CN1097802C - Physical parameter detecting method and equipment for scanned body - Google Patents
Physical parameter detecting method and equipment for scanned body Download PDFInfo
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Abstract
The present invention relates to a physical parameter detecting method for a scanned object, which is used for detecting a physical parameter of a scanned object. The method comprises the following steps: (a) an initial optical signal is provided; (b) the initial optical signal is received, and an initial detecting signal is generated correspondingly to the initial optical signal; (c) the initial optical signal is received, and a composite detecting signal is generated correspondingly to the physical parameter of the scanned object; (d) the initial detecting signal and the composite detecting signal are calculated to obtain the physical parameter of the scanned object. The present invention also relates to a physical parameter detecting device for a scanned object.
Description
Invention field
The present invention relates to a kind of detection method and device of scanned physical parameter, particularly relate to a kind of detection method and device that can detect the scanned physical parameter of the scanned width length of side and the length length of side automatically.
Background technology
Image analyzer in the market, when it searches a scanned reference position and position, the left and right sides, be known location decided at the higher level but not officially announced all, in order to calculate reference position and position, the left and right sides with document alignment place (Adjustable tray), yet there is following defective in this prior art:
1. when being assembled in image analyzer in the machine, can cause structural error, thereby make image analyzer when detecting scanned position, accuracy is low;
When record be scanned the position after, charge-coupled device (CCD) can cause the error in the adjustment, and adjust chronic when adjusting position, the left and right sides.
Summary of the invention
One object of the present invention is to provide a kind of detection method of scanned physical parameter, and it can detect scanned width border and length border automatically, thereby obtains the scan image of scanned image boundary low distortion.
Another object of the present invention is to provide a kind of pick-up unit that is scanned the physics parameter, and it can record scanned width border and length border automatically, thereby obtains the scan image of scanned image boundary low distortion.
For achieving the above object, one aspect of the present invention provides a kind of detection method of scanned physical parameter, it is in order to detect a scanned physical parameter, this physical parameter comprises the scanned length length of side or the width length of side, and wherein the step of this detection method comprises: an initial optical signal a) is provided; B) receive this initial optical signal, and produce an initial detecting signal corresponding to this initial optical signal; C) receive this initial optical signal, and corresponding to this this scanned physical parameter, to produce a compound detection signal; And d) this initial detecting signal and this compound detection signal are carried out calculation process, obtain this this scanned physical parameter.
According to above-mentioned conception, wherein in this step (a), provide the action of this initial optical signal to realize by a light source.
According to above-mentioned conception, wherein in this step (b), the action that receives this initial optical signal realizes by a detecting unit, and this detecting unit produces this initial detecting signal.
According to above-mentioned conception, wherein this detecting unit is the alternate striated reflecting sign of a color.
According to above-mentioned conception, wherein this striated reflecting sign is arranged on the image-scanning device, and is positioned on the travel path of this initial optical signal.
According to above-mentioned conception, wherein in this step (c), the action that receives this initial optical signal is by a detecting unit and this scanned realization, and this compound detection signal comprises that one first detection signal that is produced by this detecting unit is combined with this scanned scanned optical signalling that produces.
According to above-mentioned conception, wherein this physical parameter is this scanned width length of side.
According to above-mentioned conception, comprising one fixing monolateral, be arranged on the image-scanning device, making that one first width border of this width length of side is pasted together should be fixing monolateral, and made one second width border of this width length of side adjacent with this detecting unit.
According to above-mentioned conception, wherein the part of this detecting unit is scanned overlapping with this, and this is scanned in order to receive this initial optical signal, to produce this scanned optical signalling, and another part of this detecting unit is in order to receive this initial optical signal, so that this first detection signal to be provided.
According to above-mentioned conception, wherein in this step (d), by this first detection signal and this scanned optical signalling are carried out calculation process, obtain the consecutive point of this first detection signal and this scanned optical signalling, to obtain this this scanned width length of side.
According to above-mentioned conception, wherein this physical parameter is this scanned length length of side.
According to above-mentioned conception, wherein this detecting unit is scanned when being in one first state at this, receive this initial optical signal, producing this initial detecting signal, and scanned when being in one second state at this, this is scanned to receive this initial optical signal with this detecting unit, to produce this compound detection signal, and scanned when being in a third state at this, this detecting unit receives this initial optical signal, to produce this initial detecting signal.
According to above-mentioned conception, wherein this first state is projected to state before the initial border of a length of this length length of side for this initial optical signal, and this second state is projected to this state when scanned for this initial optical signal, and this third state is projected to the state after the length end boundary of this length length of side for this initial optical signal.
According to above-mentioned conception, wherein this first state is that an image-scanning device begins to scan this scanned preceding state, and this second state scans this state when scanned for this image-scanning device, and this third state finishes this state after scanned of scanning for this image-scanning device.
According to above-mentioned conception, wherein in this step (d), by this initial detecting signal and this compound detection signal are carried out calculation process, to obtain this scanned initial border of this length and this length end boundary.
According to above-mentioned conception, wherein in this step (d), the action of this initial detecting signal and this compound detection signal being carried out calculation process realizes by a signal processing unit.
According to above-mentioned conception, wherein also comprise a focus reflection device, be arranged between a detecting unit and this signal processing unit, wherein this focus reflection device is in order to change the optical path of this initial detecting signal and this compound detection signal.
According to above-mentioned conception, wherein this signal processing unit comprises a charge-coupled image sensor, and this charge-coupled image sensor is in order to this initial detecting signal and this compound detection conversion of signals to be voltage signal output.
According to above-mentioned conception, wherein this signal processing unit also comprises a graphics processing unit, be electrically connected on this charge-coupled image sensor, this graphics processing unit is this initial detecting signal and this compound detection signal of voltage signal in order to calculation process, with output one scan picture signal.
According to above-mentioned conception, wherein this graphics processing unit is a hardware circuit.
According to above-mentioned conception, wherein this graphics processing unit is a software program.
According to a further aspect in the invention, a kind of pick-up unit of scanned physical parameter is provided, it is applied to have in the image-scanning device of a light source, and this pick-up unit is in order to detect a scanned physical parameter, this physical parameter comprises the scanned length length of side or the width length of side, wherein this pick-up unit comprises: a detecting unit, this detecting unit is in order to receive the initial optical signal that this light source provides, and, produce an initial detecting signal corresponding to this initial optical signal; And wherein when this initial optical signal is projected to this scanned and this detecting unit, corresponding to this this scanned physical parameter, this is scanned to receive this initial optical signal with this detecting unit, to produce a compound detection signal; And a signal processing unit, this signal processing unit is in order to receiving this initial detecting signal and this compound detection signal, and this initial detecting signal and this compound detection signal are carried out calculation process, to obtain this this scanned physical parameter.
According to above-mentioned conception, wherein this detecting unit is the alternate striated reflecting sign of a color.
According to above-mentioned conception, wherein the lateral length of this striated reflecting sign is longer than this scanned width length of side.
According to above-mentioned conception, wherein this striated reflecting sign is arranged on the image-scanning device, and is positioned on the travel path of this initial optical signal.
According to above-mentioned conception, wherein this physical parameter is this scanned width length of side.
According to above-mentioned conception, comprising one fixing monolateral, be arranged on the image-scanning device, making that one first width border of this width length of side is pasted together should be fixing monolateral, and made one second width border of this width length of side adjacent with this detecting unit.
According to above-mentioned conception, wherein the part of this detecting unit is scanned overlapping with this, and this is scanned in order to receive this initial optical signal, to produce a scanned optical signalling, and another part of this detecting unit is in order to receive this initial optical signal, so that one first detection signal to be provided, and wherein this compound detection signal is combined by this first detection signal and this scanned optical signalling.
According to above-mentioned conception, wherein this signal processing unit carries out calculation process with this first detection signal and this scanned optical signalling, and obtains the consecutive point of this first detection signal and this scanned optical signalling, to obtain this this scanned width length of side.
According to above-mentioned conception, wherein this physical parameter is this scanned length length of side.
According to above-mentioned conception, wherein this detecting unit is scanned when being in one first state at this, receive this initial optical signal, producing this initial detecting signal, and scanned when being in one second state at this, this is scanned to receive this initial optical signal with this detecting unit, to produce this compound detection signal, and scanned when being in a third state at this, this detecting unit receives this initial optical signal, to produce this initial detecting signal.
According to above-mentioned conception, wherein this first state is projected to state before the initial border of a length of this length length of side for this initial optical signal, and this second state is projected to this state when scanned for this initial optical signal, and this third state is projected to the state after the length end boundary of this length length of side for this initial optical signal.
According to above-mentioned conception, wherein this first state is that an image-scanning device begins to scan this scanned preceding state, and this second state scans this state when scanned for this image-scanning device, and this third state finishes this state after scanned of scanning for this image-scanning device.
According to above-mentioned conception, wherein this signal processing unit is handled this initial detecting signal and this compound detection signal, with the initial border of this length and this length end boundary of learning that this is scanned.
According to above-mentioned conception, wherein also comprise a focus reflection device, be arranged between this detecting unit and this signal processing unit, wherein this focus reflection device is in order to change the optical path of this initial detecting signal and this compound detection signal.
According to above-mentioned conception, wherein this signal processing unit comprises a charge-coupled image sensor, and this charge-coupled image sensor is in order to this initial detecting signal and this compound detection conversion of signals to be voltage signal output.
According to above-mentioned conception, wherein this signal processing unit also comprises a graphics processing unit, be electrically connected on this charge-coupled image sensor, this graphics processing unit is this initial detecting signal and this compound detection signal of voltage signal in order to calculation process, with output one scan picture signal.
According to above-mentioned conception, wherein this graphics processing unit is a hardware circuit.
According to above-mentioned conception, wherein this graphics processing unit is a software program.
The detection method of scanned physical parameter provided by the present invention and the advantage of device are that its reasonable in design, manufacturing are installed simple and easy, and have the function of the scanned width length of side of automatic detection and the length length of side.
Brief description of drawings
Below in conjunction with accompanying drawing in detail the preferred embodiments of the present invention are described in detail.In the accompanying drawing:
Fig. 1 is the process flow diagram of scanned physical parameter detection method of the present invention;
Fig. 2 is applied to the structure side cut-open view of a preferred embodiment of a paper feed type image-scanning device for the present invention;
Fig. 3 is the part-structure schematic perspective view of preferred embodiment shown in Fig. 2;
Fig. 4 is the user mode synoptic diagram of preferred embodiment shown in Fig. 2;
Fig. 5 A, 5B are respectively the signal pulse figure of preferred embodiment shown in Fig. 2;
Fig. 6 A, 6B are respectively structure assembling synoptic diagram and the signal pulse figure that the present invention is applied to another preferred embodiment of a paper feed type image-scanning device.
The description of preferred implementation
At first, see also Fig. 1, it is the process flow diagram of detection method of the present invention, move 111 the time when image-scanning device begins to carry out one scan, file will slowly be sent into 112, and judge whether the charge-coupled device (CCD) signal is initial detecting signal 113 this moment, if charge-coupled image sensor is the initial detecting signal, represent that then this document does not enter in the scope of this reflecting sign, that is file do not enter scanning form 18 (see figure 2)s as yet, then proceed to scan next bar line 114.
If this charge-coupled image sensor signal is not the initial detecting signal, represent that then this document has entered in the scope of this reflecting sign, be this document entered scanning form 18 begin to receive the initial optical signal that a light source is provided, this moment should be scanned and this detecting unit will receive this initial optical signal, to produce a compound detection signal, deliver to this charge-coupled image sensor, and wherein this compound detection signal comprises the scanned optical signalling that one first detection signal and this document of being produced by this detecting unit produced.
Therefore, find out the location of pixels 115 that this first detection signal and this scanned optical signalling conversion are taken place in the charge-coupled image sensor by a signal processing unit, can extrapolate the width 116 of file, and from this moment beginning input document image signal 117, whether and detecting charge-coupled image sensor simultaneously is initial detecting signal 118, if if not initial detecting signal, then continue next bar line 119 of scanning, up to detecting charge-coupled image sensor is the initial detecting signal, the expression file has been scanned to be finished, and then finishes input document image signal 120.
At this moment, by this signal processing unit, with this initial detecting signal and compound detection signal calculation process in addition, to obtain a length end boundary of this document, and the initial border of a length that cooperates this document when sending into, to be write down, can extrapolate the length 121 of file, with detection of end action 122.
Fig. 2 is applied to the structure side cut-open view of a paper feed type image-scanning device for the present invention, the upper shell 1 of this paper feed type image-scanning device comprises among the figure: a light source 11, one comprises catoptron 12,13,14,15 and the focus reflection device of lens 16, one charge-coupled image sensor 17, and one scan form 18, and the lower house 2 of this image-scanning device comprises a striated reflecting sign 21, this paper feed type image-scanning device is in order to scan one scanned 3, wherein the lateral length of this striated reflecting sign 21 is longer than this width length of side of scanned 3, thereby can therefore can not produced a required compound detection signal by this scanned 3 covering fully.
Pick-up unit of the present invention is used in has a light source 11, in the image-scanning device of one a focus reflection device 12 to 16 and a charge-coupled image sensor 17, wherein this light source 11 is in order to provide an initial optical signal, and this initial optical signal is projected to this striated reflecting sign 21, to produce an initial detecting signal, and this scanned 3 with this striated reflecting sign when overlapping, this initial optical signal be projected to this scanned 3, to produce a scanned optical signalling, and this initial optical signal is projected to striated reflecting sign part, so that partly do not produced one first detection signal by this scanned 3 this striated reflecting sign that covers.
See also Fig. 3 again, it is the part-structure schematic perspective view of preferred embodiment shown in Fig. 2, comprises among the figure: a lower house 2, one striated reflecting signs 21, are fixing monolateral 22, a plurality of rollers 23 and scanned 3.
See also Fig. 4 again, it is the user mode synoptic diagram of pick-up unit of the present invention.Comprise among the figure: lower house 2, striated reflecting sign 21, reflective boundary 211, fixing monolateral 22, a plurality of rollers 23, scanned 3, and this scanned 3 comprises an initial border 33 of 32, one length, 31, one second width borders, one first width border and a length end boundary 34.
At first, be positioned on the lower house 2 of this paper feed type image-scanning device scanned 3, and this this first width border 31 of scanned 3 is pasted together and should be fixed monolateral 22, then when scanister begins to move, with feed-in scanned 3 gradually, and make this scanned 3 overlapping with the part of this striated reflecting sign 21, make this this second width border 32 of scanned 3 adjacent to this striated reflecting sign 21; Wherein this striated reflecting sign 21 has regularly repeating striped, and in addition, this reflective boundary 211 is built in this image-scanning device to this fixing monolateral 22 distance, and it is a known length A.
Suppose that the paper feed type image-scanning device with a 300dpi is an example, see also the signal pulse figure of Fig. 5 A, 5B.Wherein Fig. 5 A is projected to the pulse diagram of the initial detecting signal that this known length A produced for this initial optical signal, and the signal intensity of this Z picture element is in order to represent the signal intensity of this reflective boundary 211, Fig. 5 B then is projected to this scanned 3 during with this striated reflecting sign 21 of crested not for this initial optical signal, a compound detection signal pulse figure who is produced.
Wherein the signal intensity of X pixel is in order to represent the signal intensity of the one first detection signal joint that this scanned 3 scanned optical signalling that is produced and this striated reflecting sign 21 are produced, that is this X pixel be this scanned 3 with the consecutive point of this reflecting sign 21, also is the consecutive point of this scanned optical signalling and this first detection signal certainly.So, by the number of pixels b that calculates between this X pixel and this Z pixel, can learn the length B apart of this this second width border 32 of scanned 3 and this reflective boundary 211, thereby known length A deducts at a distance of length B and is this this width length of side of scanned 3.
Therefore, when this striated reflecting sign 21 is not received this initial optical signal by these scanned 3 parts that hidden, can produce one first detection signal, and this scanned 3 will produce this scanned optical signalling, deliver to a signal processing unit by this compound detection signal that this first detection signal and this scanned optical signalling are formed, and this complex optics signal carried out calculation process, can learn this this width length of side of scanned 3.
Scanned 3 to carry out the process that the length length of side detects as described below to this for detection method of the present invention and device, wherein should fix monolateral 22 together in these scanned 3 subsides places, and scanning this before scanned 3, this initial optical signal that this image-scanning device provided is projected to this striated reflecting sign 21, and produce an initial detecting signal, shown in Fig. 5 A.
Then, when this image analyzer begin scanning this scanned 3, and this initial optical signal is when being projected to the initial border 33 of this this length of scanned 3, this scanned 3 will receive this initial optical signal and produce a scanned optical signalling, and this reflecting sign 21 of crested will not receive this initial optical signal and produce one first detection signal, and this scanned optical signalling and this first detection signal will be combined into this compound detection signal, shown in Fig. 5 B; At this moment, this included charge-coupled image sensor 17 of this signal processing unit will receive this scanned 3 scanned optical signalling that is produced, and should be handled by scanned optical signalling, to produce the one scan picture signal.
At last, after this image-scanning device is scanned up to this this length end boundary 34 of scanned 3, this image-scanning device will detect this initial detecting signal that is produced when this initial optical signal is projected to this striated reflecting sign 21 again, by this signal processing unit, this initial detecting signal and this compound detection signal are carried out calculation process (as cooperating scanned 3 step motor step number or the number of scanning lines of being walked), obtain this this length length of side of scanned 3, be scanned and finished this moment scanned 3, no longer covers striated reflecting sign 21.
That is, when scanned 3 be scanned before, what this charge-coupled image sensor 17 was measured is this initial optical signal, shown in Fig. 5 A, and scanning these scanned 3 o'clock, what this charge-coupled image sensor 17 was measured is this complex optics signal, shown in Fig. 5 B, when finish scanning this after scanned 3, what this charge-coupled image sensor 17 was measured is again this initial optical signal, shown in Fig. 5 A, in order to judge this initial border of length of scanned 3 and length end boundary, so just can be by detection, when obtaining this complex optics signal, begin to calculate the step number that this step motor is walked, when detecting this initial optical signal of acquisition once more, stop to calculate step number, perhaps calculate the number of scanning lines of process, to learn this length length of side of scanned 3.
Certainly, wherein the set-up mode of this striated reflecting sign 21 does not limit mode as shown in Figure 2, it can be arranged to the another kind of embodiment as shown in Fig. 6 A, wherein this image-scanning device need not be provided with fixing monolateral, and this striated reflecting sign 61 is because of having enough lateral lengths, then this scanned 6 can be positioned over the optional position, for this image-scanning device with its slowly feed-in, the compound detection signal that is produced will be shown in Fig. 6 B, and, can detect and learn this scanned 6 the width length of side and length length of side by same signal processing mode.
Signal processing unit wherein of the present invention can comprise a charge-coupled image sensor 17, and this charge-coupled image sensor 17 is in order to receive this initial detecting signal, this first detection signal and this scanned optical signalling, and be voltage signal output with the conversion of signals that is received, and wherein this signal processing unit can also comprise a graphics processing unit, be electrically connected on this charge-coupled image sensor 17, this graphics processing unit can be this initial detecting signal of voltage signal in order to calculation process, this first detection signal and this scanned optical signalling, to learn this this width length of side of scanned 3 and this length length of side, with output one scan picture signal, certainly, wherein this graphics processing unit can be a hardware circuit or a software program.
Claims (34)
1. the detection method of a scanned physical parameter, it is in order to detect a scanned physical parameter, and this physical parameter comprises the scanned length length of side or the width length of side, and wherein this detection method may further comprise the steps:
(a) provide an initial optical signal;
(b) receive this initial optical signal, and produce an initial detecting signal corresponding to this initial optical signal;
(c) receive this initial optical signal, and corresponding to this this scanned physical parameter, to produce a compound detection signal; And
(d) this initial detecting signal and this compound detection signal are carried out calculation process, learn this physical parameter that this is scanned.
2. the detection method of scanned physical parameter as claimed in claim 1 wherein in this step (a), provides the action of this initial optical signal to be realized by a light source.
3. the detection method of scanned physical parameter as claimed in claim 1, wherein in this step (b), the action that receives this initial optical signal realizes by a detecting unit, and this detecting unit produces this initial detecting signal.
4. the detection method of scanned physical parameter as claimed in claim 3, wherein this detecting unit is the alternate striated reflecting sign of a color.
5. the detection method of scanned physical parameter as claimed in claim 4, wherein the lateral length of this striated reflecting sign is longer than this scanned width length of side.
6. the detection method of scanned physical parameter as claimed in claim 4, wherein this striated reflecting sign is arranged on the image-scanning device, and is positioned on the travel path of this initial optical signal.
7. the detection method of scanned physical parameter as claimed in claim 1, wherein in this step (c), the action that receives this initial optical signal is by a detecting unit and this scanned realization, and this compound detection signal comprises that one first detection signal that is produced by this detecting unit is combined with this scanned scanned optical signalling that produces.
8. the detection method of scanned physical parameter as claimed in claim 7, wherein this physical parameter is this scanned width length of side.
9. the detection method of scanned physical parameter as claimed in claim 8, fixing monolateral comprising one, be arranged on the image-scanning device, make that the one first width border subsides of this width length of side together should be fixing monolateral, and make one second width border of this width length of side adjacent with this detecting unit.
10. the detection method of scanned physical parameter as claimed in claim 7, wherein the part of this detecting unit is scanned overlapping with this, and this is scanned in order to receive this initial optical signal, to produce this scanned optical signalling, and another part of this detecting unit is in order to receive this initial optical signal, so that this first detection signal to be provided.
11. the detection method of scanned physical parameter as claimed in claim 10, wherein in this step (d), by this first detection signal and this scanned optical signalling are carried out calculation process, obtain the consecutive point of this first detection signal and this scanned optical signalling, to obtain this this scanned width length of side.
12. the detection method of scanned physical parameter as claimed in claim 1, wherein this physical parameter is this scanned length length of side.
13. the detection method of scanned physical parameter as claimed in claim 12, wherein this detecting unit is scanned when being in one first state at this, receive this initial optical signal, to produce this initial detecting signal, and it is scanned when being in one second state at this, this scanned and this detecting unit receive this initial optical signal, to produce this compound detection signal, and it is scanned when being in a third state at this, this detecting unit receives this initial optical signal, to produce this initial detecting signal, wherein this first state is projected to state before the initial border of a length of this length length of side for this initial optical signal, and this second state is projected to this state when scanned for this initial optical signal, and this third state is projected to the state after the length end boundary of this length length of side for this initial optical signal.
14. the detection method of scanned physical parameter as claimed in claim 13, wherein this first state is that an image-scanning device begins to scan this scanned preceding state, and this second state scans this state when scanned for this image-scanning device, and this third state finishes this state after scanned of scanning for this image-scanning device.
15. the detection method of scanned physical parameter as claimed in claim 14, wherein in this step (d), by this initial detecting signal and this compound detection signal are carried out calculation process, to obtain this scanned initial border of this length and this length end boundary.
16. the detection method of scanned physical parameter as claimed in claim 1, wherein in this step (d), the action of this initial detecting signal and this compound detection signal being carried out calculation process realizes by a signal processing unit.
17. the detection method of scanned physical parameter as claimed in claim 16, wherein also comprise a focus reflection device, be arranged between a detecting unit and this signal processing unit, wherein this focus reflection device is in order to change the optical path of this initial detecting signal and this compound detection signal.
18. the detection method of scanned physical parameter as claimed in claim 16, wherein this signal processing unit comprises a charge-coupled image sensor, and this charge-coupled image sensor is in order to this initial detecting signal and this compound detection conversion of signals to be voltage signal output.
19. the detection method of scanned physical parameter as claimed in claim 18, wherein this signal processing unit also comprises a graphics processing unit, be electrically connected on this charge-coupled image sensor, this graphics processing unit is this initial detecting signal and this compound detection signal of voltage signal in order to calculation process, with output one scan picture signal.
20. the pick-up unit of a scanned physical parameter, it is applied to have in the image-scanning device of a light source, and this pick-up unit is in order to detect a scanned physical parameter, and this physical parameter comprises the scanned length length of side or the width length of side, and wherein this pick-up unit comprises:
One detecting unit, this detecting unit be in order to receiving the initial optical signal that this light source provides, and corresponding to this initial optical signal, produce an initial detecting signal; And wherein when this initial optical signal is projected to this scanned and this detecting unit, corresponding to this this scanned physical parameter, this is scanned to receive this initial optical signal with this detecting unit, to produce a compound detection signal; And
One signal processing unit, this signal processing unit be in order to receiving this initial detecting signal and this compound detection signal, and this initial detecting signal and this compound detection signal are carried out calculation process, to obtain this this scanned physical parameter.
21. the pick-up unit of scanned physical parameter as claimed in claim 20, wherein this detecting unit is the alternate striated reflecting sign of a color.
22. the pick-up unit of scanned physical parameter as claimed in claim 21, wherein the lateral length of this striated reflecting sign is longer than this scanned width length of side.
23. the pick-up unit of scanned physical parameter as claimed in claim 21, wherein this striated reflecting sign is arranged on the image-scanning device, and is positioned on the travel path of this initial optical signal.
24. the pick-up unit of scanned physical parameter as claimed in claim 20, wherein this physical parameter is this scanned width length of side.
25. the pick-up unit of scanned physical parameter as claimed in claim 24, fixing monolateral comprising one, be arranged on the image-scanning device, make that the one first width border subsides of this width length of side together should be fixing monolateral, and make one second width border of this width length of side adjacent with this detecting unit.
26. the pick-up unit of scanned physical parameter as claimed in claim 25, wherein the part of this detecting unit is scanned overlapping with this, and this is scanned in order to receive this initial optical signal, to produce a scanned optical signalling, and another part of this detecting unit is in order to receive this initial optical signal, so that one first detection signal to be provided, and wherein this compound detection signal is combined by this first detection signal and this scanned optical signalling.
27. the pick-up unit of scanned physical parameter as claimed in claim 26, wherein this signal processing unit carries out calculation process with this first detection signal and this scanned optical signalling, and obtain the consecutive point of this first detection signal and this scanned optical signalling, to obtain this this scanned width length of side.
28. the pick-up unit of scanned physical parameter as claimed in claim 20, wherein this physical parameter is this scanned length length of side.
29. the pick-up unit of scanned physical parameter as claimed in claim 28, wherein this detecting unit is scanned when being in one first state at this, receive this initial optical signal, to produce this initial detecting signal, and it is scanned when being in one second state at this, this scanned and this detecting unit receive this initial optical signal, to produce this compound detection signal, and it is scanned when being in a third state at this, this detecting unit receives this initial optical signal, to produce this initial detecting signal, wherein this first state is projected to state before the initial border of a length of this length length of side for this initial optical signal, and this second state is projected to this state when scanned for this initial optical signal, and this third state is projected to the state after the length end boundary of this length length of side for this initial optical signal.
30. the pick-up unit of scanned physical parameter as claimed in claim 29, wherein this first state is that an image-scanning device begins to scan this scanned preceding state, and this second state scans this state when scanned for this image-scanning device, and this third state finishes this state after scanned of scanning for this image-scanning device.
31. the pick-up unit of scanned physical parameter as claimed in claim 30, wherein this signal processing unit is handled this initial detecting signal and this compound detection signal, with the initial border of this length and this length end boundary of learning that this is scanned.
32. the pick-up unit of scanned physical parameter as claimed in claim 20, wherein also comprise a focus reflection device, be arranged between this detecting unit and this signal processing unit, wherein this focus reflection device is in order to change the optical path of this initial detecting signal and this compound detection signal.
33. the pick-up unit of scanned physical parameter as claimed in claim 20, wherein this signal processing unit comprises a charge-coupled image sensor, and this charge-coupled image sensor is in order to this initial detecting signal and this compound detection conversion of signals to be voltage signal output.
34. the pick-up unit of scanned physical parameter as claimed in claim 33, wherein this signal processing unit also comprises a graphics processing unit, be electrically connected on this charge-coupled image sensor, this graphics processing unit is this initial detecting signal and this compound detection signal of voltage signal in order to calculation process, with output one scan picture signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98103924 CN1097802C (en) | 1998-01-06 | 1998-01-06 | Physical parameter detecting method and equipment for scanned body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98103924 CN1097802C (en) | 1998-01-06 | 1998-01-06 | Physical parameter detecting method and equipment for scanned body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1222710A CN1222710A (en) | 1999-07-14 |
| CN1097802C true CN1097802C (en) | 2003-01-01 |
Family
ID=5218100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98103924 Expired - Fee Related CN1097802C (en) | 1998-01-06 | 1998-01-06 | Physical parameter detecting method and equipment for scanned body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1097802C (en) |
-
1998
- 1998-01-06 CN CN 98103924 patent/CN1097802C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1222710A (en) | 1999-07-14 |
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