NL52050C - - Google Patents
Info
- Publication number
- NL52050C NL52050C NL52050DA NL52050C NL 52050 C NL52050 C NL 52050C NL 52050D A NL52050D A NL 52050DA NL 52050 C NL52050 C NL 52050C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Structure Of Telephone Exchanges (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE491755X | 1936-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52050C true NL52050C (en:Method) |
Family
ID=3870606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52050D NL52050C (en:Method) | 1936-09-18 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE709541C (en:Method) |
| FR (1) | FR827339A (en:Method) |
| GB (1) | GB491755A (en:Method) |
| NL (1) | NL52050C (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2561298A (en) * | 1948-01-30 | 1951-07-17 | Vanheerswynghels Joseph | Impulse transmitter for automatic telephone systems |
| DE1034700B (de) * | 1956-07-25 | 1958-07-24 | Hermann Ries Dipl Ing | Selbstwaehleinrichtung fuer Telefonapparate zur Stromstossgabe fuer die zu waehlende Nummer |
| US3111562A (en) * | 1959-04-07 | 1963-11-19 | Kanda Tsushin Kogyo Kabushiki | Automatic telephone calling system utilizing punched cards |
| DE1256264B (de) * | 1963-09-19 | 1967-12-14 | Holzer Patent Ag | Stromstossgeber, insbesondere fuer Fernsprechanlagen, durch den Fernsprechnummern durch Verstellen einer Nummerneinstellvorrichtung selbsttaetig ausgesendet werden koennen |
-
0
- NL NL52050D patent/NL52050C/xx active
-
1937
- 1937-09-16 FR FR827339D patent/FR827339A/fr not_active Expired
- 1937-09-18 DE DEV34165D patent/DE709541C/de not_active Expired
- 1937-09-20 GB GB25460/37A patent/GB491755A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE709541C (de) | 1941-08-21 |
| FR827339A (fr) | 1938-04-25 |
| GB491755A (en) | 1938-09-08 |