JPH0226414B2 - - Google Patents
Info
- Publication number
- JPH0226414B2 JPH0226414B2 JP12795680A JP12795680A JPH0226414B2 JP H0226414 B2 JPH0226414 B2 JP H0226414B2 JP 12795680 A JP12795680 A JP 12795680A JP 12795680 A JP12795680 A JP 12795680A JP H0226414 B2 JPH0226414 B2 JP H0226414B2
- Authority
- JP
- Japan
- Prior art keywords
- oscillation
- circuit
- oscillation circuit
- sensing
- sensing plate
- 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 72
- 239000003990 capacitor Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12795680A JPS5761226A (en) | 1980-09-17 | 1980-09-17 | Proximity switch device for automatic door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12795680A JPS5761226A (en) | 1980-09-17 | 1980-09-17 | Proximity switch device for automatic door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5761226A JPS5761226A (en) | 1982-04-13 |
| JPH0226414B2 true JPH0226414B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-06-11 |
Family
ID=14972806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12795680A Granted JPS5761226A (en) | 1980-09-17 | 1980-09-17 | Proximity switch device for automatic door |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5761226A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1980
- 1980-09-17 JP JP12795680A patent/JPS5761226A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5761226A (en) | 1982-04-13 |
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