JPH02136224U - - Google Patents
Info
- Publication number
- JPH02136224U JPH02136224U JP4481089U JP4481089U JPH02136224U JP H02136224 U JPH02136224 U JP H02136224U JP 4481089 U JP4481089 U JP 4481089U JP 4481089 U JP4481089 U JP 4481089U JP H02136224 U JPH02136224 U JP H02136224U
- Authority
- JP
- Japan
- Prior art keywords
- illuminance
- low
- sunglasses
- transmittance
- transmittance changes
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims 3
- 210000004027 cell Anatomy 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Eyeglasses (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4481089U JPH02136224U (en, 2012) | 1989-04-17 | 1989-04-17 | |
US07/509,450 US5015086A (en) | 1989-04-17 | 1990-04-16 | Electronic sunglasses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4481089U JPH02136224U (en, 2012) | 1989-04-17 | 1989-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02136224U true JPH02136224U (en, 2012) | 1990-11-14 |
Family
ID=31558438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4481089U Pending JPH02136224U (en, 2012) | 1989-04-17 | 1989-04-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02136224U (en, 2012) |
-
1989
- 1989-04-17 JP JP4481089U patent/JPH02136224U/ja active Pending
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