JPH0390066U - - Google Patents
Info
- Publication number
- JPH0390066U JPH0390066U JP15265889U JP15265889U JPH0390066U JP H0390066 U JPH0390066 U JP H0390066U JP 15265889 U JP15265889 U JP 15265889U JP 15265889 U JP15265889 U JP 15265889U JP H0390066 U JPH0390066 U JP H0390066U
- Authority
- JP
- Japan
- Prior art keywords
- light
- cover member
- introduction window
- receiving
- finger
- 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 3
- 238000002834 transmittance Methods 0.000 description 2
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
図面第１図はこの考案の実施例による受光装置
の断面図、第２図は同受光装置で用いられた受光
素子の平面図、第３図は同受光装置を用いた光透
過率計測装置の構成図、第４図および第５図は従
来の光透過率計測装置の構成図である。
４…カバー部材、５…光導入窓、６…受光素子
、１２…受光面。
Figure 1 is a sectional view of a light receiving device according to an embodiment of this invention, Figure 2 is a plan view of a light receiving element used in the same light receiving device, and Figure 3 is a diagram of a light transmittance measuring device using the same light receiving device. The configuration diagram, FIGS. 4 and 5, are configuration diagrams of a conventional light transmittance measuring device. 4... Cover member, 5... Light introduction window, 6... Light receiving element, 12... Light receiving surface.
Claims (1)
さと形状とからなる光導入窓を有するカバー部材
と、このカバー部材内に配置され、上記光導入窓
を通過した光束の断面積とほぼ等しい面積の受光
面を有する受光素子とを備えたことを特徴とする
受光装置。 A cover member having a light introduction window of a size and shape that is completely covered when a hand, finger, etc. is placed thereon; and a cover member disposed within the cover member that is approximately equal in cross-sectional area to the light beam passing through the light introduction window. 1. A light-receiving device comprising: a light-receiving element having a light-receiving surface of a certain area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15265889U JPH0390066U (en) | 1989-12-28 | 1989-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15265889U JPH0390066U (en) | 1989-12-28 | 1989-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0390066U true JPH0390066U (en) | 1991-09-13 |
Family
ID=31698911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15265889U Pending JPH0390066U (en) | 1989-12-28 | 1989-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0390066U (en) |
-
1989
- 1989-12-28 JP JP15265889U patent/JPH0390066U/ja active Pending