DE3469834D1 - Locked time base - Google Patents
Locked time baseInfo
- Publication number
- DE3469834D1 DE3469834D1 DE8484105919T DE3469834T DE3469834D1 DE 3469834 D1 DE3469834 D1 DE 3469834D1 DE 8484105919 T DE8484105919 T DE 8484105919T DE 3469834 T DE3469834 T DE 3469834T DE 3469834 D1 DE3469834 D1 DE 3469834D1
- Authority
- DE
- Germany
- Prior art keywords
- generator
- timebase
- circuit
- input
- threshold detector
- 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
- 230000001360 synchronised effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0676—Mutual
-
- 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
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0691—Synchronisation in a TDM node
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Electric Clocks (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Liquid Crystal (AREA)
- Photoreceptors In Electrophotography (AREA)
- Medicinal Preparation (AREA)
- Plural Heterocyclic Compounds (AREA)
- Synchronizing For Television (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8308774A FR2546691B1 (fr) | 1983-05-27 | 1983-05-27 | Base de temps asservie |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3469834D1 true DE3469834D1 (en) | 1988-04-14 |
Family
ID=9289235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484105919T Expired DE3469834D1 (en) | 1983-05-27 | 1984-05-24 | Locked time base |
Country Status (10)
Country | Link |
---|---|
US (1) | US4630291A (de) |
EP (1) | EP0129098B1 (de) |
AT (1) | ATE32966T1 (de) |
CA (1) | CA1208338A (de) |
DE (1) | DE3469834D1 (de) |
FR (1) | FR2546691B1 (de) |
IE (1) | IE55602B1 (de) |
IN (1) | IN161782B (de) |
MX (1) | MX155327A (de) |
ZA (1) | ZA843998B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4849993A (en) * | 1987-12-10 | 1989-07-18 | Silicon General, Inc. | Clock holdover circuit |
US4864253A (en) * | 1987-12-22 | 1989-09-05 | Siemens Aktiengesellschaft | Phase locked loop wherein phase comparing and filtering are performed by microprocessor |
US4890305A (en) * | 1988-02-12 | 1989-12-26 | Northern Telecom Limited | Dual-tracking phase-locked loop |
US4933955A (en) * | 1988-02-26 | 1990-06-12 | Silicon General, Inc. | Timing generator |
US4980899A (en) * | 1988-06-21 | 1990-12-25 | Siemens Ag | Method and apparatus for synchronization of a clock signal generator particularly useful in a digital telecommunications exchange |
EP0349966A3 (de) * | 1988-07-08 | 1990-03-21 | Siemens Aktiengesellschaft | Verfahren zur Synchronisation eines Taktgenerators, insbesondere Taktgenerators einer digitalen Fernmeldevermittlungsstelle |
EP0391144A3 (de) * | 1989-04-07 | 1991-04-24 | Siemens Aktiengesellschaft | Verfahren zur Synchronisation einer Takteinrichtung eines getakteten elektrischen Systems |
US5052030A (en) * | 1989-05-31 | 1991-09-24 | Siemens Aktiengesellschaft | Method for synchronizing a clock, generated with the assistance of a counter, to a reference clock |
FR2653278B1 (fr) * | 1989-10-17 | 1995-07-21 | Cit Alcatel | Horloge synchronisee. |
EP0467458B1 (de) * | 1990-07-20 | 1996-12-18 | Koninklijke Philips Electronics N.V. | Anordnung zum Beibehalten der Frequenz eines Oszillators innerhalb eines vorbestimmten Frequenzbereiches |
US5208598A (en) * | 1990-10-31 | 1993-05-04 | Tektronix, Inc. | Digital pulse generator using leading and trailing edge placement |
US5990813A (en) * | 1996-08-27 | 1999-11-23 | Texas Instruments Incorporated | Method and apparatus for synchronizing external data to an internal timing signal |
US5905869A (en) * | 1996-09-27 | 1999-05-18 | Hewlett-Packard, Co. | Time of century counter synchronization using a SCI interconnect |
US6243372B1 (en) * | 1996-11-14 | 2001-06-05 | Omnipoint Corporation | Methods and apparatus for synchronization in a wireless network |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1444235A (fr) * | 1965-05-21 | 1966-07-01 | Thomson Houston Comp Francaise | Perfectionnements aux récepteurs radioélectriques à commande automatique de phase |
JPS513160A (de) * | 1974-06-25 | 1976-01-12 | Matsushita Electric Ind Co Ltd | |
US4005266A (en) * | 1975-07-14 | 1977-01-25 | The Singer Company | Method and apparatus for synchronizing master and local time base systems |
CH615789A5 (de) * | 1976-06-24 | 1980-02-15 | Oscilloquartz Sa | |
FR2390856A1 (fr) * | 1977-05-10 | 1978-12-08 | Lannionnais Electronique | Base de temps |
US4163946A (en) * | 1978-06-02 | 1979-08-07 | Gte Sylvania Incorporated | Noise-immune master timing generator |
DE2938043A1 (de) * | 1979-09-20 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | Redundantes taktversorgungssystem |
FR2513471A1 (fr) * | 1981-09-18 | 1983-03-25 | Cit Alcatel | Dispositif de distribution de signaux pour autocommutateur temporel |
-
1983
- 1983-05-27 FR FR8308774A patent/FR2546691B1/fr not_active Expired
-
1984
- 1984-05-24 AT AT84105919T patent/ATE32966T1/de not_active IP Right Cessation
- 1984-05-24 DE DE8484105919T patent/DE3469834D1/de not_active Expired
- 1984-05-24 EP EP84105919A patent/EP0129098B1/de not_active Expired
- 1984-05-25 IE IE1321/84A patent/IE55602B1/en unknown
- 1984-05-25 MX MX201469A patent/MX155327A/es unknown
- 1984-05-25 CA CA000455176A patent/CA1208338A/fr not_active Expired
- 1984-05-25 ZA ZA843998A patent/ZA843998B/xx unknown
- 1984-05-25 US US06/613,985 patent/US4630291A/en not_active Expired - Fee Related
- 1984-05-31 IN IN450/DEL/84A patent/IN161782B/en unknown
Also Published As
Publication number | Publication date |
---|---|
IE55602B1 (en) | 1990-11-21 |
EP0129098B1 (de) | 1988-03-09 |
ZA843998B (en) | 1985-07-31 |
IN161782B (de) | 1988-02-06 |
CA1208338A (fr) | 1986-07-22 |
MX155327A (es) | 1988-02-18 |
US4630291A (en) | 1986-12-16 |
FR2546691A1 (fr) | 1984-11-30 |
EP0129098A1 (de) | 1984-12-27 |
ATE32966T1 (de) | 1988-03-15 |
FR2546691B1 (fr) | 1985-07-05 |
IE841321L (en) | 1984-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |