JPS6430586U - - Google Patents
Info
- Publication number
- JPS6430586U JPS6430586U JP12430987U JP12430987U JPS6430586U JP S6430586 U JPS6430586 U JP S6430586U JP 12430987 U JP12430987 U JP 12430987U JP 12430987 U JP12430987 U JP 12430987U JP S6430586 U JPS6430586 U JP S6430586U
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- cathode ray
- ray tube
- optical axis
- view
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12430987U JPH0423257Y2 (https=) | 1987-08-14 | 1987-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12430987U JPH0423257Y2 (https=) | 1987-08-14 | 1987-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6430586U true JPS6430586U (https=) | 1989-02-23 |
| JPH0423257Y2 JPH0423257Y2 (https=) | 1992-05-29 |
Family
ID=31373929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12430987U Expired JPH0423257Y2 (https=) | 1987-08-14 | 1987-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423257Y2 (https=) |
-
1987
- 1987-08-14 JP JP12430987U patent/JPH0423257Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0423257Y2 (https=) | 1992-05-29 |