BE538470A - - Google Patents
Info
- Publication number
- BE538470A BE538470A BE538470DA BE538470A BE 538470 A BE538470 A BE 538470A BE 538470D A BE538470D A BE 538470DA BE 538470 A BE538470 A BE 538470A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- H04M1/6515—Recording arrangements for recording a message from the calling party using magnetic tape
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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
- H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA594682T | |||
| US432770A US2863950A (en) | 1954-05-27 | 1954-05-27 | Telephone service concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE538470A true BE538470A (cs) |
Family
ID=76217582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE538470D BE538470A (cs) | 1954-05-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2863950A (cs) |
| BE (1) | BE538470A (cs) |
| CA (1) | CA594682A (cs) |
| GB (1) | GB795876A (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2984707A (en) * | 1958-01-24 | 1961-05-16 | Lawrence J Semon | Monitor control unit and system for switchboard |
| GB863627A (en) * | 1958-06-06 | 1961-03-22 | Gen Electric Co Ltd | Improvements in or relating to automatic telephone systems |
| US3002054A (en) * | 1958-09-29 | 1961-09-26 | Bell Telephone Labor Inc | Truck concentrator for telephone answering service |
| US3863033A (en) * | 1973-04-30 | 1975-01-28 | Gte Automatic Electric Lab Inc | Step-by-step telephone central exchanges for use with pcm communication networks |
| US4625081A (en) * | 1982-11-30 | 1986-11-25 | Lotito Lawrence A | Automated telephone voice service system |
| US8646045B1 (en) | 2007-07-26 | 2014-02-04 | United Services Automobile Association (Usaa) | Bank speech authentication |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE23054E (en) * | 1948-12-07 | deakin | ||
| US745734A (en) * | 1903-02-26 | 1903-12-01 | Willard M Miner | Multiplex telephony. |
| US1779748A (en) * | 1927-09-28 | 1930-10-28 | Communications Patents Inc | High-speed television system |
| US1922879A (en) * | 1931-12-26 | 1933-08-15 | Associated Electric Lab Inc | Telephone system |
| US2685614A (en) * | 1952-07-02 | 1954-08-03 | William J Curtin | Telephone answering system |
| US2783307A (en) * | 1954-05-06 | 1957-02-26 | Bell Telephone Labor Inc | Supervisory circuit |
| US2724744A (en) * | 1954-05-06 | 1955-11-22 | Bell Telephone Labor Inc | Remote line concentrator |
-
0
- CA CA594682A patent/CA594682A/en not_active Expired
- BE BE538470D patent/BE538470A/xx unknown
-
1954
- 1954-05-27 US US432770A patent/US2863950A/en not_active Expired - Lifetime
-
1955
- 1955-05-25 GB GB15076/55A patent/GB795876A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA594682A (en) | 1960-03-22 |
| US2863950A (en) | 1958-12-09 |
| GB795876A (en) | 1958-06-04 |