BE731978A - - Google Patents
Info
- Publication number
- BE731978A BE731978A BE731978DA BE731978A BE 731978 A BE731978 A BE 731978A BE 731978D A BE731978D A BE 731978DA BE 731978 A BE731978 A BE 731978A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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
- H04M3/436—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST026717 | 1967-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE731978A true BE731978A (en:Method) | 1969-10-24 |
Family
ID=7461096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE731978D BE731978A (en:Method) | 1967-04-08 | 1969-04-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE731978A (en:Method) |
| DE (1) | DE1512981B2 (en:Method) |
| ES (1) | ES352547A1 (en:Method) |
| GB (1) | GB1162484A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4277649A (en) * | 1980-01-18 | 1981-07-07 | Bell Telephone Laboratories, Incorporated | Method and apparatus for screening telephone calls |
| US4358640A (en) | 1980-11-25 | 1982-11-09 | Murray Leonard Q | Telephone security device |
| US5359645A (en) | 1985-07-10 | 1994-10-25 | First Data Corporation Inc. | Voice-data telephonic interface control system |
| US6678360B1 (en) | 1985-07-10 | 2004-01-13 | Ronald A. Katz Technology Licensing, L.P. | Telephonic-interface statistical analysis system |
| US5828734A (en) | 1985-07-10 | 1998-10-27 | Ronald A. Katz Technology Licensing, Lp | Telephone interface call processing system with call selectivity |
| US4845739A (en) | 1985-07-10 | 1989-07-04 | Fdr Interactive Technologies | Telephonic-interface statistical analysis system |
| US5793846A (en) | 1985-07-10 | 1998-08-11 | Ronald A. Katz Technology Licensing, Lp | Telephonic-interface game control system |
-
1967
- 1967-04-08 DE DE19671512981 patent/DE1512981B2/de not_active Withdrawn
-
1968
- 1968-04-04 GB GB1616568A patent/GB1162484A/en not_active Expired
- 1968-04-08 ES ES352547A patent/ES352547A1/es not_active Expired
-
1969
- 1969-04-24 BE BE731978D patent/BE731978A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES352547A1 (es) | 1969-08-01 |
| DE1512981A1 (de) | 1969-06-26 |
| GB1162484A (en) | 1969-08-27 |
| DE1512981B2 (de) | 1975-07-17 |