NL79250C - - Google Patents
Info
- Publication number
- NL79250C NL79250C NL153278A NL153278A NL79250C NL 79250 C NL79250 C NL 79250C NL 153278 A NL153278 A NL 153278A NL 153278 A NL153278 A NL 153278A NL 79250 C NL79250 C NL 79250C
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH277166T | 1949-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL79250C true NL79250C (xx) | 1955-05-16 |
Family
ID=4552814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL153278A NL79250C (xx) | 1949-05-11 | 1950-05-02 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH277166A (xx) |
| DE (1) | DE825856C (xx) |
| FR (1) | FR1017638A (xx) |
| NL (1) | NL79250C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1256714B (de) * | 1964-03-17 | 1967-12-21 | Fritz Heckert Werk Karl Marx S | Bistabile Taktschaltung als Zaehlstufe fuer Relaisketten zum dualen Zaehlen und Speichern von unipolaren Impulsen hoher Impulsfolgefrequenz |
| US5113842A (en) * | 1990-04-26 | 1992-05-19 | Tonka Corporation | Rapid fire ball launcher |
-
1949
- 1949-05-11 CH CH277166D patent/CH277166A/de unknown
-
1950
- 1950-04-23 DE DEA1483A patent/DE825856C/de not_active Expired
- 1950-05-02 NL NL153278A patent/NL79250C/xx active
- 1950-05-11 FR FR1017638D patent/FR1017638A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE825856C (de) | 1951-12-20 |
| FR1017638A (fr) | 1952-12-12 |
| CH277166A (de) | 1951-08-15 |