JPH0224638U - - Google Patents
Info
- Publication number
- JPH0224638U JPH0224638U JP10259488U JP10259488U JPH0224638U JP H0224638 U JPH0224638 U JP H0224638U JP 10259488 U JP10259488 U JP 10259488U JP 10259488 U JP10259488 U JP 10259488U JP H0224638 U JPH0224638 U JP H0224638U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- light receiving
- emitting element
- optical device
- receiving element
- 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 3
- 230000005856 abnormality Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は、この考案の好適な実施例を示した電
気回路図である。第２図は、第１図に示す発光素
子及び受光素子を配列した操作部の正面図である
。第３図は、第１図に示すタツチスイツチ部に入
力されるコード化信号の特性図である。第４図は
、第１図に示す制御手段が有するプログラムのフ
ローチヤートである。
１……制御手段、２……デマルチプレクサ、３
……負荷、４……タツチスイツチ部、４１ａ〜４
１ｐ……発光素子、４２ａ〜４２ｐ……受光素子
、４０……操作部、５……信号処理部。
FIG. 1 is an electrical circuit diagram showing a preferred embodiment of this invention. FIG. 2 is a front view of the operating section in which the light emitting elements and light receiving elements shown in FIG. 1 are arranged. FIG. 3 is a characteristic diagram of the coded signal input to the touch switch section shown in FIG. 1. FIG. 4 is a flowchart of a program included in the control means shown in FIG. 1... Control means, 2... Demultiplexer, 3
...Load, 4...Touch switch section, 41a-4
1p... Light emitting element, 42a to 42p... Light receiving element, 40... Operating unit, 5... Signal processing unit.
Claims (1)
遮断の検知に応じて出力を導出する光学装置に於
いて、前記発光素子に出力するコード化信号と前
記受光素子から出力する受信信号を比較して異常
を判断する制御手段を具備したことを特徴とする
光学装置。 In an optical device that derives an output in response to detection of conduction or interruption of an optical signal between a light emitting element and a light receiving element, a coded signal outputted to the light emitting element and a received signal outputted from the light receiving element are compared. What is claimed is: 1. An optical device comprising: a control means for determining an abnormality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10259488U JPH0224638U (en) | 1988-08-02 | 1988-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10259488U JPH0224638U (en) | 1988-08-02 | 1988-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0224638U true JPH0224638U (en) | 1990-02-19 |
Family
ID=31332643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10259488U Pending JPH0224638U (en) | 1988-08-02 | 1988-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224638U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5979343A (en) * | 1982-10-28 | 1984-05-08 | Nec Corp | Finger-touch input system |
-
1988
- 1988-08-02 JP JP10259488U patent/JPH0224638U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5979343A (en) * | 1982-10-28 | 1984-05-08 | Nec Corp | Finger-touch input system |
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