DE2641856A1 - Anordnung zur ueberwachung mindestens eines geschlossenen raumes - Google Patents
Anordnung zur ueberwachung mindestens eines geschlossenen raumesInfo
- Publication number
- DE2641856A1 DE2641856A1 DE19762641856 DE2641856A DE2641856A1 DE 2641856 A1 DE2641856 A1 DE 2641856A1 DE 19762641856 DE19762641856 DE 19762641856 DE 2641856 A DE2641856 A DE 2641856A DE 2641856 A1 DE2641856 A1 DE 2641856A1
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- transmitter
- arrangement according
- signal
- received
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims description 9
- 238000011156 evaluation Methods 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 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
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1268675A CH595668A5 (cg-RX-API-DMAC7.html) | 1975-09-30 | 1975-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2641856A1 true DE2641856A1 (de) | 1977-04-07 |
Family
ID=4385455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762641856 Pending DE2641856A1 (de) | 1975-09-30 | 1976-09-17 | Anordnung zur ueberwachung mindestens eines geschlossenen raumes |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5243398A (cg-RX-API-DMAC7.html) |
| AT (1) | AT357066B (cg-RX-API-DMAC7.html) |
| BE (1) | BE846153A (cg-RX-API-DMAC7.html) |
| BR (1) | BR7606514A (cg-RX-API-DMAC7.html) |
| CH (1) | CH595668A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2641856A1 (cg-RX-API-DMAC7.html) |
| DK (1) | DK437176A (cg-RX-API-DMAC7.html) |
| ES (1) | ES451130A1 (cg-RX-API-DMAC7.html) |
| FI (1) | FI762481A7 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2326749A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1554880A (cg-RX-API-DMAC7.html) |
| NL (1) | NL7609139A (cg-RX-API-DMAC7.html) |
| NO (1) | NO762694L (cg-RX-API-DMAC7.html) |
| SE (1) | SE7608698L (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA764670B (cg-RX-API-DMAC7.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608674A (en) * | 1982-08-06 | 1986-08-26 | American District Telegraph Company | Constant range ultrasonic motion detector |
| CH702416A2 (de) * | 2009-12-21 | 2011-06-30 | Glasfreunde Gmbh | Einrichtung zur Detektion von Glasbeschädigung bei Isolierverglasung. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721972A (en) * | 1972-02-22 | 1973-03-20 | Seabord Electric | Ultrasonic burglar alarm system |
-
1975
- 1975-09-30 CH CH1268675A patent/CH595668A5/xx not_active IP Right Cessation
-
1976
- 1976-08-03 ZA ZA764670A patent/ZA764670B/xx unknown
- 1976-08-03 NO NO762694A patent/NO762694L/no unknown
- 1976-08-03 SE SE7608698A patent/SE7608698L/xx unknown
- 1976-08-17 NL NL7609139A patent/NL7609139A/xx not_active Application Discontinuation
- 1976-08-30 FI FI762481A patent/FI762481A7/fi not_active Application Discontinuation
- 1976-09-01 ES ES451130A patent/ES451130A1/es not_active Expired
- 1976-09-02 JP JP51105400A patent/JPS5243398A/ja active Pending
- 1976-09-13 FR FR7627447A patent/FR2326749A1/fr active Granted
- 1976-09-13 BE BE170598A patent/BE846153A/xx unknown
- 1976-09-17 DE DE19762641856 patent/DE2641856A1/de active Pending
- 1976-09-17 AT AT694276A patent/AT357066B/de not_active IP Right Cessation
- 1976-09-29 BR BR7606514A patent/BR7606514A/pt unknown
- 1976-09-29 DK DK437176A patent/DK437176A/da unknown
- 1976-09-29 GB GB40498/76A patent/GB1554880A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU1659376A (en) | 1978-02-09 |
| NO762694L (cg-RX-API-DMAC7.html) | 1977-03-31 |
| CH595668A5 (cg-RX-API-DMAC7.html) | 1978-02-15 |
| FR2326749A1 (fr) | 1977-04-29 |
| BE846153A (fr) | 1976-12-31 |
| ZA764670B (en) | 1977-07-27 |
| ES451130A1 (es) | 1977-08-16 |
| JPS5243398A (en) | 1977-04-05 |
| ATA694276A (de) | 1979-10-15 |
| DK437176A (da) | 1977-03-31 |
| AT357066B (de) | 1980-06-10 |
| FR2326749B1 (cg-RX-API-DMAC7.html) | 1981-09-25 |
| NL7609139A (nl) | 1977-04-01 |
| GB1554880A (en) | 1979-10-31 |
| BR7606514A (pt) | 1977-06-28 |
| SE7608698L (sv) | 1977-03-31 |
| FI762481A7 (cg-RX-API-DMAC7.html) | 1977-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |