SE355456B - - Google Patents
Info
- Publication number
- SE355456B SE355456B SE1239368A SE1239368A SE355456B SE 355456 B SE355456 B SE 355456B SE 1239368 A SE1239368 A SE 1239368A SE 1239368 A SE1239368 A SE 1239368A SE 355456 B SE355456 B SE 355456B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Air Bags (AREA)
- Particle Accelerators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1537369 | 1967-09-14 | ||
| DE1967S0111801 DE1294468B (de) | 1967-09-14 | 1967-09-14 | Schaltungsanordnung zur Erzeugung von Impulsfolgen mit jeweils unterschiedlicher Impulsfolgefrequenz mittels elektronischer Impulsuntersetzerstufen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE355456B true SE355456B (fi) | 1973-04-16 |
Family
ID=25752772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1239368A SE355456B (fi) | 1967-09-14 | 1968-09-13 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT310819B (fi) |
| BE (1) | BE720842A (fi) |
| CH (1) | CH492349A (fi) |
| DE (1) | DE1294468B (fi) |
| DK (1) | DK127619B (fi) |
| FI (1) | FI54750C (fi) |
| FR (1) | FR1585177A (fi) |
| GB (1) | GB1228393A (fi) |
| NL (1) | NL6812520A (fi) |
| SE (1) | SE355456B (fi) |
| SU (1) | SU473389A3 (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2539692C2 (de) * | 1975-09-06 | 1983-07-21 | Robert Bosch Gmbh, 7000 Stuttgart | Digitales Verfahren zum Erzeugen von Signalspannungen und Anordnung zur Durch- führung des Verfahrens |
-
1967
- 1967-09-14 DE DE1967S0111801 patent/DE1294468B/de not_active Withdrawn
-
1968
- 1968-09-03 NL NL6812520A patent/NL6812520A/xx not_active Application Discontinuation
- 1968-09-10 FR FR1585177D patent/FR1585177A/fr not_active Expired
- 1968-09-12 AT AT889768A patent/AT310819B/de not_active IP Right Cessation
- 1968-09-12 CH CH1366468A patent/CH492349A/de not_active IP Right Cessation
- 1968-09-12 SU SU1275330A patent/SU473389A3/ru active
- 1968-09-13 SE SE1239368A patent/SE355456B/xx unknown
- 1968-09-13 FI FI259368A patent/FI54750C/fi active
- 1968-09-13 DK DK443468A patent/DK127619B/da unknown
- 1968-09-13 GB GB1228393D patent/GB1228393A/en not_active Expired
- 1968-09-13 BE BE720842D patent/BE720842A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1228393A (fi) | 1971-04-15 |
| FI54750B (fi) | 1978-10-31 |
| CH492349A (de) | 1970-06-15 |
| NL6812520A (fi) | 1969-03-18 |
| DK127619B (da) | 1973-12-03 |
| SU473389A3 (ru) | 1975-06-05 |
| FI54750C (fi) | 1979-02-12 |
| AT310819B (de) | 1973-10-25 |
| FR1585177A (fi) | 1970-01-09 |
| BE720842A (fi) | 1969-03-13 |
| DE1294468B (de) | 1969-05-08 |