JPS624458U - - Google Patents
Info
- Publication number
- JPS624458U JPS624458U JP1985096016U JP9601685U JPS624458U JP S624458 U JPS624458 U JP S624458U JP 1985096016 U JP1985096016 U JP 1985096016U JP 9601685 U JP9601685 U JP 9601685U JP S624458 U JPS624458 U JP S624458U
- Authority
- JP
- Japan
- Prior art keywords
- car
- wave
- vehicle
- reflected
- detection
- 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 4
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図ａ，ｂはそれぞれ本考案の一実施例を示
す側面図と平面図、第２図は同上に使用する超音
波センサの一例を示すブロツク図、第３図はａ，
ｂはそれぞれ従来例を示す側面図と平面図である
。
１は送波器、２は受波器、３は送受波器、５は
車両、８は検知エリアである。
1A and 1B are a side view and a plan view showing an embodiment of the present invention, respectively, FIG. 2 is a block diagram showing an example of an ultrasonic sensor used in the above, and FIGS.
b is a side view and a plan view, respectively, showing a conventional example. 1 is a transmitter, 2 is a receiver, 3 is a transducer, 5 is a vehicle, and 8 is a detection area.
Claims (1)
車内の反射物により反射されて生じる反射波を受
信する送受波器を備え、車内の反射物が移動する
ことにより生じるドツプラ効果である周波数偏移
が検出されたときに警報を報知する車両用防犯装
置において、それぞれ独立した検知エリアを構成
する複数の送受波器が車内の要所に配設されて成
ることを特徴とする車両用防犯装置。 Equipped with a transducer that sends a detection wave into the car and receives the reflected wave that is generated when the detection wave is reflected by a reflective object inside the car. What is claimed is: 1. A vehicle crime prevention device that issues an alarm when detected, comprising a plurality of transducers each forming an independent detection area and arranged at key points inside the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985096016U JPH0529178Y2 (en) | 1985-06-25 | 1985-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985096016U JPH0529178Y2 (en) | 1985-06-25 | 1985-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS624458U true JPS624458U (en) | 1987-01-12 |
| JPH0529178Y2 JPH0529178Y2 (en) | 1993-07-27 |
Family
ID=30655321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985096016U Expired - Lifetime JPH0529178Y2 (en) | 1985-06-25 | 1985-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0529178Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006281843A (en) * | 2005-03-31 | 2006-10-19 | Mazda Motor Corp | Theft preventive device for vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472700A (en) * | 1977-11-21 | 1979-06-11 | Niko Denshi Kk | Method of preventing erroneous operation of ultrasonic doppler alarm |
| JPS55112693A (en) * | 1979-02-22 | 1980-08-30 | Nippon Keibi Hosho Kk | Alram system using ultrasonic wave |
-
1985
- 1985-06-25 JP JP1985096016U patent/JPH0529178Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472700A (en) * | 1977-11-21 | 1979-06-11 | Niko Denshi Kk | Method of preventing erroneous operation of ultrasonic doppler alarm |
| JPS55112693A (en) * | 1979-02-22 | 1980-08-30 | Nippon Keibi Hosho Kk | Alram system using ultrasonic wave |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006281843A (en) * | 2005-03-31 | 2006-10-19 | Mazda Motor Corp | Theft preventive device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0529178Y2 (en) | 1993-07-27 |