JPS5411826Y2 - - Google Patents
Info
- Publication number
- JPS5411826Y2 JPS5411826Y2 JP1971071230U JP7123071U JPS5411826Y2 JP S5411826 Y2 JPS5411826 Y2 JP S5411826Y2 JP 1971071230 U JP1971071230 U JP 1971071230U JP 7123071 U JP7123071 U JP 7123071U JP S5411826 Y2 JPS5411826 Y2 JP S5411826Y2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2494—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field by interference with electro-magnetic field distribution combined with other electrical sensor means, e.g. microwave detectors combined with other sensor means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Aerials With Secondary Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971071230U JPS5411826Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-09 | 1971-08-09 | |
| US00231214A US3852735A (en) | 1971-08-09 | 1972-03-02 | Alarm apparatus utilizing high frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971071230U JPS5411826Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-09 | 1971-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4828389U JPS4828389U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-06 |
| JPS5411826Y2 true JPS5411826Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-05-25 |
Family
ID=27969209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1971071230U Expired JPS5411826Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-09 | 1971-08-09 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3852735A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPS5411826Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5515946Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-12-06 | 1980-04-14 | ||
| JPS5820741B2 (ja) * | 1978-10-14 | 1983-04-25 | ファナック株式会社 | マシニングセンタの工具交換機構 |
| US4630110A (en) * | 1984-02-15 | 1986-12-16 | Supervision Control Systems, Inc. | Surveillance system |
| IT1195131B (it) * | 1986-08-08 | 1988-10-12 | Elkron Spa | Dispositivo di sorveglianza con elementi sensori all infrarosso ed a radiofrequenza |
| US4888579A (en) * | 1988-09-16 | 1989-12-19 | Minnesota Mining And Manufacturing Company | False alarm minimization and direction determination methods |
| AU5150193A (en) * | 1992-10-07 | 1994-04-26 | Octrooibureau Kisch N.V. | Apparatus and a method for classifying movement of objects along a passage |
| US5606364A (en) * | 1994-03-30 | 1997-02-25 | Samsung Aerospace Industries, Ltd. | Surveillance system for processing a plurality of signals with a single processor |
| US9129494B2 (en) * | 2012-12-13 | 2015-09-08 | Southern Imperial, Inc. | Alarming pusher system |
| US10885753B2 (en) | 2018-03-21 | 2021-01-05 | Fasteners For Retail, Inc. | Anti-theft device with remote alarm feature |
| US10993550B2 (en) | 2018-03-21 | 2021-05-04 | Fasteners For Retail, Inc. | Anti-theft retail merchandise pusher with remote alarm feature |
| EP4524069A3 (en) | 2019-04-05 | 2025-04-30 | Fasteners for Retail, Inc. | Anti-theft pusher with incremental distance detection |
| US11154143B2 (en) | 2019-09-30 | 2021-10-26 | Fasteners For Retail, Inc. | Anti-theft hook with integrated loss prevention functionality |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2767393A (en) * | 1953-08-03 | 1956-10-16 | Kidde & Co Walter | Approach alarm system with unwanted signal elimination |
| USRE25100E (en) * | 1954-04-13 | 1961-12-19 | chapin | |
| US2979706A (en) * | 1956-07-02 | 1961-04-11 | Avery H Simon | Radio warning system |
| US3129415A (en) * | 1961-01-03 | 1964-04-14 | Westinghouse Electric Corp | Proximity detector |
| US3483437A (en) * | 1965-10-23 | 1969-12-09 | Robertshaw Controls Co | Detecting switch means |
| US3634846A (en) * | 1969-04-09 | 1972-01-11 | Max Fogiel | Intrusion and fire detection system |
| US3706961A (en) * | 1969-05-02 | 1972-12-19 | Nippon Electronics Co Ltd | Automatic alarm system |
| US3673590A (en) * | 1969-10-08 | 1972-06-27 | Corvonics Corp | Device to detect motion |
| US3644918A (en) * | 1969-12-16 | 1972-02-22 | Detection Systems Inc | Integrating circuit using a programmable unijunction transistor |
| US3727216A (en) * | 1971-01-28 | 1973-04-10 | Mosler Safe Co | Electromagnetic and ultrasonic doppler correlation intrusion alarm system |
| US3728721A (en) * | 1971-01-28 | 1973-04-17 | Mosler Safe Co | Differential doppler detection for rf intruder alarm systems |
-
1971
- 1971-08-09 JP JP1971071230U patent/JPS5411826Y2/ja not_active Expired
-
1972
- 1972-03-02 US US00231214A patent/US3852735A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3852735A (en) | 1974-12-03 |
| JPS4828389U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-06 |