BE568763A - - Google Patents
Info
- Publication number
- BE568763A BE568763A BE568763A BE568763A BE568763A BE 568763 A BE568763 A BE 568763A BE 568763 A BE568763 A BE 568763A BE 568763 A BE568763 A BE 568763A BE 568763 A BE568763 A BE 568763A
- 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
- H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
- H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US678134A US2991449A (en) | 1957-08-14 | 1957-08-14 | Selector circuit |
| US678099A US2964735A (en) | 1957-08-14 | 1957-08-14 | Electronic selector circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE568763A true BE568763A (US20110009641A1-20110113-C00273.png) | 1958-07-15 |
Family
ID=27101954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE568763A BE568763A (US20110009641A1-20110113-C00273.png) | 1957-08-14 | 1958-06-20 |
Country Status (7)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3118132A (en) * | 1960-10-28 | 1964-01-14 | Gen Precision Inc | Electronic stepping switch for reversible counting |
| US3290654A (en) * | 1961-03-08 | 1966-12-06 | Rca Corp | Information handling system |
| US3113273A (en) * | 1961-11-21 | 1963-12-03 | Bell Telephone Labor Inc | Plural stage selector system including "not" and "and-not" circuits in each stage thereof |
| US3336593A (en) * | 1966-03-21 | 1967-08-15 | Collins Radio Co | Asynchronous time sharing system for multiple fm altimeter |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2099065A (en) * | 1935-03-15 | 1937-11-16 | American Telephone & Telegraph | Distributor device |
| US2201986A (en) * | 1938-06-17 | 1940-05-28 | Bell Telephone Labor Inc | Telephone system |
| US2574904A (en) * | 1946-02-23 | 1951-11-13 | Kellogg Switchboard & Supply | Endless chain of counting relays |
| US2559702A (en) * | 1946-02-23 | 1951-07-10 | Kellogg Switchboard & Supply | Selector switching system |
| NL81951C (US20110009641A1-20110113-C00273.png) * | 1946-03-01 | |||
| US2486712A (en) * | 1947-02-24 | 1949-11-01 | Bell Telephone Labor Inc | Relay distributing circuit |
| US2540442A (en) * | 1948-08-11 | 1951-02-06 | Rca Corp | Electronic counter |
| US2719670A (en) * | 1949-10-18 | 1955-10-04 | Jacobs | Electrical and electronic digital computers |
| US2686838A (en) * | 1950-04-06 | 1954-08-17 | Bell Telephone Labor Inc | Translator |
| US2614176A (en) * | 1950-05-06 | 1952-10-14 | Bell Telephone Labor Inc | Electronic induction number group translator |
| NL179609B (nl) * | 1952-07-09 | Wavin Bv | Kunststofbuisdeel met aangevormde mof. | |
| US2840708A (en) * | 1956-01-13 | 1958-06-24 | Cons Electrodynamics Corp | Variable ring counter |
-
1957
- 1957-08-14 US US678134A patent/US2991449A/en not_active Expired - Lifetime
-
1958
- 1958-06-20 BE BE568763A patent/BE568763A/xx unknown
- 1958-07-31 CH CH6244358A patent/CH364532A/de unknown
- 1958-08-08 GB GB25497/58A patent/GB856148A/en not_active Expired
- 1958-08-08 FR FR1209488D patent/FR1209488A/fr not_active Expired
- 1958-08-11 DE DEW23892A patent/DE1139890B/de active Pending
- 1958-08-14 NL NL230509A patent/NL112561C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE1139890B (de) | 1962-11-22 |
| FR1209488A (fr) | 1960-03-02 |
| NL112561C (US20110009641A1-20110113-C00273.png) | 1966-03-15 |
| GB856148A (en) | 1960-12-14 |
| CH364532A (de) | 1962-09-30 |
| US2991449A (en) | 1961-07-04 |
