JPS5520272B2 - - Google Patents
Info
- Publication number
- JPS5520272B2 JPS5520272B2 JP920976A JP920976A JPS5520272B2 JP S5520272 B2 JPS5520272 B2 JP S5520272B2 JP 920976 A JP920976 A JP 920976A JP 920976 A JP920976 A JP 920976A JP S5520272 B2 JPS5520272 B2 JP S5520272B2
- 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
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/04—Mechanical actuation by breaking of glass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/545,388 US4023156A (en) | 1975-01-30 | 1975-01-30 | Alarm system for detecting disturbance of a solid medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51102600A JPS51102600A (en:Method) | 1976-09-10 |
| JPS5520272B2 true JPS5520272B2 (en:Method) | 1980-05-31 |
Family
ID=24176010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP920976A Expired JPS5520272B2 (en:Method) | 1975-01-30 | 1976-01-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4023156A (en:Method) |
| JP (1) | JPS5520272B2 (en:Method) |
| DE (1) | DE2603593B2 (en:Method) |
| GB (1) | GB1531827A (en:Method) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112420A (en) * | 1975-07-31 | 1978-09-05 | Matsushita Electric Industrial Company Limited | Apparatus for detecting the breakage of an acoustically conductive medium |
| DE2646160C2 (de) * | 1975-12-08 | 1983-12-22 | Cerberus AG, 8708 Männedorf, Zürich | Verfahren und Vorrichtung zur Überwachung schalleitender Medien |
| US4149156A (en) * | 1977-06-10 | 1979-04-10 | Leonard Blasucci | Window alarm employing a releasably mounted plunger switch |
| US4213196A (en) * | 1978-02-21 | 1980-07-15 | Matsushita Electric Works, Ltd. | Ultrasonic type motion detector |
| US4414652A (en) * | 1981-06-26 | 1983-11-08 | Honeywell, Inc. | Ultrasonic line sensor |
| US4928085A (en) * | 1983-02-23 | 1990-05-22 | Bluegrass Electronics, Inc. | Pressure change intrusion detector |
| GB2143976A (en) * | 1983-07-14 | 1985-02-20 | Shorrock Security Systems Ltd | Window glass breakage detector apparatus |
| DE3529402C1 (de) * | 1985-08-16 | 1986-12-18 | f + g megamos Sicherheitselektronik GmbH, 5250 Engelskirchen | Verfahren zum Überwachen des Zustandes von Räumen |
| US4935723A (en) * | 1989-08-21 | 1990-06-19 | General Electric Company | Polymeric security window |
| GB9005751D0 (en) * | 1990-03-14 | 1990-05-09 | Geoquip Ltd | Intrusion detection system and signal processing circuitry therefor |
| CA2060485C (en) * | 1991-02-05 | 2003-01-07 | Ruggero Cadossi | Contact detecting and signaling device |
| US6701673B1 (en) * | 1992-05-13 | 2004-03-09 | Brose Fahrzeugteile Gmbh & Co. Kg | Openable and closable motor vehicle window |
| US5506566A (en) * | 1993-05-06 | 1996-04-09 | Northern Telecom Limited | Tamper detectable electronic security package |
| TW241352B (en) * | 1994-03-30 | 1995-02-21 | Whitaker Corp | Reflective mode ultrasonic touch sensitive switch |
| DE29716609U1 (de) * | 1997-09-16 | 1997-11-20 | FRABA Sicherheitssysteme GmbH, 51063 Köln | Schaltmatte |
| US7281667B2 (en) * | 2005-04-14 | 2007-10-16 | International Business Machines Corporation | Method and structure for implementing secure multichip modules for encryption applications |
| US20130199095A1 (en) * | 2010-09-24 | 2013-08-08 | Nec Corporation | Crime prevention device, crime prevention system and method for determining state of opening/closing body |
| US11604168B2 (en) * | 2019-12-03 | 2023-03-14 | Pella Corporation | Fenestration unit demonstration methods and systems |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR956771A (en:Method) * | 1944-10-07 | 1950-02-07 | ||
| US2935728A (en) * | 1946-02-15 | 1960-05-03 | Rca Corp | Underwater object locator |
| US3487396A (en) * | 1966-03-11 | 1969-12-30 | Franklin M Perelman | Intrusion vibration detector with ambient noise compensator |
| US3760400A (en) * | 1972-02-10 | 1973-09-18 | Aerospace Res | Intrusion detection system employing quadrature sampling |
| JPS4958282U (en:Method) * | 1972-08-28 | 1974-05-22 | ||
| JPS4958283U (en:Method) * | 1972-08-28 | 1974-05-22 | ||
| US3863240A (en) * | 1972-12-08 | 1975-01-28 | Aerospace Res | Electromagnetic intrusion detection system |
| US3845461A (en) * | 1973-06-25 | 1974-10-29 | Honeywell Inc | Intrusion detection system |
| CH557068A (de) * | 1973-07-10 | 1974-12-13 | Cerberus Ag | Verfahren und vorrichtung zur ueberwachung wenigstens eines schalleitenden mediums. |
| US3889250A (en) * | 1973-10-15 | 1975-06-10 | Gulf & Western Mfg Co | Active frequency-responsive glass breakage detector |
-
1975
- 1975-01-30 US US05/545,388 patent/US4023156A/en not_active Expired - Lifetime
-
1976
- 1976-01-26 GB GB2860/76A patent/GB1531827A/en not_active Expired
- 1976-01-30 JP JP920976A patent/JPS5520272B2/ja not_active Expired
- 1976-01-30 DE DE2603593A patent/DE2603593B2/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1531827A (en) | 1978-11-08 |
| DE2603593B2 (de) | 1979-09-27 |
| DE2603593A1 (de) | 1976-08-05 |
| US4023156A (en) | 1977-05-10 |
| JPS51102600A (en:Method) | 1976-09-10 |
| AU1061476A (en) | 1977-08-04 |