BE685898A - - Google Patents
Info
- Publication number
- BE685898A BE685898A BE685898DA BE685898A BE 685898 A BE685898 A BE 685898A BE 685898D A BE685898D A BE 685898DA BE 685898 A BE685898 A BE 685898A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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
- H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST024309 | 1965-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE685898A true BE685898A (da) | 1967-02-24 |
Family
ID=7460058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE685898D BE685898A (da) | 1965-08-24 | 1966-08-24 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE685898A (da) |
| CH (1) | CH443410A (da) |
| NL (1) | NL6611884A (da) |
-
1966
- 1966-08-24 NL NL6611884A patent/NL6611884A/xx unknown
- 1966-08-24 BE BE685898D patent/BE685898A/xx unknown
- 1966-08-24 CH CH1223766A patent/CH443410A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6611884A (da) | 1967-02-27 |
| CH443410A (de) | 1967-09-15 |