JPH021851U - - Google Patents
Info
- Publication number
- JPH021851U JPH021851U JP8030188U JP8030188U JPH021851U JP H021851 U JPH021851 U JP H021851U JP 8030188 U JP8030188 U JP 8030188U JP 8030188 U JP8030188 U JP 8030188U JP H021851 U JPH021851 U JP H021851U
- Authority
- JP
- Japan
- Prior art keywords
- exposure area
- brightness
- ray tube
- cathode ray
- registration request
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Description
第１図、第２図、第３図は本考案の一実施例の
側面図、正面図、構成図である。
１……ブラウン管、２……露光部、３……蛍光
面、４……フオトセンサ、５……電子銃、６……
輝度制御回路。
1, 2, and 3 are a side view, a front view, and a configuration diagram of an embodiment of the present invention. 1... Braun tube, 2... Exposure section, 3... Fluorescent screen, 4... Photo sensor, 5... Electron gun, 6...
Brightness control circuit.
Claims (1)
、この手段により前記露光部の周囲の明るさに応
じて前記露光部の輝度を自動調整する手段とを具
備してなることを特徴とするブラウン管。 The device is provided on a phosphor screen outside the exposure area, and includes means for sensing light, and means for automatically adjusting the brightness of the exposure area according to the brightness around the exposure area using this means. A cathode ray tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8030188U JPH021851U (en) | 1988-06-16 | 1988-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8030188U JPH021851U (en) | 1988-06-16 | 1988-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021851U true JPH021851U (en) | 1990-01-09 |
Family
ID=31305133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8030188U Pending JPH021851U (en) | 1988-06-16 | 1988-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021851U (en) |
-
1988
- 1988-06-16 JP JP8030188U patent/JPH021851U/ja active Pending