CN2456224Y

CN2456224Y - Optical trace ball device

Info

Publication number: CN2456224Y
Application number: CN00256664U
Authority: CN
Inventors: 胡赓白
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-11-27
Filing date: 2000-11-27
Publication date: 2001-10-24
Anticipated expiration: 2010-11-27

Abstract

The utility model relates to an optical trace ball device. A button and a round opening is arranged on an upper casing body of the device, and a track sphere is arranged in the round opening. The utility model is characterized in that the sphere is made of transparent materials or semi-transparent materials, tiny chips or granules which have light reflecting characteristics are mixed in the materials, an optical device is arranged on the position which is adjacent to the track sphere in the casing body, luminous elements in the optical device enable a light source to be projected onto the track sphere, partial light is reflected to the surface of the sphere through the tiny chips or the granules, and images which are reflected out can be continuously taken clearly by an image taking element. The diffusion of the smooth surface of the sphere to projection light and the situation that surface images of the sphere can not be taken and identified correctly can be avoided.

Description

The optics Trackball device

The utility model relates to a kind of optics Trackball device.

The structure of traditional optical Trackball device 1, see also shown in Figure 1, mainly comprise a upper shell 10 and a base 11, this upper shell 10 and base 11 are to can be assembled into one, wherein and electronic component and the circuit that makes this Trackball device 1 normal operation required be installed, and these upper shell 10 appropriate positions are provided with a more than one button 12 and a round hole 14 at least, the size of this round hole 14 just can be installed a trace ball 20, and the first half that makes this trace ball 20 protrudes from this upper shell 10, touch this trace ball 20 for the user, make it indicate rotation according to the user, make and be adjacent to the set optical devices 30 in these trace ball 20 installation sites in this device 1, the image that fechtable is reflected to these trace ball 20 local surfaces, and then calculate the displacement and the direction of this trace ball.

In the structure of this kind traditional optical Trackball device 1, seen and be exposed in the U.S. the 5th, 288,993 and 5,703, in No. 356 patents, see also shown in Figure 2, since these optical devices 30 be the light-emitting component 21 of mat on it with light source projects to this trace ball 20, and the image that local surfaces presented of the trace ball 20 in mat 32 pairs of rotations of an image capture element on it, continue to capture, and, compare the difference between instant picked image and previous picked image institute's picked image analysis and judgement, and calculate the displacement and the direction of this trace ball according to this, and then make shown vernier on the computer monitor that this Trackball device 1 connected, can be according to the translational speed and the direction of this trace ball, same moved further on this display.So this Trackball device 1 picked image correctness, will become the direct whether synchronous key factor that influences between this trace ball and vernier.

Because this Trackball device 1 is to use for the user to control target position, display upstream, so its trace ball 20 is rotated smooth and easy? can make the user control freely? promptly become the emphasis that Trackball device manufacturing and design industry are especially noted.The general manufacturing and design, not yielding for making trace ball have, and the characteristics that are easy to rotate, all be to make, deform avoiding, and it is manufactured have very smooth surface with opaque rigid plastic material, with the power of reducing friction as far as possible, make its rotation more smooth and easy.

But, this practice, but become too smooth because of this trace ball surface, and the light source that this light-emitting component 31 is projected to this trace ball surface is formed scattering process, when the local surfaces that causes the trace ball 20 in 32 pairs of rotations of this image capture element continues pick-up image, only capture strong reflect light, and can't carry out analysis and judgement institute's picked image, so often can't calculate the displacement and the direction of this trace ball exactly, and problem that can't be synchronous between generation trace ball and vernier.

At problem that can't be synchronous between aforementioned trace ball and vernier, though having partly, enterprise utilizes special mode of printing, on the surface of this trace ball 20, be printed with and uniformly-spaced arrange and equally distributed stain 21, see also shown in Figure 2 again, to reduce the reflectivity on these trace ball 20 surfaces, increase the identification capability of the local surfaces image of the trace ball 20 in 32 pairs of rotations of this image capture element, but this practice, not only the processing and fabricating cost is high, and it is to promoting the ability of these these trace ball 20 surface images of image capture element 32 identifications, also according to the smooth degree of spherome surface, and certain restriction is arranged.

Because traditional Trackball device often can't calculate the displacement and the direction of trace ball exactly, and problem that can't be synchronous between generation trace ball and vernier, I am through the permanent research and experiment of making great efforts, and development and Design goes out the structural improvement of a kind of optics Trackball device of the present utility model finally.

The purpose of this utility model is to be to provide a kind of displacement and direction that can calculate this trace ball accurately, guarantee between trace ball and vernier synchronously, and it is little to possess friction force, very easily controls the optics Trackball device of rotation.

Above-mentioned purpose of the present utility model is realized by following technical scheme.

A kind of optics Trackball device, this Trackball device is made up of a upper shell and a base, wherein and the electronic component that makes its normal operation required is installed, this device still comprises: at least more than one button, these buttons are provided in a side of on the end of this upper shell; One trace ball; It is characterized in that:

This trace ball is the circular spheroid that a transparent material is made, evenly mix up the small fragment that the reflective characteristic of tool is arranged in it, its size just can be mounted in the round hole set on this upper shell, the Lower Half of this trace ball is to be placed in this housing, and supported by a plurality of rolling elements set on this base, its first half then protrudes from this upper shell, and this trace ball can be rotated arbitrarily;

One optical devices, these optical devices are the appropriate positions that are embedded in this device, and formed by a light-emitting component and an image capture element, this light-emitting component just can be with light source projects to this trace ball, and penetrate this transparent ball, these small fragments that order wherein mixes up are the surface of these trace balls of light source reflected back partly, makes this image capture element sustainable and clearly capture to the image that is reflected, and then calculates the displacement and the direction of this trace ball accurately.

Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:

This trace ball is the circular spheroid of being made by a trnaslucent materials, evenly mixes up the small fragment that the reflective characteristic of tool is arranged in it.

These transparent or semitransparent materials are to be mixed by uniform ingredients such as the small fragment of resin, the reflective characteristic of tool and rigidizers, and the hard material through hardening and forming.

This small fragment can be glitter powder.

This small fragment can be mica powder.

This small fragment can be pearl powder.

One end of contiguous these buttons of this Trackball device can be provided with a runner with page-turning function.

Advantage of the present utility model is:

1, the transparent or semitransparent material that is adopted is a kind of hard material, make this trace ball finish processing after, have very smooth surface, not only not yielding, and it is little to possess friction force, very easily controls the advantage of rotation.

2, in this transparent or semitransparent material, evenly mix up the small fragment or the particle of the reflective characteristic of tool, make this light-emitting component with light source projects during to this track spheroid, most light source can penetrate this spheroid earlier, to partly this spherome surface of light source reflected back by these small fragments or particle again, make this image capture element sustainable and clearly capture to the image that is reflected, calculate the displacement and the direction of this trace ball accurately, effectively solve can't be synchronous between trace ball and vernier problem.

For doing further understanding and understanding,, be described in detail as follows now for the embodiment conjunction with figs. to features such as shape of the present utility model, structure, device and effects thereof:

Description of drawings:

Fig. 1 is the stereographic map of traditional optical Trackball device.

Fig. 2 is the synoptic diagram that concerns the position in the traditional optical Trackball device between optical devices and track spheroid.

Fig. 3 is the synoptic diagram that concerns the position in the optics Trackball device of the present utility model between optical devices and track spheroid.

Fig. 4 is the enlarged diagram that concerns the position in the utility model between optical devices and track spheroid.

Fig. 5 is the diagrammatic cross-section that the track spheroid reacts projection light in the utility model.

The basic structure of Trackball device of the present utility model, identical with aforementioned conventional optics Trackball device, see also shown in Figure 1, also formed by a upper shell 10 and a base 11, wherein and be equipped with and make required electronic component of this Trackball device normal operation and circuit, and these upper shell 10 appropriate positions are provided with a more than one button 12 and a round hole 14 at least, the size of this round hole 14 just can be installed a trace ball 20, and the Lower Half that makes this trace ball 20 is placed in these housings, and by a plurality of rolling elements 40 set on this base 11 (as: supports such as bearing or steel ball), see also shown in Figure 3, its first half then protrudes from this upper shell 10, touch this trace ball 20 for the user, make it indicate rolling according to the user, make and be adjacent to the set optical devices 30 in these trace ball 20 installation sites in this device 1, the image that fechtable is reflected to these trace ball 20 local surfaces, and then calculate the displacement and the direction of this trace ball.In the utility model, an end of contiguous these buttons of this Trackball device can be provided with a runner 50 with page turning or line feed function, because the technology of the page turning of this runner or line feed function also belongs to known skill, so do not repeat them here.

Principal character of the present utility model be, see also Fig. 4 and shown in Figure 5, this spheroid 20 is spheroids of being made by a transparent or semitransparent material, evenly mix up small fragment or particle 22 that glitter powder or the reflective characteristic of other tool are arranged in it, make the light-emitting component 31 in these optical devices 20 just can be to this track spheroid 20 with light source projects, and penetrate this transparent or semitransparent spheroid 20, make the partly spherome surface of these trace balls 20 of light source reflected back of the small fragment of the reflective characteristic of tool wherein or particle 22, make an image capture element 22 in these optical devices 20 sustainable and clearly capture to the image that is reflected, and then calculate the displacement and the direction of this trace ball 20 accurately, effectively to avoid the spheroid smooth surface that projection source is formed scattering, cause the image capture element correctly to capture and the thing of identification spherome surface image.

In a preferred embodiment of the present utility model, the making of this spheroid 20 is that first small filling material 22 with a kind of transparent or semitransparent resin and the reflective characteristic of tool evenly mixes, and this filling material can be the small fragment or the particle of the reflective characteristics of tool such as glitter powder, mica powder and pearl powder; Then, the rigidizer with suitable dosage adds in the uniform mix of this resin and filling material again, by a stirring apparatus it is stirred again; After waiting to stir, be fed into it in mould in regular turn again; Treat that it finishes sclerosis, and after the cooling, the semi-manufacture of hardened forming according to required trace ball size, cut into the block of proper volume by taking out in the mould again; Grind off at the end angle of each block after will cutting apart again, and by bead rounding machine or machined into to the shape of convergence spheroid and required size, ground by muller again, it is worn into spheroid: last, this spherome surface is polished, make it be smooth shape after, go up cured in its surface again, so, can obtain the surface and be level and smooth light, and the inner transparent or semitransparent spheroid finished product that evenly mixes up the small fragment that the reflective characteristic of tool is arranged.

Because, according to the made trace ball 20 of the utility model, its material is the hard material that is transparent or semitransparent, so after finishing processing, to have very smooth surface, not only not yielding, and it is little to possess friction force, very easily control the advantage of rotation, in addition, the small fragment or the particle 22 of the reflective characteristic of tool of evenly being mixed up in this transparent or semitransparent material, at this light-emitting component 31 with light source projects during to this track spheroid 20, consult shown in Figure 5 again, most light source 70 can penetrate this spheroid earlier, again by these small fragments or particle 22 these spheroid 20 surfaces of light sources 71 reflected backs partly, makes this image capture element 32 sustainable and clearly capture to the image that is reflected, calculate the displacement and the direction of this trace ball accurately, thus can effectively solve can't be synchronous between trace ball and vernier problem.

The above, only be a specific embodiment of the utility model the best, structural attitude of the present utility model is not limited thereto, and anyly is familiar with this skill in the utility model field, can think easily and variation or modification, all can be encompassed in the technical scheme of this case.

Claims

1, a kind of optics Trackball device, this Trackball device is made up of a upper shell and a base, and wherein and electronic component is installed, this device still comprises: at least more than one button, these buttons are provided in a side of on the end of this upper shell; One trace ball; It is characterized in that:

This trace ball is the circular spheroid that a transparent material is made, evenly mix up the small fragment that the reflective characteristic of tool is arranged in it, its size just can be mounted in the round hole set on this upper shell, the Lower Half of this trace ball is to be placed in this housing, and supported by a plurality of rolling elements set on this base, its first half then protrudes from this upper shell;

One optical devices, these optical devices are the appropriate positions that are embedded in this device, and are made up of a light-emitting component and an image capture element.

2, a kind of optics Trackball device as claimed in claim 1, it is characterized in that: this trace ball is the circular spheroid of being made by a trnaslucent materials, evenly mixes up the small fragment that the reflective characteristic of tool is arranged in it.

3, a kind of optics Trackball device as claimed in claim 1 or 2 is characterized in that: these transparent or semitransparent materials are to be mixed by uniform ingredients such as the small fragment of resin, the reflective characteristic of tool and rigidizers, and the hard material through hardening and forming.

4, a kind of optics Trackball device as claimed in claim 1 or 2, it is characterized in that: this small fragment can be glitter powder.

5, a kind of optics Trackball device as claimed in claim 1 or 2, it is characterized in that: this small fragment can be mica powder.

6, a kind of optics Trackball device as claimed in claim 1 or 2, it is characterized in that: this small fragment can be pearl powder.

7, a kind of optics Trackball device as claimed in claim 1 or 2 is characterized in that: an end of contiguous these buttons of this Trackball device can be provided with a runner with page-turning function.