JPS6160189U - - Google Patents
Info
- Publication number
- JPS6160189U JPS6160189U JP11848085U JP11848085U JPS6160189U JP S6160189 U JPS6160189 U JP S6160189U JP 11848085 U JP11848085 U JP 11848085U JP 11848085 U JP11848085 U JP 11848085U JP S6160189 U JPS6160189 U JP S6160189U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- storage device
- light source
- output
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図は自動的に基準電圧を調整する本考案の
検出装置の一実施例を示す。第２図は本考案の検
出装置の増巾器の利得を増減して基準電圧を設定
し得る実施例を示す。第３図は本考案の検出装置
の増巾器の利得を制御して基準電圧を低く設定す
る実施例を示す。
図において、２：発光ダイオード、４：フオト
トランジスタ、８：コンデンサ、１２：比較器。
FIG. 1 shows an embodiment of the detection device of the present invention that automatically adjusts the reference voltage. FIG. 2 shows an embodiment in which the reference voltage can be set by increasing or decreasing the gain of the amplifier of the detection device of the present invention. FIG. 3 shows an embodiment in which the reference voltage is set low by controlling the gain of the amplifier of the detection device of the present invention. In the figure, 2: light emitting diode, 4: phototransistor, 8: capacitor, 12: comparator.
Claims (1)
応じた電気信号を出力する感知器と、 前記感知器の出力レベルを記憶する記憶装置で
あつて、前記光源と前記感知器の間の所定位置に
検出物体が配置される直前の感知器出力レベルを
保持する記憶装置と、 前記感知器の出力と前記記憶装置の出力とを比
較する比較装置と、 から構成される物体検出装置。 (2) 前記記憶装置がコンデンサから成る実用新
案登録請求の範囲第１項記載の物体検出装置。[Claims for Utility Model Registration] (1) A light source; a sensor that responds to light from the light source and outputs an electrical signal according to the level of the received light; and a storage device that stores the output level of the sensor. a storage device that holds the sensor output level immediately before the detection object is placed at a predetermined position between the light source and the sensor; and a comparison device that compares the output of the sensor with the output of the storage device. An object detection device consisting of and. (2) The object detection device according to claim 1, wherein the storage device is a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985118480U JPS6222856Y2 (en) | 1985-08-01 | 1985-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985118480U JPS6222856Y2 (en) | 1985-08-01 | 1985-08-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6160189U true JPS6160189U (en) | 1986-04-23 |
| JPS6222856Y2 JPS6222856Y2 (en) | 1987-06-10 |
Family
ID=30677368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985118480U Expired JPS6222856Y2 (en) | 1985-08-01 | 1985-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6222856Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6338495A (en) * | 1986-07-31 | 1988-02-19 | ジューキ株式会社 | Cloth thickness detector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48113459U (en) * | 1972-03-31 | 1973-12-25 | ||
| JPS5049168U (en) * | 1973-08-31 | 1975-05-14 |
-
1985
- 1985-08-01 JP JP1985118480U patent/JPS6222856Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48113459U (en) * | 1972-03-31 | 1973-12-25 | ||
| JPS5049168U (en) * | 1973-08-31 | 1975-05-14 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6338495A (en) * | 1986-07-31 | 1988-02-19 | ジューキ株式会社 | Cloth thickness detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6222856Y2 (en) | 1987-06-10 |