JPS6262399U - - Google Patents
Info
- Publication number
- JPS6262399U JPS6262399U JP15271585U JP15271585U JPS6262399U JP S6262399 U JPS6262399 U JP S6262399U JP 15271585 U JP15271585 U JP 15271585U JP 15271585 U JP15271585 U JP 15271585U JP S6262399 U JPS6262399 U JP S6262399U
- Authority
- JP
- Japan
- Prior art keywords
- built
- output section
- radio waves
- positive voltage
- circuit
- 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
- 230000003321 amplification Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Description
第１図は本考案実施例の手荷物遺失、盗難防止
用警報装置の送信部の回路図、第２図は同受信機
のブロツク図、第３図は同受信機の要部の回路図
である。
１：手荷物遺失、盗難防止用警報装置、２：発
信器、３：受信機、５：水晶振動子、１１：発信
回路、１２：アンテナ、１４：電池、１８：検波
回路（検波）、１９：受信回路、２０：電子ブザ
ー（警報器）、２１：直流増巾回路、２３：出力
部。
Figure 1 is a circuit diagram of the transmitter of the alarm device for preventing lost luggage and theft according to an embodiment of the present invention, Figure 2 is a block diagram of the receiver, and Figure 3 is a circuit diagram of the main parts of the receiver. . 1: Lost baggage/theft prevention alarm device, 2: Transmitter, 3: Receiver, 5: Crystal oscillator, 11: Transmission circuit, 12: Antenna, 14: Battery, 18: Detection circuit (detection), 19: Receiving circuit, 20: Electronic buzzer (alarm), 21: DC amplification circuit, 23: Output section.
Claims (1)
させる発信器を水晶振動子を用いた発信回路にア
ンテナを設けて形成し、前記電波を受信する受信
機が同電波を検波したとき出力部がプラス電圧に
なる受信回路を備え、しかも該出力部がプラス電
圧にならないときは内蔵した警報器を作動させる
直流増巾回路を備えていることを特徴とする手荷
物遺失、盗難防止装置。 A transmitter that has a built-in battery and emits weak radio waves of a constant frequency is formed by installing an antenna on a transmitting circuit using a crystal oscillator, and when a receiver detects the radio waves, the output section A device for preventing theft and loss of baggage, characterized in that it is equipped with a receiving circuit that generates a positive voltage, and further includes a DC amplification circuit that activates a built-in alarm when the output section does not receive a positive voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15271585U JPS6262399U (en) | 1985-10-05 | 1985-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15271585U JPS6262399U (en) | 1985-10-05 | 1985-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6262399U true JPS6262399U (en) | 1987-04-17 |
Family
ID=31070941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15271585U Pending JPS6262399U (en) | 1985-10-05 | 1985-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6262399U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645997B2 (en) * | 1978-11-09 | 1981-10-30 | ||
| JPS56159897A (en) * | 1980-05-12 | 1981-12-09 | Seiko Epson Corp | Read-only memory |
| JPS5769391A (en) * | 1980-10-13 | 1982-04-28 | Sekoh Giken Kk | Device for warning forget or theft |
-
1985
- 1985-10-05 JP JP15271585U patent/JPS6262399U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645997B2 (en) * | 1978-11-09 | 1981-10-30 | ||
| JPS56159897A (en) * | 1980-05-12 | 1981-12-09 | Seiko Epson Corp | Read-only memory |
| JPS5769391A (en) * | 1980-10-13 | 1982-04-28 | Sekoh Giken Kk | Device for warning forget or theft |
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