NL79795C - - Google Patents
Info
- Publication number
- NL79795C NL79795C NL79795DA NL79795C NL 79795 C NL79795 C NL 79795C NL 79795D A NL79795D A NL 79795DA NL 79795 C NL79795 C NL 79795C
- 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
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
-
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US770131A US2562717A (en) | 1947-08-22 | 1947-08-22 | Dialed number recovery circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
NL79795C true NL79795C (fr) |
Family
ID=25087575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL79795D NL79795C (fr) | 1947-08-22 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2562717A (fr) |
BE (1) | BE484481A (fr) |
FR (1) | FR970277A (fr) |
GB (1) | GB654311A (fr) |
NL (1) | NL79795C (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2851531A (en) * | 1952-03-12 | 1958-09-09 | Gen Telephone Lab Inc | Automatic telephone systems involving toll recording facilities |
US2834834A (en) * | 1952-09-20 | 1958-05-13 | Int Standard Electric Corp | Circuit arrangement for reducing the call losses in telephone systems with registers |
NL83176C (fr) * | 1952-10-21 | |||
US2881258A (en) * | 1953-01-09 | 1959-04-07 | Gen Telephone Lab Inc | Automatic telephone systems provided with toll recording facilities |
US2886642A (en) * | 1953-04-13 | 1959-05-12 | Gen Dynamics Corp | Automatic toll ticketing |
US3035125A (en) * | 1956-04-03 | 1962-05-15 | Gen Dynamics Corp | Digit sending means for telephone systems |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1387280A (en) * | 1916-12-30 | 1921-08-09 | Western Electric Co | Telephone system |
US1388887A (en) * | 1919-11-01 | 1921-08-30 | Western Electric Co | Indicating system |
US1650763A (en) * | 1926-02-01 | 1927-11-29 | Western Electric Co | Telephone-exchange system |
US1729857A (en) * | 1926-07-19 | 1929-10-01 | Automatic Electric Inc | Multioffice telephone system |
NL52905C (fr) * | 1937-08-21 | |||
US2300829A (en) * | 1940-03-22 | 1942-11-03 | Bell Telephone Labor Inc | Calling line identification system |
US2301015A (en) * | 1940-03-22 | 1942-11-03 | Bell Telephone Labor Inc | Telephone system |
BE477685A (fr) * | 1940-09-20 | |||
US2306729A (en) * | 1940-10-17 | 1942-12-29 | Bell Telephone Labor Inc | Signaling system |
GB609477A (en) * | 1943-04-27 | 1948-10-01 | Ericsson Telefon Ab L M | An arrangement for fixing a quantity characteristic of a call for example the rate for a call in automatic telephone systems |
US2351551A (en) * | 1943-05-29 | 1944-06-13 | Bell Telephone Labor Inc | Telephone system |
US2495769A (en) * | 1947-03-03 | 1950-01-31 | Clarence E Reeves | Dial impulse recorder |
-
0
- BE BE484481D patent/BE484481A/xx unknown
- NL NL79795D patent/NL79795C/xx active
-
1947
- 1947-08-22 US US770131A patent/US2562717A/en not_active Expired - Lifetime
-
1948
- 1948-08-10 FR FR970277D patent/FR970277A/fr not_active Expired
- 1948-08-13 GB GB21395/48A patent/GB654311A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2562717A (en) | 1951-07-31 |
BE484481A (fr) | |
FR970277A (fr) | 1951-01-02 |
GB654311A (en) | 1951-06-13 |