CN2650700Y - Vision instruments - Google Patents
Vision instruments Download PDFInfo
- Publication number
- CN2650700Y CN2650700Y CN 03268921 CN03268921U CN2650700Y CN 2650700 Y CN2650700 Y CN 2650700Y CN 03268921 CN03268921 CN 03268921 CN 03268921 U CN03268921 U CN 03268921U CN 2650700 Y CN2650700 Y CN 2650700Y
- Authority
- CN
- China
- Prior art keywords
- sighting target
- controller
- eyesight
- testing device
- operation keyboard
- 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
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A eyesight testing device is provided, which pertains to the technical field of medical appliances. The eyesight testing device comprises an operating keyboard, a controller, and a sighting target screen. The operating keyboard is arranged with a switch, sighting target selection keys, and sighting target direction keys, and is connected to the controller through a cable; the controller is composed of electronic components, and is provided with a printer, and the upper part of the controller is connected to the sighting target screen. The eyesight testing device doesn't have to be operated by a specialized operator, and can avoid the error resulted from fluctuations of sighting target indication time and the fraud phenomenon caused by fixed sighting target direction.
Description
Affiliated technical field
This utility model belongs to technical field of medical instruments, and concrete is a kind of vision tester for eyesight.
Background technology
There is following deficiency in existing examination of visual acuity equipment: 1. need the professional and technical personnel to assist operation, waste time and energy; 2. sighting target is neglected the long weak point of neglecting instruction time, and anthropic factor is bigger to eyesight testing result's accuracy influence; 3. the direction fixed-site of sighting target is constant, and the experimenter remembers easily, causes the eyesight testing result inaccurate.
The purpose of utility model
The purpose of this utility model provides a kind of vision tester for eyesight, and it does not only need professional and technical personnel's assistance to cooperate, and the time length unanimity of sighting target indication, and sighting target can occur at random, and direction is unfixing.
Technical scheme
The purpose of this utility model is achieved in that vision tester for eyesight is made up of operation keyboard, controller and sighting target screen, operation keyboard links to each other with controller by the cable greater than 5 meters, controller is made up of electronic devices and components, and mini-printer is housed, and its top connects a sighting target screen.
Beneficial effect
Owing to adopt such scheme, can reduce professional and technical personnel's work, avoid sighting target to neglect the long short deviation that causes of neglecting instruction time, stop the cheating phenomenon that causes by sighting target direction fixed-site.
Description of drawings
This accompanying drawing is a structural representation of the present utility model.Among the figure: 1, operation keyboard, 2, switch, 3, the sighting target options button, 4, sighting target direction acknowledgement key, 5, controller, 6, printer, 7, the sighting target screen.
Realize the utility model best way
Claims (3)
1, a kind of vision tester for eyesight is made up of operation keyboard (1), controller (5) and sighting target screen (7), it is characterized in that: operation keyboard (1) links to each other with controller (5) by cable, and controller (5) top links to each other with sighting target screen (7).
2, a kind of vision tester for eyesight according to claim 1 is characterized in that: operation keyboard (1) is provided with switch (2), sighting target options button (3) and sighting target direction acknowledgement key (4), and the various instructions on the operation keyboard (1) are passed to controller (5) by cable.
3, a kind of vision tester for eyesight according to claim 1 is characterized in that: controller (5) is made up of electronic devices and components, according to various instructions signal is shown on the sighting target screen (7), and the result prints by mini-printer (6) the most at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03268921 CN2650700Y (en) | 2003-07-10 | 2003-07-10 | Vision instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03268921 CN2650700Y (en) | 2003-07-10 | 2003-07-10 | Vision instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2650700Y true CN2650700Y (en) | 2004-10-27 |
Family
ID=34330165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03268921 Expired - Fee Related CN2650700Y (en) | 2003-07-10 | 2003-07-10 | Vision instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2650700Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115094A (en) * | 2017-04-21 | 2017-09-01 | 杭州瑞杰珑科技有限公司 | Amblyopia detecting system |
-
2003
- 2003-07-10 CN CN 03268921 patent/CN2650700Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115094A (en) * | 2017-04-21 | 2017-09-01 | 杭州瑞杰珑科技有限公司 | Amblyopia detecting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2650700Y (en) | Vision instruments | |
| CN201477064U (en) | Chloride ion tester | |
| CN203758766U (en) | Cardiopulmonary resuscitation machine detection device | |
| CN2803268Y (en) | Optometer | |
| CN201000359Y (en) | height and weight measuring instrument | |
| CN203849268U (en) | Novel full-automatic blood analyzer | |
| CN205691513U (en) | A kind of palm Urine Analyzer convenient to operate | |
| CN204797879U (en) | It is colored through cranium doppler diagnostic equipment | |
| CN202801637U (en) | Handheld device used for assessing and training pelvic floor muscle strength | |
| CN203107137U (en) | Handhold reaction time tester | |
| CN2930611Y (en) | Electronic sphygmomanometer with promp and correction function | |
| CN202024855U (en) | Portable detecting equipment for pressure gauge on locomotive | |
| CN1650803A (en) | Test device for use while human body comprehensive reaction and its method | |
| CN2859551Y (en) | Intellectual power cable phase detecting instrument | |
| CN201662595U (en) | Sheet resistance tester for conductive glass film layer of touch screen | |
| CN1150857C (en) | Method and device for measuring human body reaction time | |
| CN201505134U (en) | Medical measuring device for joint angle | |
| CN203074864U (en) | Puncturing positioner | |
| CN206334271U (en) | Standing body is anteflexion trainer | |
| CN207986433U (en) | Elevator wire rope tension variation detection device | |
| CN101390746B (en) | Elastic vertical compression type pain quantitative determination instrument | |
| CN202051687U (en) | Electronic visual chart | |
| CN203885624U (en) | Multifunctional prenatal diagnostic apparatus | |
| CN202720314U (en) | A main board tester of a panel PC | |
| CN105955086B (en) | It is a kind of intelligence healing hand function assessment and training system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |