JPH0186327U - - Google Patents
Info
- Publication number
- JPH0186327U JPH0186327U JP18175287U JP18175287U JPH0186327U JP H0186327 U JPH0186327 U JP H0186327U JP 18175287 U JP18175287 U JP 18175287U JP 18175287 U JP18175287 U JP 18175287U JP H0186327 U JPH0186327 U JP H0186327U
- Authority
- JP
- Japan
- Prior art keywords
- digital value
- oscillation
- oscillation circuit
- outputting
- detected
- 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
- 230000010355 oscillation Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示したものである
。
図中、１は検出用電極、２は第１の発振回路、
３は第２の発振回路、４は第１のスイツチ、５は
第２のスイツチ、６は制御回路、７はタイマ、８
はカウンタ（計数手段）、９は演算回路（演算手
段）、１０は対地静電容量、１１はコンデンサで
ある。
FIG. 1 shows an embodiment of the present invention. In the figure, 1 is a detection electrode, 2 is a first oscillation circuit,
3 is a second oscillation circuit, 4 is a first switch, 5 is a second switch, 6 is a control circuit, 7 is a timer, 8
9 is a counter (counting means), 9 is an arithmetic circuit (arithmetic means), 10 is a ground capacitance, and 11 is a capacitor.
Claims (1)
出用電極を発振要素とした第１の発振回路と、設
定周波数で発振するように構成された第２の発振
回路と、前記第１及び第２の発振回路の各発振出
力信号数を個別に計数して各計数値をそれぞれ検
出デジタル値及び基準デジタル値として出力する
計数手段と、この計数手段からの検出デジタル値
及び基準デジタル値の関係が所定の状態となつた
ときに検出信号を出力する演算手段とを備えたこ
とを特徴とする静電容量形近接スイツチ。 a first oscillation circuit whose oscillation element is a detection electrode whose capacitance changes with the proximity of a detected object; a second oscillation circuit configured to oscillate at a set frequency; and the first and second oscillation circuits. A counting means for individually counting the number of oscillation output signals of the oscillation circuit and outputting each count value as a detected digital value and a reference digital value, respectively, and a relationship between the detected digital value and the reference digital value from this counting means is predetermined. A capacitance type proximity switch characterized by comprising: arithmetic means for outputting a detection signal when the state is reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18175287U JPH0186327U (en) | 1987-11-27 | 1987-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18175287U JPH0186327U (en) | 1987-11-27 | 1987-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186327U true JPH0186327U (en) | 1989-06-07 |
Family
ID=31473226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18175287U Pending JPH0186327U (en) | 1987-11-27 | 1987-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186327U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130116580A (en) * | 2012-04-16 | 2013-10-24 | 사이레고 테크놀로지 인코포레이티드 | Capacitive coupling based sensor |
| JP2013239237A (en) * | 2011-03-25 | 2013-11-28 | Silego Technology Inc | Capacitive coupling sensor |
| WO2019155736A1 (en) * | 2018-02-09 | 2019-08-15 | アルプスアルパイン株式会社 | Input device, control method thereof, and program |
-
1987
- 1987-11-27 JP JP18175287U patent/JPH0186327U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013239237A (en) * | 2011-03-25 | 2013-11-28 | Silego Technology Inc | Capacitive coupling sensor |
| KR20130116580A (en) * | 2012-04-16 | 2013-10-24 | 사이레고 테크놀로지 인코포레이티드 | Capacitive coupling based sensor |
| WO2019155736A1 (en) * | 2018-02-09 | 2019-08-15 | アルプスアルパイン株式会社 | Input device, control method thereof, and program |
| JPWO2019155736A1 (en) * | 2018-02-09 | 2020-10-01 | アルプスアルパイン株式会社 | Input device and its control method and program |
| US11644925B2 (en) | 2018-02-09 | 2023-05-09 | Alps Alpine Co., Ltd. | Input apparatus, method for controlling the same, and program |