JPS6464623A - Gas stream spray apparatus of non-contact type ocular tonometer - Google Patents
Gas stream spray apparatus of non-contact type ocular tonometerInfo
- Publication number
- JPS6464623A JPS6464623A JP62220930A JP22093087A JPS6464623A JP S6464623 A JPS6464623 A JP S6464623A JP 62220930 A JP62220930 A JP 62220930A JP 22093087 A JP22093087 A JP 22093087A JP S6464623 A JPS6464623 A JP S6464623A
- Authority
- JP
- Japan
- Prior art keywords
- spraying
- air
- compressed air
- examined
- eye
- 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.)
- Pending
Links
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
PURPOSE:To allow an examinee in receiving compressed measuring gas at its necessary minimum, by providing a spraying block means for blocking the spraying of the measuring gas from a nozzle. CONSTITUTION:An eye H to be examined is irradiated with infrared rays by a projection system. Next, a piston 11 is raised by the revolution of a rotary solenoid 1 to compress the air in a compression chamber 14 to spray compressed air to the eye H to be examined from a nozzle 25. The cornea of the eye H to be examined is flattened under pressure by this spraying and, when an applanation detection signal is outputted from an applanation detection circuit 32, a control apparatus 37 stops output. The supply of a current to the rotary solenoid is stopped but the piston 11 further compresses the air in the compression chamber 14 by inertia. A current is supplied by the operation of a drive circuit 34 to operate a solenoid 18 and, since a valve 17 closes an air outlet 15 by this operation, the compressed air compressed by the inertia of the piston 11 is not supplied to the nozzle 25. Therefore, the spraying of the compressed air is blocked and compressed air is sprayed to an examinee at a necessary minimum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62220930A JPS6464623A (en) | 1987-09-03 | 1987-09-03 | Gas stream spray apparatus of non-contact type ocular tonometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62220930A JPS6464623A (en) | 1987-09-03 | 1987-09-03 | Gas stream spray apparatus of non-contact type ocular tonometer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6464623A true JPS6464623A (en) | 1989-03-10 |
Family
ID=16758782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62220930A Pending JPS6464623A (en) | 1987-09-03 | 1987-09-03 | Gas stream spray apparatus of non-contact type ocular tonometer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6464623A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5947546A (en) * | 1996-10-22 | 1999-09-07 | Chrysler Corporation | Apparatus for attaching a soft top to a motor vehicle |
US5979969A (en) * | 1997-10-22 | 1999-11-09 | Chrysler Corporation | Apparatus for selectively mounting a hard top and a soft top to a motor vehicle |
US5992917A (en) * | 1996-10-22 | 1999-11-30 | Chrysler Corporation | Top system for a motor vehicle |
US6036256A (en) * | 1996-10-22 | 2000-03-14 | Chrysler Corporation | Window assembly for a motor vehicle |
US6295713B1 (en) | 1996-10-22 | 2001-10-02 | Chrysler Corporation | Method for attaching a soft top to a motor vehicle body |
CN104490360A (en) * | 2014-11-19 | 2015-04-08 | 上海市计量测试技术研究院 | Contact-type applanation tonometer calibrating apparatus and method |
JP2022111333A (en) * | 2017-03-24 | 2022-07-29 | 株式会社トプコン | Ophthalmological device |
-
1987
- 1987-09-03 JP JP62220930A patent/JPS6464623A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5947546A (en) * | 1996-10-22 | 1999-09-07 | Chrysler Corporation | Apparatus for attaching a soft top to a motor vehicle |
US5992917A (en) * | 1996-10-22 | 1999-11-30 | Chrysler Corporation | Top system for a motor vehicle |
US6036256A (en) * | 1996-10-22 | 2000-03-14 | Chrysler Corporation | Window assembly for a motor vehicle |
US6295713B1 (en) | 1996-10-22 | 2001-10-02 | Chrysler Corporation | Method for attaching a soft top to a motor vehicle body |
US5979969A (en) * | 1997-10-22 | 1999-11-09 | Chrysler Corporation | Apparatus for selectively mounting a hard top and a soft top to a motor vehicle |
CN104490360A (en) * | 2014-11-19 | 2015-04-08 | 上海市计量测试技术研究院 | Contact-type applanation tonometer calibrating apparatus and method |
JP2022111333A (en) * | 2017-03-24 | 2022-07-29 | 株式会社トプコン | Ophthalmological device |
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