Pressure detector
Abstract
The pressure transducer is provided with a metallic housing which has a closed pressure chamber (7) with a membrane (8) which separates it from the outer region and absorbs its pressure. Furthermore, sensors exposed to the pressure are arranged in the pressure chamber, which can be connected to an evaluation circuit by way of feedthroughs, possibly pressure-tight and electrically isolated. Here, a bar magnet located in the pressure chamber (7) is arranged on the type of membrane and at least two sensors (10) are provided, each of which is designed as a Hall element (10) with an active plane and extends with play up to the bar magnet (15). The Hall elements (l0) are arranged in differential circuit one behind the other
Term
Term ended
Projected expiry passed 28 April 2007, 19.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0088270A2 | Cites | European Patent Office (EPO) | A | Search report |
| DE2913935A1 | Cites | Germany | A | Search report |
| DE2946515A1 | Cites | Germany | A | Search report |
| US4581941A | Cites | United States of America | A | Search report |
| WO8201068A1 | Cites | World Intellectual Property Organization (WIPO) | A | Search report |
4 priority claims, no other members on record
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 8612317 | Germany | U | |
| 8612317U | Germany | – | |
| 8612317 | – | – | – |
| DE19860012317U | – | – | – |
8 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| Designated contracting statesAK | AK | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 0244736
- Publication, DOCDB
- 0244736
- Publication, EPODOC
- EP0244736
- Application
- 87106137
- Application, DOCDB
- 87106137
- Application, EPODOC
- EP19870106137
Titles3
- English
- Pressure detector
- German
- Druckaufnehmer
- French
- Capteur de pression
Classification
- CPC, 1
- G01L9/14
- IPC, 1
- G01L9 14
Designated states13
- Contracting states, 13
- Austria
- Belgium
- Switzerland
- Germany
- Spain
- France
- United Kingdom
- Greece
- Italy
- Liechtenstein
- Luxembourg
- Netherlands (Kingdom of the)
- Sweden