JPS62178884U

JPS62178884U -

Info

Publication number: JPS62178884U
Application number: JP6857086U
Authority: JP
Priority date: 1986-05-07
Filing date: 1986-05-07
Publication date: 1987-11-13

Description

[Brief explanation of the drawing]

図面は本考案に係る鳥獣害防止装置の実施例を
示し、第１図はそのブロツク回路図、第２図は他
の実施例のホーンの配置図である。符号１はマイクロ波発信器、３，１１，１２は
ホーン、４はマイクロ波受信器、５はドツプラシ
フト検出回路、６は比較回路、７は基準信号出力
回路、８は超音波発信器、９はスピーカ、１０は
外光検出器である。 The drawings show an embodiment of the bird and beast damage prevention device according to the present invention, and FIG. 1 is a block circuit diagram thereof, and FIG. 2 is a horn arrangement diagram of another embodiment. 1 is a microwave transmitter, 3, 11, and 12 are horns, 4 is a microwave receiver, 5 is a Doppler shift detection circuit, 6 is a comparison circuit, 7 is a reference signal output circuit, 8 is an ultrasonic transmitter, and 9 is a A speaker and 10 are external light detectors.

Claims

[Claims for Utility Model Registration] 1. A means for emitting microwaves and detecting the movement of birds and animals from the reflected waves or arriving waves, and a means for emitting sound waves having a frequency disliked by birds and animals based on the output of the detection means. A bird and animal damage prevention device characterized by comprising: 2. The bird and beast damage prevention device according to claim 1, wherein the bird and beast detection means is based on the Doppler method. 3. The bird and beast damage prevention device according to claim 1, wherein the bird and beast detection means is a span method. 4. The bird and beast damage prevention device according to claim 1, wherein the operation of the bird and beast detection means is stopped at night by means of an external light detection means.