JPS633002U - - Google Patents
Info
- Publication number
- JPS633002U JPS633002U JP9705186U JP9705186U JPS633002U JP S633002 U JPS633002 U JP S633002U JP 9705186 U JP9705186 U JP 9705186U JP 9705186 U JP9705186 U JP 9705186U JP S633002 U JPS633002 U JP S633002U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- light
- visible light
- covered
- filter device
- 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
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Blocking Light For Cameras (AREA)
Description
第１図はこの考案にかかるフイルタ装置の１実
施例の使用例をあらわす斜視図、第２図はその第
１の実施例の側断面図、第３図はその第２の実施
例の側断面図、第４図はその第３の実施例の側断
面図、第５図は可視光線除去フイルタとカラーフ
イルタの光線の透過率特性をあらわすグラフ、第
６図は従来のフイルタ装置の側断面図である。
１……受光装置、２……透光面、１０，２０，
３０……フイルタ装置、３，１１，２１，３１…
…可視光線除去フイルタ、１２，２２，３２……
カラーフイルタ、１１ａ，２２ａ，３２ａ……底
、１１ｂ，２１ｂ，３１ｂ……側面、Ｃ……天井
面（取付面）、Ｌ……照明器具（負荷）。
Fig. 1 is a perspective view showing an example of the use of one embodiment of the filter device according to the invention, Fig. 2 is a side sectional view of the first embodiment, and Fig. 3 is a side sectional view of the second embodiment. 4 is a side sectional view of the third embodiment, FIG. 5 is a graph showing the light transmittance characteristics of a visible light removal filter and a color filter, and FIG. 6 is a side sectional view of a conventional filter device. It is. 1... Light receiving device, 2... Transparent surface, 10, 20,
30... Filter device, 3, 11, 21, 31...
...Visible light removal filter, 12, 22, 32...
Color filter, 11a, 22a, 32a... bottom, 11b, 21b, 31b... side surface, C... ceiling surface (mounting surface), L... lighting fixture (load).
Claims (1)
荷を動作させる受光装置の前記赤外線信号の透光
面前面を覆い、可視光線を除去するフイルタ装置
であつて、底を有する筒状の可視光線除去フイル
タを備え、この可視光線除去フイルタが伏せられ
るようにして前記透光面を覆うようになつていて
、前記筒の少なくとも側方の一部を残して前記受
光装置の取付面とほぼ同色のカラーフイルタで覆
われていることを特徴とするフイルタ装置。 A filter device that removes visible light by covering the front surface of the light-transmitting surface of the infrared signal of a light receiving device that operates a load corresponding to the signal when receiving an infrared signal, the filter device comprising a cylindrical visible light removal filter having a bottom. The visible light removal filter is placed face down to cover the light-transmitting surface, and at least a lateral portion of the tube is covered with a color filter having substantially the same color as the mounting surface of the light receiving device. A filter device characterized in that it is covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9705186U JPS633002U (en) | 1986-06-25 | 1986-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9705186U JPS633002U (en) | 1986-06-25 | 1986-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS633002U true JPS633002U (en) | 1988-01-09 |
Family
ID=30963570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9705186U Pending JPS633002U (en) | 1986-06-25 | 1986-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633002U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4871823A (en) * | 1971-12-27 | 1973-09-28 | ||
| JPS5725738A (en) * | 1980-07-23 | 1982-02-10 | Toshiba Electric Equip Corp | Illuminating device |
-
1986
- 1986-06-25 JP JP9705186U patent/JPS633002U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4871823A (en) * | 1971-12-27 | 1973-09-28 | ||
| JPS5725738A (en) * | 1980-07-23 | 1982-02-10 | Toshiba Electric Equip Corp | Illuminating device |