JPS6265622U - - Google Patents
Info
- Publication number
- JPS6265622U JPS6265622U JP15753985U JP15753985U JPS6265622U JP S6265622 U JPS6265622 U JP S6265622U JP 15753985 U JP15753985 U JP 15753985U JP 15753985 U JP15753985 U JP 15753985U JP S6265622 U JPS6265622 U JP S6265622U
- Authority
- JP
- Japan
- Prior art keywords
- neutral density
- density filter
- filter
- laser beam
- light
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000002560 therapeutic procedure Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims 5
- 238000005562 fading Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 230000000638 stimulation Effects 0.000 description 1
Landscapes
- Radiation-Therapy Devices (AREA)
Description
第１図はこの考案の一実施例を示す筒略側面図
、第２図は光刺激治療装置における出力調整装置
を図解する筒略斜視図、第３図は第２図の―
線に沿う断面図である。
１…減光フイルタ、３，４…光学レンズ系。
Fig. 1 is a schematic side view of the cylinder showing an embodiment of this invention, Fig. 2 is a schematic perspective view of the cylinder illustrating the output adjustment device in the optical stimulation therapy device, and Fig. 3 is the same as that shown in Fig. 2.
It is a sectional view along a line. 1...Dimension filter, 3, 4...Optical lens system.
Claims (1)
光の度合いが変化する減光フイルタ１自体を移動
させ、これによつて射出ビームの光量を調節する
ようにされた光刺激治療装置の出力調整装置にお
いて、前記減光フイルタに対するレーザビームの
入射径路に前記レーザ光ビームの直径を拡大する
光学レンズ系３を配設すると共に射出径路に上記
直径を縮小する光学レンズ系４を配設し、これに
よつて前記レーザ光ビームの光束密度を前記減光
フイルタを通過するときだけ低下させるように構
成したことを特徴とする、減光フイルタの退色防
止装置。 ２ 前記減光フイルタが吸収減光フイルタである
ことを特徴とする実用新案登録請求の範囲第１項
記載の減光フイルタの退色防止装置。[Claims for Utility Model Registration] 1 The light intensity of the emitted beam is adjusted by moving the light attenuation filter 1 itself, whose degree of light attenuation changes depending on the incident position of the laser light beam 5. In the output adjustment device for a photostimulation therapy device, an optical lens system 3 for enlarging the diameter of the laser beam is disposed on an incident path of the laser beam to the attenuation filter, and an optical lens for reducing the diameter on the exit path. A fading prevention device for a neutral density filter, characterized in that a system 4 is provided to reduce the luminous flux density of the laser beam only when passing through the neutral density filter. 2. The fading prevention device for a neutral density filter according to claim 1, wherein the neutral density filter is an absorption neutral density filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15753985U JPS6265622U (en) | 1985-10-15 | 1985-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15753985U JPS6265622U (en) | 1985-10-15 | 1985-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6265622U true JPS6265622U (en) | 1987-04-23 |
Family
ID=31080182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15753985U Pending JPS6265622U (en) | 1985-10-15 | 1985-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6265622U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5713408A (en) * | 1980-06-26 | 1982-01-23 | Fujitsu Ltd | Optical attenuator |
| JPS579906B2 (en) * | 1975-06-23 | 1982-02-24 |
-
1985
- 1985-10-15 JP JP15753985U patent/JPS6265622U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579906B2 (en) * | 1975-06-23 | 1982-02-24 | ||
| JPS5713408A (en) * | 1980-06-26 | 1982-01-23 | Fujitsu Ltd | Optical attenuator |