JPS5847955U - optical reader - Google Patents
optical readerInfo
- Publication number
- JPS5847955U JPS5847955U JP14224881U JP14224881U JPS5847955U JP S5847955 U JPS5847955 U JP S5847955U JP 14224881 U JP14224881 U JP 14224881U JP 14224881 U JP14224881 U JP 14224881U JP S5847955 U JPS5847955 U JP S5847955U
- Authority
- JP
- Japan
- Prior art keywords
- light
- frequency
- optical reader
- receiving element
- circuit
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を示す概略回路構成図、第
２図は同実施例の動作の概略説明図である。
３・・・発光ダイオード、４・・・被検出物、６・・・
バイパスフィルタ。FIG. 1 is a schematic circuit diagram showing an embodiment of this invention, and FIG. 2 is a schematic explanatory diagram of the operation of the embodiment. 3... Light emitting diode, 4... Object to be detected, 6...
Bypass filter.
Claims (1)
によって駆動されるドライブ回路と、このドライブ回路
からの出力信号に従って前記周波数で発光する発光素子
と、゛この発光素子から出力された変調光が被検出物を
介して入射される受光素子と、この受光素子から′出力
される電気信号のうち前記周波数の信号のみを通過する
フィルタ回路とを備えてなる光学的読取装置。an oscillation circuit, a drive circuit driven by a frequency signal output from the oscillation circuit, a light emitting element that emits light at the frequency according to the output signal from the drive circuit; An optical reading device comprising a light-receiving element that receives light incident through an object to be detected, and a filter circuit that passes only signals of the frequency among electrical signals output from the light-receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14224881U JPS5847955U (en) | 1981-09-25 | 1981-09-25 | optical reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14224881U JPS5847955U (en) | 1981-09-25 | 1981-09-25 | optical reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5847955U true JPS5847955U (en) | 1983-03-31 |
Family
ID=29935288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14224881U Pending JPS5847955U (en) | 1981-09-25 | 1981-09-25 | optical reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5847955U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5233426A (en) * | 1975-09-10 | 1977-03-14 | Hitachi Ltd | Mark read circuit |
-
1981
- 1981-09-25 JP JP14224881U patent/JPS5847955U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5233426A (en) * | 1975-09-10 | 1977-03-14 | Hitachi Ltd | Mark read circuit |
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