FR2497980B3 - - Google Patents
Info
- Publication number
- FR2497980B3 FR2497980B3 FR8100535A FR8100535A FR2497980B3 FR 2497980 B3 FR2497980 B3 FR 2497980B3 FR 8100535 A FR8100535 A FR 8100535A FR 8100535 A FR8100535 A FR 8100535A FR 2497980 B3 FR2497980 B3 FR 2497980B3
- 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.)
- Expired
Links
Classifications
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100535A FR2497980A1 (en) | 1981-01-14 | 1981-01-14 | Glass breakage detector for burglar alarm - comprises conductor of known resistance adhering to surface of glass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100535A FR2497980A1 (en) | 1981-01-14 | 1981-01-14 | Glass breakage detector for burglar alarm - comprises conductor of known resistance adhering to surface of glass |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2497980A1 FR2497980A1 (en) | 1982-07-16 |
FR2497980B3 true FR2497980B3 (en) | 1983-11-04 |
Family
ID=9254109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8100535A Granted FR2497980A1 (en) | 1981-01-14 | 1981-01-14 | Glass breakage detector for burglar alarm - comprises conductor of known resistance adhering to surface of glass |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2497980A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0203448D0 (en) * | 2002-11-19 | 2002-11-19 | Jan Gullmert | Device for an alarm system for glass panes |
-
1981
- 1981-01-14 FR FR8100535A patent/FR2497980A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2497980A1 (en) | 1982-07-16 |