JPS6457588U - - Google Patents
Info
- Publication number
- JPS6457588U JPS6457588U JP14932487U JP14932487U JPS6457588U JP S6457588 U JPS6457588 U JP S6457588U JP 14932487 U JP14932487 U JP 14932487U JP 14932487 U JP14932487 U JP 14932487U JP S6457588 U JPS6457588 U JP S6457588U
- Authority
- JP
- Japan
- Prior art keywords
- heat ray
- detection circuits
- ray detection
- input terminals
- pyroelectric
- 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 9
- 230000005669 field effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Burglar Alarm Systems (AREA)
Description
第1図は従来の装置における焦電型熱線検出素
子の接続図、第2図は第1図の接続素子を用いた
従来の装置の回路図、第3図は本考案実施例の焦
電型熱線検出素子の接続図、第4図は第3図の検
出素子を用いた本考案実施例の回路図、第5図は
第3図第4図の装置における信号波形の一例を示
した図である。なお図において、1,2ならびに
11〜14は焦電型熱線検出素子、である。
Fig. 1 is a connection diagram of a pyroelectric heat ray detection element in a conventional device, Fig. 2 is a circuit diagram of a conventional device using the connection element of Fig. 1, and Fig. 3 is a pyroelectric type according to an embodiment of the present invention. A connection diagram of a heat ray detection element, Fig. 4 is a circuit diagram of an embodiment of the present invention using the detection element of Fig. 3, and Fig. 5 is a diagram showing an example of a signal waveform in the device of Figs. 3, 4, and 4. be. In the figure, numerals 1, 2 and 11 to 14 are pyroelectric heat ray detection elements.
Claims (1)
型熱線検出素子をそれぞれ電界効果型トランジス
タよりなる増幅回路の入力端に接続して2組の熱
線検出回路を構成し、上記2組の熱線検出回路の
出力端を1組の波形検出回路の入力端にそれぞれ
接続すると共に前記2つあての焦電型熱線検出素
子をほぼ同一位置において互いに直交する方向へ
配列して熱線集光レンズの焦点面に配置した熱線
式侵入者感知器。 Two sets of heat ray detection circuits are constructed by connecting two pyroelectric heat ray detection elements connected in series with opposite polarities to the input terminals of an amplifier circuit consisting of a field effect transistor, and The output terminals of the detection circuits are respectively connected to the input terminals of a set of waveform detection circuits, and the two pyroelectric heat ray detection elements are arranged in substantially the same position in mutually orthogonal directions to form the focal point of the heat ray condensing lens. Heat wire intruder detector placed on the surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14932487U JPS6457588U (en) | 1987-10-01 | 1987-10-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14932487U JPS6457588U (en) | 1987-10-01 | 1987-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6457588U true JPS6457588U (en) | 1989-04-10 |
Family
ID=31421447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14932487U Pending JPS6457588U (en) | 1987-10-01 | 1987-10-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6457588U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5994094A (en) * | 1982-11-20 | 1984-05-30 | Takenaka Eng Kogyo Kk | Twin sensor system for omnidirectional burglary |
-
1987
- 1987-10-01 JP JP14932487U patent/JPS6457588U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5994094A (en) * | 1982-11-20 | 1984-05-30 | Takenaka Eng Kogyo Kk | Twin sensor system for omnidirectional burglary |
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