JPS62121691U - - Google Patents
Info
- Publication number
- JPS62121691U JPS62121691U JP18608086U JP18608086U JPS62121691U JP S62121691 U JPS62121691 U JP S62121691U JP 18608086 U JP18608086 U JP 18608086U JP 18608086 U JP18608086 U JP 18608086U JP S62121691 U JPS62121691 U JP S62121691U
- Authority
- JP
- Japan
- Prior art keywords
- alarm device
- induced
- electric field
- wireless
- switch
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims 4
- 230000003213 activating effect Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Description
第１図は従来の無線式警報器の一例を示すブロ
ツク図、第２図は本考案を適用した無線式警報器
の一実施例を示す回路図、第３図は第２図に示す
誘導磁界発生器の概略外観図である。
１２…無線式盗難警報器、１３…検出部、１４
…受信部、１６…発振回路、１７…電池、１８…
水銀スイツチ、１９…リモートスイツチ回路、２
０…コイル、２１…コンデンサ、２２…並列共振
回路、２３…倍電圧検波回路、２８…トランジス
タ、２９…誘導磁界発生器、３１…スイープ発振
器、３４…コイル。
Fig. 1 is a block diagram showing an example of a conventional wireless alarm device, Fig. 2 is a circuit diagram showing an embodiment of a wireless alarm device to which the present invention is applied, and Fig. 3 is an induced magnetic field shown in Fig. 2. It is a schematic external view of a generator. 12... Wireless burglar alarm, 13... Detection unit, 14
...Receiving section, 16...Oscillation circuit, 17...Battery, 18...
Mercury switch, 19...Remote switch circuit, 2
0... Coil, 21... Capacitor, 22... Parallel resonant circuit, 23... Voltage doubler detection circuit, 28... Transistor, 29... Induced magnetic field generator, 31... Sweep oscillator, 34... Coil.
Claims (1)
、受信部への無線信号の送出・停止を制御するス
イツチと、該スイツチに応答して内蔵した電池で
該無線信号の送出を行うようにした無線式警報器
において、無線信号発生回路から発射される電磁
波に対して所定周波数の少なくとも誘導電界もし
くは誘導磁界のいずれかに応答すると共にその大
きさに相応する誘導起電力を取り出すためのＬ―
Ｃ並列共振回路を有する検出手段と、前記スイツ
チに接続され前記検出手段からの出力信号の所定
レベルに応答して作動するスイツチ用スイツチン
グ手段とが設けられ、前記検出手段に前記所定周
波数の少なくとも誘導電界もしくは誘導磁界のい
ずれかを与えることにより前記チエツク用スイツ
チング手段を作動させて前記警報器の正常動作の
チエツクを行うことを特徴とする無線式警報器。 ２ 前記検出手段が、印加された前記所定周波数
の少なくとも誘導電界もしくは誘導磁界のいずれ
かの大きさに相応した大きさの誘導起電力を検波
する検波手段をそなえている、実用新案登録請求
の範囲第１項記載の無線式警報器。 ３ 前記検波手段が倍電圧整流回路である、実用
新案登録請求の範囲第２項記載の無線式警報器。[Claims for Utility Model Registration] 1. A switch that is turned on and off according to predetermined detection information and controls sending and stopping of the wireless signal to the receiving section, and a built-in battery that responds to the switch to control the wireless signal. A wireless alarm device that transmits a signal responds to electromagnetic waves emitted from a wireless signal generation circuit by at least an induced electric field or an induced magnetic field of a predetermined frequency, and generates an induced electric field corresponding to the magnitude of the electromagnetic wave. L for extracting electricity
detecting means having a C parallel resonant circuit; switching means for a switch connected to said switch and actuated in response to a predetermined level of an output signal from said detecting means; A wireless alarm device characterized in that normal operation of the alarm device is checked by activating the checking switching means by applying either an electric field or an induced magnetic field. 2. The scope of the utility model registration claim, wherein the detection means includes detection means for detecting an induced electromotive force of a magnitude corresponding to at least the magnitude of either an induced electric field or an induced magnetic field of the applied predetermined frequency. The wireless alarm device described in paragraph 1. 3. The wireless alarm device according to claim 2, wherein the detection means is a voltage doubler rectifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18608086U JPS62121691U (en) | 1986-12-04 | 1986-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18608086U JPS62121691U (en) | 1986-12-04 | 1986-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62121691U true JPS62121691U (en) | 1987-08-01 |
Family
ID=31135311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18608086U Pending JPS62121691U (en) | 1986-12-04 | 1986-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62121691U (en) |
-
1986
- 1986-12-04 JP JP18608086U patent/JPS62121691U/ja active Pending
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