NL7113749A - - Google Patents
Info
- Publication number
- NL7113749A NL7113749A NL7113749A NL7113749A NL7113749A NL 7113749 A NL7113749 A NL 7113749A NL 7113749 A NL7113749 A NL 7113749A NL 7113749 A NL7113749 A NL 7113749A NL 7113749 A NL7113749 A NL 7113749A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7113749A NL7113749A (en) | 1971-10-07 | 1971-10-07 | |
| DE19722247417 DE2247417B2 (en) | 1971-10-07 | 1972-09-27 | PBX with MFC dialling - has tone-to-pulse conversion and special low pass from exchange to outgoing line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7113749A NL7113749A (en) | 1971-10-07 | 1971-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7113749A true NL7113749A (en) | 1973-04-10 |
Family
ID=19814195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7113749A NL7113749A (en) | 1971-10-07 | 1971-10-07 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2247417B2 (en) |
| NL (1) | NL7113749A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2611375C3 (en) * | 1976-03-18 | 1981-12-10 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Circuit arrangement for touch dialing of extension subscriber sets to local exchanges in telecommunication systems, in particular telephone systems |
| DE2720588C2 (en) * | 1977-05-07 | 1983-03-17 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Circuit arrangement for a telephone exchange with touch dialing subscribers and a connection traffic to a remote system that requires the implementation of touch dialing codes |
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1971
- 1971-10-07 NL NL7113749A patent/NL7113749A/xx unknown
-
1972
- 1972-09-27 DE DE19722247417 patent/DE2247417B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE2247417B2 (en) | 1975-12-18 |
| DE2247417A1 (en) | 1973-04-12 |