GB901837A - Improvements relating to selectrive electrical marking arrangements - Google Patents
Improvements relating to selectrive electrical marking arrangementsInfo
- Publication number
- GB901837A GB901837A GB670160A GB670160A GB901837A GB 901837 A GB901837 A GB 901837A GB 670160 A GB670160 A GB 670160A GB 670160 A GB670160 A GB 670160A GB 901837 A GB901837 A GB 901837A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potential
- calling
- line
- marking
- ordinate
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Thyristor Switches And Gates (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL261669D NL261669A (enExample) | 1960-02-25 | ||
| GB670160A GB901837A (en) | 1960-02-25 | 1960-02-25 | Improvements relating to selectrive electrical marking arrangements |
| DEA36800A DE1138433B (de) | 1960-02-25 | 1961-02-24 | Markierungsanordnung fuer Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
| US112168A US3170992A (en) | 1960-02-25 | 1961-05-17 | Selective electrical marking arrangements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB670160A GB901837A (en) | 1960-02-25 | 1960-02-25 | Improvements relating to selectrive electrical marking arrangements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB901837A true GB901837A (en) | 1962-07-25 |
Family
ID=9819214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB670160A Expired GB901837A (en) | 1960-02-25 | 1960-02-25 | Improvements relating to selectrive electrical marking arrangements |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1138433B (enExample) |
| GB (1) | GB901837A (enExample) |
| NL (1) | NL261669A (enExample) |
-
0
- NL NL261669D patent/NL261669A/xx unknown
-
1960
- 1960-02-25 GB GB670160A patent/GB901837A/en not_active Expired
-
1961
- 1961-02-24 DE DEA36800A patent/DE1138433B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL261669A (enExample) | |
| DE1138433B (de) | 1962-10-25 |
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