NL74041C - - Google Patents
Info
- Publication number
- NL74041C NL74041C NL74041DA NL74041C NL 74041 C NL74041 C NL 74041C NL 74041D A NL74041D A NL 74041DA NL 74041 C NL74041 C NL 74041C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK669285X | 1947-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74041C true NL74041C (cs) |
Family
ID=8152135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74041D NL74041C (cs) | 1947-09-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2623950A (cs) |
| BE (1) | BE484853A (cs) |
| GB (1) | GB669285A (cs) |
| NL (1) | NL74041C (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2895583A (en) * | 1953-01-23 | 1959-07-21 | T S Skillman And Company Pty L | Coin-operated vending machines |
| US2881254A (en) * | 1953-04-27 | 1959-04-07 | Gen Telephone Lab Inc | Postpay paystation with coin control circuit |
| US2848542A (en) * | 1954-02-17 | 1958-08-19 | Ericsson Telefon Ab L M | Coin boxes |
| GB852198A (en) * | 1957-11-06 | 1960-10-26 | Ericsson Telefon Ab L M | Improvements in or relating to apparatus for sending signals indicative of the values of coins inserted into a coin operated telephone instrument, to a control device inan automatic telephone exchange |
| US3116370A (en) * | 1959-05-05 | 1963-12-31 | Bell Telephone Labor Inc | Telephone pay station |
| US3221101A (en) * | 1961-02-20 | 1965-11-30 | Comm Equipment & Engr Co | Telephone systems and the like |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL34940C (cs) * | 1931-12-18 | |||
| US1895020A (en) * | 1931-01-15 | 1933-01-24 | American Telephone & Telegraph | Telephone system |
| US1830873A (en) * | 1931-01-15 | 1931-11-10 | American Telephone & Telegraph | Telephone system |
| US2122550A (en) * | 1932-06-13 | 1938-07-05 | Sylvester F Adrian | Coin controlled sound reproducing system |
| US2020466A (en) * | 1932-09-29 | 1935-11-12 | Western Electric Co | Telephone system |
| NL43570C (cs) * | 1935-02-21 | |||
| US2224702A (en) * | 1936-03-12 | 1940-12-10 | Telefon Apparat Fabrik E Zwiet | Pay-station telephone |
| US2230486A (en) * | 1939-06-15 | 1941-02-04 | Lyndon A Durant | Selector mechanism |
| US2306654A (en) * | 1941-05-28 | 1942-12-29 | Rock Ola Mfg Corp | Phonograph |
-
0
- NL NL74041D patent/NL74041C/xx active
- BE BE484853D patent/BE484853A/xx unknown
-
1948
- 1948-09-08 US US48188A patent/US2623950A/en not_active Expired - Lifetime
- 1948-09-10 GB GB23899/48A patent/GB669285A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE484853A (cs) | |
| US2623950A (en) | 1952-12-30 |
| GB669285A (en) | 1952-04-02 |