GB2189369B - Telephone announcement systems - Google Patents
Telephone announcement systemsInfo
- Publication number
- GB2189369B GB2189369B GB08712000A GB8712000A GB2189369B GB 2189369 B GB2189369 B GB 2189369B GB 08712000 A GB08712000 A GB 08712000A GB 8712000 A GB8712000 A GB 8712000A GB 2189369 B GB2189369 B GB 2189369B
- Authority
- GB
- United Kingdom
- Prior art keywords
- announcement systems
- telephone announcement
- telephone
- systems
- announcement
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
- H04M3/4872—Non-interactive information services
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Exchange Systems With Centralized Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08712000A GB2189369B (en) | 1987-05-21 | 1987-05-21 | Telephone announcement systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08712000A GB2189369B (en) | 1987-05-21 | 1987-05-21 | Telephone announcement systems |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8712000D0 GB8712000D0 (en) | 1987-06-24 |
GB2189369A GB2189369A (en) | 1987-10-21 |
GB2189369B true GB2189369B (en) | 1988-07-20 |
Family
ID=10617687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08712000A Expired GB2189369B (en) | 1987-05-21 | 1987-05-21 | Telephone announcement systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2189369B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4899369A (en) * | 1989-05-05 | 1990-02-06 | Nynex | Radio-analogue method of audio presentation and control for audiotex services |
-
1987
- 1987-05-21 GB GB08712000A patent/GB2189369B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8712000D0 (en) | 1987-06-24 |
GB2189369A (en) | 1987-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
737A | Proceeding under section 37(1) patents act 1977 | ||
737C | Proceeding under section 37 of the patents act 1977 | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
737A | Proceeding under section 37(1) patents act 1977 | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930521 |