JPS582734U - signal detection circuit device - Google Patents
signal detection circuit deviceInfo
- Publication number
- JPS582734U JPS582734U JP9397581U JP9397581U JPS582734U JP S582734 U JPS582734 U JP S582734U JP 9397581 U JP9397581 U JP 9397581U JP 9397581 U JP9397581 U JP 9397581U JP S582734 U JPS582734 U JP S582734U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- resonant
- circuit
- signal detection
- circuit device
- 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
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図ａｘｄは従来の信号検出回路の構成及びその信号
検出の原理を説明するのに示した信号波形図、第２図は
第１図ａの回路を等価的に示す図、第３図ａ、 ｂは
針を示す図ζ第４図はこの考案の一実施例を示す図、第
５図は第４図の回路を等価的におきかえて示す図である
。
１１・・・発振器、１２・・・共振回路、３ｏ・・・放
電抵控、３１・・・検波回路。Figure 1axd is a signal waveform diagram shown to explain the configuration of a conventional signal detection circuit and the principle of signal detection, Figure 2 is an equivalent diagram of the circuit in Figure 1a, Figure 3a , b is a diagram showing the needle, ζ FIG. 4 is a diagram showing an embodiment of this invention, and FIG. 5 is a diagram equivalently replacing the circuit of FIG. 4. 11... Oscillator, 12... Resonant circuit, 3o... Discharge resistor, 31... Detection circuit.
Claims (1)
に応じて容量値が変化する容量によって共振周波数特性
が可変される共振回路と、この共振回路の共振出力に誘
導結合され、入力した信号を検波して出力する検波回路
とを具備した信号検出回路装置において、前記容量と並
列になるように放電抵抗を接続したことを特徴とする信
号検出回路装置。A resonant circuit that is inductively coupled to the output of the oscillation circuit and whose resonant frequency characteristics are varied by a capacitor whose capacitance value changes depending on the signal from the pickup section, and a resonant circuit that is inductively coupled to the resonant output of this resonant circuit to detect the input signal. What is claimed is: 1. A signal detection circuit device comprising a detection circuit for outputting a waveform with a discharge resistor connected in parallel with the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9397581U JPS582734U (en) | 1981-06-25 | 1981-06-25 | signal detection circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9397581U JPS582734U (en) | 1981-06-25 | 1981-06-25 | signal detection circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS582734U true JPS582734U (en) | 1983-01-08 |
Family
ID=29888927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9397581U Pending JPS582734U (en) | 1981-06-25 | 1981-06-25 | signal detection circuit device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582734U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5674840A (en) * | 1979-11-22 | 1981-06-20 | Hitachi Ltd | Pickup arm |
-
1981
- 1981-06-25 JP JP9397581U patent/JPS582734U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5674840A (en) * | 1979-11-22 | 1981-06-20 | Hitachi Ltd | Pickup arm |
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