NL6611884A - - Google Patents
Info
- Publication number
- NL6611884A NL6611884A NL6611884A NL6611884A NL6611884A NL 6611884 A NL6611884 A NL 6611884A NL 6611884 A NL6611884 A NL 6611884A NL 6611884 A NL6611884 A NL 6611884A NL 6611884 A NL6611884 A NL 6611884A
- Authority
- NL
- Netherlands
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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (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 |
|---|---|
| NL6611884A true NL6611884A (forum.php) | 1967-02-27 |
Family
ID=7460058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6611884A NL6611884A (forum.php) | 1965-08-24 | 1966-08-24 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE685898A (forum.php) |
| CH (1) | CH443410A (forum.php) |
| NL (1) | NL6611884A (forum.php) |
-
1966
- 1966-08-24 CH CH1223766A patent/CH443410A/de unknown
- 1966-08-24 NL NL6611884A patent/NL6611884A/xx unknown
- 1966-08-24 BE BE685898D patent/BE685898A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH443410A (de) | 1967-09-15 |
| BE685898A (forum.php) | 1967-02-24 |