chemical property is stable.The silica gel of various models forms different micropore knots because its manufacture method is different Structure.The chemical composition and physical arrangement of silica gel, determine that there are many other same type of material to be difficult to replace to obtain feature for it:Adsorptivity Energy is high, heat endurance is good, chemical property is stable, have higher mechanical strength etc..Silica gel is divided into according to the size in its aperture:Macropore Silica gel, silochrom, Type B silica gel, Kiselgel A etc..
Using key panel of the industrial silicon rubber as TrackPoint in the reinforcing TrackPoint, structure, its compression number is reachable Ten million time;Meanwhile, it can lift the classification of waterproof and service life of TrackPoint.
Silica gel rocking bar cap 101 is as pressure signal transmission medium, and the pressure signal transmission that outside finger is produced is to film Pressure signal is converted into voltage signal, output to MCU chip 203 by formula pressure sensor 201, thin-film pressure sensor 201; Silica gel push-button 102 transmits medium as push button signalling, is contacted by the button sheet metal of its bottom with button electrode 202, realizes Button electrode outputs level signals are to MCU chip 203;MCU chip 203, which is received, comes from thin-film pressure sensor 201 and button The voltage signal and level signal of electrode 202;MCU chip 203 is by internal AD conversion and calculates voltage signal and level letter The recognizable code of computer number is converted to, cursor of mouse movement and left, center, right keypress function is realized;And it is special by software Algorithm process, exportable USB and PS2 interface signals to main frame, main frame is MCU chip 203 and other peripheries Circuit provides DC5V power supplys and powered.
The reinforcing TrackPoint, while compatibility PS2 communicates with USB interface with computer, communicates under default situations for PS2, when When PS2 interfaces are not connected with, PS2 interface initializations can be caused to fail, at this moment can automatically switched to logical with calculating using USB interface Letter.
MCU chip (micro-control unit), also known as one chip microcomputer (Single ChipMicrocomputer) or Single-chip microcomputer, is central processing unit (Central Process Unit;CPU frequency) does appropriate reduction with specification, and will be interior The perimeter interfaces such as (memory), counter (Timer), USB, A/D conversion, UART, PLC, DMA are deposited, or even LCD drive circuits are all It is incorporated on one chip, forms the computer of chip-scale, be that various combination control is done in different application scenarios.Such as mobile phone, PC peripheries, remote control, to automotive electronics, industrial stepper motor, the control of robotic arm etc., all visible MCU chip Figure.
In the present invention:The radiosensitive of TrackPoint can be greatly lowered using without external crystal-controlled oscillation design in MCU chip 203 Degree.
In the present invention:Main frame includes being provided with one layer of shielding between pcb board and casing, and pcb board and casing Layer, can largely strengthen the antistatic and antijamming capability of TrackPoint.
Referring to Fig. 2, Fig. 2 is a kind of PS2 interface and USB interface transport stream signal journey figure for reinforcing TrackPoint of the present invention.
A kind of TrackPoint of reinforcing that the present invention is provided also includes PS2 interfaces and USB interface, the PS2 interfaces and USB interface It is arranged in MCU chip, and MCU chip is connected with main frame simultaneously by PS2 interfaces and USB interface, the PS2 interfaces Compatible with USB interface, first, TrackPoint sends instruction of shaking hands, and awaits a response, corresponding recognizer detection in TrackPoint Shake hands and instruct and return code values, if the return code values detected match PS2 interface check values, that mean that connection is PS2 Interface, will be switched to PS2 interface drive programs, on the contrary then switch to USB interface driving, if two interfaces are all not connected to, Return code values can not then be received, will discontinuity send and shake hands instruction, more than the stand-by period, mean that connection is overtime, initially Change failure, then retransmit instruction of shaking hands, move in circles, untill powering off or connecting corresponding interface cable.
As preferred embodiment, being provided with lower ring-type limiting table, the TrackPoint silicon on the TrackPoint control panel 2 The lower section of glue key panel 1 is provided with the upper annular limiting stand being nested therewith, the lower ring of upper annular limiting stand lower end insertion In shape limiting stand, both gaps coordinate, and are internally formed and are provided with capsule elasticity in the cavity of a Longitudinal extending, the cavity and stretch Contracting post.Two limiting stands set by nesting, it is ensured that TrackPoint control panel 2 is along predetermined trajectory elastic telescopic, with spacing, limit Angle and the effect of resilience, using capsule elastic telescopic post, are conducive to process decomposition being processed, assemble, and reduction assembling is difficult Degree.
The capsule elastic telescopic post includes the upper shell and lower house of flexible material, and the upper shell and lower house are covered Formed in an internal cavity, the internal cavity and be provided with spring, upper shell and lower house preferably have in an initial condition There is tie point, the tie point can be glue spots, or the one-off card buckle structure being arranged on upper shell and lower house, at this Under the connection of tie point, spring is in half-compressed state, after TrackPoint first time use is reinforced, and user needs slightly firmly to press TrackPoint, the tie point is destroyed, now, and the spring in capsule elastic telescopic post recovers elastic stage, and this is provided with beneficial to guarantor It is that user uses for the first time that card, which reinforces TrackPoint, it is ensured that the service life of consumer products, consumers' rights and interests is safeguarded, equivalent to product Strip of paper used for sealing.It is preferred that, the upper shell and/or lower house are flexible shell made from plant cellulose and industrial gelatine, it is described on Folding part is provided with housing and/or lower house, upper shell and lower house have certain retractility, add the folding of setting in itself Portion so that upper shell and lower house have bigger extendable room, improve service life.
It is preferred that, the upper end inner edge of the lower ring-type limiting table is provided with chamfering, and the chamfering causes lower ring-type limiting table It is in be provided with regular pattern, the upper annular limiting stand rule of correspondence on inverted cone shape slope, the slope of the chamfering on the inside of upper end Decorative pattern position is provided with cooperation decorative pattern, and the regular pattern is the shallow projection of the ring-type being arranged in chamfering, and the cooperation decorative pattern is It is arranged in the shallow projection of ring-type of upper annular limiting stand outer rim.When user's power thrusts not pair when, regular pattern and coordinate decorative pattern to rub Wipe, user's finger tip can be transferred to by feel, so as to point out user to change power thrusts, while do not interfere with it is normal by Key, improves the service life of TrackPoint, more science, hommization.
In summary:The invention has following 4 beneficial effects:
1st, a kind of reinforcing TrackPoint that the present invention is provided, is transmitted using thin-film pressure sensor as the signal of TrackPoint Medium, voltage signal is converted into by the pressing signal of finger, and micro-chip processor, will after being changed through A/D by collection voltages signal Voltage signal is converted into the recognizable code of computer, so as to control cursor of mouse to move;The design of the TrackPoint overall plan It is independent research, it is possible to achieve autonomous controllable purpose.
2nd, a kind of reinforcing TrackPoint that the present invention is provided, wherein thin-film pressure sensor has precision high, presses the life-span Long the advantages of, insensitive, the antivibration of TrackPoint movement can fundamentally be solved by using it as the signal transmission medium of TrackPoint The problems such as dynamic poor performance.
3rd, a kind of reinforce in TrackPoint, structure that the present invention is provided uses industry silicon rubber as the key face of TrackPoint Plate, its compression number is up to ten million time;Meanwhile, it can lift the classification of waterproof and service life of TrackPoint.
4th, a kind of reinforcing TrackPoint that the present invention is provided, by software algorithm optimization processing, realizes that two kinds of USB and PS2 connect Mouth output;In terms of electromagnetic Compatibility Design, TrackPoint MCU chip is used without external crystal-controlled oscillation design, and finger can be greatly lowered The radiosensitivity of point bar, increases by one layer of screen layer in PCB design, carries out good contact with casing, can largely increase The antistatic and antijamming capability of strong TrackPoint.
The correlation module being related in the system is hardware system module or is prior art Computer Software journey The functional module that sequence or agreement are combined with hardware, computer software programs or agreement involved by the functional module itself The technology being well known to those skilled in the art, it is not the improvements of the system;The system is improved between each module Interaction relationship or annexation, be that the overall construction of system is improved, to be solved with solving the system Relevant art problem.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. one kind reinforces TrackPoint, including TrackPoint silica gel push-button panel (1) and TrackPoint control panel (2), it is characterised in that:Institute Stating TrackPoint silica gel push-button panel (1) includes silica gel rocking bar cap (101) and silica gel push-button (102), the TrackPoint silica gel push-button Panel (1) is assemblied on TrackPoint control panel (2), the TrackPoint control panel (2) include thin-film pressure sensor (201), Button electrode (202) and MCU chip (203);The silica gel rocking bar cap (101) connects with the thin-film pressure sensor (201) Connect, the thin-film pressure sensor (201) is connected with the MCU chip (203), the silica gel rocking bar cap (101) is used as pressure Force signal transmits medium, and the pressure signal transmission that outside finger is produced on silica gel rocking bar cap (101) gives the diaphragm type pressure Pressure signal is converted into voltage signal, output to the MCU by force snesor (201), the thin-film pressure sensor (201) Chip (203);
The silica gel push-button (102) is connected with the button electrode (202), the button electrode (202) and the MCU chip (203) connect, the silica gel push-button (102) transmits medium as push button signalling, by the button sheet metal of its bottom with it is described Button electrode (202) is contacted, and realizes button electrode (202) outputs level signals to the MCU chip (203);The MCU Chip (203) receives voltage signal and level signal from thin-film pressure sensor (201) and button electrode (202);
Voltage signal and level signal are converted to computer and can known by the MCU chip (203) by internal AD conversion and calculating Other code, realizes cursor of mouse movement and left, center, right keypress function;
The MCU chip (203) be connected with extraneous main frame, the main frame for the MCU chip (203) and Other peripheral circuits provide power supply and powered.
2. a kind of reinforcing TrackPoint according to claim 1, it is characterised in that:The MCU chip (203) passes through internal AD Conversion and calculate voltage signal and level signal be converted into the recognizable code of computer, realize cursor of mouse movement and it is left, In, right keypress function;Compatibility PS2 interfaces communicate with USB interface with computer simultaneously, are PS2 interface communications under default situations, when When PS2 interfaces are not connected with, PS2 interface initializations can be caused to fail, at this moment can automatically switched to logical with calculating using USB interface Letter.
3. a kind of reinforcing TrackPoint according to claim 1, it is characterised in that:Also include PS2 interfaces and USB interface, institute PS2 interfaces and USB interface connection MCU chip (203) are stated, and MCU chip (203) passes through PS2 interfaces or USB interface and computer Main frame is connected, and first, TrackPoint sends instruction of shaking hands, and awaits a response, and corresponding recognizer detects instruction of shaking hands in TrackPoint And return code values, if the return code values detected match PS2 interface check values, mean that connection is PS2 interfaces, will PS2 interface drive programs are switched to, if the return code values detected match USB interface check value, mean that connection is USB interface, will switch to USB interface driver, if two interfaces are all not connected to, will discontinuity send and shake hands finger Order, more than the stand-by period, means that connection time-out, then initialization failure retransmits instruction of shaking hands, move in circles, until disconnected Electricity connects corresponding interface cable.
4. a kind of reinforcing TrackPoint according to claim 1, it is characterised in that:The MCU chip (203) is using without outside Crystal oscillator is designed.
5. a kind of reinforcing TrackPoint according to claim 1, it is characterised in that:The main frame include pcb board with And one layer of screen layer is provided between casing, and pcb board and casing.
6. a kind of reinforcing TrackPoint according to claim 1, it is characterised in that:Set on the TrackPoint control panel (2) Have and be provided with the upper annular limiting stand being nested therewith below lower ring-type limiting table, the TrackPoint silica gel push-button panel (1), In the lower ring-type limiting table of upper annular limiting stand lower end insertion, both gaps coordinate, and are internally formed the chamber of a Longitudinal extending Capsule elastic telescopic post is provided with body, the cavity.
7. a kind of reinforcing TrackPoint according to claim 6, it is characterised in that:The capsule elastic telescopic post includes flexibility The upper shell and lower house of material, the upper shell and lower house are covered to be formed and set in an internal cavity, the internal cavity It is equipped with spring.
8. a kind of reinforcing TrackPoint according to claim 7, it is characterised in that:The upper shell and/or lower house are plant Folding part is provided with fibres element and flexible shell made from industrial gelatine, the upper shell and/or lower house.
9. a kind of reinforcing TrackPoint according to claim 6, it is characterised in that:The upper end inner edge of the lower ring-type limiting table It is provided with chamfering, the chamfering and is provided with regular pattern, the upper annular limiting stand rule of correspondence decorative pattern position, which is provided with, matches somebody with somebody Close decorative pattern.
10. a kind of reinforcing TrackPoint according to claim 9, it is characterised in that:The regular pattern is to be arranged in chamfering On the shallow projection of ring-type, the cooperation decorative pattern is the shallow projection of ring-type for being arranged in upper annular limiting stand outer rim.
CN201710730397.3A 2017-08-23 2017-08-23 Reinforced pointing rod Active CN107329597B (en)

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