JPS515746B1 - - Google Patents
Info
- Publication number
- JPS515746B1 JPS515746B1 JP45045732A JP4573270A JPS515746B1 JP S515746 B1 JPS515746 B1 JP S515746B1 JP 45045732 A JP45045732 A JP 45045732A JP 4573270 A JP4573270 A JP 4573270A JP S515746 B1 JPS515746 B1 JP S515746B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- H04L25/497—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 by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR696921899A FR2052919B2 (en:Method) | 1969-06-27 | 1969-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS515746B1 true JPS515746B1 (en:Method) | 1976-02-23 |
Family
ID=9036573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45045732A Pending JPS515746B1 (en:Method) | 1969-06-27 | 1970-05-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3619501A (en:Method) |
| JP (1) | JPS515746B1 (en:Method) |
| DE (1) | DE2028953C3 (en:Method) |
| FR (1) | FR2052919B2 (en:Method) |
| IT (1) | IT960511B (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710257A (en) * | 1971-03-17 | 1973-01-09 | G Low | Multichannel telemetry system |
| USRE33056E (en) * | 1971-09-14 | 1989-09-12 | Codex Corporation | Signal structures for double side band-quadrature carrier modulation |
| US3887768A (en) * | 1971-09-14 | 1975-06-03 | Codex Corp | Signal structures for double side band-quadrature carrier modulation |
| US3798371A (en) * | 1971-10-08 | 1974-03-19 | Collins Radio Co | Data modem apparatus |
| US3808376A (en) * | 1971-10-08 | 1974-04-30 | Collins Radio Co | Three-channel data modem apparatus |
| US3809821A (en) * | 1971-10-08 | 1974-05-07 | W Melvin | Three-channel data modem apparatus |
| US3813483A (en) * | 1972-06-01 | 1974-05-28 | Anritsu Electric Co Ltd | Facsimile system |
| US3988539A (en) * | 1974-09-16 | 1976-10-26 | Hycom Incorporated | Data transmission system using optimal eight-vector signaling scheme |
| US4206316A (en) * | 1976-05-24 | 1980-06-03 | Hughes Aircraft Company | Transmitter-receiver system utilizing pulse position modulation and pulse compression |
| US4562415A (en) * | 1984-06-22 | 1985-12-31 | Motorola, Inc. | Universal ultra-precision PSK modulator with time multiplexed modes of varying modulation types |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE631946A (en:Method) * | 1962-05-07 | |||
| NL281180A (en:Method) * | 1962-07-19 | |||
| US3423529A (en) * | 1966-02-01 | 1969-01-21 | Bell Telephone Labor Inc | Automatic phase recovery in suppressed carrier quadrature modulated biternary communication systems |
-
1969
- 1969-06-27 FR FR696921899A patent/FR2052919B2/fr not_active Expired
-
1970
- 1970-05-26 IT IT25110/70A patent/IT960511B/it active
- 1970-05-29 JP JP45045732A patent/JPS515746B1/ja active Pending
- 1970-06-12 DE DE2028953A patent/DE2028953C3/de not_active Expired
- 1970-06-18 US US47406A patent/US3619501A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3619501A (en) | 1971-11-09 |
| DE2028953C3 (de) | 1978-03-09 |
| FR2052919A2 (en:Method) | 1971-04-16 |
| DE2028953B2 (de) | 1977-07-14 |
| IT960511B (it) | 1973-11-30 |
| FR2052919B2 (en:Method) | 1974-06-14 |
| DE2028953A1 (de) | 1971-01-07 |