CN201551303U - Lighting visual chart - Google Patents
Lighting visual chart Download PDFInfo
- Publication number
- CN201551303U CN201551303U CN2009202875515U CN200920287551U CN201551303U CN 201551303 U CN201551303 U CN 201551303U CN 2009202875515 U CN2009202875515 U CN 2009202875515U CN 200920287551 U CN200920287551 U CN 200920287551U CN 201551303 U CN201551303 U CN 201551303U
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- CN
- China
- Prior art keywords
- display screen
- lamp bulbs
- visual chart
- bulbs
- convenient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a lighting visual chart which comprises a frame, a display screen and marker indicating symbols that are arranged on the surface of the display screen along different directions, wherein the frame is internally provided with a plurality of lamp bulbs, and the position of each lamp bulb corresponds to the corresponding marker indicating symbol; all the lamp bulbs are connected in parallel and then are controlled by a respective switch; and the display screen is made of semi-transparent material. When vision is detected, the switches of the different lamp bulbs are closed by a worker in an unordered way, the different lamp bulbs respectively give out light for illuminating, and the indicating symbols can be lightened by the light through the display screen, so that bright and accurate indicating functions can be provided for a detected person, and confusion can be avoided. The lighting visual chart has the advantages of being convenient and practical, simple in technique, simple and convenient for operation and the like.
Description
Technical field this utility model relates to a kind of testing tool, and especially a kind of vision detects articles for use.
Background technology is present, all uses mark post indicating type visual acuity chart usually when detecting people's vision, and the surface rendering symbol of this kind visual acuity chart need be indicated with mark post during detection., be easy to be between two or more sign symbols during owing to the mark post indication, bring to the detected person and observe inconvenience.In order to address the above problem, we provide a kind of illumination visual acuity chart.
The summary of the invention the purpose of this utility model provides a kind of illumination visual acuity chart, be used to solve common visual acuity chart display precision low, cause error, problems such as inconvenience observation etc. easily.
For achieving the above object, this utility model illumination visual acuity chart, the mark indicators number that comprises the different directions on framework, display screen and display screen surface, at a plurality of bulbs of the inner installation of framework, and each bulb is corresponding with corresponding mark indicators position, after all bulb parallel connections by on-off control separately; Display screen is that trnaslucent materials is made.
After adopting said structure, when giving a test of one's eyesight, the staff only needs the switch of the different bulbs of unordered closure, make different bulbs carry out luminous illuminating respectively, light transmission display curtain illuminates designated symbol, for the detected person provides bright indicative function accurately, avoids confusion.
Compared with the prior art, the beneficial effects of the utility model are: convenient and practical, technology is simple, easy and simple to handle, the certainty of measurement height is convenient to accurate observation.
Description of drawings Fig. 1 is a stereochemical structure sketch of the present utility model.
Number in the figure: 1 is that framework, 2 is bulb for mark indicators number, 4 for display screen, 3.
The specific embodiment is shown in Fig. 1 stereochemical structure sketch of the present utility model, this utility model comprises the mark indicators numbers 3 of the different directions on framework 1, display screen 2 and display screen surface, at a plurality of bulbs 4 of the inner installation of framework, and each bulb is corresponding with corresponding mark indicators position, after all bulb parallel connections by on-off control separately; Display screen is that trnaslucent materials is made.Wherein, bulb can be selected different colours for use, so that more eye-catching indicative function is provided.
Claims (1)
- One kind the illumination visual acuity chart, the mark indicators number (3) that comprises the different directions on framework (1), display screen (2) and display screen (2) surface, it is characterized in that: at the inner a plurality of bulbs (4) of installing of framework (1), and each bulb (4) is corresponding with corresponding mark indicators number (3) position, and all bulbs (4) back in parallel is by on-off control separately; Display screen (2) is made for trnaslucent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202875515U CN201551303U (en) | 2009-12-11 | 2009-12-11 | Lighting visual chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202875515U CN201551303U (en) | 2009-12-11 | 2009-12-11 | Lighting visual chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201551303U true CN201551303U (en) | 2010-08-18 |
Family
ID=42610976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202875515U Expired - Fee Related CN201551303U (en) | 2009-12-11 | 2009-12-11 | Lighting visual chart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201551303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882843A (en) * | 2016-03-23 | 2018-11-23 | 维尤姆技术有限公司 | Eyesight exam method, vision tester and store the eyesight exam method program download server |
-
2009
- 2009-12-11 CN CN2009202875515U patent/CN201551303U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882843A (en) * | 2016-03-23 | 2018-11-23 | 维尤姆技术有限公司 | Eyesight exam method, vision tester and store the eyesight exam method program download server |
| CN108882843B (en) * | 2016-03-23 | 2022-04-05 | 维尤姆技术有限公司 | Vision examination method, vision examination instrument, and download server storing program for vision examination method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20101211 |