BE702512A - - Google Patents
Info
- Publication number
- BE702512A BE702512A BE702512DA BE702512A BE 702512 A BE702512 A BE 702512A BE 702512D A BE702512D A BE 702512DA BE 702512 A BE702512 A BE 702512A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
- H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
- H04L25/4925—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes using balanced bipolar ternary codes
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57246466A | 1966-08-15 | 1966-08-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE702512A true BE702512A (de) | 1968-01-15 |
Family
ID=24287917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE702512D BE702512A (de) | 1966-08-15 | 1967-08-10 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3502810A (de) |
BE (1) | BE702512A (de) |
DE (1) | DE1537549C3 (de) |
GB (1) | GB1190099A (de) |
NL (1) | NL155153B (de) |
SE (1) | SE314105B (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2139665B1 (de) * | 1971-05-28 | 1973-05-25 | Labo Cent Telecommunicat | |
US3828346A (en) * | 1972-05-30 | 1974-08-06 | Int Standard Electric Corp | Pcm transmission system |
GB1512700A (en) * | 1975-10-23 | 1978-06-01 | Standard Telephones Cables Ltd | Data transmission |
GB1563848A (en) * | 1977-02-09 | 1980-04-02 | Hewlett Packard Ltd | Cmi-encoder |
SE7813424L (sv) * | 1978-01-20 | 1979-07-21 | Hitachi Ltd | Metod och apparatutrustning for datakommunikation |
US4201942A (en) * | 1978-03-08 | 1980-05-06 | Downer Edward W | Data conversion system |
DE2850129A1 (de) * | 1978-11-18 | 1980-06-04 | Tekade Felten & Guilleaume | Schaltungsanordnung zur umwandlung von binaeren digitalsignalen in pseudoternaere wechselimpulse |
US4253185A (en) * | 1979-07-13 | 1981-02-24 | Bell Telephone Laboratories, Incorporated | Method of transmitting binary information using 3 signals per time slot |
US4309694A (en) * | 1980-03-27 | 1982-01-05 | Bell Telephone Laboratories, Incorporated | Zero disparity coding system |
US4606046A (en) * | 1983-12-27 | 1986-08-12 | At&T Bell Laboratories | Converter/line driver circuit for a line repeater |
US4750179A (en) * | 1986-05-02 | 1988-06-07 | Lynch Communications Systems, Inc. | Selective prevention of bipolar violation detection |
US4799217A (en) * | 1986-08-20 | 1989-01-17 | American Telephone And Telegraph Company, At&T Bell Laboratories | Three time slot digital subscriber line termination |
US5687176A (en) * | 1995-06-09 | 1997-11-11 | Hubbell Incorporated | Zero byte substitution method and apparatus for telecommunications equipment |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2957947A (en) * | 1957-02-20 | 1960-10-25 | Bell Telephone Labor Inc | Pulse code transmission system |
-
1966
- 1966-08-15 US US572464A patent/US3502810A/en not_active Expired - Lifetime
-
1967
- 1967-08-09 DE DE1537549A patent/DE1537549C3/de not_active Expired
- 1967-08-10 BE BE702512D patent/BE702512A/xx not_active IP Right Cessation
- 1967-08-10 GB GB36782/67A patent/GB1190099A/en not_active Expired
- 1967-08-14 SE SE11431/67A patent/SE314105B/xx unknown
- 1967-08-15 NL NL676711197A patent/NL155153B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE1537549C3 (de) | 1981-02-05 |
SE314105B (de) | 1969-09-01 |
DE1537549B2 (de) | 1972-09-07 |
GB1190099A (en) | 1970-04-29 |
NL155153B (nl) | 1977-11-15 |
NL6711197A (de) | 1968-02-16 |
US3502810A (en) | 1970-03-24 |
DE1537549A1 (de) | 1969-07-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: WESTERN ELECTRIC CY INC. Effective date: 19870810 |