BE535704A - - Google Patents
Info
- Publication number
- BE535704A BE535704A BE535704DA BE535704A BE 535704 A BE535704 A BE 535704A BE 535704D A BE535704D A BE 535704DA BE 535704 A BE535704 A BE 535704A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Meter Arrangements (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4408/54A GB776772A (en) | 1954-02-15 | 1954-02-15 | Improvements in or relating to telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE535704A true BE535704A (fr) |
Family
ID=9776642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE535704D BE535704A (fr) | 1954-02-15 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2849535A (fr) |
| BE (1) | BE535704A (fr) |
| GB (1) | GB776772A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL225745A (fr) * | 1957-03-12 | |||
| NL302808A (fr) * | 1963-01-02 | |||
| NL302809A (fr) * | 1963-01-02 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2513112A (en) * | 1944-07-19 | 1950-06-27 | Shepherd Judson O'd | Data recording system employing record controlled apparatus |
| US2594495A (en) * | 1947-09-04 | 1952-04-29 | Bell Telephone Labor Inc | Magnetic recording system for call data in automatic telephony |
| US2587532A (en) * | 1948-05-05 | 1952-02-26 | Teleregister Corp | System for magnetic storage of data |
| US2614169A (en) * | 1950-07-24 | 1952-10-14 | Engineering Res Associates Inc | Storage and relay system |
| US2679551A (en) * | 1950-09-21 | 1954-05-25 | Bell Telephone Labor Inc | Capacitative commutator |
| NL79067C (fr) * | 1950-12-16 |
-
0
- BE BE535704D patent/BE535704A/xx unknown
-
1954
- 1954-02-15 GB GB4408/54A patent/GB776772A/en not_active Expired
-
1955
- 1955-02-14 US US487948A patent/US2849535A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2849535A (en) | 1958-08-26 |
| GB776772A (en) | 1957-06-12 |