JPS4938049B1 - - Google Patents
Info
- Publication number
- JPS4938049B1 JPS4938049B1 JP44006248A JP624869A JPS4938049B1 JP S4938049 B1 JPS4938049 B1 JP S4938049B1 JP 44006248 A JP44006248 A JP 44006248A JP 624869 A JP624869 A JP 624869A JP S4938049 B1 JPS4938049 B1 JP S4938049B1
- 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
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/043—Pseudo-noise [PN] codes variable during transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6801502A NL6801502A (ja) | 1968-02-01 | 1968-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4938049B1 true JPS4938049B1 (ja) | 1974-10-15 |
Family
ID=19802656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44006248A Pending JPS4938049B1 (ja) | 1968-02-01 | 1969-01-29 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3629505A (ja) |
| JP (1) | JPS4938049B1 (ja) |
| BE (1) | BE727702A (ja) |
| ES (1) | ES363108A2 (ja) |
| FR (1) | FR2001168A6 (ja) |
| GB (1) | GB1212336A (ja) |
| NL (1) | NL6801502A (ja) |
| SE (1) | SE356863B (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740478A (en) * | 1971-10-19 | 1973-06-19 | Philips Corp | Pseudo-random multiplex synchronizer |
| US3893031A (en) * | 1972-11-08 | 1975-07-01 | Boeing Co | Synchronization system for voice privacy unit |
| US3967062A (en) * | 1975-03-05 | 1976-06-29 | Ncr Corporation | Method and apparatus for encoding data and clock information in a self-clocking data stream |
| US4176248A (en) * | 1977-12-23 | 1979-11-27 | Bell Telephone Laboratories, Incorporated | System for identifying and correcting the polarity of a data signal |
| US4475208A (en) | 1982-01-18 | 1984-10-02 | Ricketts James A | Wired spread spectrum data communication system |
| US4723246A (en) * | 1982-05-11 | 1988-02-02 | Tandem Computers Incorporated | Integrated scrambler-encoder using PN sequence generator |
| FR2597687B1 (fr) * | 1986-04-18 | 1992-01-17 | Lmt Radio Professionelle | Procede et dispositif de regeneration rapide de l'integrite du debit binaire dans un reseau plesiochrone. |
| GB8808301D0 (en) * | 1988-04-08 | 1988-05-11 | British Telecomm | Regenerative node for ring network |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3069657A (en) * | 1958-06-11 | 1962-12-18 | Sylvania Electric Prod | Selective calling system |
| US3067280A (en) * | 1959-09-15 | 1962-12-04 | Teleprompter Corp | Secret signaling |
| US3142723A (en) * | 1961-11-29 | 1964-07-28 | Bell Telephone Labor Inc | Frequency shift keying system |
| NL292831A (ja) * | 1963-05-15 | 1965-07-26 | ||
| US3406344A (en) * | 1964-07-01 | 1968-10-15 | Bell Telephone Labor Inc | Transmission of low frequency signals by modulation of voice carrier |
-
1968
- 1968-02-01 NL NL6801502A patent/NL6801502A/xx unknown
-
1969
- 1969-01-29 SE SE01202/69A patent/SE356863B/xx unknown
- 1969-01-29 GB GB4952/69A patent/GB1212336A/en not_active Expired
- 1969-01-29 JP JP44006248A patent/JPS4938049B1/ja active Pending
- 1969-01-29 US US795109*A patent/US3629505A/en not_active Expired - Lifetime
- 1969-01-30 ES ES363108A patent/ES363108A2/es not_active Expired
- 1969-01-30 BE BE727702A patent/BE727702A/xx unknown
- 1969-02-03 FR FR6902335A patent/FR2001168A6/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES363108A2 (es) | 1970-12-16 |
| GB1212336A (en) | 1970-11-11 |
| FR2001168A6 (ja) | 1969-09-26 |
| SE356863B (ja) | 1973-06-04 |
| BE727702A (ja) | 1969-07-30 |
| NL6801502A (ja) | 1969-08-05 |
| US3629505A (en) | 1971-12-21 |