CN202981953U - Portable electronic vision tester - Google Patents
Portable electronic vision tester Download PDFInfo
- Publication number
- CN202981953U CN202981953U CN 201220635039 CN201220635039U CN202981953U CN 202981953 U CN202981953 U CN 202981953U CN 201220635039 CN201220635039 CN 201220635039 CN 201220635039 U CN201220635039 U CN 201220635039U CN 202981953 U CN202981953 U CN 202981953U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- display screen
- vision
- eyepiece
- 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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- Eye Examination Apparatus (AREA)
Abstract
The utility model relates to a portable electronic vision tester. A left eyepiece (1) and a right eyepiece (2) are mounted on the front surface of a vision tester shell (4), a liquid crystal display screen (3) with a single chip microcomputer controller is mounted on the back surface of the vision tester shell (4) and forms a virtual standard vision testing distance through the left eyepiece (1) and the right eyepiece (2), a direction control handle (5) is connected with a special interface on the vision tester shell (4) through a connecting line and used for acquiring hand input, standard vision testing characters are displayed on the liquid crystal display screen (3) with the single chip microcomputer controller, display scale is reduced when an input direction is correct and until a testee makes a mistake, the vision of the current testee is obtained, and a testing result is displayed on the liquid crystal display screen (3) with the single chip microcomputer controller.
Description
Technical field:
This utility model relates to a kind of portable electronic viseon tester, belongs to the examination of visual acuity healthcare field.
Background technology:
Current, test chart adopts the papery check table, and its inspection needs the professional to coordinate just to carry out, and application conditions is subjected to the restriction of the environment such as light.
Summary of the invention:
This utility model relates to a kind of portable electronic viseon tester, automatically gives a test of one's eyesight realizing, and the visual acuity test system of given check result.
For realizing above-mentioned purpose, this utility model adopts following technical scheme:
A kind of portable electronic viseon tester comprises:
Left eyepiece (1), right eyepiece (2), be with monolithic processor controlled liquid crystal display screen (3), viseon tester shell (4), direction joystick (5); As shown in Figure 1.
below in conjunction with accompanying drawing, technical construction of the present utility model and method are described: left eyepiece (1) and right eyepiece (2) are installed on the front of viseon tester shell (4), be installed on the back of viseon tester shell (4) with monolithic processor controlled liquid crystal display screen (3), be with monolithic processor controlled liquid crystal display screen (3) to form virtual standard vision range finding by left eyepiece (1) and right eyepiece (2), direction joystick (5) is connected with special purpose interface on viseon tester shell (4) by connecting line, be used for obtaining manual input, with the upper standard vision test character that shows of monolithic processor controlled liquid crystal display screen (3), when input direction is correct, displaying ratio is by dwindling, until test person is made mistakes, obtain the vision of current test person, show test results being with on monolithic processor controlled liquid crystal display screen (3).
The beneficial effects of the utility model: check directly perceived, easy to use, easy to carry.
Description of drawings:
Accompanying drawing 1 is structural representation of the present utility model
The specific embodiment:
In order to make the technical solution of the utility model clearer, below in conjunction with drawings and Examples, this utility model is further described, instantiation described herein only in order to explain this utility model, is not limited to this utility model.
Embodiment:
see also shown in accompanying drawing 1, left eyepiece (1) and right eyepiece (2) are installed on the front of viseon tester shell (4), be installed on the back of viseon tester shell (4) with monolithic processor controlled liquid crystal display screen (3), be with monolithic processor controlled liquid crystal display screen (3) to form virtual standard vision range finding by left eyepiece (1) and right eyepiece (2), direction joystick (5) is connected with special purpose interface on viseon tester shell (4) by connecting line, be used for obtaining manual input, with the upper standard vision test character that shows of monolithic processor controlled liquid crystal display screen (3), when input direction is correct, displaying ratio is by dwindling, until test person is made mistakes, obtain the vision of current test person, show test results being with on monolithic processor controlled liquid crystal display screen (3).
Claims (1)
1. portable electronic viseon tester comprises: left eyepiece (1), right eyepiece (2), be with monolithic processor controlled liquid crystal display screen (3), viseon tester shell (4), direction joystick (5), it is characterized in that: left eyepiece (1) and right eyepiece (2) are installed on the front of viseon tester shell (4), be installed on the back of viseon tester shell (4) with monolithic processor controlled liquid crystal display screen (3), be with monolithic processor controlled liquid crystal display screen (3) to form virtual standard vision range finding by left eyepiece (1) and right eyepiece (2), direction joystick (5) is connected with special purpose interface on viseon tester shell (4) by connecting line, be used for obtaining manual input, with the upper standard vision test character that shows of monolithic processor controlled liquid crystal display screen (3), when input direction is correct, displaying ratio is by dwindling, until test person is made mistakes, obtain the vision of current test person, show test results being with on monolithic processor controlled liquid crystal display screen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635039 CN202981953U (en) | 2012-11-27 | 2012-11-27 | Portable electronic vision tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635039 CN202981953U (en) | 2012-11-27 | 2012-11-27 | Portable electronic vision tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202981953U true CN202981953U (en) | 2013-06-12 |
Family
ID=48553189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220635039 Expired - Fee Related CN202981953U (en) | 2012-11-27 | 2012-11-27 | Portable electronic vision tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202981953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665760A (en) * | 2013-11-26 | 2015-06-03 | 步步高教育电子有限公司 | Visual testing instrument and visual testing method |
-
2012
- 2012-11-27 CN CN 201220635039 patent/CN202981953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665760A (en) * | 2013-11-26 | 2015-06-03 | 步步高教育电子有限公司 | Visual testing instrument and visual testing 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: 20130612 Termination date: 20131127 |