DE3043912C2 - - Google Patents
Info
- Publication number
- DE3043912C2 DE3043912C2 DE19803043912 DE3043912A DE3043912C2 DE 3043912 C2 DE3043912 C2 DE 3043912C2 DE 19803043912 DE19803043912 DE 19803043912 DE 3043912 A DE3043912 A DE 3043912A DE 3043912 C2 DE3043912 C2 DE 3043912C2
- Authority
- DE
- Germany
- Prior art keywords
- resistor
- glass break
- alarm
- break detector
- detector according
- 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
- 239000011521 glass Substances 0.000 claims description 37
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000011156 evaluation Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 description 8
- 230000011664 signaling Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803043912 DE3043912A1 (de) | 1980-11-21 | 1980-11-21 | Glasbruchmelder mit abgesetzter auswerteelektronik |
DE19813121705 DE3121705A1 (de) | 1980-11-21 | 1981-06-01 | Glasbruchmelder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803043912 DE3043912A1 (de) | 1980-11-21 | 1980-11-21 | Glasbruchmelder mit abgesetzter auswerteelektronik |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3043912A1 DE3043912A1 (de) | 1982-07-01 |
DE3043912C2 true DE3043912C2 (enrdf_load_stackoverflow) | 1990-06-13 |
Family
ID=6117269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803043912 Granted DE3043912A1 (de) | 1980-11-21 | 1980-11-21 | Glasbruchmelder mit abgesetzter auswerteelektronik |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3043912A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3809752A1 (de) * | 1988-03-23 | 1989-10-12 | Zimmer Klaus | Vorrichtung zur ueberwachung von ausstellungsvitrinen |
CN109760613A (zh) * | 2019-01-17 | 2019-05-17 | 浙江永旭科技有限公司 | 一种具有自检功能的集中控制破窗器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1186044A (en) * | 1967-04-25 | 1970-04-02 | Electronic Lab Ltd Formerly El | Alarm Circuit |
GB1402530A (en) * | 1971-12-10 | 1975-08-13 | Microwave & Electronic Syst | Detecting damage to glass |
US3863250A (en) * | 1973-01-30 | 1975-01-28 | Jr Arthur Mccluskey | Glass breakage detector |
JPS52116274A (en) * | 1976-03-25 | 1977-09-29 | Matsushita Electric Ind Co Ltd | Glass plate breakage inspecting apparatus |
CH594943A5 (enrdf_load_stackoverflow) * | 1976-09-09 | 1978-01-31 | Spirig Ernst | |
US4134109A (en) * | 1977-05-16 | 1979-01-09 | Omni Spectra, Inc. | Alarm system responsive to the breaking of glass |
-
1980
- 1980-11-21 DE DE19803043912 patent/DE3043912A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3043912A1 (de) | 1982-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AG | Has addition no. |
Ref country code: DE Ref document number: 3121705 Format of ref document f/p: P |
|
8110 | Request for examination paragraph 44 | ||
Q176 | Request that utility model be ruled invalid withdrawn |
Country of ref document: DE Ref document number: 3121705 |
|
AG | Has addition no. |
Ref country code: DE Ref document number: 3121705 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
AG | Has addition no. |
Ref country code: DE Ref document number: 3121705 Format of ref document f/p: P |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: ALFASYSTEM GMBH HERSTELLUNG UND VERTRIEB VON ELEKT |
|
8339 | Ceased/non-payment of the annual fee |