GB1473370A - Intercommunication systems - Google Patents
Intercommunication systemsInfo
- Publication number
- GB1473370A GB1473370A GB3537674A GB3537674A GB1473370A GB 1473370 A GB1473370 A GB 1473370A GB 3537674 A GB3537674 A GB 3537674A GB 3537674 A GB3537674 A GB 3537674A GB 1473370 A GB1473370 A GB 1473370A
- Authority
- GB
- United Kingdom
- Prior art keywords
- station
- wired
- wire
- portable
- transceiver
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/022—Paging systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732341971 DE2341971B2 (de) | 1973-08-20 | 1973-08-20 | Einrichtung zur nachrichtenuebermittlung zwischen einer personenrufanlage und einer drahtgebundenen sprechanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1473370A true GB1473370A (en) | 1977-05-11 |
Family
ID=5890201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3537674A Expired GB1473370A (en) | 1973-08-20 | 1974-08-09 | Intercommunication systems |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2341971B2 (de) |
GB (1) | GB1473370A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2842632A1 (de) * | 1978-09-29 | 1980-04-10 | Siemens AG, 1000 Berlin und 8000 München | Kommunikationssystem fuer ortsgebundene und mobile teilnehmer |
DE2950387C2 (de) * | 1979-12-14 | 1982-06-24 | Siemens AG, 1000 Berlin und 8000 München | Vermittlungssystem mit Personensuchfunktion |
DE4404509A1 (de) * | 1994-02-12 | 1995-08-17 | Deutsche Bundespost Telekom | Anordnung für ein zusätzliches Ruforgan zu einem Telefon in einem Festnetz |
-
1973
- 1973-08-20 DE DE19732341971 patent/DE2341971B2/de not_active Withdrawn
-
1974
- 1974-08-09 GB GB3537674A patent/GB1473370A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2341971A1 (de) | 1975-03-27 |
DE2341971B2 (de) | 1977-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |