CN202822738U - Action sensing device - Google Patents
Action sensing device Download PDFInfo
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- CN202822738U CN202822738U CN 201220327425 CN201220327425U CN202822738U CN 202822738 U CN202822738 U CN 202822738U CN 201220327425 CN201220327425 CN 201220327425 CN 201220327425 U CN201220327425 U CN 201220327425U CN 202822738 U CN202822738 U CN 202822738U
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Abstract
The utility model provides an action sensing device which comprises a reference light source, an image sensing and analyzing element and a coordinate transformation processor. The reference light source comprises at least one light source and a wide angle astigmatism element, and the light source permeates the wide angle astigmatism element to form a photo image. The image sensing and analyzing element is arranged on a device to be tested, captures the photo image to compute a coordinate value of the device to be tested, and/or computes the displacement of the device to be tested according to the change of the photo image captured at first and later.
Description
Technical field
The utility model relates to a kind of action sensing device, refers to especially utilize wide-angle astigmatism element to increase a kind of sensing apparatus of optical image fechtable scope.
Background technology
Recent many electronic interactive games systems provide the user play joystick or remote controller, with the operation of the electronic game of carrying out more various action induction, such as: the racing car game of driving and play golf etc.
With reference to figure 1, Fig. 1 is the prior art schematic diagram of optical pointer control device 10.The optical image that image sensing analysis element 121 forms from reference light source 11 with acquisition wherein is set on the remote controller 12.When remote controller 11 swung, this optical image can change at 121 one-tenth the position of images of image sensing analysis element thereupon, so just can calculate remote controller 12 with respect to the corresponding moving displacement amount of reference light source 11.Wherein, optical image is that a plurality of optical reference points 111 penetrate plane light-transmission element 112 and form, and plane light-transmission element 112 main purposes are for providing the effect of protection optical reference point 111 and printing opacity.Wherein optical reference point 111 has lighting angle a, and the optical image that scope can't sensor light reference point 111 be sent outside the lighting angle a, namely image sensing analysis element 121 can't the sensor light image beyond lighting angle a.
With reference to figure 2, it is the schematic diagram that concerns of the relative luminous intensity of LED and lighting angle.Because LED consumes energy less, efficient is good, so be the electronic product extensive use.Wherein, curve A v shows the luminous intensity scope of LED under different angles, and the lighting angle of this LED example of central demonstration namely is difficult to this led light source of sensing beyond 50 degree close to 50 degree (one-sided 25 degree).When optical reference point 111 uses LED, and mobile remote control device 12 is to one-sided 25 degree or the position operation remote controllers 12 in addition of reference light source, because led light source is very weak in this angle luminous intensity, image sensing analysis element 121 possibly can't capture optical image, also certainly can't feed back the operating state of calculating remote controller 12, extremely inconvenience in the use.
With reference to figure 3, Fig. 3 is the schematic diagram of another prior art.Wherein for solving this inconvenience, another prior art arranges several LED each other in a stagger angle, but to increase the angle of sensing.The method only solves the part puzzlement, also causes other unnecessary difficult problem, for example: the angle that must intersect each other when LED arranges, manufacture difficulty increases; But the angle of several LED sensing each other is different, and some angle may cause the sensing element can't each LED of sensing, increases the error in judgement possibility.In addition, another prior art also provides a method, namely increases the light source luminescent area.The method that increases the light source luminescent area can adopt more LED or promote the LED luminous intensity, with the larger light-emitting area of acquisition and work angle, yet this scheme can be born spatial accommodation demand, power consumption, the cost of manufacture of more LED and the risk of being correlated with etc.
The utility model provides a kind of action sensing device for the shortcoming of above prior art, easily and significantly increases the advantage of sensing range but have making concurrently.Particularly when remote controller moves to the maximum lighting angle of light source or position in addition, still can the sensor light image and feed back the action sensing device of the swing state of calculating remote controller.
Summary of the invention
One of the purpose of this utility model is to overcome the deficiencies in the prior art and defective, proposes a kind of action sensing device.
For reaching above purpose, the utility model provides a kind of action sensing device, comprises: a reference light source, and it comprises at least one light source and wide-angle astigmatism element, and this light source sees through this wide-angle astigmatism element and forms an optical image; And an image sensing analysis element, be arranged on the device to be measured, this image sensing analysis element captures this optical image calculating one first coordinate figure, and/or according to the variation between the front and back optical image of acquisition to calculate a displacement of this device to be measured.
In a kind of embodiment, can comprise a Coordinate Conversion processor therein, according to a predefined coordinate system the first coordinate figure of device to be measured is converted to the second coordinate figure.Comprise a plurality of light sources such as reference light source, then should be arranged in parallel each other each other.
In the above-mentioned image sensing analysis element, should comprise an optical sensing chip.The image sensing analysis element is according to the image space of optical image at optical sensing chip, calculating the coordinate figure of device to be measured, and/or according to the variation of optical image image space, to calculate the displacement of device to be measured.
In the above-mentioned action sensing device, should comprise again an accelerometer, this accelerometer is arranged in the device to be measured, and a three-dimensional acceleration value of sensing device to be measured.Among one embodiment, the action sensing device according to the three-dimensional acceleration value with three-dimensional displacement or the D coordinates value of calculating device to be measured or proofread and correct this first coordinate figure; This calculating can be carried out by this image sensing analysis element, Coordinate Conversion processor or other processor.
In the above-mentioned action sensing device, should comprise again a gyroscope, it also is arranged in the device to be measured.The magnitude of angular velocity of this gyroscope sensing device to be measured.
In the above-mentioned action sensing device, should comprise again a vibrating motor, vibrating motor is arranged in the device to be measured.
In the above-mentioned action sensing device, should comprise again comprising a voice element or an audio element that voice element or audio element are arranged in the device to be measured.
Above-mentioned action sensing device should adopt wired or wireless mode to be connected in an image display, and wherein coordinate figure can be shown on the image display.
In the above-mentioned optical pointer control device, wherein wide-angle astigmatism element should have a normal direction and with respect to an astigmatic angle of normal direction, this astigmatic angle is greater than the lighting angle of light source.
For increasing astigmatic angle, above-mentioned wide-angle astigmatism element is preferably a shielded type diffuser plate or a smooth penetrating type diffusion material made.In addition, wide-angle astigmatism element also should have light diffusion texture, but to increase the identification effect of optical image.Further, wide-angle astigmatism element internal should have a plurality of convex structures or a plurality of concavity structure.Wide-angle astigmatism element should have a rough surface again.
Below by specific embodiment is illustrated in detail, when being easier to understand these novel purpose, technology contents, characteristics and the effect of reaching thereof.
Description of drawings
Fig. 1 is the schematic diagram of the optical pointer control device of prior art;
Fig. 2 is the schematic diagram that concerns of the relative luminous intensity of LED and lighting angle;
Fig. 3 is the schematic diagram of another prior art;
Fig. 4 is the schematic diagram of the action sensing device of the utility model one embodiment;
Fig. 5 be among the utility model one embodiment astigmatic angle and lighting angle concern schematic diagram.
Symbol description among the figure
10 optical pointer control devices
11,21 reference light sources
12 remote controllers
20 action sensing devices
22 devices to be measured
121,221 image sensing analysis elements
111 optical reference points
112 plane light-transmission elements
211 light sources
212 wide-angles astigmatism element
A, a1 lighting angle
A2 astigmatism angle
The Av curve
The N normal direction
The specific embodiment
About aforementioned and other technology contents, characteristics and effect of the present utility model, in the detailed description of a following cooperation preferred embodiment with reference to the accompanying drawings, can clearly present.The direction term of mentioning in following examples such as: upper and lower, left and right, front or rear etc., only is the direction with reference to annexed drawings.Graphic in the utility model all belongs to signal, mainly is intended to represent the function relation between each device and each element, as for shape, thickness and width then not according to scale.
Fig. 4 is the schematic diagram of the action sensing device 20 of the utility model one embodiment, and it comprises a reference light source 21 and an image sensing analysis element 221.Reference light source 21 comprises at least one light source 211 and wide-angle astigmatism element 212, and light source 211 sees through this wide-angle astigmatism element 212 and forms an optical image.When reference light source 21 comprises a plurality of light source 211, should (but nonessential) be arranged in parallel each other between each light source 211.Image sensing analysis element 221 is arranged on the device 22 to be measured, and it captures optical image continuously.Image sensing analysis element 221 can come coordinates computed value (calling the first coordinate figure in the following text) according to single optical image, and the variation between the optical image that can sequentially capture according to front and back, calculates a displacement of device 22 to be measured, and both can select one or carry out.Therein in a kind of embodiment, can comprise again a Coordinate Conversion processor (graphic show) in the action sensing device 20, according to a predefined coordinate system the first coordinate figure of device 22 to be measured is converted to the second coordinate figure.The Coordinate Conversion that relevant Coordinate Conversion processor carries out has variety of way to adopt, and wherein No. the 100214929th, the TW patent application case of bulletin, No. 418339, notification number M can apply for and check and approve with reference to this case designer to an example.
For example, image sensing analysis element 221 can have an optical sensing chip (graphic demonstration), and image sensing analysis element 221 can according to the image space of optical image at optical sensing chip, calculate the first coordinate figure, and according to the variation of image space, calculate the displacement of device 22 to be measured.The Coordinate Conversion processor then is converted to the second coordinate figure according to a predefined coordinate system with the first coordinate figure of device 22 to be measured, is changed to the coordinate system of image display or is rotated correction etc. such as the coordinate system with optical sensing chip.Action sensing device 20 for example optionally comprises an accelerometer (graphic demonstration) in addition except comprising image sensing analysis element 221, this accelerometer can be arranged in the device 22 to be measured.The action of moving as the user, but a three-dimensional acceleration value of accelerometer sensing device 22 to be measured.According to this three-dimensional acceleration value, can calculate the D coordinates value of device 22 to be measured and/or three-dimensional displacement or in order to proofread and correct the two-dimensional coordinate value; The work of calculating can be carried out by this image sensing analysis element 221, Coordinate Conversion processor or other processor.
In addition, action sensing device 20 can comprise again a vibrating motor (graphic demonstration), and this vibrating motor is arranged in the device 22 to be measured.Vibrate instruction when device 22 to be measured receives one, vibrating motor can make device 22 to be measured produce vibration to increase interaction effect.For example: the specific action of interactive game such as the simulation road surface etc. of jolting, all can utilize vibrating motor can increase user's interaction sense again such as bump.
In the above-mentioned action sensing device, should comprise again a voice element or an audio element, voice element or audio element are arranged in the device to be measured.The user can for example carry out instruction by the voice element and control, skipping of performing a programme for example, or enter the operations such as next stage of game.The effect of audio element produces audios by device to be measured 22, and it can for example increase effect of sound field, again for example when the user seeks device 22 to be measured, by specific instruction with the position of order audio element pronunciation prompting device 22 to be measured etc.
Continuation is with reference to figure 4, and wherein wide-angle scattering sheet 212 is one to have the effect of the astigmatic angle a2 of expansion light source, but the optical image sensing angle is increased, i.e. the effect that increases of astigmatic angle.When device 22 to be measured moves to respect to reference light source than wide-angle or position in addition, the optical image that sends of fechtable reference light source 21 still.Again with reference to figure 5, wherein wide-angle astigmatism element 212 has a normal direction N and with respect to the astigmatic angle a2 of normal direction N, and wherein light source 211 has lighting angle a1.Show among the figure that astigmatic angle a2 is greater than the lighting angle a1 of light source 211.And light source 211 can adopt the light source of a specific wavelength, such as the invisible infrared ray of naked eyes institutes etc., in order to avoid cause the visual discomfort of user.
Further, for increasing light-dispersing effect, astigmatism wide-angle astigmatism element 212 can be a shielded type diffusion material, namely at wide-angle astigmatism element 212 surface printings or adhere to the material of other tool shaded effect, the light path of light in wide-angle astigmatism element 212 inside that light source 211 is sent has the effect of reflection, refraction or diffusion concurrently.Wide-angle astigmatism element 212 also can be the increase surface roughness, to increase the effect of light diffusion and refraction.Wide-angle astigmatism element can have again a smooth penetrating type diffusion material, and inside also can add single or multiple convex structures and/or single or multiple concavity structure, to increase the effect of refraction.In addition, wide-angle astigmatism element also can have light diffusion texture, such as: the light diffusion texture of geometry or utilize the matrix arrangement etc. of various surperficial salient points, but to increase the interpretation effect of image sensing analysis element.
Below for preferred embodiment the utility model is described, just the above for making those skilled in the art be easy to understand content of the present utility model, is not to limit interest field of the present utility model only.Under same spirit of the present utility model, those skilled in the art can think and various equivalence changes.For example, wide-angle astigmatism combination of elements one shielded type diffusion material and a plurality of convex structure are to double astigmatic angle a2 etc.; Perhaps, the parallel arrangement mode of light source 211 is not limited single plane also, can adopt many planes or matrix-style and arrange; Or the lighting angle change of light source 211 etc., all the various equivalences under same spirit of the present utility model change, and all should be included within the scope of the present utility model.
Claims (16)
1. an action sensing device is characterized in that, comprises:
One reference light source, it comprises at least one light source and wide-angle astigmatism element, and this light source sees through this wide-angle astigmatism element and forms an optical image; And
One image sensing analysis element is arranged on the device to be measured, and this image sensing analysis element captures this optical image calculating one first coordinate figure, and/or according to the variation between the front and back optical image of acquisition to calculate a displacement of this device to be measured.
2. action sensing device as claimed in claim 1 is characterized in that, also comprises a Coordinate Conversion processor, according to a predefined coordinate system this first coordinate figure is converted to the second coordinate figure.
3. action sensing device as claimed in claim 1 is characterized in that, this reference light source comprises a plurality of light sources, and these a plurality of light sources be arranged in parallel each other each other.
4. action sensing device as claimed in claim 1, it is characterized in that, this image sensing analysis element has an optical sensing chip, this image sensing analysis element according to this optical image on this optical sensing chip image space calculating this first coordinate figure, and/or according to the variation of image space to calculate this displacement.
5. action sensing device as claimed in claim 1 is characterized in that, also comprises an accelerometer, and this accelerometer is arranged in this device to be measured, and a three-dimensional acceleration value of this device to be measured of sensing.
6. action sensing device as claimed in claim 5 is characterized in that, this action sensing device produces D coordinates value, three-dimensional displacement or proofreaies and correct this first coordinate figure according to this three-dimensional acceleration value.
7. action sensing device as claimed in claim 1 is characterized in that, this action sensing device comprises a gyroscope, and this gyroscope is arranged in this device to be measured, the magnitude of angular velocity of this this device to be measured of gyroscope sensing.
8. action sensing device as claimed in claim 1 is characterized in that, this action sensing device comprises a vibrating motor, and this vibrating motor is arranged in this device to be measured.
9. action sensing device claimed in claim 1 is characterized in that, this action sensing device comprises a voice element or an audio element, and this voice element or this audio element are arranged in this device to be measured.
10. action sensing device claimed in claim 1 is characterized in that, this action sensing device is connected in an image display in wired or wireless mode, and this coordinate figure can correspondence be shown on this image display.
11. action sensing device as claimed in claim 1 is characterized in that, this light source is for producing the light source of specific wavelength.
12. action sensing device as claimed in claim 1 is characterized in that, this wide-angle astigmatism element has a normal direction and with respect to an astigmatic angle of this normal direction, this astigmatism angle is greater than a lighting angle of this light source.
13. action sensing device as claimed in claim 1 is characterized in that, this wide-angle astigmatism element has a shielded type diffusion material or a smooth penetrating type diffusion material.
14. action sensing device as claimed in claim 1 is characterized in that, this wide-angle astigmatism element has a rough surface.
15. action sensing device as claimed in claim 1 is characterized in that, this wide-angle astigmatism element has light diffusion texture.
16. action sensing device as claimed in claim 1 is characterized in that, this wide-angle astigmatism element internal has convex structure or concavity structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220327425 CN202822738U (en) | 2012-07-06 | 2012-07-06 | Action sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220327425 CN202822738U (en) | 2012-07-06 | 2012-07-06 | Action sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202822738U true CN202822738U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220327425 Expired - Lifetime CN202822738U (en) | 2012-07-06 | 2012-07-06 | Action sensing device |
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| Country | Link |
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| CN (1) | CN202822738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219916A (en) * | 2014-09-26 | 2014-12-17 | 德清东胜电子有限公司 | Uniformly light-transmitting structure of remote control |
-
2012
- 2012-07-06 CN CN 201220327425 patent/CN202822738U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219916A (en) * | 2014-09-26 | 2014-12-17 | 德清东胜电子有限公司 | Uniformly light-transmitting structure of remote control |
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Granted publication date: 20130327 |