JPS61193376U - - Google Patents
Info
- Publication number
- JPS61193376U JPS61193376U JP7866185U JP7866185U JPS61193376U JP S61193376 U JPS61193376 U JP S61193376U JP 7866185 U JP7866185 U JP 7866185U JP 7866185 U JP7866185 U JP 7866185U JP S61193376 U JPS61193376 U JP S61193376U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- logic circuit
- level detector
- lasts
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Burglar Alarm Systems (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第1図は本考案の一実施例を示す回路図、第2
図乃至第4図は第1図の実施例の各種動作態様に
おける各部信号波形を示すタイムチヤート、第5
図は同実施例に用いるセンサの接続図、第6図乃
至第9図は第5図のセンサによる検出信号の説明
図である。
1,2…物体の移動方向、3,4…焦電素子、
6…センサ、8…レベル検出器、9,12…単安
定マルチバイブレータ、10…ナンドゲート、1
1…オアゲート、v…検出信号。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
5 to 4 are time charts showing signal waveforms of various parts in various operating modes of the embodiment shown in FIG.
The figure is a connection diagram of the sensor used in the same embodiment, and FIGS. 6 to 9 are explanatory diagrams of detection signals by the sensor of FIG. 5. 1, 2...Movement direction of object, 3, 4...Pyroelectric element,
6...Sensor, 8...Level detector, 9, 12...Monostable multivibrator, 10...Nand gate, 1
1...OR gate, v...detection signal.
Claims (1)
に応じて2つの極性の信号を順次生じる検出手段
と、 この検出手段の出力が一方極性のときに検出動
作する第1のレベル検出器と、 前記検出手段の出力が他方極性のときに検出動
作する第2のレベル検出器と、 前記第1のレベル検出器の出力に応じて第1の
所定時間持続する信号を形成する第1の持続回路
と、 前記第2のレベル検出器の出力に応じて第1の
所定時間持続する信号を形成する第2の持続回路
と、 前記第1のレベル検出器および第2の持続回路
の出力が与えられたとき出力を生じると共に前記
第1の持続回路をリセツトする第1の論理回路と
、 前記第2のレベル検出器および第1の持続回路
の出力が与えられたとき出力を生じると共に前記
第2の持続回路をリセツトする第2の論理回路と
、 前記第1の論理回路の出力が与えられたとき第
2の所定時間持続する出力を生じると共に前記第
2の論理回路からの信号を阻止し、前記第2の論
理回路の出力が与えられたとき第2の所定時間持
続する出力を生じると共に前記第1の論理回路か
らの信号を阻止するインターロツク回路とをそな
えた物体の移動方向検出装置。[Claims for Utility Model Registration] A detection means that detects far infrared rays emitted by an object and sequentially generates signals of two polarities depending on the moving direction of the object; a level detector; a second level detector that performs a detection operation when the output of the detection means is of the other polarity; a first sustaining circuit for forming a signal that lasts for a first predetermined period of time in response to the output of the second level detector; a first logic circuit that produces an output and resets the first sustain circuit when the output of the sustain circuit is applied; and an output when the output of the second level detector and the first sustain circuit is applied. a second logic circuit that generates an output that lasts for a second predetermined period of time when the output of the first logic circuit is applied, and that resets the second sustaining circuit; an interlock circuit that blocks a signal from the first logic circuit, produces an output that lasts for a second predetermined time when the output of the second logic circuit is applied, and blocks a signal from the first logic circuit. movement direction detection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7866185U JPH0339737Y2 (en) | 1985-05-27 | 1985-05-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7866185U JPH0339737Y2 (en) | 1985-05-27 | 1985-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61193376U true JPS61193376U (en) | 1986-12-02 |
JPH0339737Y2 JPH0339737Y2 (en) | 1991-08-21 |
Family
ID=30622840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7866185U Expired JPH0339737Y2 (en) | 1985-05-27 | 1985-05-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0339737Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01279396A (en) * | 1988-05-02 | 1989-11-09 | Asahi Kinzoku Seiko Kk | Moving direction discriminating system |
JPH03113495U (en) * | 1990-03-06 | 1991-11-20 |
-
1985
- 1985-05-27 JP JP7866185U patent/JPH0339737Y2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01279396A (en) * | 1988-05-02 | 1989-11-09 | Asahi Kinzoku Seiko Kk | Moving direction discriminating system |
JPH03113495U (en) * | 1990-03-06 | 1991-11-20 |
Also Published As
Publication number | Publication date |
---|---|
JPH0339737Y2 (en) | 1991-08-21 |