JPS6173458U - - Google Patents
Info
- Publication number
- JPS6173458U JPS6173458U JP1984159552U JP15955284U JPS6173458U JP S6173458 U JPS6173458 U JP S6173458U JP 1984159552 U JP1984159552 U JP 1984159552U JP 15955284 U JP15955284 U JP 15955284U JP S6173458 U JPS6173458 U JP S6173458U
- Authority
- JP
- Japan
- Prior art keywords
- accordance
- change
- frequency signal
- object detection
- alarm
- 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 8
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Burglar Alarm Systems (AREA)
Description
第１図は本考案による車両用防犯装置の一実施
例を示す簡略構成図、第２図は同実施例における
物体検知の基本原理を示す電気回路図、第３図は
同実施例における物体検知部の構成を示すブロツ
ク図、第４図は物体検知部における電圧変動検出
回路の具体的な構成例を示すブロツク図、第５図
は電圧変動検出回路における各部信号のタイムチ
ヤートである。
１…センサ、２…物体、３…物体検知部、４…
車載バツテリ、５…電源用バツテリ、３１…発振
器、３２…ネツトワーク、３３…帯域ろ波増幅器
、３４…検波器、３５…電圧変動検出回路、３６
…ドライバ、３７…警報器。
Fig. 1 is a simplified configuration diagram showing an embodiment of the vehicle security device according to the present invention, Fig. 2 is an electric circuit diagram showing the basic principle of object detection in the same embodiment, and Fig. 3 is an object detection diagram in the same embodiment. FIG. 4 is a block diagram showing a specific example of the structure of the voltage fluctuation detection circuit in the object detection section, and FIG. 5 is a time chart of signals of each part in the voltage fluctuation detection circuit. 1...Sensor, 2...Object, 3...Object detection section, 4...
Vehicle battery, 5... Power supply battery, 31... Oscillator, 32... Network, 33... Bandpass filter amplifier, 34... Detector, 35... Voltage fluctuation detection circuit, 36
...Driver, 37...Alarm.
Claims (1)
容量の変化を周波数信号の変化に置換する手段と
、その周波数信号の減衰に応じて物体の接近状態
を検知する手段と、その物体検知信号に応じて警
報を発する手段とによつて構成された車両用防犯
装置。 A means for replacing a change in stray capacitance between a vehicle body and an object to be detected with a change in a frequency signal, a means for detecting an approaching state of an object in accordance with attenuation of the frequency signal, and a means in accordance with the object detection signal. A vehicle crime prevention device comprising means for emitting an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984159552U JPS6173458U (en) | 1984-10-22 | 1984-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984159552U JPS6173458U (en) | 1984-10-22 | 1984-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6173458U true JPS6173458U (en) | 1986-05-19 |
Family
ID=30717504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984159552U Pending JPS6173458U (en) | 1984-10-22 | 1984-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6173458U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5622036A (en) * | 1979-07-31 | 1981-03-02 | Shimadzu Corp | X-ray tube device |
| JPS5922630U (en) * | 1982-08-03 | 1984-02-13 | 株式会社ときわ工業 | tea filter paper |
-
1984
- 1984-10-22 JP JP1984159552U patent/JPS6173458U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5622036A (en) * | 1979-07-31 | 1981-03-02 | Shimadzu Corp | X-ray tube device |
| JPS5922630U (en) * | 1982-08-03 | 1984-02-13 | 株式会社ときわ工業 | tea filter paper |
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