JPH0382477U - - Google Patents
Info
- Publication number
- JPH0382477U JPH0382477U JP14088689U JP14088689U JPH0382477U JP H0382477 U JPH0382477 U JP H0382477U JP 14088689 U JP14088689 U JP 14088689U JP 14088689 U JP14088689 U JP 14088689U JP H0382477 U JPH0382477 U JP H0382477U
- Authority
- JP
- Japan
- Prior art keywords
- radio waves
- pulse train
- theft device
- train signal
- receiving
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14088689U JPH0382477U (ar) | 1989-12-05 | 1989-12-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14088689U JPH0382477U (ar) | 1989-12-05 | 1989-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0382477U true JPH0382477U (ar) | 1991-08-22 |
Family
ID=31687827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14088689U Pending JPH0382477U (ar) | 1989-12-05 | 1989-12-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0382477U (ar) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5348499A (en) * | 1976-08-18 | 1978-05-01 | Knogo Corp | Method and device detecting existence of article in searching area |
JPS57206995A (en) * | 1981-06-15 | 1982-12-18 | Sharp Kk | Detection signal transmitter for total indoor security system |
JPS62193229A (ja) * | 1986-02-12 | 1987-08-25 | センサマティック、イレクトラニクス、コーパレイシャン | 電磁素子、強磁性ラベル、磁気素子及び強磁性ラベルの作製法並びに和及び差周波数提供法 |
JPH01121996A (ja) * | 1987-11-06 | 1989-05-15 | Sony Corp | 監視装置 |
-
1989
- 1989-12-05 JP JP14088689U patent/JPH0382477U/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5348499A (en) * | 1976-08-18 | 1978-05-01 | Knogo Corp | Method and device detecting existence of article in searching area |
JPS57206995A (en) * | 1981-06-15 | 1982-12-18 | Sharp Kk | Detection signal transmitter for total indoor security system |
JPS62193229A (ja) * | 1986-02-12 | 1987-08-25 | センサマティック、イレクトラニクス、コーパレイシャン | 電磁素子、強磁性ラベル、磁気素子及び強磁性ラベルの作製法並びに和及び差周波数提供法 |
JPH01121996A (ja) * | 1987-11-06 | 1989-05-15 | Sony Corp | 監視装置 |
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