CH549313A - Eigensichere logische verknuepfungsschaltungsanordnung fuer gleichspannungssignale, insbesondere fuer eisenbahnsicherungsanlagen. - Google Patents
Eigensichere logische verknuepfungsschaltungsanordnung fuer gleichspannungssignale, insbesondere fuer eisenbahnsicherungsanlagen.Info
- Publication number
- CH549313A CH549313A CH1577971A CH1577971A CH549313A CH 549313 A CH549313 A CH 549313A CH 1577971 A CH1577971 A CH 1577971A CH 1577971 A CH1577971 A CH 1577971A CH 549313 A CH549313 A CH 549313A
- Authority
- CH
- Switzerland
- Prior art keywords
- voltage signals
- intrinsically safe
- safety systems
- wiring arrangement
- railway safety
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
- H03K3/2893—Bistables with hysteresis, e.g. Schmitt trigger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
- B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
- B61L7/068—Protection against eddy-currents, short-circuits, or the like, for electric safety arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/007—Fail-safe circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702055262 DE2055262A1 (de) | 1970-11-10 | 1970-11-10 | Eigensichere logische Verknüpfungsschaltung für Gleichspannungssignale, insbesondere für Eisenbahnsicherungsanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH549313A true CH549313A (de) | 1974-05-15 |
Family
ID=5787699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1577971A CH549313A (de) | 1970-11-10 | 1971-10-29 | Eigensichere logische verknuepfungsschaltungsanordnung fuer gleichspannungssignale, insbesondere fuer eisenbahnsicherungsanlagen. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH549313A (de) |
| DE (1) | DE2055262A1 (de) |
-
1970
- 1970-11-10 DE DE19702055262 patent/DE2055262A1/de active Pending
-
1971
- 1971-10-29 CH CH1577971A patent/CH549313A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2055262A1 (de) | 1972-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |