HU165048B - - Google Patents
Info
- Publication number
- HU165048B HU165048B HUFE000859A HU165048B HU 165048 B HU165048 B HU 165048B HU FE000859 A HUFE000859 A HU FE000859A HU 165048 B HU165048 B HU 165048B
- Authority
- HU
- Hungary
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
- H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15279971 | 1971-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU165048B true HU165048B (cs) | 1974-06-28 |
Family
ID=5483406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUFE000859 HU165048B (cs) | 1971-02-01 | 1972-02-01 |
Country Status (4)
| Country | Link |
|---|---|
| CS (1) | CS162117B1 (cs) |
| DE (1) | DE2165235A1 (cs) |
| HU (1) | HU165048B (cs) |
| YU (1) | YU34072B (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4336422A (en) * | 1978-07-05 | 1982-06-22 | Akzona Incorporated | Toll restrictor |
-
1971
- 1971-12-29 DE DE19712165235 patent/DE2165235A1/de active Pending
-
1972
- 1972-01-28 CS CS56472A patent/CS162117B1/cs unknown
- 1972-01-31 YU YU21172A patent/YU34072B/xx unknown
- 1972-02-01 HU HUFE000859 patent/HU165048B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS162117B1 (en) | 1975-07-15 |
| DE2165235A1 (de) | 1972-11-23 |
| YU21172A (en) | 1978-05-15 |
| YU34072B (en) | 1978-10-31 |