FR2779551B1 - DETECTION AND ALERT SYSTEM - Google Patents
DETECTION AND ALERT SYSTEMInfo
- Publication number
- FR2779551B1 FR2779551B1 FR9805194A FR9805194A FR2779551B1 FR 2779551 B1 FR2779551 B1 FR 2779551B1 FR 9805194 A FR9805194 A FR 9805194A FR 9805194 A FR9805194 A FR 9805194A FR 2779551 B1 FR2779551 B1 FR 2779551B1
- Authority
- FR
- France
- Prior art keywords
- detection
- alert system
- alert
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5437—Wired telephone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5445—Local network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5458—Monitor sensor; Alarm systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5495—Systems for power line communications having measurements and testing channel
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805194A FR2779551B1 (en) | 1998-04-24 | 1998-04-24 | DETECTION AND ALERT SYSTEM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805194A FR2779551B1 (en) | 1998-04-24 | 1998-04-24 | DETECTION AND ALERT SYSTEM |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2779551A1 FR2779551A1 (en) | 1999-12-10 |
FR2779551B1 true FR2779551B1 (en) | 2001-01-05 |
Family
ID=9525662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9805194A Expired - Fee Related FR2779551B1 (en) | 1998-04-24 | 1998-04-24 | DETECTION AND ALERT SYSTEM |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2779551B1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4083041A (en) * | 1974-12-16 | 1978-04-04 | Interroyal Corporation | Ground circuit monitor |
US4477799A (en) * | 1981-12-07 | 1984-10-16 | General Instrument Corporation | Security apparatus with alarm search and verification capability |
GB8719707D0 (en) * | 1987-08-20 | 1987-09-30 | Mitchell S | Security arrangements |
US5136281A (en) * | 1989-01-10 | 1992-08-04 | Electronic Data Systems Corporation | Monitor for remote alarm transmission |
US4893324A (en) * | 1989-02-16 | 1990-01-09 | Scown Kenneth M | Portable fire detection system |
FR2652222B1 (en) * | 1989-09-15 | 1996-05-24 | Francois Girard | DEVICE FOR REMOTE MONITORING OF THE POWER SUPPLY OF AN ELECTRICAL APPARATUS. |
JPH05207172A (en) * | 1992-01-29 | 1993-08-13 | Sharp Corp | Information transmission system |
JPH08172490A (en) * | 1994-12-19 | 1996-07-02 | Mitsubishi Denki Eng Kk | Image monitoring security system |
-
1998
- 1998-04-24 FR FR9805194A patent/FR2779551B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2779551A1 (en) | 1999-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |