JPS60148692U

JPS60148692U - alarm device

Info

Publication number: JPS60148692U
Application number: JP3492684U
Authority: JP
Inventors: 村石　信一
Original assignee: 株式会社　タスク
Priority date: 1984-03-13
Filing date: 1984-03-13
Publication date: 1985-10-02

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はこの考案に係る警報装置を示すブロック図であ
り、第１図Ａは送信機１０のブロック図、第１図Ｂは、
受信機のブロック図である。１０：警報装置、１２：発振器、１４ａ、ｂ：増幅器、
１６ａ、−ｂ：アンテナ、１８．５８：蓄電池、２０，
４０：′電圧警報装置、２２，４２：電源電圧低下検出
器、２４，４４：ブザー／アラーム制御回路、２６：ブ
ザー、３０：送信機、３　　　　′２ａ、ｂ：アンテナ
、３３：周波数変換器、３　　　　　・４：混合検波器
、３６：中間波増幅器、３７：検波器、３８：信号検出
器、３９：プロツキラグ発振器、６０：アラーム音発生
器（警報機）。FIG. 1 is a block diagram showing an alarm device according to this invention, FIG. 1A is a block diagram of a transmitter 10, and FIG. 1B is a block diagram of a transmitter 10.
FIG. 2 is a block diagram of a receiver. 10: alarm device, 12: oscillator, 14a, b: amplifier,
16a, -b: antenna, 18.58: storage battery, 20,
40: Voltage alarm device, 22, 42: Power supply voltage drop detector, 24, 44: Buzzer/alarm control circuit, 26: Buzzer, 30: Transmitter, 3'2a, b: Antenna, 33: Frequency converter, 3/4: Mixed detector, 36: Intermediate wave amplifier, 37: Detector, 38: Signal detector, 39: Plocki lag oscillator, 60: Alarm sound generator (alarm device).

Claims

[Scope of utility model registration request]

(1) In a portable alarm device consisting of a transmitter that oscillates, amplifies, and transmits a carrier wave, and a receiver that includes a circuit that receives, amplifies, and detects the carrier wave, and a built-in alarm, the carrier wave oscillated by the transmitter is An alarm device characterized in that the frequency is approximately 2MF (z), two transmitting antennas are installed at right angles, and the receiver consists of a superhetero gain receiver.

(2) Claim 1 of the above-mentioned utility model registration, characterized in that the transmitting/receiving antenna of the alarm device according to the above-mentioned item 1 is constituted by a bar antenna, and is built into the transmitter and the receiver, respectively. Alarm device as described in section.

(3) The transmitter and receiver described in paragraph 1 each have their own rechargeable power source, and are further equipped with a voltage alarm device consisting of a power supply voltage drop detector, a control circuit, and an alarm. The alarm device according to claim 1 of the utility model registration claim.