JPH0139247B2 - - Google Patents
Info
- Publication number
- JPH0139247B2 JPH0139247B2 JP8462181A JP8462181A JPH0139247B2 JP H0139247 B2 JPH0139247 B2 JP H0139247B2 JP 8462181 A JP8462181 A JP 8462181A JP 8462181 A JP8462181 A JP 8462181A JP H0139247 B2 JPH0139247 B2 JP H0139247B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- current
- oscillation
- transistor
- amplitude
- 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
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
- H03K17/95—Proximity switches using a magnetic detector
- H03K17/952—Proximity switches using a magnetic detector using inductive coils
- H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
- H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
- H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude
Landscapes
- Electronic Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8462181A JPS57199332A (en) | 1981-06-02 | 1981-06-02 | Proximity switch circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8462181A JPS57199332A (en) | 1981-06-02 | 1981-06-02 | Proximity switch circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57199332A JPS57199332A (en) | 1982-12-07 |
JPH0139247B2 true JPH0139247B2 (enrdf_load_html_response) | 1989-08-18 |
Family
ID=13835749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8462181A Granted JPS57199332A (en) | 1981-06-02 | 1981-06-02 | Proximity switch circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57199332A (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 |
JP2508623B2 (ja) * | 1985-02-28 | 1996-06-19 | オムロン株式会社 | 近接スイツチ |
DE3519714A1 (de) * | 1985-06-01 | 1986-12-04 | Ifm Electronic Gmbh, 4300 Essen | Elektronisches, beruehrungslos arbeitendes schaltgeraet |
-
1981
- 1981-06-02 JP JP8462181A patent/JPS57199332A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57199332A (en) | 1982-12-07 |