ES302470A1 - Un sistema de transmision multiple inalambrica. - Google Patents
Un sistema de transmision multiple inalambrica.Info
- Publication number
- ES302470A1 ES302470A1 ES0302470A ES302470A ES302470A1 ES 302470 A1 ES302470 A1 ES 302470A1 ES 0302470 A ES0302470 A ES 0302470A ES 302470 A ES302470 A ES 302470A ES 302470 A1 ES302470 A1 ES 302470A1
- Authority
- ES
- Spain
- Prior art keywords
- signals
- translation
- circuit
- transmission system
- legally binding
- Prior art date
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 title abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J4/00—Combined time-division and frequency-division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3998863 | 1963-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES302470A1 true ES302470A1 (es) | 1965-03-16 |
Family
ID=12568307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0302470A Expired ES302470A1 (es) | 1963-07-29 | 1964-07-28 | Un sistema de transmision multiple inalambrica. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3370128A (es) |
BE (1) | BE650607A (es) |
ES (1) | ES302470A1 (es) |
GB (1) | GB1043297A (es) |
NL (1) | NL6408423A (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1494862A (es) * | 1965-07-29 | 1967-12-15 | ||
US3471644A (en) * | 1966-05-02 | 1969-10-07 | Massachusetts Inst Technology | Voice vocoding and transmitting system |
US3523250A (en) * | 1967-02-21 | 1970-08-04 | Martin Marietta Corp | Time division multiplex multiple frequency diversity troposcatter communication system |
US3637940A (en) * | 1970-05-18 | 1972-01-25 | Data Plex Systems | Monochannel audio teaching device |
US4320531A (en) * | 1979-04-02 | 1982-03-16 | Dimon Donald F | Time shared frequency conversion system |
JPH0752867B2 (ja) * | 1987-10-02 | 1995-06-05 | 株式会社ケンウッド | 多チヤンネルpcm音楽放送システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE518065A (es) * | 1952-03-03 | |||
US2817711A (en) * | 1954-05-10 | 1957-12-24 | Bell Telephone Labor Inc | Band compression system |
US3109142A (en) * | 1960-10-06 | 1963-10-29 | Bell Telephone Labor Inc | Apparatus for encoding pitch information in a vocoder system |
US3020344A (en) * | 1960-12-27 | 1962-02-06 | Bell Telephone Labor Inc | Apparatus for deriving pitch information from a speech wave |
US3226644A (en) * | 1962-04-12 | 1965-12-28 | Martin Marietta Corp | Tropospheric scatter communication system having high diversity gain |
-
1964
- 1964-07-16 BE BE650607D patent/BE650607A/xx unknown
- 1964-07-22 US US384416A patent/US3370128A/en not_active Expired - Lifetime
- 1964-07-23 NL NL6408423A patent/NL6408423A/xx unknown
- 1964-07-28 ES ES0302470A patent/ES302470A1/es not_active Expired
- 1964-08-04 GB GB30886/64A patent/GB1043297A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL6408423A (es) | 1965-02-01 |
US3370128A (en) | 1968-02-20 |
BE650607A (es) | 1965-01-18 |
GB1043297A (en) | 1966-09-21 |
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