FR2161906A1 - - Google Patents
Info
- Publication number
- FR2161906A1 FR2161906A1 FR7235104A FR7235104A FR2161906A1 FR 2161906 A1 FR2161906 A1 FR 2161906A1 FR 7235104 A FR7235104 A FR 7235104A FR 7235104 A FR7235104 A FR 7235104A FR 2161906 A1 FR2161906 A1 FR 2161906A1
- Authority
- FR
- France
- 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
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/20—Actuation by change of fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18610971A | 1971-10-04 | 1971-10-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2161906A1 true FR2161906A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-07-13 |
| FR2161906B1 FR2161906B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-07-29 |
Family
ID=22683692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7235104A Expired FR2161906B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-10-04 | 1972-10-04 |
Country Status (6)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935567A (en) * | 1974-04-08 | 1976-01-27 | Reynolds David E | Leak detection apparatus |
| US4400695A (en) * | 1977-10-07 | 1983-08-23 | The United States Of America As Represented By The Secretary Of The Army | Electronic intruder detection system |
| US4187501A (en) * | 1977-10-07 | 1980-02-05 | The United States Of America As Represented By The Secretary Of The Army | Electronic intruder detection system |
| DE2909112A1 (de) * | 1979-03-08 | 1980-09-18 | Sachs Systemtechnik Gmbh | Alarmanlage |
| US4566008A (en) * | 1982-06-29 | 1986-01-21 | Solid State Devices, Inc. | Fault detecting circuit and method for a vehicle detector system |
| US4480473A (en) * | 1983-05-26 | 1984-11-06 | General Motors Corporation | Acoustic inspection method |
| US5406258A (en) * | 1994-04-26 | 1995-04-11 | The United States Of America As Represented By The United States Department Of Energy | Pressurized security barrier and alarm system |
| ITMI20011083A1 (it) * | 2001-05-23 | 2002-11-23 | Iniziativa Ct Sud S R L | Dispositivo per l'igiene dentale |
| CN103556681A (zh) * | 2013-11-15 | 2014-02-05 | 卢云飞 | 供水管网区间压力智能补偿系统 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1576035A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-08-24 | 1969-07-25 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3358788A (en) * | 1963-07-25 | 1967-12-19 | Dresser Ind | Method and apparatus for acoustic cement bond logging |
| US3304546A (en) * | 1964-11-16 | 1967-02-14 | Puregas Equipment Corp | Leak detector for pressurized cable |
| US3438021A (en) * | 1965-07-26 | 1969-04-08 | Westinghouse Electric Corp | Perimeter intrusion alarm |
| US3346067A (en) * | 1966-03-16 | 1967-10-10 | Bell Telephone Labor Inc | System for determining acoustic reflection coefficients |
| FR1480363A (fr) * | 1966-03-31 | 1967-05-12 | Trefimetaux | Procédé et dispositif pour la détection automatique des fuites sur les câbles électriques à pression de liquide |
| GB1129428A (en) * | 1967-06-23 | 1968-10-02 | Standard Telephones Cables Ltd | Flow supervisory arrangement |
| US3600674A (en) * | 1969-04-02 | 1971-08-17 | Chevron Res | Method of determining leaks from buried pipelines using a time-sharing transmission line |
| BE756000A (fr) * | 1969-09-15 | 1971-02-15 | Westinghouse Electric Corp | Appareil de securite perfectionne sensible a la pression |
-
1971
- 1971-10-04 US US00186109A patent/US3753260A/en not_active Expired - Lifetime
-
1972
- 1972-08-25 GB GB3979272A patent/GB1389273A/en not_active Expired
- 1972-09-29 DE DE19722247834 patent/DE2247834A1/de active Pending
- 1972-10-02 JP JP47098113A patent/JPS4845280A/ja active Pending
- 1972-10-03 NL NL7213353A patent/NL7213353A/xx unknown
- 1972-10-04 FR FR7235104A patent/FR2161906B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1576035A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-08-24 | 1969-07-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2161906B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-07-29 |
| US3753260A (en) | 1973-08-14 |
| JPS4845280A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-28 |
| DE2247834A1 (de) | 1973-04-12 |
| GB1389273A (en) | 1975-04-03 |
| NL7213353A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |