FI901207A0 - PCM-viestijärjestelmä - Google Patents
PCM-viestijärjestelmäInfo
- Publication number
- FI901207A0 FI901207A0 FI901207A FI901207A FI901207A0 FI 901207 A0 FI901207 A0 FI 901207A0 FI 901207 A FI901207 A FI 901207A FI 901207 A FI901207 A FI 901207A FI 901207 A0 FI901207 A0 FI 901207A0
- Authority
- FI
- Finland
- Prior art keywords
- stage blocks
- stage
- data streams
- blocks
- input
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Error Detection And Correction (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Time-Division Multiplex Systems (AREA)
- Optical Communication System (AREA)
- Special Wing (AREA)
- Radio Relay Systems (AREA)
- Communication Control (AREA)
- Mobile Radio Communication Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Amplifiers (AREA)
- Selective Calling Equipment (AREA)
- Exchange Systems With Centralized Control (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8905533 | 1989-03-10 | ||
GB898905533A GB8905533D0 (en) | 1989-03-10 | 1989-03-10 | Pcm communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
FI901207A0 true FI901207A0 (fi) | 1990-03-09 |
FI98581B FI98581B (fi) | 1997-03-27 |
FI98581C FI98581C (fi) | 1997-07-10 |
Family
ID=10653099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI901207A FI98581C (fi) | 1989-03-10 | 1990-03-09 | PCM-viestijärjestelmä |
Country Status (14)
Country | Link |
---|---|
US (1) | US5056087A (fi) |
EP (1) | EP0386908B1 (fi) |
JP (1) | JP3010448B2 (fi) |
CN (1) | CN1023856C (fi) |
AT (1) | ATE117479T1 (fi) |
AU (1) | AU616342B2 (fi) |
CA (1) | CA2011284A1 (fi) |
DE (1) | DE69016063T2 (fi) |
DK (1) | DK0386908T3 (fi) |
ES (1) | ES2066121T3 (fi) |
FI (1) | FI98581C (fi) |
GB (2) | GB8905533D0 (fi) |
GR (1) | GR3015792T3 (fi) |
PT (1) | PT93399B (fi) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8814584D0 (en) * | 1988-06-20 | 1988-07-27 | Plessey Telecomm | Pcm communication system |
JPH036156A (ja) * | 1989-06-01 | 1991-01-11 | Mitsubishi Electric Corp | データ伝送路障害検知回路 |
JPH04100429A (ja) * | 1990-08-20 | 1992-04-02 | Toshiba Corp | 時分割多重化装置 |
US5555267A (en) * | 1993-07-30 | 1996-09-10 | Burke, Jr.; George E. | Feedforward control system, method and control module |
GB2284967A (en) * | 1993-12-10 | 1995-06-21 | Marconi Gec Ltd | Multiplexers and demultiplexers |
US6618395B1 (en) * | 1999-05-27 | 2003-09-09 | 3Com Corporation | Physical coding sub-layer for transmission of data over multi-channel media |
EP1301748A2 (en) * | 2000-07-07 | 2003-04-16 | Convec Aps | A ventilating device |
US6959019B2 (en) * | 2001-02-22 | 2005-10-25 | Nortel Networks Limited | Aharmonic interleaving of forward error corrected (FEC) signals |
US6795003B2 (en) * | 2003-01-30 | 2004-09-21 | Broadcom Corporation | Hardware-efficient implementation of dynamic element matching in sigma-delta DAC's |
US6762702B2 (en) * | 2002-01-24 | 2004-07-13 | Broadcom Corporation | Shuffler apparatus and related dynamic element matching technique for linearization of unit-element digital-to-analog converters |
US8127049B1 (en) * | 2008-03-12 | 2012-02-28 | Matrox Graphics Inc. | Input/output pin allocation for data streams of variable widths |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3995119A (en) * | 1975-05-30 | 1976-11-30 | Gte Automatic Electric Laboratories Incorporated | Digital time-division multiplexing system |
IT1143268B (it) * | 1981-01-15 | 1986-10-22 | Cselt Centro Studi Lab Telecom | Struttura modulare di rete di commutazione pcm a controllo e diagnostica distribuite |
US4644535A (en) * | 1984-04-26 | 1987-02-17 | Data General Corp. | PCM channel multiplexer/demultiplexer |
NL8501737A (nl) * | 1985-06-17 | 1987-01-16 | At & T & Philips Telecomm | Hogere orde digitaal transmissiesysteem voorzien van een multiplexer en een demultiplexer. |
US4716561A (en) * | 1985-08-26 | 1987-12-29 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital transmission including add/drop module |
US4914655A (en) * | 1986-06-20 | 1990-04-03 | American Telephone And Telegraph Company | Multiplexing arrangement for a digital transmission system |
JPS63236432A (ja) * | 1987-03-25 | 1988-10-03 | Fujitsu Ltd | Bsi化ビツトインタリ−ブ多重方式 |
GB8814584D0 (en) * | 1988-06-20 | 1988-07-27 | Plessey Telecomm | Pcm communication system |
US4924464A (en) * | 1989-03-13 | 1990-05-08 | American Telephone And Telegraph Company | Technique for converting either way between a plurality of N synchronized serial bit streams and a parallel TDM format |
-
1989
- 1989-03-10 GB GB898905533A patent/GB8905533D0/en active Pending
-
1990
- 1990-02-23 EP EP90301961A patent/EP0386908B1/en not_active Expired - Lifetime
- 1990-02-23 DK DK90301961.0T patent/DK0386908T3/da active
- 1990-02-23 AT AT90301961T patent/ATE117479T1/de active
- 1990-02-23 GB GB9004166A patent/GB2229610B/en not_active Expired - Lifetime
- 1990-02-23 ES ES90301961T patent/ES2066121T3/es not_active Expired - Lifetime
- 1990-02-23 DE DE69016063T patent/DE69016063T2/de not_active Expired - Lifetime
- 1990-02-26 US US07/485,995 patent/US5056087A/en not_active Expired - Lifetime
- 1990-03-01 CA CA002011284A patent/CA2011284A1/en not_active Abandoned
- 1990-03-02 AU AU50658/90A patent/AU616342B2/en not_active Ceased
- 1990-03-08 JP JP2055205A patent/JP3010448B2/ja not_active Expired - Lifetime
- 1990-03-09 FI FI901207A patent/FI98581C/fi not_active IP Right Cessation
- 1990-03-09 PT PT93399A patent/PT93399B/pt not_active IP Right Cessation
- 1990-03-10 CN CN90101776.0A patent/CN1023856C/zh not_active Expired - Lifetime
-
1995
- 1995-04-17 GR GR950400922T patent/GR3015792T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ES2066121T3 (es) | 1995-03-01 |
EP0386908A3 (en) | 1991-09-04 |
FI98581C (fi) | 1997-07-10 |
JPH0327635A (ja) | 1991-02-06 |
FI98581B (fi) | 1997-03-27 |
DK0386908T3 (da) | 1995-03-20 |
EP0386908A2 (en) | 1990-09-12 |
AU616342B2 (en) | 1991-10-24 |
CN1023856C (zh) | 1994-02-16 |
AU5065890A (en) | 1990-09-13 |
PT93399B (pt) | 1996-01-31 |
DE69016063T2 (de) | 1995-05-18 |
PT93399A (pt) | 1991-10-31 |
DE69016063D1 (de) | 1995-03-02 |
GB2229610A (en) | 1990-09-26 |
GB8905533D0 (en) | 1989-04-19 |
ATE117479T1 (de) | 1995-02-15 |
US5056087A (en) | 1991-10-08 |
EP0386908B1 (en) | 1995-01-18 |
CA2011284A1 (en) | 1990-09-10 |
GB9004166D0 (en) | 1990-04-18 |
GB2229610B (en) | 1993-06-16 |
JP3010448B2 (ja) | 2000-02-21 |
GR3015792T3 (en) | 1995-07-31 |
CN1047596A (zh) | 1990-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: GPT LIMITED |
|
BB | Publication of examined application | ||
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: GPT LIMITED |