JPS5828378U

JPS5828378U - anti-theft device

Info

Publication number: JPS5828378U
Application number: JP11994481U
Authority: JP
Inventors: 謙一高木
Original assignee: クラリオン株式会社
Priority date: 1981-08-14
Filing date: 1981-08-14
Publication date: 1983-02-23

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

[Brief explanation of drawings]

第１図は本考案たる盗難防止装置の一実施例を示す回路
図、第２図は同じく結線図である。１・・・トランジスタ、２・・・ブザ、３・・・バイア
ス抵抗、４・・・トランジスタ、５・・・バッテリ、６
・・・音響機器、・・・バックアップ用電源端子、８ａ
・・・リード線、８ｂ・・・リード線、８ｃ・・・バッ
テリ線、９・・・負荷抵抗、１０・・・バイアス抵抗、
１１・・・通常電流。FIG. 1 is a circuit diagram showing an embodiment of the anti-theft device according to the present invention, and FIG. 2 is a similar wiring diagram. 1... Transistor, 2... Buzzer, 3... Bias resistor, 4... Transistor, 5... Battery, 6
...Audio equipment, ...backup power terminal, 8a
...Lead wire, 8b...Lead wire, 8c...Battery wire, 9...Load resistance, 10...Bias resistance,
11... Normal current.

Claims

[Scope of utility model registration request]

(1) In a transistor circuit having a circuit configuration in which two emitter-grounded circuits are connected, the lead wire from the backup power supply terminal of the audio equipment is connected to the collector of the second circuit, and the collector output of this circuit is connected to the collector of the second circuit. It is connected to the base of the first circuit, and the lead wire from the battery terminal and the backup power supply terminal is connected to the collector output of the first circuit through an alarm element serving as a load resistance. An anti-theft device featuring:

(2) The anti-theft device according to claim 1, in which a buzzer is connected as an alarm element serving as a load resistance.