DE3908075C2 - - Google Patents
Info
- Publication number
- DE3908075C2 DE3908075C2 DE3908075A DE3908075A DE3908075C2 DE 3908075 C2 DE3908075 C2 DE 3908075C2 DE 3908075 A DE3908075 A DE 3908075A DE 3908075 A DE3908075 A DE 3908075A DE 3908075 C2 DE3908075 C2 DE 3908075C2
- Authority
- DE
- Germany
- Prior art keywords
- transmission element
- transmitter
- intrinsically safe
- elements
- receiver
- 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
- 230000005540 biological transmission Effects 0.000 claims description 55
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000002360 explosive Substances 0.000 claims description 9
- 239000000969 carrier Substances 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000005065 mining Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/302—Measuring, signaling or indicating specially adapted for machines for slitting or completely freeing the mineral
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3908075A DE3908075A1 (de) | 1989-03-13 | 1989-03-13 | Einrichtung zur eigensicheren galvanisch getrennten signaluebertragung bei walzenladern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3908075A DE3908075A1 (de) | 1989-03-13 | 1989-03-13 | Einrichtung zur eigensicheren galvanisch getrennten signaluebertragung bei walzenladern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3908075A1 DE3908075A1 (de) | 1990-09-20 |
| DE3908075C2 true DE3908075C2 (enExample) | 1992-03-12 |
Family
ID=6376204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3908075A Granted DE3908075A1 (de) | 1989-03-13 | 1989-03-13 | Einrichtung zur eigensicheren galvanisch getrennten signaluebertragung bei walzenladern |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3908075A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29908588U1 (de) | 1999-05-14 | 1999-08-05 | Flowcomp Systemtechnik GmbH, 44357 Dortmund | Eigensichere optische Datenübertragung |
| WO2007129031A1 (en) | 2006-05-05 | 2007-11-15 | Pepperl & Fuchs (De) | Data signal isolation apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2126025B (en) * | 1982-08-14 | 1986-01-15 | Dresser Europe Sa | Power supply system and mining machine incorporating such system |
-
1989
- 1989-03-13 DE DE3908075A patent/DE3908075A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3908075A1 (de) | 1990-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8339 | Ceased/non-payment of the annual fee |