CN2535844Y - Encoding device with secondary light-focusing effect - Google Patents
Encoding device with secondary light-focusing effect Download PDFInfo
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- CN2535844Y CN2535844Y CN01275139U CN01275139U CN2535844Y CN 2535844 Y CN2535844 Y CN 2535844Y CN 01275139 U CN01275139 U CN 01275139U CN 01275139 U CN01275139 U CN 01275139U CN 2535844 Y CN2535844 Y CN 2535844Y
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- grating wheel
- convex part
- optical receiver
- illuminator
- grating
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Abstract
The utility model relates to an encoder with a secondary light-gathering effect and provides a computer input device unit which can gather light source, improve the accuracy of signal acceptance and interpretation, and widen the range of the allowable error of all units. The utility model comprises a shaft rod which is contacted with a rolling ball, a grating wheel which is fixed at one end of the shaft rod, an illuminator, an optical receiver and a reflecting mirror. The grating wheel has a light-admitting quality, one lateral side of the grating wheel is provided with an annular convex transparent portion which is centered on the shaft rod, an annular lateral margin which forms a groove is arranged on the peripheral margin of the grating wheel towards the other lateral side opposite to the convex transparent portion, and the upper edge of the lateral margin of the grating wheel is axially provided with a plurality of adjacent lateral convex transparent portions. The illuminator and the optical receiver are arranged around the grating wheel at the same height and respectively correspond to the convex transparent portion and the lateral convex transparent portions. The reflecting mirror, which extends into the groove formed by the lateral margin of the grating wheel and which is relative to the illuminator and the optical receiver, is arranged around the grating wheel.
Description
Technical field
The utility model belongs to the computer input unit parts, particularly a kind of scrambler with secondary condensation effect.
Background technology
Genius mouse is being extensive use of of present computer control and considerable equipment, the especially windows system of importing usefulness, more makes Genius mouse almost become the control and the input media of every computer indispensability.
As shown in Figure 6, generally commonly using Genius mouse comprises base 30, is arranged at the spin 32 on the base 30 and is arranged at ball 32 scrambler on every side.Scrambler comprise two-phase mutually vertical and with spin 32 contacted axostylus axostyles 34, end in each axostylus axostyle 34 is respectively equipped with lighttight grating wheel 36, uniformly-spaced be concaved with most roads breach 362 in each grating wheel 36 periphery, thereby form the grating in most roads, and be respectively equipped with illuminator 37 and the optical receiver 38 relative with breach 362 on the grating wheel 36 in each grating wheel 36 both sides.
When spin 32 is rotated, can distinguish or drive two axostylus axostyles 34 simultaneously and rotate, and then drive grating wheel 36 rotations that set firmly thereon; When grating wheel 36 rotates,,, make optical receiver 38 receive the interval signal of light and shade so can cover the light source that illuminator 37 is sent in the compartment of terrain because of grating wheel 36 peripheries are formed with most roads breach 362; So just can be converted into the distance that Genius mouse moves by the light and shade conversion times of light source, thus by two groups of vertical grating wheels 36, respectively the computing mouse device laterally with displacement longitudinally, reach the effect of comprehensive control slider position.
From the above, the signal system of commonly using scrambler sees through grating on the grating wheel 36 and blocks illuminator 37 light sources and produce, and is connect by optical receiver that 38 receptions are read, interpretation again.Therefore whether accurately relatively illuminator 37 and optical receiver 38 just become the key factor of whether accurately interpretation of scrambler, coding.Yet the scrambler of commonly using tends to the locational deviation when group is established because of illuminator 37 and optical receiver 38, causes and can't accurately aim at, and then causes the error in signal reception and the interpretation, and therefore has influence on the accuracy of vernier control; Simultaneously, in addition because of light has diffusivity, be easy to erroneous judgement is interfered and produced in meeting mutually because of diffusion of light and diffraction situation so commonly use its optical receiver 38 of scrambler.
Summary of the invention
The purpose of this utility model provides a kind of energy and concentrates the accuracy of light source, raising signal reception interpretation, relaxes the scrambler with secondary condensation effect of allowing nargin of each member error.
The utility model comprises and the contacted axostylus axostyle of spin, the grating wheel that is fixedly arranged on axostylus axostyle one end, illuminator, optical receiver and catoptron; Grating wheel light transmission; Be convexly equipped with on a side of grating wheel that to be formed with the axostylus axostyle be the annular convex part in the center of circle, towards differing from the lateral margin that the another side that forms convex part is provided with the ring-type that forms groove, be formed with the adjacent side convex part in most roads in the grating wheel periphery in axially being convexly equipped with of lateral margin upper edge grating wheel; Illuminator and optical receiver are arranged at around the grating wheel with height and are corresponding with convex part and side convex part respectively; Be provided with around the grating wheel and stretch into the interior and catoptron relative of groove that the grating wheel lateral margin forms with illuminator and optical receiver.
Wherein:
Catoptron system is to be provided with level pitch angle at 45.
Mirror integral is arranged on the optical receiver.
Side convex part is circular cross-section.
Side convex part is the profile of tooth cross section.
Because the utility model comprises and the contacted axostylus axostyle of spin, the grating wheel that is fixedly arranged on axostylus axostyle one end, illuminator, optical receiver and catoptron; Grating wheel light transmission; Be convexly equipped with on a side of grating wheel that to be formed with the axostylus axostyle be the annular convex part in the center of circle, towards differing from the lateral margin that the another side that forms convex part is provided with the ring-type that forms groove, be formed with the adjacent side convex part in most roads in the grating wheel periphery in axially being convexly equipped with of lateral margin upper edge grating wheel; Illuminator and optical receiver are arranged at around the grating wheel with height and are corresponding with convex part and side convex part respectively; Be provided with around the grating wheel and stretch into the interior and catoptron relative of groove that the grating wheel lateral margin forms with illuminator and optical receiver.When axostylus axostyle was driven rotation, grating wheel rotated thereupon, and convex part produces stable spotlight effect to the light source that illuminator sent on the grating wheel by being arranged at; By the light source of convex part optically focused after projecting catoptron, through the reflection of catoptron and towards the lateral margin projection of grating wheel; By being convexly equipped with the side convex part that is formed with most roads on the lateral margin, after grating wheel turns to the peak of a certain side convex part and optically focused to the time, can provide secondary spotlight effect by this side convex part, and be projected to optical receiver, so can make light source produce higher brightness, and constitute the signal of ON (open-minded) because of twice optically focused.When grating wheel rotates when making the adjacent valley regions of two side convex parts relative with light behind the optically focused, just can not produce once more spotlight effect to this light source this moment, thus formation OFF (disconnection) signal; So grating wheel continues to rotate, and just can provide different spotlight effects to the light source through convex part optically focused by each side convex part on its lateral margin, and produces the ON-OFF signal of interleaved, compile this signal after, just can carry out the control of slider position.Promptly, when grating wheel rotates, light is produced different optically focused and chiaroscuro effect, and avoid light diffusion and diffraction to produce harmful effects such as interference by convex part, most individual side convex part and catoptron; And when if illuminator and optical receiver have a little deviation on the position is set, light source signal still can be revised voluntarily by convex part and each side convex part, make the optical receiver can be clearly and clearly receive the light signal of interleaved, and reach by this and enlarge encoder errors and allow nargin; Can not only concentrate light source, improve the accuracy that signal receives interpretation, and relax the nargin of allowing of each member error, thereby reach the purpose of this utility model.
Description of drawings
Fig. 1, establish Genius mouse decomposition texture schematic isometric of the present utility model for group.
Fig. 2, establish Genius mouse partial structurtes schematic sectional view of the present utility model for group.
Fig. 3, be the utility model structural representation stereographic map.
Fig. 4, be the utility model structural representation vertical view.
Fig. 5, for the utility model structural representation stereographic map (side convex part is the profile of tooth cross section).
Fig. 6, for commonly using the three-dimensional exploded view of Genius mouse.
Embodiment
As shown in Figure 1 and Figure 2, the utility model comprises and spin 10 contacted axostylus axostyles 12, the grating wheel 14 that is fixedly arranged on the tool light transmission of axostylus axostyle 12 1 ends, illuminator 16, optical receiver 18 and catoptron 17.
As shown in Figure 3, Figure 4, be convexly equipped with on a side of grating wheel 14 that to be formed with axostylus axostyle 12 be the annular convex part 142 in the center of circle, towards differing from the lateral margin 144 that the another side that forms convex part 142 is provided with the ring-type that forms groove 146, be formed with the adjacent side convex part in most roads 148 in grating wheel 14 peripheries in axially being convexly equipped with of lateral margin 144 upper edge grating wheels 14.
Catoptron 17 is arranged at around the grating wheel 14 and stretches into the groove 146 that grating wheel 14 lateral margins 144 form.Catoptron 17 is being provided with level pitch angle at 45, and simultaneously relative with illuminator 16 and optical receiver 18.Catoptron 17 also can be integrally formed on the optical receiver 18.
As Fig. 1, Fig. 3, shown in Figure 4, when spin 10 was rolled, axostylus axostyle 12 can rotate with the drive of spin 10 by this, and drove grating wheel 14 rotations synchronously.When axostylus axostyle 12 is driven rotation, grating wheel 14 rotates thereupon, be with axostylus axostyle 12 be the center of circle be provided with because of the convex part on the grating wheel 14 142 this moment, so convex part 142 can produce stable spotlight effect to the light source that illuminator 16 is sent, and can not influence because of grating wheel 14 rotates to some extent; By the light source of convex part 142 optically focused after projecting catoptron 17, through the reflection of catoptron 17 and towards lateral margin 144 projections of grating wheel 14; By being convexly equipped with the side convex part 148 that is formed with most roads on the lateral margin 144, when grating wheel 14 turns to the peak of a certain side convex part 148 when relative with light behind the optically focused, can provide secondary spotlight effect by this side convex part 148, and be projected to optical receiver 18, so can make light source produce higher brightness, and constitute the signal of ON (open-minded) because of twice optically focused.
When grating wheel 14 rotates when making the adjacent valley regions of two side convex parts 148 relative with light behind the optically focused, just can not produce once more spotlight effect to this light source this moment, thus formation OFF (disconnection) signal.So grating wheel 14 continues to rotate, just can provide different spotlight effects by 148 pairs of light sources of each side convex part on its lateral margin 144 through convex part 142 optically focused, and produce the ON-OFF signal of interleaved, compile this signal after, just can carry out the control of slider position.
Formed side convex part 148 can be circular cross-section as shown in Figure 3 on grating wheel 14; Also can be profile of tooth cross section as shown in Figure 5.Can see through difform side convex part 148 by this, different spotlight effects is provided, and produce different concentrating and refraction effect, read demand to cooperate different signals.
The utility model mainly lies in the grating wheel 14 that the tool light transmission is set on the axostylus axostyle 12, in grating wheel 14 1 sides and lateral margin 144 peripheries be formed with convex part 142 and most side convex parts 148 respectively, and around grating wheel 14, be provided with the light source relative with convex part 142, the optical receiver 18 relative and can be with the catoptron 17 of source reflection to optical receiver 18 sides with side convex part 148, by this can be when grating wheel 14 rotates, utilize 142 pairs of light of each side convex part to produce different optically focused and chiaroscuro effect, and avoid light diffusion and diffraction to produce harmful effects such as interference, make the optical receiver 18 can be clearly and clearly receive the light signal of interleaved, with the usefulness of coding that vernier control is provided.
Simultaneously, be to be provided with in the form of a ring because of convex part 142; And side convex part 148 is to take shape on the lateral margin 144 of tool certain width, therefore when if illuminator 16 and optical receiver 18 have a little deviation on the position is set, light source signal still can be revised voluntarily by convex part 142 and each side convex part 148, make the optical receiver 18 can be normally and receive the light signal exactly, allow nargin thereby can reach the expansion encoder errors by this, improve the purpose person of scrambler overall utility.
Claims (5)
1, a kind of scrambler with secondary condensation effect, it comprises and the contacted axostylus axostyle of spin, the grating wheel that is fixedly arranged on axostylus axostyle one end, illuminator and optical receiver; It is characterized in that described grating wheel light transmission; Be convexly equipped with on a side of grating wheel that to be formed with the axostylus axostyle be the annular convex part in the center of circle, towards differing from the lateral margin that the another side that forms convex part is provided with the ring-type that forms groove, be formed with the adjacent side convex part in most roads in the grating wheel periphery in axially being convexly equipped with of lateral margin upper edge grating wheel; Illuminator and optical receiver are arranged at around the grating wheel with height and are corresponding with convex part and side convex part respectively; Be provided with around the grating wheel and stretch into the interior and catoptron relative of groove that the grating wheel lateral margin forms with illuminator and optical receiver.
2, the scrambler with secondary condensation effect according to claim 1 is characterized in that described catoptron is to be provided with level pitch angle at 45.
3, the scrambler with secondary condensation effect according to claim 1 and 2 is characterized in that described mirror integral is arranged on the optical receiver.
4, the scrambler with secondary condensation effect according to claim 1 is characterized in that described side convex part is circular cross-section.
5, the scrambler with secondary condensation effect according to claim 1 is characterized in that described side convex part is the profile of tooth cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01275139U CN2535844Y (en) | 2001-12-10 | 2001-12-10 | Encoding device with secondary light-focusing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01275139U CN2535844Y (en) | 2001-12-10 | 2001-12-10 | Encoding device with secondary light-focusing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535844Y true CN2535844Y (en) | 2003-02-12 |
Family
ID=33679617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01275139U Expired - Fee Related CN2535844Y (en) | 2001-12-10 | 2001-12-10 | Encoding device with secondary light-focusing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535844Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI585372B (en) * | 2016-02-05 | 2017-06-01 | 曾信得 | Optical scanning light-guiding encoder |
| CN107402644A (en) * | 2016-04-15 | 2017-11-28 | 曾信得 | Forward focusing scanning type light guide encoder |
-
2001
- 2001-12-10 CN CN01275139U patent/CN2535844Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI585372B (en) * | 2016-02-05 | 2017-06-01 | 曾信得 | Optical scanning light-guiding encoder |
| CN107044863A (en) * | 2016-02-05 | 2017-08-15 | 曾信得 | Optical scanning type light guide encoder |
| CN107402644A (en) * | 2016-04-15 | 2017-11-28 | 曾信得 | Forward focusing scanning type light guide encoder |
| CN107402644B (en) * | 2016-04-15 | 2020-12-08 | 曾信得 | Forward focusing scanning type light guide encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |