CN201514640U - Bar code scanister capable of switching over scanning reading resolution factor - Google Patents
Bar code scanister capable of switching over scanning reading resolution factor Download PDFInfo
- Publication number
- CN201514640U CN201514640U CN2009202195278U CN200920219527U CN201514640U CN 201514640 U CN201514640 U CN 201514640U CN 2009202195278 U CN2009202195278 U CN 2009202195278U CN 200920219527 U CN200920219527 U CN 200920219527U CN 201514640 U CN201514640 U CN 201514640U
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- CN
- China
- Prior art keywords
- bar code
- housing
- magnifier
- code scanner
- out resolution
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- Expired - Fee Related
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Abstract
The utility model discloses a bar code scanister which can switch over scanning reading resolution factor. The scanister can be used to scan a bar code, and the bar code can be a high resolution bar code or a low resolution bar code. The bar code scanister comprises a casing, a scanning module, and a switchable amplifying module, wherein the casing is provided with an opening, the scanning module is arranged in the casing and is provided with a lighting unit giving off an illuminating ray from the opening to the bar code and a sensing unit of a bar code image formed by reflecting that the illuminating ray rays the bar code through the opening, the switchable amplifying module is provided with a magnifying glass used to magnify the bar code image and a switching unit used to switch over the position where the magnifying glass is relative to the sensing unit, and the switching unit can drive the magnifying glass to switch over between an off-axis position not positioning between the sensing unit and the bar code and an on-axis position positioning between the sensing unit and the bar code.
Description
Technical field
The utility model relates to a kind of bar code scanner, relates in particular to a kind of bar code scanner of changeable read-out resolution.
Background technology
Bar code scanner is with the specific optical module of sensing component collocation, in order to a bar code is scanned to obtain corresponding information.In general, a kind of bar code scanner has only a kind of specific optics highest resolution usually, in use, can only correspondingly scan the bar code that is lower than this highest resolution.
Because the high resolving power of bar code has become trend, so that reduce bar code volume and material cost.Yet, because the resolution and the depth of field of the optical lens of bar code scanner are inversely proportional to, therefore, can scan the high resolving power (bar code scanner of＜4mil) bar code, the optics depth of field that it had (Depth ofFocus) is but shorter relatively, mean user's needs correctly bar code is placed one before and after bar code scanner the place ahead one specific range among a small circle in, scanning bar code effectively.Otherwise (bar code scanner of＞4mil) bar code because its optics depth of field is relatively large, than the distance that need not consider between bar code and the bar code scanner, can effectively improve scan efficiency in uses only to scan low resolution.
Therefore, businessman is often arranged in order to address the above problem, and two kinds of bar code scanners have been prepared with different resolution, the bar code scanner of low resolution is used to scan the bar code of general low resolution, but when running into high-resolution bar code, just use high-resolution bar code scanner instead and scan, so that improve whole scan efficiency.
Yet, prepare two kinds of bar code scanners with different resolution, for businessmans as a large amount of use of needs bar code scanners such as large-scale sales fields, it may cause need increase extra equipment purchasing cost significantly, and, the bar code scanner of the cost phase low resolution of high-resolution bar code scanner is high, and for businessman, it is bigger to influence operation costs.
The utility model content
The purpose of this utility model is to propose a kind of bar code scanner of changeable scanning read-out resolution, can be in order to scan a low-resolution barcode or a high resolving power bar code.
For achieving the above object, the utility model provides a kind of bar code scanner of changeable scanning read-out resolution, and scanning scanning scanning scanning is characterized in that, comprises:
One housing has an opening;
The one scan module, be located in this housing, this scan module has one and shines the luminescence unit of an illuminating ray via this opening to this bar code, and one shines the sensing cell of the bar code image that this bar code reflects to form via this opening sensing via this illuminating ray; And
One switchable type amplification module, have one in order to amplify the magnifier of this bar code image, and one in order to switching the relatively switch unit of the position of this sensing cell of this magnifier, this switch unit can drive this magnifier one non-between this sensing cell and this bar code off-axis position and one between this sensing cell and this bar code spool on switching between the position.
The bar code scanner of above-mentioned changeable scanning read-out resolution is characterized in that this magnifier is positioned at this housing.
The bar code scanner of above-mentioned changeable scanning read-out resolution, it is characterized in that, this switch unit comprises a support portion, that connects this magnifier and is formed on this housing for stretch through chute to this housing of this support portion, and one connects this support portion and is positioned at this housing operating portion outward.
The bar code scanner of above-mentioned changeable scanning read-out resolution is characterized in that this magnifier is positioned at outside the housing.
The bar code scanner of above-mentioned changeable scanning read-out resolution is characterized in that, this switch unit comprises at least one articulated section that is articulated on this housing, and a support portion that connects this articulated section and be provided with for this magnifier.
The bar code scanner of above-mentioned changeable scanning read-out resolution is characterized in that, this housing is hand-held bar code scanner housing, fixed bar code scanner housing or data collector housing.
Effect of the present utility model is, drives this magnifier by this switch unit and is positioned at a last position, can be in order to a high resolving power bar code is scanned.Because this magnifier can produce a magnified image to the high resolving power bar code that is positioned at its focus, the resolution of high resolving power bar code is reduced in the sensing cell tolerance interval, make that this sensing cell can be via this magnifier this magnified image of sensing clearly, so that read the relevant information that is had on this high resolving power bar code.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the synoptic diagram of first preferred embodiment of the bar code scanner of changeable scanning read-out resolution of the present utility model;
Fig. 2 is the operation chart of the bar code scanner of the changeable scanning read-out resolution among Fig. 1;
Fig. 3 is the light path synoptic diagram of the bar code scanner of this changeable scanning read-out resolution;
Fig. 4 is the synoptic diagram of second preferred embodiment of the bar code scanner of changeable scanning read-out resolution of the present utility model; And
Fig. 5 is the operation chart of the bar code scanner of the changeable scanning read-out resolution among Fig. 4.
Wherein, Reference numeral
Sensing cell 22 sensing components 221
Operating portion 323 switchable type amplification modules 40
421 support portions 422, articulated section
High resolving power bar code 100 magnified images 110
Embodiment
Relevant technology contents of the present utility model, detailed description, and effect now cooperate graphic being described as follows:
As shown in Figure 1, first preferred embodiment for the bar code scanner of a kind of changeable scanning read-out resolution of the present utility model, can be in order to scanning a bar code (figure do not show), this bar code can be a common low-resolution barcode (＞4mil) or a high resolving power bar code (＜4mil).And this bar code is not limited to one-dimensional bar code, also can be two-dimensional bar.This bar code scanner consists predominantly of a housing 10, one scan module 20, and a switchable type amplification module 30.
This housing 10 is the housing of a hand-held bar code scanner, and it has a grip part 11 that grips for hand, and a scanner section 12 that is extended forward by these grip part 11 upper limbs, and these scanner section 12 front ends have an opening 13.What need special instruction is though the housing 10 of present embodiment is an example with hand-held bar code scanner housing, during actual enforcement, also can adopt fixed bar code scanner housing or data collector housing.
This scan module 20 is located in the scanner section 12 of this housing 10, this scan module 20 has one and shines the luminescence unit 21 of an illuminating ray via this opening 13 to this bar code, and one shines the sensing cell 22 of the bar code image that this bar code reflects to form via this this illuminating ray of opening 13 sensings.As shown in Figure 3, specifically, this sensing cell 22 comprises one in order to being the sensing component 221 of electric signal with extraneous video conversion, and at least one in order to the optical mirror slip 222 of extraneous video imaging on this sensing component 221.This sensing component 221 can be a CMOS sensing component or a CCD sensing component.
As shown in Figure 1, this switchable type amplification module 30 roughly is located in this housing 10, and it has a magnifier 31 in order to amplify this bar code image, and a switch unit 32 in order to the position of switching these magnifier 31 relative these sensing cells 22.
This magnifier 31 is positioned at the scanner section 12 of this housing 10, and roughly is positioned at the place ahead of this sensing cell 22.Specifically, this magnifier 31 can be convex lens.This switch unit 32 comprises a support portion 321, that connects this magnifier 31 and is formed on this housing 10 for stretch through chute 322 to this housing 10 of this support portion 321, and one connects this support portion 321 and is positioned at this housing 10 operating portion 323 outward.Move this operating portion 323 by finger, can drive the position that this magnifier 31 is moved in this support portion 321.
In addition, bar code scanner of the present utility model also comprises the slide 50 of being located at these opening 13 places, can supply light penetration, and in order to scan module 20 and this switchable type amplification module 30 are closed within the housing 10.
As shown in Figures 1 and 2, drive this magnifier 31 by this switch unit 32, make this magnifier 31 can be, and one switching on the axle between this sensing cell 22 and this bar code between the position (as Fig. 2) at a non-off-axis position (as Fig. 1) between this sensing cell 22 and this bar code.
As shown in Figure 1, when this magnifier 31 is positioned at off-axis position, but the image of these sensing cell 22 these bar codes of direct sensing, reading the relevant information that is had on this bar code, yet this bar code only limits to low-resolution barcode.But owing to need not pass through this magnifier 31, this bar code scanner of this state can have the long optics depth of field, can be convenient to user's operation, effectively improves scan efficiency.
Relatively, as shown in Figures 2 and 3, when this magnifier 31 is positioned at a spool last position, then can be in order to a high resolving power bar code 100 is scanned, the resolution of this high resolving power bar code 100 is less than 4mil.Because this magnifier 31 can produce a magnified image 110 to the high resolving power bar code 100 that is positioned at its focal point F, the resolution of high resolving power bar code 100 is reduced in sensing cell 22 tolerance intervals, make that this sensing cell 22 can be via this magnifier 31 this magnified image 110 of sensing clearly, so that read the relevant information that is had on this high resolving power bar code 100.
As shown in Figure 4, second preferred embodiment for the bar code scanner of a kind of changeable scanning read-out resolution of the present utility model, itself and first preferred embodiment are roughly the same, difference is that this switchable type amplification module 40 roughly is located at outside this housing 10, it comprises a magnifier 41 in order to amplify this bar code image, and one connects with this magnifier 41 and in order to the switch unit 42 of the position of switching these magnifier 41 relative these sensing cells 22.This magnifier 41 is positioned at outside this housing 10.This switch unit 42 comprises two articulated sections 421 that are articulated on this housing 40, and a support portion 422 that connects this articulated section 421 and be provided with for this magnifier 41.It should be noted that the quantity of this articulated section 421 is not limited to two, also can be one during actual enforcement.
As Fig. 4 and shown in Figure 5, the user can be by moving up and down this switch unit 42, to drive this magnifier 41, make this magnifier 41 can be, and one switching on the axle between this sensing cell 22 and this bar code between the position (as Fig. 5) at a non-off-axis position (as Fig. 4) between this sensing cell 22 and this bar code.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (6)
1. the bar code scanner of a changeable scanning read-out resolution is characterized in that, comprises:
One housing has an opening;
The one scan module, be located in this housing, this scan module has one and shines the luminescence unit of an illuminating ray via this opening to this bar code, and one shines the sensing cell of the bar code image that this bar code reflects to form via this opening sensing via this illuminating ray; And
One switchable type amplification module, have one in order to amplify the magnifier of this bar code image, and one in order to switching the relatively switch unit of the position of this sensing cell of this magnifier, this switch unit can drive this magnifier one non-between this sensing cell and this bar code off-axis position and one between this sensing cell and this bar code spool on switching between the position.
2. the bar code scanner of changeable scanning read-out resolution according to claim 1 is characterized in that, this magnifier is positioned at this housing.
3. the bar code scanner of changeable scanning read-out resolution according to claim 2, it is characterized in that, this switch unit comprises a support portion, that connects this magnifier and is formed on this housing for stretch through chute to this housing of this support portion, and one connects this support portion and is positioned at this housing operating portion outward.
4. the bar code scanner of changeable scanning read-out resolution according to claim 1 is characterized in that, this magnifier is positioned at outside the housing.
5. the bar code scanner of changeable scanning read-out resolution according to claim 4 is characterized in that, this switch unit comprises at least one articulated section that is articulated on this housing, and a support portion that connects this articulated section and be provided with for this magnifier.
6. the bar code scanner of changeable scanning read-out resolution according to claim 1 is characterized in that, this housing is hand-held bar code scanner housing, fixed bar code scanner housing or data collector housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202195278U CN201514640U (en) | 2009-10-14 | 2009-10-14 | Bar code scanister capable of switching over scanning reading resolution factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202195278U CN201514640U (en) | 2009-10-14 | 2009-10-14 | Bar code scanister capable of switching over scanning reading resolution factor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514640U true CN201514640U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202195278U Expired - Fee Related CN201514640U (en) | 2009-10-14 | 2009-10-14 | Bar code scanister capable of switching over scanning reading resolution factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106874816A (en) * | 2013-03-04 | 2017-06-20 | 东芝泰格有限公司 | Information processor and its control method |
-
2009
- 2009-10-14 CN CN2009202195278U patent/CN201514640U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106874816A (en) * | 2013-03-04 | 2017-06-20 | 东芝泰格有限公司 | Information processor and its control method |
| CN106874816B (en) * | 2013-03-04 | 2019-11-08 | 东芝泰格有限公司 | Information processing unit and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20181014 |