JPH06233644A - Method for controlling bird and beast injury using laser light - Google Patents
Method for controlling bird and beast injury using laser lightInfo
- Publication number
- JPH06233644A JPH06233644A JP34872292A JP34872292A JPH06233644A JP H06233644 A JPH06233644 A JP H06233644A JP 34872292 A JP34872292 A JP 34872292A JP 34872292 A JP34872292 A JP 34872292A JP H06233644 A JPH06233644 A JP H06233644A
- Authority
- JP
- Japan
- Prior art keywords
- laser light
- birds
- bird
- beast
- injury
- 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
- 230000006378 damage Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 9
- 208000027418 Wounds and injury Diseases 0.000 title abstract 3
- 208000014674 injury Diseases 0.000 title abstract 3
- 241001465754 Metazoa Species 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 12
- 210000000056 organ Anatomy 0.000 abstract 1
- 230000004936 stimulating effect Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 241000271566 Aves Species 0.000 description 31
- 241000272184 Falconiformes Species 0.000 description 4
- 210000004087 cornea Anatomy 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 4
- 241000272201 Columbiformes Species 0.000 description 3
- 241001137251 Corvidae Species 0.000 description 3
- 235000004522 Pentaglottis sempervirens Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 206010052804 Drug tolerance Diseases 0.000 description 1
- 206010061217 Infestation Diseases 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 241000428199 Mustelinae Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000026781 habituation Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
- A01M29/10—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using light sources, e.g. lasers or flashing lights
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば田畑に栽培して
いる作物がカラスや鳩などの鳥類あるいは鼠やいたちな
どの小動物あるいは害虫といった鳥獣等によって被害を
受けることに対して処置を行なう鳥獣害防除方法に関す
るものである。BACKGROUND OF THE INVENTION The present invention is a bird and beast for treating a crop cultivated in a field, for example, from being damaged by birds such as crows and pigeons, small animals such as mice and weasels, and birds and beasts such as pests. It relates to a method for controlling harm.
【０００２】[0002]
【従来の技術】従来から実用されている鳥獣害防除方法
は、鳴子や花火、電撃ショック、あるいは音響スピーカ
からの爆音の放鳴などのように、鳥獣の主として聴覚を
刺激して威嚇する方法が主流であり、その他に案山子を
設置して威嚇する方法も知られている。2. Description of the Related Art A conventional method for controlling wildlife damage has been a method of intimidating mainly the hearing of birds and beasts, such as sounding a horn, fireworks, electric shock, or sounding an explosion from an acoustic speaker. It is the mainstream, and there is also a known method of installing a scarecrow and threatening it.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記のような
従来の鳥獣害防除方法では、作動あるいは設置してから
短期間のうちの威嚇効果は認められても、その音や姿に
鳥獣が慣れるに従って、その効果が次第に低減し、早期
のうちに所定の防除機能が達成できなくなり、防除効果
の持続性に欠けるものであった。However, in the above-mentioned conventional methods for controlling bird-infestation, even if a threatening effect is recognized within a short period of time after the operation or installation, the beast becomes accustomed to the sound and appearance. According to the above, the effect was gradually reduced, and a predetermined control function could not be achieved in an early stage, and the control effect was not long-lasting.
【０００４】本発明は上記の実情に鑑みてなされたもの
で、鳥獣の視覚に直接に刺激を与えるとともに、鳥獣が
本能的に嫌悪する影響を与えて、広範囲に及ぶ所定の防
除機能を長期間にわたって持続させることができるレー
ザー光利用の鳥獣防除方法を提供することを目的として
いる。The present invention has been made in view of the above-mentioned circumstances, and directly stimulates the sight of birds and beasts, and also has an effect of instinctively aversion of birds and beasts, and has a predetermined control function over a wide range for a long period of time. It is an object of the present invention to provide a method for controlling birds and animals using laser light that can be maintained for a long time.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、請求項１の発明は、レーザー光源から放出されるレ
ーザー光を、所定の方向に向けて空中に出射させて鳥獣
害を防除することを特徴とするものである。In order to achieve the above-mentioned object, the invention of claim 1 controls laser light emitted from a laser light source in the air in a predetermined direction to prevent damage to birds and animals. It is characterized by that.
【０００６】また、請求項２の発明は、上記レーザー光
を広範囲に拡散させて空中に出射させることを特徴とす
るものである。Further, the invention of claim 2 is characterized in that the laser light is diffused over a wide range and emitted into the air.
【０００７】[0007]
【作用】請求項１の発明によれば、レーザー光を、例え
ば田畑の出入口部や周囲などの空中に出射させておくこ
とによって、鳥獣が作物などに到達するためにそのレー
ザー光面を通過しようとした際、鳥獣の目の角膜に直接
的に非常に強い刺激を与えることになる。また、レーザ
ー光は、光の干渉現象により中心部が暗く、その周囲が
明るくなって、いわゆる眼状紋を現出するものであり、
これを遠く離れた所から見た場合、ワシやタカなどの猛
禽類の目を連想する。このような猛禽類の目は、鳥獣が
本能的に嫌悪し脅威を体感するものであるから、遠くに
位置する鳥獣に対する威嚇効果も非常に大きい。さら
に、レーザー光の放射領域には、地磁気による通常の磁
場に対して磁束密度か異なり、かつ、その領域内におい
ても磁束密度に変化のある磁場を形成する。このような
磁場は、特に鳩やカラスなどの飛来鳥が本来的に備えて
いる帰巣性に微妙な影響を及ぼすものであることは学説
上でも定着しており、鳥獣はこの磁場の影響を嫌悪する
ものである。According to the first aspect of the present invention, laser light is emitted into the air, for example, at the entrance and exit of a field or in the surroundings, so that birds and beasts will pass through the laser light surface in order to reach a crop or the like. In doing so, it will give a very strong stimulus directly to the cornea of the bird's eye. In addition, the laser light causes a so-called eye-like pattern to appear by darkening the central part and brightening the periphery due to the interference phenomenon of light.
When viewed from a distance, it is reminiscent of the eyes of birds of prey such as eagles and hawks. Since the eyes of such birds of prey are instinctively hated by birds and birds and experience a threat, they have a great threatening effect on birds and birds distantly located. Further, a magnetic field having a magnetic flux density different from that of an ordinary magnetic field due to geomagnetism and having a magnetic flux density change in that region is formed in the laser light emitting region. It is well established in the theory that such a magnetic field has a delicate effect on the homing property inherent to flying birds such as pigeons and crows. To do.
【０００８】以上のように、指向性が鋭く、かつ、電波
のような到達距離の大きいレーザー光を利用して、鳥獣
の目の角膜に直接的に非常に強い刺激を与えること、レ
ーザー光の眼状紋をもって猛禽類の目を現出すること、
および鳥獣のもつ帰巣本能に影響を与える磁場を形成す
ること、の相乗作用により、鳥獣の慣れといった問題を
解消して、長期間にわたって所定の防除機能を持続させ
ることができる。As described above, a laser beam having a sharp directivity and a large reach such as a radio wave is used to directly give a very strong stimulus to the cornea of a bird's eye. Revealing the eyes of a bird of prey with an eye-like crest,
By forming a magnetic field that affects the homing instinct of birds and beasts, the problem of getting used to birds and beasts can be solved and a predetermined control function can be maintained for a long period of time.
【０００９】特に、請求項２の発明のように、レーザー
光を広範囲に拡散させて空中に出射させることによっ
て、装置的に小型、安価で設置も楽なものを使用しなが
ら、上記のような優れた防除機能を広い範囲にわたりカ
バーさせることができる。In particular, as in the invention of claim 2, by diffusing the laser light in a wide range and emitting it in the air, while using a device which is small in size, inexpensive and easy to install, The excellent control function can be covered over a wide range.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１は、本発明によるレーザー光利用の鳥獣防除
方法の実施に際して使用するレーザー光発射装置の構成
図であり、同図において、１はヘリウムネオン（Ｈｅー
Ｎｅ）レーザー、炭酸（ＣＯ2 ）レーザー、紫外線レー
ザー、半導体レーザーなどのレーザー光源で、６３２．
８ｎｍのレーザー光Ｂを発射する。２は外周が多角面に
形成されたポリゴンミラーで、図示省略したモータによ
り回転駆動されて、入射されるレーザー光Ｂを広角に振
らせて、同一平面内で広範囲に拡散する。３，４は反射
ミラーで、上記レーザー光源１から放出されるレーザー
光Ｂを屈折させて上記ポリゴンミラー２に導くものであ
る。５はトロイダルレンズで、上記レーザー光源１、ポ
リゴンミラー２および反射ミラー３，４を格納する装置
本体ケース６の一側面に装着されており、上記ポリゴン
ミラー２により反射・拡散されてくるレーザー光Ｂを絞
るものである。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram of a laser beam emitting apparatus used for carrying out a method for controlling birds and animals using a laser beam according to the present invention. In FIG. 1, 1 is a helium neon (He—Ne) laser, a carbonic acid (CO 2 ) laser. , A laser light source such as an ultraviolet laser or a semiconductor laser, 632.
The laser beam B of 8 nm is emitted. Reference numeral 2 denotes a polygon mirror whose outer periphery is formed into a polygonal surface, which is rotationally driven by a motor (not shown) to oscillate the incident laser beam B at a wide angle and diffuse it in a wide range within the same plane. Reference numerals 3 and 4 are reflection mirrors for refracting the laser light B emitted from the laser light source 1 and guiding it to the polygon mirror 2. Reference numeral 5 is a toroidal lens, which is mounted on one side surface of the apparatus main body case 6 for housing the laser light source 1, the polygon mirror 2, and the reflection mirrors 3 and 4, and the laser light B reflected and diffused by the polygon mirror 2 is provided. To narrow down.
【００１１】上記のような構成のレーザー光発射装置
を、例えば田畑に近い箇所（農家などの離れた箇所でも
よい）に設置した上、レーザー光源１を作動させてレー
ザー光Ｂを発射すると、そのレーザー光Ｂは反射ミラー
３，４で反射されて回転駆動されているポリゴンミラー
２に導かれ、このポリゴンミラー２の外周多角面で広角
に振られるとともに、トロイダルレンズ５で絞られて同
一平面内で広範囲に拡散されて本体ケース６から出射さ
れる。このように拡散・出射されたレーザー光Ｂは約5
0,000Ｗ位であり、これが田畑の出入口部や周囲などの
空中に向けて放射されることになる。When the laser light emitting device having the above-described structure is installed, for example, in a place near a field (a remote place such as a farm may be used) and the laser light source 1 is activated to emit a laser light B, The laser beam B is reflected by the reflection mirrors 3 and 4 and guided to the polygon mirror 2 that is being driven to rotate, and is oscillated at a wide angle on the outer peripheral polygonal surface of the polygon mirror 2, and is narrowed by the toroidal lens 5 to be in the same plane. Is diffused in a wide range and is emitted from the main body case 6. The laser light B diffused and emitted in this way is about 5
It is about 0,000 W, and this will be radiated toward the air at the entrance and exit of the fields and the surrounding area.
【００１２】上記の状況下において、鳥獣が田畑に栽培
している作物などに到達するためには、レーザー光Ｂを
通過しなければならない。もし、通過しようとすると、
鳥獣の目の角膜に直接的に非常に強い刺激を与えて視力
に影響を及ぼすことになる。また、レーザー光Ｂは、光
の干渉現象により、図２に示すように、中心部Ｃが暗
く、その周囲Ａが赤色のレーザー光で明るいといった、
いわゆる眼状紋を現出しており、これは遠く離れた所か
ら見た場合、鳥獣が本能的に嫌悪し脅威を体感するワシ
やタカなどの猛禽類の目を連想する。したがって、遠く
に位置する鳥獣に対しても、大きな威嚇効果を発揮する
ことになる。さらに、レーザー光Ｂの放射領域には、地
磁気による通常の磁場（0.5 Ｏｅ）に対して磁束密度か
異なり、かつ、その領域内においても磁束密度が0.7 Ｇ
〜1.0 Ｇの範囲で変化する磁場が形成されており、この
ような磁場が、特に鳩やカラスなどの飛来鳥が本来的に
備えている帰巣性に微妙な影響を及ぼすことになり、以
上の相乗作用によって、作物を鳥獣の害から防護するこ
とができる。Under the above circumstances, the laser beam B must pass through in order for birds and beasts to reach crops and the like grown in the fields. If you try to pass
It directly gives a very strong stimulus to the cornea of the birds and beasts and affects the visual acuity. Further, the laser beam B has a dark central portion C and a bright red laser beam around its periphery A as shown in FIG. 2 due to a light interference phenomenon.
The so-called eye-shaped crest appears, which is associated with the eyes of birds of prey such as eagles and hawks, which are instinctively hated by birds and beasts when they are seen from a distance. Therefore, a great threatening effect can be exerted even on distant birds and beasts. Further, in the radiation area of the laser beam B, the magnetic flux density is different from the normal magnetic field (0.5 Oe) due to geomagnetism, and the magnetic flux density is 0.7 G even in that area.
A magnetic field that changes in the range of ~ 1.0 G is formed, and such a magnetic field has a delicate effect on the homing property inherent to flying birds such as pigeons and crows. Through synergy, crops can be protected from harm to birds and animals.
【００１３】なお、上記実施例において、レーザー光源
１として、ヘリウムネオン（ＨｅーＮｅ）レーザー、炭
酸（ＣＯ2 ）レーザー、紫外線レーザーなどの代わり
に、半導体レーザーを使用する場合は、該半導体レーザ
ーから発射されるレーザー光を、反射ミラー３，４を用
いずに直接にポリゴンミラー２に入射させる構成を採用
することが可能で、レーザー光発射装置を小形軽量化し
て鳥獣害防除の用途に一層優れたものとすることができ
る。In the above embodiment, when a semiconductor laser is used as the laser light source 1 instead of a helium neon (He--Ne) laser, a carbonic acid (CO 2 ) laser, an ultraviolet laser, etc. It is possible to adopt a configuration in which the emitted laser light is directly incident on the polygon mirror 2 without using the reflection mirrors 3 and 4, and the laser light emitting device is made smaller and lighter, and is more excellent in the use for the prevention of bird and animal damage. It can be
【００１４】また、上記実施例では、ポリゴンミラー２
を使用してレーザー光を広範囲に拡散させるようになし
たもので示したが、例えばレーザー光源１を水平面や垂
直面内で一方向に連続回転する回転体に装着したり、上
下に往復移動しながら回転する可動体に装着して、レー
ザー光の出射方向および範囲を可変できるようにした構
成を採用してもよい。In the above embodiment, the polygon mirror 2 is used.
It is shown that the laser light is diffused in a wide range by using, for example, the laser light source 1 is mounted on a rotating body which continuously rotates in one direction in a horizontal plane or a vertical plane, and reciprocates vertically. However, it is also possible to adopt a configuration in which it is attached to a rotating movable body so that the emitting direction and range of the laser light can be changed.
【００１５】[0015]
【発明の効果】以上説明したように、請求項１の発明に
よれば、指向性が鋭く、かつ、電波のような到達距離の
大きいレーザー光を利用して、鳥獣の目の角膜に直接的
に非常に強い刺激を与えること、レーザー光の眼状紋を
もって猛禽類の目を現出させて鳥獣が本能的に嫌悪する
影響を与えること、および鳥獣のもつ帰巣本能に狂いを
生じるような影響を与える磁場を形成することの相乗作
用により、鳥獣の慣れといった問題を解消して、長期間
にわたって広範囲に及ぶ所定の鳥獣害防除効果を持続さ
せることができる。As described above, according to the first aspect of the present invention, laser light having a sharp directivity and a large reaching distance such as a radio wave is used to directly direct the cornea of a bird's eye. Very intense stimuli, causing the eyes of a bird of prey to appear with a laser light eye-shaped pattern, and causing an instinctual dislike for birds and beasts, and an effect that causes the homing instinct of birds and beasts to go wrong Due to the synergistic effect of forming a magnetic field that gives a magnetic field, it is possible to solve the problem of habituation of birds and animals and maintain a predetermined effect of controlling the damage of birds and animals over a wide range over a long period of time.
【００１６】また、請求項２の発明によれば、小型で安
価な装置を用いて、上記のような鳥獣害防除効果のカバ
ー領域を広く確保することができる。According to the second aspect of the invention, it is possible to secure a wide cover area for the effect of controlling the harmful effects of birds and animals by using a small and inexpensive device.
【図１】本発明によるレーザー光利用の鳥獣防除方法の
実施に際して使用するレーザー光発射装置の構成図であ
る。FIG. 1 is a configuration diagram of a laser light emitting apparatus used for carrying out a method for controlling birds and animals using laser light according to the present invention.
【図２】レーザー光の干渉現象により現出される眼状紋
の形状を示す図である。FIG. 2 is a diagram showing a shape of an eye-shaped pattern that appears due to an interference phenomenon of laser light.
１ レーザー光源 ２ ポリゴンミラー Ｂ レーザー光 1 Laser light source 2 Polygon mirror B Laser light
Claims (2)
を、所定の方向に向けて空中に出射させて鳥獣害を防除
することを特徴とするレーザー光利用の鳥獣害防除方
法。1. A method for controlling bird damage using laser light, which comprises emitting laser light emitted from a laser light source in the air in a predetermined direction to control damage to birds and animals.
中に出射させることを特徴とする請求項１のレーザー光
利用の鳥獣害防除方法。2. A method for controlling damage to birds and animals using laser light according to claim 1, wherein the laser light is diffused over a wide range and emitted into the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34872292A JPH06233644A (en) | 1992-12-28 | 1992-12-28 | Method for controlling bird and beast injury using laser light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34872292A JPH06233644A (en) | 1992-12-28 | 1992-12-28 | Method for controlling bird and beast injury using laser light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06233644A true JPH06233644A (en) | 1994-08-23 |
Family
ID=18398931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34872292A Pending JPH06233644A (en) | 1992-12-28 | 1992-12-28 | Method for controlling bird and beast injury using laser light |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06233644A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002049427A1 (en) * | 2000-12-19 | 2002-06-27 | Kanai Gakuen Incorporation | A method for expelling harmful wild birds and beasts by multiple laser beams irradiation |
| KR101353948B1 (en) * | 2013-09-11 | 2014-01-22 | 한국농림시스템주식회사 | Stand type wild birds deterrent system by laser |
| KR101399076B1 (en) * | 2013-10-24 | 2014-05-27 | 오영미 | Device for repelling harmful animals to the crops |
| GB2584700A (en) * | 2019-06-12 | 2020-12-16 | Mkyri Ltd | A device for silencing insects having an audible song |
| KR20210126352A (en) * | 2020-04-10 | 2021-10-20 | 이순철 | A device for exterminating animals and birds |
| CN115104594A (en) * | 2021-03-17 | 2022-09-27 | 中国航发商用航空发动机有限责任公司 | Turbofan engine and aircraft |
| USD973782S1 (en) | 2019-06-14 | 2022-12-27 | Mkyri Limited | Wand |
| JP2023037885A (en) * | 2021-09-06 | 2023-03-16 | 株式会社J―bot | Wildlife repellent device |
| JP2025030605A (en) * | 2023-08-24 | 2025-03-07 | 株式会社J―bot | Wide-angle bird and animal repellent device |
-
1992
- 1992-12-28 JP JP34872292A patent/JPH06233644A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002049427A1 (en) * | 2000-12-19 | 2002-06-27 | Kanai Gakuen Incorporation | A method for expelling harmful wild birds and beasts by multiple laser beams irradiation |
| KR101353948B1 (en) * | 2013-09-11 | 2014-01-22 | 한국농림시스템주식회사 | Stand type wild birds deterrent system by laser |
| KR101399076B1 (en) * | 2013-10-24 | 2014-05-27 | 오영미 | Device for repelling harmful animals to the crops |
| GB2584700A (en) * | 2019-06-12 | 2020-12-16 | Mkyri Ltd | A device for silencing insects having an audible song |
| GB2584700B (en) * | 2019-06-12 | 2023-03-22 | Mkyri Ltd | A device for silencing insects having an audible song |
| USD973782S1 (en) | 2019-06-14 | 2022-12-27 | Mkyri Limited | Wand |
| KR20210126352A (en) * | 2020-04-10 | 2021-10-20 | 이순철 | A device for exterminating animals and birds |
| CN115104594A (en) * | 2021-03-17 | 2022-09-27 | 中国航发商用航空发动机有限责任公司 | Turbofan engine and aircraft |
| CN115104594B (en) * | 2021-03-17 | 2024-01-16 | 中国航发商用航空发动机有限责任公司 | Turbofan engine and aircraft |
| JP2023037885A (en) * | 2021-09-06 | 2023-03-16 | 株式会社J―bot | Wildlife repellent device |
| JP2025030605A (en) * | 2023-08-24 | 2025-03-07 | 株式会社J―bot | Wide-angle bird and animal repellent device |
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