NL261215A - - Google Patents
Info
- Publication number
- NL261215A NL261215A NL261215DA NL261215A NL 261215 A NL261215 A NL 261215A NL 261215D A NL261215D A NL 261215DA NL 261215 A NL261215 A NL 261215A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/20—Time-division multiplex systems using resonant transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/05—Frequency-transposition arrangements using digital techniques
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Telephonic Communication Services (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES67471A DE1135972B (de) | 1960-03-08 | 1960-03-08 | Schaltung zur Verlagerung eines elektrischen Wechselstromsignals in eine andere Frequenzlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL261215A true NL261215A (US06534493-20030318-C00166.png) |
Family
ID=7499579
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL261215D NL261215A (US06534493-20030318-C00166.png) | 1960-03-08 | ||
| NL61261215A NL139148C (nl) | 1960-03-08 | 1961-02-14 | Schakeling voor het omzetten van elektrische wisselstroomsignalen in een andere frequentie. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL61261215A NL139148C (nl) | 1960-03-08 | 1961-02-14 | Schakeling voor het omzetten van elektrische wisselstroomsignalen in een andere frequentie. |
Country Status (7)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3259693A (en) * | 1960-09-28 | 1966-07-05 | Nippon Electric Co | Frequency division multiplex communication system |
| NL273561A (US06534493-20030318-C00166.png) * | 1961-01-20 | |||
| BE640226A (US06534493-20030318-C00166.png) * | 1961-07-28 | 1964-05-21 | ||
| NL287643A (US06534493-20030318-C00166.png) * | 1962-01-10 | |||
| US3399278A (en) * | 1962-10-15 | 1968-08-27 | Ibm | Time division and frequency devision multiplexing system |
| DE1278544B (de) * | 1963-09-23 | 1968-09-26 | Siemens Ag | Verfahren und Schaltungsanordnung zum UEbertragen von mehreren impulsmodulierten Fernmeldenachrichten ueber einen gemeinsamen UEbertragungsweg in Zeitmultiplexanlagen, insbesondere Zeitmultiplex-Fernsprechvermittlungsanlagen |
| US3328528A (en) * | 1963-11-04 | 1967-06-27 | Bell Telephone Labor Inc | Apparatus for interchanging time and frequency signals |
| US3359370A (en) * | 1964-06-05 | 1967-12-19 | Ibm | Ideally lossless resonant transfer of energy between bandpass filters of equal bandwidth |
| GB1112248A (en) * | 1966-06-03 | 1968-05-01 | Standard Telephones Cables Ltd | Improvements in or relating to n-path frequency translation systems |
| US3520998A (en) * | 1966-11-01 | 1970-07-21 | Ibm | Resonant transfer of energy between bandpass filters of unequal bandwidth |
| US3501594A (en) * | 1967-05-01 | 1970-03-17 | Us Air Force | Apparatus for forming an all-lower sideband group signal output |
| US3577202A (en) * | 1967-07-06 | 1971-05-04 | Stromberg Carlson Corp | Telephone hybrid arrangement with frequency separation for use with tdm systems |
| US3717816A (en) * | 1971-03-19 | 1973-02-20 | Siemens Ag | Impulse-scanned n-path filter for several frequency ranges |
| DE2951495A1 (de) * | 1979-12-20 | 1981-07-02 | Siemens AG, 1000 Berlin und 8000 München | Breitband-fernmeldesystem |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE556365A (US06534493-20030318-C00166.png) * | 1954-12-03 | |||
| US2936337A (en) * | 1957-01-09 | 1960-05-10 | Bell Telephone Labor Inc | Switching circuit |
| NL234087A (US06534493-20030318-C00166.png) * | 1957-12-11 | |||
| BE570722A (US06534493-20030318-C00166.png) * | 1959-03-13 |
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0
- NL NL261215D patent/NL261215A/xx unknown
-
1960
- 1960-03-08 DE DES67471A patent/DE1135972B/de active Pending
-
1961
- 1961-02-14 NL NL61261215A patent/NL139148C/xx active
- 1961-02-15 CH CH179061A patent/CH393455A/de unknown
- 1961-02-23 US US91233A patent/US3205310A/en not_active Expired - Lifetime
- 1961-03-07 DK DK100061AA patent/DK107361C/da active
- 1961-03-07 GB GB8371/61A patent/GB941769A/en not_active Expired
- 1961-03-08 SE SE02444/61A patent/SE325318B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3205310A (en) | 1965-09-07 |
| DK107361C (da) | 1967-05-22 |
| SE325318B (US06534493-20030318-C00166.png) | 1970-06-29 |
| CH393455A (de) | 1965-06-15 |
| NL139148C (nl) | 1973-11-15 |
| GB941769A (en) | 1963-11-13 |
| DE1135972B (de) | 1962-09-06 |
