SE7704312L - Anordning for att forbinda minst en kanal i ett n-knals tidsmultiplexberfrekvenssystem med en motsvarande kanal i ett p-kanals frekvensmultiplexberfrekvenssystem - Google Patents
Anordning for att forbinda minst en kanal i ett n-knals tidsmultiplexberfrekvenssystem med en motsvarande kanal i ett p-kanals frekvensmultiplexberfrekvenssystemInfo
- Publication number
- SE7704312L SE7704312L SE7704312A SE7704312A SE7704312L SE 7704312 L SE7704312 L SE 7704312L SE 7704312 A SE7704312 A SE 7704312A SE 7704312 A SE7704312 A SE 7704312A SE 7704312 L SE7704312 L SE 7704312L
- Authority
- SE
- Sweden
- Prior art keywords
- channel
- multiplexber
- frequency
- frequency system
- knal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J4/00—Combined time-division and frequency-division multiplex systems
- H04J4/005—Transmultiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/677,400 US4013842A (en) | 1976-04-15 | 1976-04-15 | Method and apparatus for interfacing digital and analog carrier systems |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7704312L true SE7704312L (sv) | 1977-10-16 |
Family
ID=24718550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7704312A SE7704312L (sv) | 1976-04-15 | 1977-04-14 | Anordning for att forbinda minst en kanal i ett n-knals tidsmultiplexberfrekvenssystem med en motsvarande kanal i ett p-kanals frekvensmultiplexberfrekvenssystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US4013842A (xx) |
JP (1) | JPS52129315A (xx) |
BE (1) | BE853497A (xx) |
DE (1) | DE2716770A1 (xx) |
FR (1) | FR2348610A1 (xx) |
NL (1) | NL7704086A (xx) |
SE (1) | SE7704312L (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4143242A (en) * | 1976-07-14 | 1979-03-06 | Hitachi, Ltd. | Analog-digital code converter in a digital telephone switching system |
NL180369C (nl) * | 1977-04-04 | 1987-02-02 | Philips Nv | Inrichting voor het omzetten van discrete signalen in een discreet enkelzijband frequentie-multiplex-signaal en omgekeerd. |
US4199660A (en) * | 1977-11-07 | 1980-04-22 | Communications Satellite Corporation | FDM/TDM Transmultiplexer |
US4237551A (en) * | 1978-12-22 | 1980-12-02 | Granger Associates | Transmultiplexer |
FR2445671A1 (fr) * | 1978-12-28 | 1980-07-25 | Maitre Xavier | Systeme de transmission, par l'intermediaire d'un canal numerique, de signaux telephoniques multiplexes par repartition en frequence |
US4412325A (en) * | 1981-07-13 | 1983-10-25 | Telettra- Telefonia Elettronica E Radio S.P.A. | Equipment for single band multiplexing through digital processing |
US4943958A (en) * | 1987-05-01 | 1990-07-24 | Ag Communication Systems Corporation | ISDN interface trunk circuit |
US4928272A (en) * | 1988-05-23 | 1990-05-22 | Matsushita Electric Industrial Co., Ltd. | Two-way CATV system using frequency division multiplexing |
US4991169A (en) * | 1988-08-02 | 1991-02-05 | International Business Machines Corporation | Real-time digital signal processing relative to multiple digital communication channels |
JP2720694B2 (ja) * | 1992-03-27 | 1998-03-04 | コクヨ株式会社 | 机 |
US5742595A (en) * | 1995-06-02 | 1998-04-21 | Dsc Communications Corporation | Processing CDMA signals |
US6009084A (en) * | 1996-10-07 | 1999-12-28 | Nynex Science & Technology, Inc. | Concentrating transmultiplexer for cable telephony |
US6285754B1 (en) | 2000-04-06 | 2001-09-04 | 2Wire, Inc. | Odd-order low-pass pots device microfilter |
US7765506B2 (en) * | 2003-04-04 | 2010-07-27 | Synopsys, Inc. | Method and apparatus for automated synthesis of multi-channel circuits |
DE102007056605A1 (de) * | 2007-11-22 | 2009-05-28 | Siemens Ag | Verfahren zum Ermitteln der Oberwellenanteile eines analogen elektrischen Signals mit sich zeitlich ändernder Grundfrequenz |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3328528A (en) * | 1963-11-04 | 1967-06-27 | Bell Telephone Labor Inc | Apparatus for interchanging time and frequency signals |
-
1976
- 1976-04-15 US US05/677,400 patent/US4013842A/en not_active Expired - Lifetime
-
1977
- 1977-04-08 FR FR7710836A patent/FR2348610A1/fr not_active Withdrawn
- 1977-04-12 BE BE176626A patent/BE853497A/xx unknown
- 1977-04-14 NL NL7704086A patent/NL7704086A/xx not_active Application Discontinuation
- 1977-04-14 SE SE7704312A patent/SE7704312L/xx unknown
- 1977-04-15 DE DE19772716770 patent/DE2716770A1/de active Pending
- 1977-04-15 JP JP4272477A patent/JPS52129315A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS52129315A (en) | 1977-10-29 |
US4013842A (en) | 1977-03-22 |
FR2348610A1 (fr) | 1977-11-10 |
DE2716770A1 (de) | 1977-10-27 |
BE853497A (fr) | 1977-08-01 |
NL7704086A (nl) | 1977-10-18 |
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