JPS5980896U

JPS5980896U - wireless security system

Info

Publication number: JPS5980896U
Application number: JP1982172503U
Authority: JP
Inventors: 邦治竪月; 安彦　利夫; 昌行松尾
Original assignee: セコム株式会社
Priority date: 1982-11-15
Filing date: 1982-11-15
Publication date: 1984-05-31

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図は従来のワイヤレスセキュリティシステムのブロ
ック回路図、第２図は本考案の一実施例のブロック回路
図、第３図は同上の受信器の回路図、第４図は本考案の
一実施例の要部回路図、第５図は同上の特性図、第６図
は同上の他の実施例の要部回路図、第７図は同上の特性
図、第８図乃至第１１図はぞれぞれ同上の別の実施例の
要部回路図である。１・・・・・・装器、２・・・・・・送信器、３・・・
・・・受信器、５ａ、、　５ｂ、　５ｃｍ−−−−−子
器、５ａ、　５ｂ、　５ｃｍ−−−−−受信器、７ａ、
　７ｂ、　７ｃ・・・・・・送信器、９・・・・・・ゲ
インコントロール回路、１０・・ｅ・・尋ケインコント
ロール回路。ＣＩＩＩ）１　　　　−−ンＡ　　　−ｈ−１ぎ眞；丁
第４図　　　　　　　　ｔｆ”１ｆｆｆ士ｔｔ士、　　
　　　　　　　　　　　　　ｊ４　　＋−−−□−／−
１′″Ｌ−Ｊ　　６４　ｂｓFigure 1 is a block circuit diagram of a conventional wireless security system, Figure 2 is a block circuit diagram of an embodiment of the present invention, Figure 3 is a circuit diagram of the same receiver, and Figure 4 is an implementation of the present invention. The main part circuit diagram of the example, Fig. 5 is the characteristic diagram of the same as above, Fig. 6 is the main part circuit diagram of another embodiment same as the above, Fig. 7 is the characteristic diagram of the same as above, and Figs. 8 to 11 are FIG. 6 is a main part circuit diagram of another embodiment same as the above. 1...Equipment, 2...Transmitter, 3...
...Receiver, 5a, 5b, 5cm----Slave device, 5a, 5b, 5cm---Receiver, 7a,
7b, 7c...Transmitter, 9...Gain control circuit, 10...e...Kane control circuit. CIII) 1--A-h-1gishin; D Figure 4 tf"1fffshittshi,
j4 +−−−□−/−
1'''L-J 64 bs

Claims

[Scope of utility model registration request]

In a wireless security system consisting of a device that transmits control signals to slave devices and receives slave device information, and a plurality of slave devices that receive control signals from the devices and transmit warning information etc. to the devices, A wireless security system comprising a gain control circuit that reduces at least one of the transmission output of a transmitter of a device or the reception sensitivity of a receiver to a certain level during daily inspection.