DE2048173A1 - - Google Patents
Info
- Publication number
- DE2048173A1 DE2048173A1 DE19702048173 DE2048173A DE2048173A1 DE 2048173 A1 DE2048173 A1 DE 2048173A1 DE 19702048173 DE19702048173 DE 19702048173 DE 2048173 A DE2048173 A DE 2048173A DE 2048173 A1 DE2048173 A1 DE 2048173A1
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702048173 DE2048173C (en) | 1970-09-30 | Circuit arrangement for establishing hunt groups in a PCM telephone exchange | |
CH1326271A CH548715A (en) | 1970-09-30 | 1971-09-09 | CIRCUIT ARRANGEMENT FOR ESTABLISHING COLLECTIVE CONNECTIONS IN A PCM TELEPHONE SWITCHING CENTER. |
GB4390671A GB1338820A (en) | 1970-09-30 | 1971-09-21 | Pcm tdm telecommunications exchange systems |
AT830771A AT314623B (en) | 1970-09-30 | 1971-09-24 | Circuit arrangement for establishing hunt groups in a PCM telephone exchange |
LU63974D LU63974A1 (en) | 1970-09-30 | 1971-09-28 | |
IT2925771A IT938855B (en) | 1970-09-30 | 1971-09-29 | CIRCUIT ARRANGEMENT FOR MAKING COLLECTIVE CONNECTIONS IN A POM OSSIA TELEPHONE SWITCHING CENTRAL UNIT WITH PULSE CODE MODULATION |
NL7113375A NL7113375A (en) | 1970-09-30 | 1971-09-29 | |
FR7134988A FR2108675A5 (en) | 1970-09-30 | 1971-09-29 | |
BE773327A BE773327A (en) | 1970-09-30 | 1971-09-30 | ASSEMBLY FOR THE ESTABLISHMENT OF COLLECTIVE COMMUNICATIONS IN A TELEPHONE CENTER WITH MODULATION BY CODE PULSES |
SE1242271A SE366896B (en) | 1970-09-30 | 1971-09-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702048173 DE2048173C (en) | 1970-09-30 | Circuit arrangement for establishing hunt groups in a PCM telephone exchange |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2048173A1 true DE2048173A1 (en) | 1972-05-04 |
DE2048173B2 DE2048173B2 (en) | 1972-05-04 |
DE2048173C DE2048173C (en) | 1972-12-28 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
GB1338820A (en) | 1973-11-28 |
LU63974A1 (en) | 1972-03-01 |
AT314623B (en) | 1974-04-10 |
NL7113375A (en) | 1972-04-05 |
BE773327A (en) | 1972-03-30 |
FR2108675A5 (en) | 1972-05-19 |
SE366896B (en) | 1974-05-06 |
IT938855B (en) | 1973-02-10 |
CH548715A (en) | 1974-04-30 |
DE2048173B2 (en) | 1972-05-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
EHJ | Ceased/non-payment of the annual fee |