DE3169628D1 - Device for clock and data synchronization in a transmission system - Google Patents
Device for clock and data synchronization in a transmission systemInfo
- Publication number
- DE3169628D1 DE3169628D1 DE8181430044T DE3169628T DE3169628D1 DE 3169628 D1 DE3169628 D1 DE 3169628D1 DE 8181430044 T DE8181430044 T DE 8181430044T DE 3169628 T DE3169628 T DE 3169628T DE 3169628 D1 DE3169628 D1 DE 3169628D1
- Authority
- DE
- Germany
- Prior art keywords
- clock
- transmission system
- data synchronization
- synchronization
- data
- 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 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0331—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
- H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
- H03L7/0993—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider and a circuit for adding and deleting pulses
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP81430044A EP0082901B1 (de) | 1981-12-29 | 1981-12-29 | Einrichtung zur Takt- und Datensynchronisation in einem Übertragungssystem |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3169628D1 true DE3169628D1 (en) | 1985-05-02 |
Family
ID=8188605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181430044T Expired DE3169628D1 (en) | 1981-12-29 | 1981-12-29 | Device for clock and data synchronization in a transmission system |
Country Status (4)
Country | Link |
---|---|
US (1) | US4523322A (de) |
EP (1) | EP0082901B1 (de) |
JP (1) | JPS58116833A (de) |
DE (1) | DE3169628D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0200842B1 (de) * | 1985-04-30 | 1992-10-14 | International Business Machines Corporation | Modem zur Steuerung eines Modemnetzes |
US4761646A (en) * | 1986-05-20 | 1988-08-02 | International Business Machines Corporation | Method and system for addressing and controlling a network of modems |
US4884267A (en) * | 1986-12-27 | 1989-11-28 | Kabushiki Kaisha Kenwood | TDM transmission system |
US5555438A (en) * | 1991-07-24 | 1996-09-10 | Allen-Bradley Company, Inc. | Method for synchronously transferring serial data to and from an input/output (I/O) module with true and complement error detection coding |
US6100734A (en) * | 1994-11-30 | 2000-08-08 | Unisys Corporation | IC chip using a phase-locked loop for providing signals having different timing edges |
US5914991A (en) * | 1997-06-30 | 1999-06-22 | Siemens Medical Systems, Inc. | Syncronizing a data acquisition device with a host |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2106835C3 (de) * | 1971-02-13 | 1982-07-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Modemkoppler |
US3940558A (en) * | 1975-01-31 | 1976-02-24 | Digital Communications Corporation | Remote master/slave station clock |
GB1577331A (en) * | 1976-06-19 | 1980-10-22 | Plessey Co Ltd | Synchronisation arrangements for digital switching centres |
DE2743252A1 (de) * | 1977-09-26 | 1979-04-05 | Siemens Ag | Verfahren zur synchronisierung von in vermittlungsstellen eines fernmeldenetzes vorgesehenen amtstaktgebern |
FR2448257A1 (fr) * | 1979-02-05 | 1980-08-29 | Trt Telecom Radio Electr | Dispositif de resynchronisation rapide d'une horloge |
US4229816A (en) * | 1979-05-29 | 1980-10-21 | Redcom Laboratories, Inc. | Timing signal generation and distribution system for TDM telecommunications systems |
FR2478914B1 (fr) * | 1980-03-19 | 1986-01-31 | Ibm France | Procede et dispositif pour l'ajustement initial de l'horloge d'un recepteur de donnees synchrone |
-
1981
- 1981-12-29 EP EP81430044A patent/EP0082901B1/de not_active Expired
- 1981-12-29 DE DE8181430044T patent/DE3169628D1/de not_active Expired
-
1982
- 1982-10-27 JP JP57187673A patent/JPS58116833A/ja active Granted
- 1982-12-23 US US06/452,565 patent/US4523322A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0225575B2 (de) | 1990-06-04 |
JPS58116833A (ja) | 1983-07-12 |
EP0082901A1 (de) | 1983-07-06 |
US4523322A (en) | 1985-06-11 |
EP0082901B1 (de) | 1985-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |