BE566672A - - Google Patents
Info
- Publication number
- BE566672A BE566672A BE566672DA BE566672A BE 566672 A BE566672 A BE 566672A BE 566672D A BE566672D A BE 566672DA BE 566672 A BE566672 A BE 566672A
- Authority
- BE
- Belgium
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
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
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- 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
-
- 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
- H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US659063A US2966551A (en) | 1957-05-14 | 1957-05-14 | Public announcing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE566672A true BE566672A (US07608600-20091027-C00054.png) |
Family
ID=24643879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE566672D BE566672A (US07608600-20091027-C00054.png) | 1957-05-14 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2966551A (US07608600-20091027-C00054.png) |
| BE (1) | BE566672A (US07608600-20091027-C00054.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3111561A (en) * | 1959-11-23 | 1963-11-19 | American Telephone & Telegraph | Intercept equipment |
| US3199226A (en) * | 1961-09-29 | 1965-08-10 | Chester Electronic Lab Inc | Teaching machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2385968A (en) * | 1945-10-02 | Telephone exchange system | ||
| US1670252A (en) * | 1920-09-22 | 1928-05-15 | Automatic Electric Inc | Automatic telephone system |
| US2207855A (en) * | 1938-12-03 | 1940-07-16 | John L Franklin | Phonographic announcing mechanism and system |
| US2213511A (en) * | 1939-10-31 | 1940-09-03 | Bell Telephone Labor Inc | Telephone system |
| US2764636A (en) * | 1952-02-27 | 1956-09-25 | Bell Telephone Labor Inc | Dial telephone system arranged for operator or machine announcement on intercepted calls |
| US2774822A (en) * | 1952-08-02 | 1956-12-18 | Bell Telephone Labor Inc | Communication system |
| US2833863A (en) * | 1953-01-13 | 1958-05-06 | Nederlanden Staat | Recoding equipment in an automatic communication system |
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0
- BE BE566672D patent/BE566672A/xx unknown
-
1957
- 1957-05-14 US US659063A patent/US2966551A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2966551A (en) | 1960-12-27 |
