BE522877A - - Google Patents
Info
- Publication number
- BE522877A BE522877A BE522877DA BE522877A BE 522877 A BE522877 A BE 522877A BE 522877D A BE522877D A BE 522877DA BE 522877 A BE522877 A BE 522877A
- Authority
- BE
- Belgium
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)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB342262X | 1952-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE522877A true BE522877A (lv) |
Family
ID=10362973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522877D BE522877A (lv) | 1952-09-19 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2899500A (lv) |
| BE (1) | BE522877A (lv) |
| CH (1) | CH342262A (lv) |
| NL (1) | NL181248B (lv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE527585A (lv) * | 1951-05-23 | |||
| US3219802A (en) * | 1961-10-03 | 1965-11-23 | Bunker Ramo | Multiple input counter utilizing magnetic drum storage |
| US3433898A (en) * | 1965-09-17 | 1969-03-18 | Automatic Elect Lab | Telephone pulse metering system |
| US4677541A (en) * | 1984-09-24 | 1987-06-30 | Rauland-Borg Corporation | Programmable clock |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2540654A (en) * | 1948-03-25 | 1951-02-06 | Engineering Res Associates Inc | Data storage system |
| US2790599A (en) * | 1951-02-27 | 1957-04-30 | Electronique & Automatisme Sa | Electronic digital adder and multiplier |
| NL92835C (lv) * | 1951-04-11 | |||
| US2805286A (en) * | 1951-07-25 | 1957-09-03 | British Telecomm Res Ltd | Electrical signalling systems |
| US2700755A (en) * | 1951-11-09 | 1955-01-25 | Monroe Calculating Machine | Keyboard checking circuit |
| US2675427A (en) * | 1951-12-21 | 1954-04-13 | Bell Telephone Labor Inc | Electrostatic scanning mechanism for scanning both tips and rings of calling lines and combining the results of these scanning operations |
| US2680239A (en) * | 1952-02-26 | 1954-06-01 | Engineering Res Associates Inc | Data selection system |
-
0
- NL NLAANVRAGE7514099,A patent/NL181248B/xx unknown
- US US2899500D patent/US2899500A/en not_active Expired - Lifetime
- BE BE522877D patent/BE522877A/xx unknown
-
1953
- 1953-09-19 CH CH342262D patent/CH342262A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2899500A (en) | 1959-08-11 |
| CH342262A (de) | 1959-11-15 |
| NL181248B (nl) |