JPH0463423U - - Google Patents
Info
- Publication number
- JPH0463423U JPH0463423U JP10643390U JP10643390U JPH0463423U JP H0463423 U JPH0463423 U JP H0463423U JP 10643390 U JP10643390 U JP 10643390U JP 10643390 U JP10643390 U JP 10643390U JP H0463423 U JPH0463423 U JP H0463423U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- varied
- lens
- varying
- transparent liquid
- 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
- 239000007788 liquid Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
1図は正面図、2図は側面図、3図は1図の断
面図、4図は2図の断面図。
イは筒状基材部、ロ,ハは透明で且つ弾力性を
もつた膜、ニは透明な液体又は気体を充填する注
入口。
Figure 1 is a front view, Figure 2 is a side view, Figure 3 is a sectional view of Figure 1, and Figure 4 is a sectional view of Figure 2. A is a cylindrical base member, B and C are transparent and elastic membranes, and D is an injection port filled with transparent liquid or gas.
Claims (1)
り、レンズの焦点距離を可変する。 By varying the filling pressure of transparent liquid or gas, the focal length of the lens can be varied.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10643390U JPH0463423U (en) | 1990-10-08 | 1990-10-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10643390U JPH0463423U (en) | 1990-10-08 | 1990-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0463423U true JPH0463423U (en) | 1992-05-29 |
Family
ID=31852514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10643390U Pending JPH0463423U (en) | 1990-10-08 | 1990-10-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0463423U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005284066A (en) * | 2004-03-30 | 2005-10-13 | Nippon Tenganyaku Kenkyusho:Kk | Variable focus lens, and instrument and display using variable focus lens |
-
1990
- 1990-10-08 JP JP10643390U patent/JPH0463423U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005284066A (en) * | 2004-03-30 | 2005-10-13 | Nippon Tenganyaku Kenkyusho:Kk | Variable focus lens, and instrument and display using variable focus lens |