NL225745A - - Google Patents
Info
- Publication number
- NL225745A NL225745A NL225745DA NL225745A NL 225745 A NL225745 A NL 225745A NL 225745D A NL225745D A NL 225745DA NL 225745 A NL225745 A NL 225745A
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Exchange Systems With Centralized Control (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8052/57A GB876538A (en) | 1957-03-12 | 1957-03-12 | Improvements in or relating to arrangements for metering telephone calls |
Publications (1)
Publication Number | Publication Date |
---|---|
NL225745A true NL225745A (xx) |
Family
ID=9844868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL225745D NL225745A (xx) | 1957-03-12 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3067290A (xx) |
DE (1) | DE1121131B (xx) |
GB (1) | GB876538A (xx) |
NL (1) | NL225745A (xx) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB968996A (en) * | 1959-09-30 | 1964-09-09 | Honeywell Regulator Co | Improved electrical sequencing control |
BE619969A (nl) * | 1961-07-28 | 1963-01-10 | Bell Telephone Mfg | Werkwijze voor het automatisch ontvangen van impulsen, die via lijnen binnenkomen |
US3231866A (en) * | 1961-09-08 | 1966-01-25 | Bell Telephone Labor Inc | Traffic data processing system |
NL283311A (xx) * | 1961-09-15 | |||
BE639057A (xx) * | 1962-10-24 | |||
DE93350C (xx) * | 1964-09-25 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE673407C (de) * | 1930-06-08 | 1939-03-22 | Siemens Ag | Schaltungsanordnung zur Verbindungszaehlung in Fernschreibvermittlungsanlagen mit Waehlerbetrieb |
DE746666C (de) * | 1940-05-27 | 1944-08-16 | Versuchsanstalt Fuer Luftfahrt | Indikator |
US2749037A (en) * | 1950-04-21 | 1956-06-05 | George R Stibitz | Electronic computer for multiplication |
US2805286A (en) * | 1951-07-25 | 1957-09-03 | British Telecomm Res Ltd | Electrical signalling systems |
US2850571A (en) * | 1952-09-19 | 1958-09-02 | Int Standard Electric Corp | Magnetic store for telephone meter impulses |
BE526957A (xx) * | 1953-03-05 | |||
GB763828A (en) * | 1953-05-22 | 1956-12-19 | Standard Telephones Cables Ltd | Improvements in or relating to subscriber billing in automatic telecommunication exchange systems and the like |
BE520228A (xx) * | 1953-05-27 | 1955-06-10 | ||
BE535704A (xx) * | 1954-02-15 | |||
US2723312A (en) * | 1954-09-15 | 1955-11-08 | Bell Telephone Labor Inc | Magnetic drum dial pulse recording and storage registers |
DE1074663B (de) * | 1955-11-24 | 1960-02-04 | Siemens Edison Swan Limited, London | Schaltungsanordnung für Umrechner in Fernmelde-, insbesondere Fernsprechanlagen |
-
0
- NL NL225745D patent/NL225745A/xx unknown
-
1957
- 1957-03-12 GB GB8052/57A patent/GB876538A/en not_active Expired
-
1958
- 1958-03-10 US US720471A patent/US3067290A/en not_active Expired - Lifetime
- 1958-03-11 DE DEA29032A patent/DE1121131B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB876538A (en) | 1961-09-06 |
DE1121131B (de) | 1962-01-04 |
US3067290A (en) | 1962-12-04 |