JPH0139246B2 - - Google Patents
Info
- Publication number
- JPH0139246B2 JPH0139246B2 JP4280081A JP4280081A JPH0139246B2 JP H0139246 B2 JPH0139246 B2 JP H0139246B2 JP 4280081 A JP4280081 A JP 4280081A JP 4280081 A JP4280081 A JP 4280081A JP H0139246 B2 JPH0139246 B2 JP H0139246B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- oscillation
- amplitude
- current
- parallel resonant
- 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.)
- Expired
Links
- 230000010355 oscillation Effects 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 27
- 229910052751 metal Inorganic materials 0.000 description 27
- 230000000694 effects Effects 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 235000003332 Ilex aquifolium Nutrition 0.000 description 1
- 235000002296 Ilex sandwicensis Nutrition 0.000 description 1
- 235000002294 Ilex volkensiana Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
Landscapes
- Electronic Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4280081A JPS57157636A (en) | 1981-03-23 | 1981-03-23 | Proximity switch circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4280081A JPS57157636A (en) | 1981-03-23 | 1981-03-23 | Proximity switch circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57157636A JPS57157636A (en) | 1982-09-29 |
JPH0139246B2 true JPH0139246B2 (enrdf_load_html_response) | 1989-08-18 |
Family
ID=12646034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4280081A Granted JPS57157636A (en) | 1981-03-23 | 1981-03-23 | Proximity switch circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57157636A (enrdf_load_html_response) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6135620A (ja) * | 1984-07-27 | 1986-02-20 | Omron Tateisi Electronics Co | 近接スイツチ |
JPS6320914A (ja) * | 1986-07-15 | 1988-01-28 | Keyence Corp | 近接スイツチ |
JPH0746984Y2 (ja) * | 1993-07-01 | 1995-10-25 | 富士電機株式会社 | 近接スイッチ |
-
1981
- 1981-03-23 JP JP4280081A patent/JPS57157636A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57157636A (en) | 1982-09-29 |
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