JPH0485321U - - Google Patents
Info
- Publication number
- JPH0485321U JPH0485321U JP12651490U JP12651490U JPH0485321U JP H0485321 U JPH0485321 U JP H0485321U JP 12651490 U JP12651490 U JP 12651490U JP 12651490 U JP12651490 U JP 12651490U JP H0485321 U JPH0485321 U JP H0485321U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- observed
- housing
- light source
- limiting member
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 2
- 230000004297 night vision Effects 0.000 claims 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Eyeglasses (AREA)
Description
第１図はこの考案の一実施例を示す一部切欠き
の正面図、第２図はその一部を切欠いて示す側面
図、第３図は第１図の平面図、第４図は第２図の
−線に沿う平面図、第５図は本実施例におけ
る被観察用レンズ載置部分の平面図、第６図およ
び第７図は被観察用レンズに対する光量制限部材
の斜視図、第８図は観察されるレンズの平面図で
ある。
１……被観察用レンズ、２……隠しマーク、１
０……基板、１１……ハウジング、１２，１５…
…支柱、１３……被観察用レンズの載置用支持部
材、１４……レンズ位置合せ板、１７……観察用
接眼レンズ、１８……光透過開口、２０……照明
光源、２２，２３……ガイドレール、２４……第
１の光量制限部材、２６……第２の光量制限部材
。
Fig. 1 is a partially cutaway front view showing an embodiment of this invention, Fig. 2 is a partially cutaway side view, Fig. 3 is a plan view of Fig. 1, and Fig. 4 is a partially cutaway side view showing an embodiment of the invention. 2 is a plan view taken along the - line in FIG. 2, FIG. 5 is a plan view of the lens to be observed mounting portion in this embodiment, FIGS. 6 and 7 are perspective views of the light quantity limiting member for the lens to be observed, and FIG. FIG. 8 is a plan view of the lens to be observed. 1...Lens for observation, 2...Hidden mark, 1
0... Board, 11... Housing, 12, 15...
... Strut, 13... Support member for placing the lens to be observed, 14... Lens positioning plate, 17... Eyepiece for observation, 18... Light transmission aperture, 20... Illumination light source, 22, 23... ...Guide rail, 24...First light amount limiting member, 26...Second light amount limiting member.
Claims (1)
グと、前記ハウジングの上方に配置され表面に凸
もしくは凹状に一体成形した隠しマークを有する
被観察用レンズを載置する支持部材と、前記支持
部材上の被観察用レンズに対向して前記ハウジン
グに形成された光透過開口と、前記ハウジング内
に前記光透過開口に対向して配設された照明光源
と、前記光透過開口と前記照明光源間に出し入れ
可能に配置され前記照明光源からの光量を前記被
観察用レンズの凸状隠しマークが明瞭に識別でき
るように制限する第１の光量制限部材と、前記光
透過開口と前記照明光源間に出し入れ可能に配置
され前記被観察用レンズに対する前記照明光源の
照明領域を限定して暗視背景にすると共に前記被
観察用レンズの凹状隠しマークが明瞭に識別でき
るようにする第２の光量制限部材とから構成した
ことを特徴とするレンズの隠しマークの観察装置
。 a substrate, a housing attached to the substrate, a support member on which a lens to be observed is placed, which is disposed above the housing and has a hidden mark integrally formed in a convex or concave manner on the surface; a light transmission aperture formed in the housing to face the lens to be observed; an illumination light source disposed in the housing to face the light transmission aperture; a first light amount limiting member that is arranged so as to limit the amount of light from the illumination light source so that the convex hidden mark of the lens to be observed can be clearly identified; and a first light amount limiting member that can be inserted and removed between the light transmission aperture and the illumination light source a second light amount limiting member disposed in the lens to limit the illumination area of the illumination light source to the lens to be observed, to provide a night vision background, and to enable a concave hidden mark on the lens to be observed to be clearly identified; A device for observing hidden marks on a lens, characterized by the following configuration:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12651490U JP2508979Y2 (en) | 1990-11-30 | 1990-11-30 | Hidden mark observation device for lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12651490U JP2508979Y2 (en) | 1990-11-30 | 1990-11-30 | Hidden mark observation device for lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485321U true JPH0485321U (en) | 1992-07-24 |
| JP2508979Y2 JP2508979Y2 (en) | 1996-08-28 |
Family
ID=31874065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12651490U Expired - Lifetime JP2508979Y2 (en) | 1990-11-30 | 1990-11-30 | Hidden mark observation device for lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508979Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010038658A1 (en) * | 2008-09-30 | 2010-04-08 | 株式会社トプコン | Device for observing hidden mark in eyeglass lens |
-
1990
- 1990-11-30 JP JP12651490U patent/JP2508979Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010038658A1 (en) * | 2008-09-30 | 2010-04-08 | 株式会社トプコン | Device for observing hidden mark in eyeglass lens |
| JP2010085589A (en) * | 2008-09-30 | 2010-04-15 | Topcon Corp | Device for observing hidden mark in eyeglass lens |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2508979Y2 (en) | 1996-08-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |