JPS62184484U - - Google Patents
Info
- Publication number
- JPS62184484U JPS62184484U JP7251386U JP7251386U JPS62184484U JP S62184484 U JPS62184484 U JP S62184484U JP 7251386 U JP7251386 U JP 7251386U JP 7251386 U JP7251386 U JP 7251386U JP S62184484 U JPS62184484 U JP S62184484U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- metal
- oscillation circuit
- metal object
- detection indicator
- 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
- 239000002184 metal Substances 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
図面は本考案の一実施例に係り、第１図はプリ
ント基板部とコイルを一体的に構成したことを示
す側面図、第２図はその正面図である。第３図は
金属センサの電気回路図、第４図は上方からの傾
斜外観図、第５図は下方からの傾斜外観図である
。
１……プリント基板、１１……ケース、１００
……インダクタンス変化感知増幅回路、１０１…
…圧電ブザー作動回路、Ｌ……コイル、ＢＺ……
圧電ブザー。
The drawings relate to an embodiment of the present invention; FIG. 1 is a side view showing that a printed circuit board part and a coil are integrated, and FIG. 2 is a front view thereof. FIG. 3 is an electric circuit diagram of the metal sensor, FIG. 4 is an external view viewed from above, and FIG. 5 is an external view viewed from below. 1...Printed circuit board, 11...Case, 100
...Inductance change sensing amplifier circuit, 101...
...Piezoelectric buzzer operating circuit, L...coil, BZ...
piezoelectric buzzer.
Claims (1)
コイルが近接したときに同コイル及び同コイルに
接続されたコンデンサを発振回路素子とする発振
回路から、前記コイルと金属体との近接度合に対
応した電圧を出力させることにより金属探知表示
器を作動させて前記金属体の存在を表示させるた
めの金属センサであつて、前記コイルを、前記発
振回路及び金属探知表示器を含めた電気回路部を
形成するプリント基板面に偏平状に一体的に形成
したことを特徴とする金属センサ。 When a coil comes close to a metal object buried in a wall, ceiling, floor, road, etc., the degree of proximity between the coil and the metal object is calculated from an oscillation circuit whose oscillation circuit elements are the coil and the capacitor connected to the coil. A metal sensor for displaying the presence of the metal object by activating a metal detection indicator by outputting a voltage corresponding to the coil, the coil being connected to an electric circuit including the oscillation circuit and the metal detection indicator. A metal sensor characterized by being integrally formed in a flat shape on a printed circuit board surface forming a part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7251386U JPS62184484U (en) | 1986-05-14 | 1986-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7251386U JPS62184484U (en) | 1986-05-14 | 1986-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62184484U true JPS62184484U (en) | 1987-11-24 |
Family
ID=30916027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7251386U Pending JPS62184484U (en) | 1986-05-14 | 1986-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62184484U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5114364A (en) * | 1974-07-26 | 1976-02-04 | Nishimaru Toshimi | Maisetsubutsuno ichitono sokuteihohooyobi sochi |
-
1986
- 1986-05-14 JP JP7251386U patent/JPS62184484U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5114364A (en) * | 1974-07-26 | 1976-02-04 | Nishimaru Toshimi | Maisetsubutsuno ichitono sokuteihohooyobi sochi |