JPS6435482U - - Google Patents
Info
- Publication number
- JPS6435482U JPS6435482U JP12636187U JP12636187U JPS6435482U JP S6435482 U JPS6435482 U JP S6435482U JP 12636187 U JP12636187 U JP 12636187U JP 12636187 U JP12636187 U JP 12636187U JP S6435482 U JPS6435482 U JP S6435482U
- Authority
- JP
- Japan
- Prior art keywords
- light
- distance
- alarm device
- alarm
- larger
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Description
第１図は本考案の一実施例の警報装置の構成図
、第２図は第１図警報装置内の光学系の配置図、
第３図ａ，ｂは第２図の発光素子の取付形態図、
第４図ａ〜ｃは第１図警報装置の受信信号波形図
、第５図および第６図は第１図警報装置の警報検
出動作を説明する図、第７図ａ〜ｃは従来の警報
装置の構成図、である。
符号の説明、１……発光ユニツト、２……受光
ユニツト、３……励起ユニツト、４……検出ユニ
ツト、１１，１２……発光素子、２１，２２……
受光素子、３１……発振回路、３２……パルス変
調回路、３３……駆動回路、４１，４２……フイ
ルタ、４３……加算回路、４４……警報検出回路
、４５……警報出力回路。
Fig. 1 is a configuration diagram of an alarm device according to an embodiment of the present invention, Fig. 2 is a layout diagram of an optical system in the alarm device shown in Fig. 1,
Figures 3a and 3b are installation configuration diagrams of the light emitting element in Figure 2;
Figures 4 a to c are received signal waveform diagrams of the alarm device in Figure 1, Figures 5 and 6 are diagrams explaining the alarm detection operation of the alarm device in Figure 1, and Figures 7 a to c are conventional alarm FIG. 2 is a configuration diagram of the device. Explanation of symbols: 1... Light emitting unit, 2... Light receiving unit, 3... Excitation unit, 4... Detection unit, 11, 12... Light emitting element, 21, 22...
Light receiving element, 31...Oscillation circuit, 32...Pulse modulation circuit, 33...Drive circuit, 41, 42...Filter, 43...Addition circuit, 44...Alarm detection circuit, 45...Alarm output circuit.
Claims (1)
出対象物の大きさよりも大きい距離Ｄ１を隔てて
一体的に形成された発光ユニツト１と、 該発光ユニツトと所定の距離Ｌを隔てて配設さ
れ、それぞれが前記発光素子からの射出光の少な
くとも一方を受光するように、且つ非検出対象物
の大きさよりも大きい距離Ｄ２を隔てて、少なく
とも２つの受光素子２１，２２が一体的に形成さ
れた受光ユニツト２と、 前記発光素子を励起する励起ユニツト３と、 前記受光素子の検出信号を加算し、該加算値が
所定レベル以下の場合を検出する警報ユニツト４
と、 を具備する、警報装置。 ２ 前記警報ユニツトは、前記加算値が一定時間
前記所定レベル以下継続することを検出する、実
用新案登録請求の範囲第１項に記載の警報装置。[Claims for Utility Model Registration] 1. A light-emitting unit 1 in which at least two light-emitting elements 11 and 12 are integrally formed with a distance D1 larger than the size of a non-detection object; At least two light-receiving elements 21 arranged at a distance L, each receiving at least one of the light emitted from the light-emitting element, and separated by a distance D2 larger than the size of the non-detection object. .
An alarm device comprising: and. 2. The alarm device according to claim 1, wherein the alarm unit detects that the added value remains below the predetermined level for a certain period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12636187U JPS6435482U (en) | 1987-08-21 | 1987-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12636187U JPS6435482U (en) | 1987-08-21 | 1987-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6435482U true JPS6435482U (en) | 1989-03-03 |
Family
ID=31377818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12636187U Pending JPS6435482U (en) | 1987-08-21 | 1987-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6435482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100388444B1 (en) * | 2000-07-20 | 2003-06-25 | 주식회사 큐텍스 | infrared sensor |
| JP2008197028A (en) * | 2007-02-15 | 2008-08-28 | Atsumi Electric Co Ltd | Hot wire sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6045897A (en) * | 1983-08-24 | 1985-03-12 | オーテック電子株式会社 | Infrared alarm |
-
1987
- 1987-08-21 JP JP12636187U patent/JPS6435482U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6045897A (en) * | 1983-08-24 | 1985-03-12 | オーテック電子株式会社 | Infrared alarm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100388444B1 (en) * | 2000-07-20 | 2003-06-25 | 주식회사 큐텍스 | infrared sensor |
| JP2008197028A (en) * | 2007-02-15 | 2008-08-28 | Atsumi Electric Co Ltd | Hot wire sensor |
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