JPS63151105U - - Google Patents
Info
- Publication number
- JPS63151105U JPS63151105U JP4651487U JP4651487U JPS63151105U JP S63151105 U JPS63151105 U JP S63151105U JP 4651487 U JP4651487 U JP 4651487U JP 4651487 U JP4651487 U JP 4651487U JP S63151105 U JPS63151105 U JP S63151105U
- Authority
- JP
- Japan
- Prior art keywords
- irradiation field
- laser light
- light
- projection
- raster scan
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
- X-Ray Techniques (AREA)
Description
第１図は本考案の１実施例を示した構成ブロツ
ク図、第２図は本考案によるラスタスキヤン走査
態様例示図である。
５と６は受光手段、７はレーザ光源、８はマス
ク、９は投光開口部、１０と１１はカウンタ、１
２は発振回路、１３と１４はコンパレータ、１７
は論理和回路である。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a diagram illustrating a raster scan mode according to the present invention. 5 and 6 are light receiving means, 7 is a laser light source, 8 is a mask, 9 is a light emitting aperture, 10 and 11 are counters, 1
2 is an oscillation circuit, 13 and 14 are comparators, 17
is an OR circuit.
Claims (1)
照射野を設定する照射野投光装置において、照射
野外の左側又は右側の位置に及び上方又は下方位
置に配置された受光手段と、いずれの受光手段も
一定時間内に受光出力しない場合にはレーザ投光
をしや断するようにした安全手段とを具有してい
ることを特徴とする、照射野投光装置。 In an irradiation field projection device that sets an irradiation field by emitting laser light using a raster scan method, a light receiving means disposed at a position on the left or right side of the irradiation field and at an upper or lower position; 1. An irradiation field projecting device, comprising a safety means for cutting off laser light projection if no light is received and output within a certain period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4651487U JPS63151105U (en) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4651487U JPS63151105U (en) | 1987-03-27 | 1987-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63151105U true JPS63151105U (en) | 1988-10-04 |
Family
ID=30866244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4651487U Pending JPS63151105U (en) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63151105U (en) |
-
1987
- 1987-03-27 JP JP4651487U patent/JPS63151105U/ja active Pending
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