JPS57131127A - Proximity switch oscillating circuit - Google Patents
Proximity switch oscillating circuitInfo
- Publication number
- JPS57131127A JPS57131127A JP56017099A JP1709981A JPS57131127A JP S57131127 A JPS57131127 A JP S57131127A JP 56017099 A JP56017099 A JP 56017099A JP 1709981 A JP1709981 A JP 1709981A JP S57131127 A JPS57131127 A JP S57131127A
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- conductance
- resistance
- collector
- equal
- 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
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
- Geophysics And Detection Of Objects (AREA)
- Electronic Switches (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56017099A JPS57131127A (en) | 1981-02-06 | 1981-02-06 | Proximity switch oscillating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56017099A JPS57131127A (en) | 1981-02-06 | 1981-02-06 | Proximity switch oscillating circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57131127A true JPS57131127A (en) | 1982-08-13 |
JPH0226413B2 JPH0226413B2 (ja) | 1990-06-11 |
Family
ID=11934557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56017099A Granted JPS57131127A (en) | 1981-02-06 | 1981-02-06 | Proximity switch oscillating circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57131127A (ja) |
-
1981
- 1981-02-06 JP JP56017099A patent/JPS57131127A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0226413B2 (ja) | 1990-06-11 |
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