NL6613506A - - Google Patents
Info
- Publication number
- NL6613506A NL6613506A NL6613506A NL6613506A NL6613506A NL 6613506 A NL6613506 A NL 6613506A NL 6613506 A NL6613506 A NL 6613506A NL 6613506 A NL6613506 A NL 6613506A NL 6613506 A NL6613506 A NL 6613506A
- 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
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1481965A CH430809A (de) | 1965-10-27 | 1965-10-27 | Sendeeinrichtung für Mehrfrequenz-Codewahl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6613506A true NL6613506A (en:Method) | 1967-04-28 |
Family
ID=4404067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6613506A NL6613506A (en:Method) | 1965-10-27 | 1966-09-23 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH430809A (en:Method) |
| DE (1) | DE1282099B (en:Method) |
| NL (1) | NL6613506A (en:Method) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL242923A (en:Method) * | 1958-09-08 | |||
| DE1185665B (de) * | 1963-09-14 | 1965-01-21 | Standard Elektrik Lorenz Ag | Tastengesteuerter Mehrfrequenz-Tongenerator |
-
1965
- 1965-10-27 CH CH1481965A patent/CH430809A/de unknown
-
1966
- 1966-08-29 DE DE1966A0053368 patent/DE1282099B/de active Pending
- 1966-09-23 NL NL6613506A patent/NL6613506A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1282099B (de) | 1968-11-07 |
| CH430809A (de) | 1967-02-28 |