FR406417A - Tamper-proof alarm buzzer - Google Patents
Tamper-proof alarm buzzerInfo
- Publication number
- FR406417A FR406417A FR406417DA FR406417A FR 406417 A FR406417 A FR 406417A FR 406417D A FR406417D A FR 406417DA FR 406417 A FR406417 A FR 406417A
- Authority
- FR
- France
- Prior art keywords
- tamper
- alarm buzzer
- proof alarm
- proof
- buzzer
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR406417T | 1908-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR406417A true FR406417A (en) | 1910-01-29 |
Family
ID=1450815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR406417D Expired FR406417A (en) | 1908-12-07 | 1908-12-07 | Tamper-proof alarm buzzer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR406417A (en) |
-
1908
- 1908-12-07 FR FR406417D patent/FR406417A/en not_active Expired
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