BE559947A - - Google Patents
Info
- Publication number
- BE559947A BE559947A BE559947DA BE559947A BE 559947 A BE559947 A BE 559947A BE 559947D A BE559947D A BE 559947DA BE 559947 A BE559947 A BE 559947A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/04—Shaping pulses by increasing duration; by decreasing duration
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES49937A DE1021902B (de) | 1956-08-10 | 1956-08-10 | Schaltungsanordnung zur Betaetigung elektromagnetischer Relais durch Steuerimpulse, die kuerzer als die Ansprechzeit des Relais sind fuer Fernmelde-, insbesondere Fernsprechanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE559947A true BE559947A (xx) |
Family
ID=7487524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE559947D BE559947A (xx) | 1956-08-10 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE559947A (xx) |
| CH (1) | CH352715A (xx) |
| DE (1) | DE1021902B (xx) |
| FR (1) | FR1179128A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1094311B (de) * | 1958-01-30 | 1960-12-08 | Ibm Deutschland | Schaltungsanordnung zur Erregung eines Relais mit kurzen Impulsen |
| DE1243738B (de) * | 1962-10-20 | 1967-07-06 | Telefonbau | Schaltungsanordnung zur Steuerung eines Relais durch kurze Impulse |
-
0
- BE BE559947D patent/BE559947A/xx unknown
-
1956
- 1956-08-10 DE DES49937A patent/DE1021902B/de active Pending
-
1957
- 1957-07-18 FR FR1179128D patent/FR1179128A/fr not_active Expired
- 1957-08-02 CH CH352715D patent/CH352715A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1021902B (de) | 1958-01-02 |
| FR1179128A (fr) | 1959-05-21 |
| CH352715A (de) | 1961-03-15 |