JPH0533117Y2 - - Google Patents
Info
- Publication number
- JPH0533117Y2 JPH0533117Y2 JP1984089359U JP8935984U JPH0533117Y2 JP H0533117 Y2 JPH0533117 Y2 JP H0533117Y2 JP 1984089359 U JP1984089359 U JP 1984089359U JP 8935984 U JP8935984 U JP 8935984U JP H0533117 Y2 JPH0533117 Y2 JP H0533117Y2
- Authority
- JP
- Japan
- Prior art keywords
- television camera
- warning
- detection
- light
- detection signal
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 59
- 230000004913 activation Effects 0.000 claims description 28
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000011895 specific detection Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
- Burglar Alarm Systems (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、警戒光線を送光する送光器と、該光
線を受ける受光器とが、警戒区域を隔てて対向配
置され、人が前記警戒光線を遮つたときの前記受
光器の出力信号を基に作られた検出信号が警備所
に送られる光線式警戒装置に関し、特に前記警戒
区域を監視するテレビカメラを組合せた光線式警
戒装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is characterized in that a light transmitter that transmits a warning light beam and a light receiver that receives the light beam are placed facing each other across a warning area, and a person The present invention relates to a light beam warning device in which a detection signal generated based on the output signal of the light receiver when the warning light beam is interrupted is sent to a guard post, and particularly relates to a light beam warning device combined with a television camera for monitoring the warning zone. .
上述した対向型の光線式警戒装置は、警戒範囲
が広く、動作が安定なことから、工場等広い敷地
を有する場所に、多く使われている。
The above-mentioned facing type optical beam warning device has a wide warning range and stable operation, so it is often used in places with large premises such as factories.
しかし、この光線式警戒装置は、光線が遮断さ
れると、前記検出信号（即ち警報信号）が警備所
に送られ、該警備所にて警報が発せられるという
動作原理上、鳥や犬等の小動物が光線を遮つた場
合でも警報を発して、誤報となつてしまう。 However, the operating principle of this light beam warning device is that when the light beam is interrupted, the detection signal (i.e., alarm signal) is sent to the guard post, and the guard post issues an alarm. Even if a small animal blocks the light beam, an alarm will be issued, resulting in a false alarm.
従来でも、誤報を防ぐため、一定時間以上継続
して光線が遮断されたときに、警報が発せられる
ようにして、誤報を減らす様にしているが、鳥が
群れをないして遮断した場合等にはどうしても警
報が発せられてしまう。 Conventionally, in order to prevent false alarms, an alarm is issued when the beam is interrupted for a certain period of time to reduce false alarms. A warning will inevitably be issued.
そこで、特に大規模な警戒システムでは、光線
式警戒装置の近くにテレビカメラを設置し、警備
所において、ある警戒区域についての警報が発せ
られると、警備所からその区域を写すテレビカメ
ラを起動して、その区域を警備所のモニタ用テレ
ビに写し出して、侵入者の有無を確認することが
行なわれている。 Therefore, in a particularly large-scale warning system, a television camera is installed near the optical beam warning device, and when a warning is issued for a certain security area at a guard post, a television camera is activated from the security post to capture the area. The area is then displayed on a monitor at the guard post to check for intruders.
しかし、このように光線式警戒装置にテレビカ
メラを組合せた警戒監視装置では、警戒装置とは
別に、テレビカメラ設置用のポールを設置するこ
とになり、このためコスト高になつてしまうとい
う欠点がある。従つて、テレビカメラシステムの
方が光線式警戒装置よりもコスト高となつてしま
うことも多く、警戒監視装置は、特に重要な限ら
れた場所の警戒に使用されているにすぎない。一
般には、誤報が発せられるたびに、警備員がその
警戒区域を走りまわるといつたことが、今も行な
われている。
However, such a warning and monitoring device that combines a light beam warning device with a television camera has the disadvantage that a pole for installing the television camera must be installed separately from the warning device, resulting in high costs. be. Therefore, television camera systems often cost more than optical surveillance systems, and surveillance systems are only used to monitor limited areas of particular importance. The general practice is that every time a false alarm is issued, security guards run around the area.
更に、この警戒監視装置では、テレビカメラの
起動信号は、警備所にて警報が発せられた時に警
備所からテレビカメラに送るようにして、テレビ
カメラの寿命の延長ははかつている。しかしなが
ら、警戒装置にテレビカメラを組合わせる警戒監
視装置は、一般に、広大な場所に設置されること
が多く、上述のようにテレビカメラ起動信号を警
備所からテレビカメラに送る方法では、長いテレ
ビカメラ起動用信号線を必要とし、テレビカメラ
起動用信号線の敷設費用が高価となるという欠点
があつた。 Furthermore, in this security and monitoring device, the activation signal for the television camera is sent from the guard station to the television camera when an alarm is issued at the guard station, thereby greatly extending the life of the television camera. However, security and surveillance devices that combine a television camera with a security device are generally installed in vast areas, and the method described above in which a television camera activation signal is sent from the guard post to the television camera does not require a long television camera. A signal line for starting the TV camera is required, and the installation cost of the signal line for starting the television camera is high.
本考案の目的は、テレビカメラ設置用のポール
を不要として安価とした、テレビカメラを組合せ
た光線式警戒装置を提供することにある。 An object of the present invention is to provide a light beam warning device combined with a television camera that is inexpensive and does not require a pole for installing the television camera.
本考案の別の目的は、上述の目的を達成し、し
かも、人が警戒光線を遮つたときの受光器の出力
信号を基に作られた検出信号（即ち警報信号）を
警備所に送るようにすると共に、テレビカメラの
起動信号として該テレビカメラにも送るようにし
て、警備所とテレビカメラとの間のテレビカメラ
起動用信号線を不要として、より安価とすること
にある。 Another object of the present invention is to achieve the above-mentioned objects, and to send a detection signal (i.e., an alarm signal) to the guard post based on the output signal of the receiver when a person interrupts the warning light beam. In addition, the purpose is to send the signal to the television camera as a starting signal for the television camera, thereby eliminating the need for a signal line for starting the television camera between the guard station and the television camera, thereby reducing the cost.
本考案によれば、警戒光線を送光する送光器
と、警戒区域を隔てて前記送光器に対向配置さ
れ、該警戒光線を受ける受光器と、人が前記警戒
光線を遮つたときの前記受光器の出力信号を基に
検出信号を作り、出力する検出部と、該検出部の
近傍に設置され、前記警戒区域を監視するテレビ
カメラと、前記検出部及び前記テレビカメラ間の
距離よりも大きな距離だけ、前記検出部から離れ
た警備所に設けられ、前記検出部の前記検出信号
を受けると警報を発生する警報発生器と、前記警
備所に設けられ、前記テレビカメラの出力映像信
号を受けるモニタ用テレビとを有する光線式警戒
装置において、前記テレビカメラが前記受光器と
共に同一ケース内に設置されており、前記検出部
と前記テレビカメラとを接続するテレビカメラ起
動信号線を有し、前記検出部は、人が前記警戒光
線を遮つたとき、前記検出信号を前記警報発生器
に送ると共に、前記検出信号を前記テレビカメラ
の起動信号として前記テレビカメラ起動信号線に
も与えることを特徴とする光線式警戒装置が得ら
れる。
According to the present invention, a light transmitter that transmits a warning light beam, a light receiver that is arranged opposite to the light transmitter across a warning area and receives the warning light beam, and a light receiver that receives the warning light beam when a person blocks the warning light beam. A detection unit that generates and outputs a detection signal based on the output signal of the light receiver, a television camera that is installed near the detection unit and monitors the warning area, and a distance between the detection unit and the television camera. an alarm generator that is installed at a guard post that is separated by a large distance from the detection section and generates an alarm when it receives the detection signal from the detection section; In the optical beam warning device, the television camera is installed in the same case as the light receiver, and the television camera has a television camera activation signal line connecting the detection unit and the television camera. , when a person interrupts the warning light beam, the detection unit sends the detection signal to the alarm generator, and also provides the detection signal to the television camera activation signal line as a activation signal for the television camera. A characteristic light beam warning device is obtained.
第２図を参照すると、本考案の一実施例による
光線式警戒装置は、４つの警戒区域Ａ〜Ｄへの侵
入者の侵入を警戒光線によつて警戒する警戒部１
１〜１４を有している。警戒光線には赤外線が用
いられている。
Referring to FIG. 2, the light beam warning device according to an embodiment of the present invention includes a warning section 1 that uses warning light beams to warn against intruders entering four warning zones A to D.
1 to 14. The warning light uses infrared light.
更に、本実施例による光線式警戒装置は、４つ
の警戒区域Ａ〜Ｄをそれぞれ監視する４つのテレ
ビカメラ２１〜２４を備えている。 Furthermore, the optical warning device according to this embodiment includes four television cameras 21 to 24 that respectively monitor four warning areas A to D.
また、３０は警戒部１４からの検出信号を警備
所５０に送るための検出信号線である。また、４
１〜４４はテレビカメラ２１〜２４の出力映像信
号を警備所５０に送るための映像信号線である。 Further, 30 is a detection signal line for sending a detection signal from the guard section 14 to the guard post 50. Also, 4
1 to 44 are video signal lines for sending output video signals from the television cameras 21 to 24 to the guard post 50.
警備所５０は、検出信号線３０からの検出信号
を基に、どの警戒区域に侵入者の侵入があつたか
を表示する遮断区域識別表示装置と、検出信号３
０からの検出信号を受けると、警報音を発生する
警報発生器と、映像信号線４１〜４４からの映像
信号を受けるモニタ用テレビとを備えている。 The guard post 50 includes a block area identification display device that displays which guard area has been invaded by an intruder based on the detection signal from the detection signal line 30, and a detection signal line 30.
The apparatus includes an alarm generator that generates an alarm sound when it receives a detection signal from 0, and a monitor television that receives video signals from video signal lines 41 to 44.
また、６１〜６４はテレビカメラ２１〜２４に
起動信号を送るためのテレビカメラ起動信号線で
ある。 Further, 61 to 64 are television camera activation signal lines for sending activation signals to the television cameras 21 to 24.
前述の警戒光線として赤外線を用いた光線式警
戒装置は、例えば、実開昭52−20186号（実願昭
50−105097号）明細書に記載されているものと実
質的に同様のものである。 The above-mentioned optical warning device using infrared rays as a warning light is disclosed in, for example, Utility Model Application No. 52-20186.
50-105097) is substantially the same as that described in the specification.
第３図を参照すると、第２図の警戒部１１の概
略構成が示されている。警戒部１１は、警戒部１
４からの赤外線の受光器１１１と、警戒部１２へ
の赤外線の送光器１１２と、受光器１１１の出力
信号を基に送光器１１２を制御する制御部１１３
とを有している。 Referring to FIG. 3, a schematic configuration of the security section 11 of FIG. 2 is shown. Vigilance Department 11 is Vigilance Department 1
4, an infrared light transmitter 112 to the warning section 12, and a control section 113 that controls the light transmitter 112 based on the output signal of the light receiver 111.
It has
制御部１１３は、受光器１１１の出力信号が所
定時間以上遮断されることにより、警戒区域Ａへ
の侵入者の侵入を検出して、警戒部１１に特有の
検出信号を出力すると同時に、テレビカメラ起動
信号線６１にテレビカメラ起動信号を出力する検
出部１１３ａを含んでいる。制御部１１３は、検
出部１１３ａが前記特有の検出信号を出力した場
合には、その特有の検出信号を重畳した赤外線を
送光器１１２に送出されるように制御する。他
方、検出部１１３ａが前記特有の検出信号を出力
しなかつた場合には、制御部１１３は、受光器１
１１で受けた制御部１１３を中継して送光器１１
２から送出する中継動作を行なう。 The control unit 113 detects the intrusion of an intruder into the security area A by blocking the output signal of the light receiver 111 for a predetermined time or longer, and outputs a specific detection signal to the security unit 11, and at the same time outputs a detection signal specific to the security area A. It includes a detection section 113a that outputs a television camera activation signal to the activation signal line 61. When the detection unit 113a outputs the specific detection signal, the control unit 113 controls the infrared rays on which the specific detection signal is superimposed to be sent to the light transmitter 112. On the other hand, if the detection unit 113a does not output the unique detection signal, the control unit 113
The control unit 113 received at the transmitter 11 is relayed to the light transmitter 11.
A relay operation is performed to send data from 2.
以上に警戒部１１の構造及び動作を説明した
が、警戒部１２及び１３も同様の構造を有し、同
様の動作を行なう。 Although the structure and operation of the vigilance section 11 have been described above, the vigilance sections 12 and 13 also have a similar structure and perform similar operations.
第４図を参照すると、第２図の警戒部１４の概
略構成が示されている。警戒部１１４は、警戒部
１１への赤外線の送光器１４２と、警戒部１３か
らの赤外線の受光器１４１と、受光器１４１の出
力信号を受ける制御部１４３とを有している。 Referring to FIG. 4, a schematic configuration of the security section 14 of FIG. 2 is shown. The vigilance section 114 includes an infrared light transmitter 142 for transmitting infrared light to the vigilance section 11 , an infrared light receiver 141 from the vigilance section 13 , and a control section 143 that receives an output signal from the light receiver 141 .
制御部１４３は、受光器１４１の出力信号が所
定時間以上遮断されることにより、警戒区域Ｄへ
の侵入者の侵入を検出して、警戒部１４に特有の
検出信号を出力すると同時に、テレビカメラ起動
信号線６４にテレビカメラ起動信号を出力する検
出部１４３ａを含んでいる。制御部１４３は、検
出部１４３ａが警戒部１４に特有の検出信号を出
力した場合には、その特有の検出信号を検出信号
線３０に出力する。また、制御部１４３は、受光
器１４１の出力信号として得られた、警戒部１１
〜１３のいずれかから赤外線に重畳されて運ばれ
て来た、その警戒部に特有の検出信号を検出信号
線３０に出力する。 When the output signal of the light receiver 141 is interrupted for a predetermined period of time or longer, the control unit 143 detects the intrusion of an intruder into the guarded area D, outputs a specific detection signal to the guarding unit 14, and at the same time outputs a specific detection signal to the guarding unit 14. It includes a detection section 143a that outputs a television camera activation signal to the activation signal line 64. When the detection unit 143 a outputs a specific detection signal to the warning unit 14 , the control unit 143 outputs the specific detection signal to the detection signal line 30 . Further, the control unit 143 controls the warning unit 11 obtained as the output signal of the light receiver 141.
A detection signal specific to the warning section, which is superimposed on infrared rays and carried from any one of the sections 13 to 13, is output to the detection signal line 30.
第１図を参照すると、第２図に示した本考案の
一実施例による光線式警戒装置の９１部分の装置
配置状態が示されている。即ち、警戒区域Ａを監
視するためのテレビカメラ２１が、受光器１１１
及び送光器１１２と共に、同一ケース９１ａ内に
配置されている。 Referring to FIG. 1, there is shown the arrangement of 91 parts of the optical warning device according to an embodiment of the present invention shown in FIG. That is, the television camera 21 for monitoring the caution area A is connected to the light receiver 111.
and the light transmitter 112 are arranged in the same case 91a.
従来の警戒監視装置では、テレビカメラの受け
持つ警戒区域の全域をカバーするために、テレビ
カメラは警戒装置の受光器から横方向に或る程度
（数ｍ以上）離して取り付けなければならず、送
受光器とは別個の基礎、取り付けポール等が必要
となる。 In conventional warning and monitoring equipment, in order to cover the entire warning area covered by the TV camera, the TV camera must be installed a certain distance laterally (several meters or more) from the receiver of the warning equipment, and the A separate foundation, mounting pole, etc. from the receiver is required.
本実施例では、テレビカメラ２１は受光器１１
１及び送光器１１２の直上に位置するため、テレ
ビカメラ２１を横方向に離すことなく、警戒区域
をカバーすることができる。又、テレビカメラ２
１は、送受光器１１１及び１１２と共に、同一の
ケース９１ａ内に配置されるため、カメラハウジ
ング等も特に必要ない。 In this embodiment, the television camera 21 has a light receiver 11
1 and the light transmitter 112, it is possible to cover the guarded area without moving the television camera 21 laterally. Also, TV camera 2
1 is placed in the same case 91a together with the light transmitters and receivers 111 and 112, so there is no need for a camera housing or the like.
次に、本受光器の光線式警戒装置の動作を説明
する。 Next, the operation of the optical warning device of this light receiver will be explained.
警戒区域Ａ〜Ｄのいずれにも侵入者の侵入がな
い場合、警戒部１４の送光器１４２から送出され
た赤外線は、警戒部１１〜１３によつて中継され
て警戒部１４の受光器１４１に戻る。この場合、
テレビカメラ起動信号線６１〜６４には起動信号
が出力されず、テレビカメラ２１〜２４は起動さ
れない。更に、検出信号線３０にも検出信号が出
力されず、警備所５０の警報発生器は警報音を発
していない。 If there is no intruder entering any of the warning areas A to D, the infrared rays sent out from the light transmitter 142 of the warning section 14 are relayed by the warning sections 11 to 13 and sent to the light receiver 141 of the warning section 14. Return to in this case,
No activation signal is output to the television camera activation signal lines 61 to 64, and the television cameras 21 to 24 are not activated. Furthermore, no detection signal is output to the detection signal line 30, and the alarm generator at the guard post 50 does not emit an alarm sound.
この状態で、例えば、警戒区域Ａの赤外線が侵
入者によつて遮断されると、警戒部１１の検出部
１１３ａが警戒部１１に特有の検出信号を出力す
ると同時に、テレビカメラ起動信号線６１にテレ
ビカメラ起動信号を出力する。この検出信号は、
送光器１１２の赤外線に重畳されて警戒部１２に
送出される。また、テレビカメラ起動信号線６１
に出力されたテレビカメラ起動信号によつてテレ
ビカメラ１１が起動される。上述の検出信号が重
畳された赤外線は警戒部１２及び１３によつて中
継され、警戒部１４の受光器１４１に送られる。
警戒部１４は、赤外線に重畳されて送られて来
た、警戒部１１に特有の検出信号を検出信号線３
０に出力する。それによつて、警備所５０では、
警報発生器が警報音を発生し、また、遮断区域識
別表示装置が警戒区域Ａに侵入者の侵入があつた
ことを表示する。また、警備所５０のモニタ用テ
レビには、テレビカメラ２１の出力映像信号が映
像信号線４１を通つて送られ、映像として写し出
され、モニタ用テレビによつて警戒区域Ａの監視
が可能となる。この際、例えば鳥の群などによる
誤報を、警備所５０のモニタ用テレビによつて確
認できるので、誤報の場合には警備員は警戒区域
まで行く必要がなくなる。 In this state, for example, if the infrared rays in the guarded area A are blocked by an intruder, the detection section 113a of the guarding section 11 outputs a detection signal specific to the guarding section 11, and at the same time outputs a detection signal specific to the guarding section 11 to the television camera activation signal line 61. Outputs a TV camera activation signal. This detection signal is
The light is superimposed on the infrared light of the light transmitter 112 and sent to the warning unit 12. In addition, the TV camera activation signal line 61
The television camera 11 is activated by the television camera activation signal output to. The infrared light on which the above-mentioned detection signal is superimposed is relayed by the warning units 12 and 13 and sent to the light receiver 141 of the warning unit 14.
The vigilance section 14 receives a detection signal specific to the vigilance section 11, which is superimposed on infrared rays and sent to the detection signal line 3.
Output to 0. As a result, at the guard post 50,
The alarm generator generates an alarm sound, and the blocked area identification display device indicates that an intruder has entered the guarded area A. Further, the output video signal of the television camera 21 is sent to the monitor television of the guard post 50 through the video signal line 41 and displayed as a video, making it possible to monitor the restricted area A by the monitor television. . At this time, false alarms caused by flocks of birds, for example, can be confirmed on the monitor television at the guard post 50, so that in the case of false alarms, the security guard does not need to go to the restricted area.
第５図を参照すると、第２図の警戒部１１によ
るテレビカメラ２１の起動方法の一例が示されて
いる。即ち、警戒部１１よりテレビカメラ起動信
号線６１に出力されるテレビカメラ起動信号によ
つて、リレー７１が動作する。リレー７１が動作
すると、そのリレー接点７１ａがメークし、電源
ライン８１がオン状態となる。それによつて、テ
レビカメラ２１は電源の供給を受け、起動され
る。 Referring to FIG. 5, an example of a method of activating the television camera 21 by the vigilance unit 11 of FIG. 2 is shown. That is, the relay 71 is activated by a television camera activation signal outputted from the vigilance unit 11 to the television camera activation signal line 61. When the relay 71 operates, its relay contact 71a is closed and the power line 81 is turned on. Thereby, the television camera 21 is supplied with power and activated.
従来の警戒監視装置では、テレビカメラ２１〜
２４の起動信号は、警備所５０にて警報が発せら
れた時に警備所５０からテレビカメラ２１〜２４
に送つていた。従つて、長いテレビカメラ起動用
信号線を必要とし、テレビカメラ起動用信号線の
敷設費用が高価となつていた。これに対して、本
実施例では、テレビカメラ２１〜２４の起動信号
として警戒装置の警戒部１１〜１４内の検出部１
１３ａ〜１４３ａから検出時に出力される信号を
用いることによつて、警備所５０とテレビカメラ
２１〜２４の各々との間のテレビカメラ起動用信
号線が不要となつた。 In conventional warning and monitoring equipment, the television camera 21~
The activation signal 24 is transmitted to the television cameras 21 to 24 from the guard post 50 when an alarm is issued at the guard post 50.
was sent to. Therefore, a long signal line for starting the television camera is required, and the cost of laying the signal line for starting the television camera is high. On the other hand, in this embodiment, the detection unit 1 in the warning units 11 to 14 of the warning device is used as the activation signal for the television cameras 21 to 24.
By using the signals output from 13a to 143a at the time of detection, a signal line for starting the television camera between the guard post 50 and each of the television cameras 21 to 24 is no longer necessary.
なお、赤外線に検出信号を重畳させる具体的な
方法としては、赤外線を検出信号によつて異なる
周波数のパルス列として送出するとか、その他種
種の方法を用いることができる。 As a specific method for superimposing the detection signal on the infrared rays, it is possible to send out the infrared rays as a pulse train of different frequencies depending on the detection signal, or various other methods can be used.
第６図を参照すると、第２図の光線式警戒装置
の９１部分の装置配置状態の別の例が示されてい
る。本実施例では、ケース９１ａ内に、テレビカ
メラ２１を駆動するためのバツテリー２００が設
けられると共に、ケース９１の上面に、出力がバ
ツテリー２００に接続された太陽電池１００が設
けられている。テレビカメラ２１としては、バツ
テリー駆動が容易な固体撮像素子カメラが使用さ
れている。テレビカメラ２１は、警戒部１１内の
検出部１１３ａ（第３図）から検出信号（即ち警
報信号）が発せられた時のみ動作するので、消費
電力は少なく、太陽電池１００を電源として使用
することができる。この結果、電源線の敷設を省
くことができ、第１図の場合より更に設置コスト
を下げることができる。 Referring to FIG. 6, another example of the device arrangement state of the 91 part of the optical beam warning device of FIG. 2 is shown. In this embodiment, a battery 200 for driving the television camera 21 is provided in the case 91a, and a solar cell 100 whose output is connected to the battery 200 is provided on the upper surface of the case 91. As the television camera 21, a solid-state image pickup device camera that is easily battery-powered is used. Since the television camera 21 operates only when a detection signal (that is, an alarm signal) is issued from the detection section 113a (FIG. 3) in the alarm section 11, power consumption is low and the solar cell 100 can be used as a power source. I can do it. As a result, the installation of power supply lines can be omitted, and the installation cost can be further reduced than in the case of FIG. 1.
以上説明したように本考案によれば、テレビカ
メラを受光器とともに、同一ケース内に設置する
ことによつて、テレビカメラ設置用のポールの設
置を不要として安価とした、テレビカメラを組合
せた光線式警戒装置を得ることができる。
As explained above, according to the present invention, by installing the television camera and the light receiver in the same case, the installation of a pole for installing the television camera is unnecessary and the cost is reduced. You can obtain a type warning device.
更に本考案によれば、警戒装置の検出部とテレ
ビカメラとをテレビカメラ起動信号線によつて接
続し、前記検出信号をテレビカメラの起動信号と
して該テレビカメラにも送るようにして、警備所
とテレビカメラとの間のテレビカメラ起動信号線
を不要とした、より安価な光線式警戒装置が得ら
れる。 Furthermore, according to the present invention, the detection section of the security device and the television camera are connected by a television camera activation signal line, and the detection signal is also sent to the television camera as an activation signal of the television camera, so that It is possible to obtain a cheaper optical beam warning device that does not require a television camera activation signal line between the camera and the television camera.
第１図は本考案の一実施例による光線式警戒装
置の主要部を示した概略図、第２図は上述の実施
例による光線式警戒装置の全体を示した概略図、
第３図は第２図の警戒部１１の概略構成を示した
ブロツク図、第４図は第２図の警戒部１４の概略
構成を示したブロツク図、第５図は第２図の警戒
部１１によるテレビカメラ２１の起動方法の一例
を示したブロツク図、第６図は本考案の別の実施
例による光線式警戒装置の主要部を示した第１図
と同様な図である。
１１〜１４……警戒部、２１〜２４……テレビ
カメラ、３０……検出信号線、４１〜４４……映
像信号線、５０……警備所、６１〜６４……テレ
ビカメラ起動信号線、Ａ〜Ｄ……警戒区域、９１
ａ……ケース、１００……太陽電池、１１１〜１
４１……受光器、１１２〜１４２……送光器、２
００……バツテリー。
FIG. 1 is a schematic diagram showing the main parts of a light beam warning device according to an embodiment of the present invention, FIG. 2 is a schematic diagram showing the entire light beam warning device according to the above-mentioned embodiment,
3 is a block diagram showing a schematic configuration of the security section 11 in FIG. 2, FIG. 4 is a block diagram showing a schematic configuration of the security section 14 in FIG. 2, and FIG. FIG. 6 is a block diagram showing an example of a method of starting the television camera 21 according to the invention. FIG. 6 is a diagram similar to FIG. 11-14...Vigilance department, 21-24...TV camera, 30...Detection signal line, 41-44...Video signal line, 50...Guard post, 61-64...TV camera activation signal line, A ~D...Restricted area, 91
a...Case, 100...Solar cell, 111-1
41... Light receiver, 112-142... Light transmitter, 2
00...Battery.
Claims (1)
て前記送光器に対向配置され、該警戒光線を受け
る受光器と、人が前記警戒光線を遮つたときの前
記受光器の出力信号を基に検出信号を作り、出力
する検出部と、該検出部の近傍に設置され、前記
警戒区域を監視するテレビカメラと、前記検出部
及び前記テレビカメラ間の距離よりも大きな距離
だけ、前記検出部から離れた警備所に設けられ、
前記検出部の前記検出信号を受けると警報を発生
する警報発生器と、前記警備所に設けられ、前記
テレビカメラの出力映像信号を受けるモニタ用テ
レビとを有する光線式警戒装置において、前記テ
レビカメラが前記受光器と共に同一ケース内に設
置されており、前記検出部と前記テレビカメラと
を接続するテレビカメラ起動信号線を有し、前記
検出部は、人が前記警戒光線を遮つたとき、前記
検出信号を前記警報発生器に送ると共に、前記検
出信号を前記テレビカメラの起動信号として前記
テレビカメラ起動信号線にも与えることを特徴と
する光線式警戒装置。 A light transmitter that transmits a warning light beam, a light receiver that is placed opposite to the light transmitter across a warning area and receives the warning light beam, and an output signal of the light receiver when a person interrupts the warning light beam. a detection unit that generates and outputs a detection signal based on the detection unit; a television camera that is installed near the detection unit and monitors the warning area; It is installed in a security post away from the detection unit.
An optical beam warning device comprising: an alarm generator that generates an alarm upon receiving the detection signal from the detection unit; and a monitor television provided at the guard post and receiving an output video signal from the television camera, wherein the television camera is installed in the same case together with the light receiver, and has a television camera activation signal line connecting the detection section and the television camera, and the detection section detects when a person interrupts the warning light beam. A light beam warning device characterized in that a detection signal is sent to the alarm generator, and the detection signal is also applied to the television camera activation signal line as a activation signal for the television camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8935984U JPS617176U (en) | 1984-06-18 | 1984-06-18 | light beam warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8935984U JPS617176U (en) | 1984-06-18 | 1984-06-18 | light beam warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS617176U JPS617176U (en) | 1986-01-17 |
| JPH0533117Y2 true JPH0533117Y2 (en) | 1993-08-24 |
Family
ID=30643358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8935984U Granted JPS617176U (en) | 1984-06-18 | 1984-06-18 | light beam warning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS617176U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS506730U (en) * | 1973-05-18 | 1975-01-23 | ||
| JPS5159226A (en) * | 1974-11-20 | 1976-05-24 | Nippon Cetu Kk | HOANYOTEREBIKANSHISOCHI |
| JPS557747A (en) * | 1978-06-30 | 1980-01-19 | Nec Corp | Light modulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025415U (en) * | 1973-06-28 | 1975-03-24 |
-
1984
- 1984-06-18 JP JP8935984U patent/JPS617176U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS506730U (en) * | 1973-05-18 | 1975-01-23 | ||
| JPS5159226A (en) * | 1974-11-20 | 1976-05-24 | Nippon Cetu Kk | HOANYOTEREBIKANSHISOCHI |
| JPS557747A (en) * | 1978-06-30 | 1980-01-19 | Nec Corp | Light modulator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS617176U (en) | 1986-01-17 |
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