CS162117B1 - Electronic connection especially for coin box sets - Google Patents
Electronic connection especially for coin box setsInfo
- Publication number
- CS162117B1 CS162117B1 CS56472A CS56472A CS162117B1 CS 162117 B1 CS162117 B1 CS 162117B1 CS 56472 A CS56472 A CS 56472A CS 56472 A CS56472 A CS 56472A CS 162117 B1 CS162117 B1 CS 162117B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- electronic connection
- coin box
- box sets
- connection especially
- sets
- Prior art date
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 |
---|---|
CS162117B1 true CS162117B1 (en) | 1975-07-15 |
Family
ID=5483406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS56472A CS162117B1 (en) | 1971-02-01 | 1972-01-28 | Electronic connection especially for coin box sets |
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 |
---|---|
HU165048B (cs) | 1974-06-28 |
DE2165235A1 (de) | 1972-11-23 |
YU21172A (en) | 1978-05-15 |
YU34072B (en) | 1978-10-31 |
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