DE69023450D1 - Generator für Topologie-unhabhängige Referenzsignale. - Google Patents

Generator für Topologie-unhabhängige Referenzsignale.

Info

Publication number
DE69023450D1
DE69023450D1 DE69023450T DE69023450T DE69023450D1 DE 69023450 D1 DE69023450 D1 DE 69023450D1 DE 69023450 T DE69023450 T DE 69023450T DE 69023450 T DE69023450 T DE 69023450T DE 69023450 D1 DE69023450 D1 DE 69023450D1
Authority
DE
Germany
Prior art keywords
topology
generator
reference signals
independent reference
independent
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 - Fee Related
Application number
DE69023450T
Other languages
English (en)
Other versions
DE69023450T2 (de
Inventor
Hans A M Wiggers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agilent Technologies Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69023450D1 publication Critical patent/DE69023450D1/de
Application granted granted Critical
Publication of DE69023450T2 publication Critical patent/DE69023450T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • 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
    • H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Information Transfer Systems (AREA)
DE69023450T 1989-10-10 1990-08-28 Generator für Topologie-unhabhängige Referenzsignale. Expired - Fee Related DE69023450T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/419,345 US4998262A (en) 1989-10-10 1989-10-10 Generation of topology independent reference signals

Publications (2)

Publication Number Publication Date
DE69023450D1 true DE69023450D1 (de) 1995-12-14
DE69023450T2 DE69023450T2 (de) 1996-06-05

Family

ID=23661855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023450T Expired - Fee Related DE69023450T2 (de) 1989-10-10 1990-08-28 Generator für Topologie-unhabhängige Referenzsignale.

Country Status (4)

Country Link
US (1) US4998262A (de)
EP (1) EP0422373B1 (de)
JP (1) JP3223510B2 (de)
DE (1) DE69023450T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1301261C (en) * 1988-04-27 1992-05-19 Wayne D. Grover Method and apparatus for clock distribution and for distributed clock synchronization
US6751696B2 (en) 1990-04-18 2004-06-15 Rambus Inc. Memory device having a programmable register
IL96808A (en) 1990-04-18 1996-03-31 Rambus Inc Introductory / Origin Circuit Agreed Using High-Performance Brokerage
WO1993018463A1 (en) * 1992-03-06 1993-09-16 Rambus, Inc. Method and circuitry for minimizing clock-data skew in a bus system
JP3194314B2 (ja) * 1993-04-28 2001-07-30 ソニー株式会社 同期型回路
US5570054A (en) * 1994-09-26 1996-10-29 Hitachi Micro Systems, Inc. Method and apparatus for adaptive clock deskewing
US5570053A (en) * 1994-09-26 1996-10-29 Hitachi Micro Systems, Inc. Method and apparatus for averaging clock skewing in clock distribution network
US6046840A (en) * 1995-06-19 2000-04-04 Reflectivity, Inc. Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
US5852640A (en) * 1995-06-26 1998-12-22 Kliza; Phillip S. Clock distribution apparatus with current sensed skew cancelling
US5896055A (en) * 1995-11-30 1999-04-20 Matsushita Electronic Industrial Co., Ltd. Clock distribution circuit with clock branch circuits connected to outgoing and return lines and outputting synchronized clock signals by summing time integrals of clock signals on the outgoing and return lines
US5734685A (en) * 1996-01-03 1998-03-31 Credence Systems Corporation Clock signal deskewing system
US5712882A (en) * 1996-01-03 1998-01-27 Credence Systems Corporation Signal distribution system
US5892981A (en) * 1996-10-10 1999-04-06 Hewlett-Packard Company Memory system and device
KR100284741B1 (ko) * 1998-12-18 2001-03-15 윤종용 로컬클럭 신호 발생회로 및 방법, 내부클럭신호 발생회로 및방법,이를 이용한 반도체 메모리 장치
US7035269B2 (en) * 2000-02-02 2006-04-25 Mcgill University Method and apparatus for distributed synchronous clocking
JP3498069B2 (ja) * 2000-04-27 2004-02-16 Ｎｅｃエレクトロニクス株式会社 クロック制御回路および方法
US7099065B2 (en) * 2000-08-03 2006-08-29 Reflectivity, Inc. Micromirrors with OFF-angle electrodes and stops
US6563358B1 (en) 2000-09-20 2003-05-13 Nortel Networks Limited Technique for distributing common phase clock signals
US6898726B1 (en) 2000-11-15 2005-05-24 Micron Technology, Inc. Memory system that sets a predetermined phase relationship between read and write clock signals at a bus midpoint for a plurality of spaced device locations
US7405860B2 (en) * 2002-11-26 2008-07-29 Texas Instruments Incorporated Spatial light modulators with light blocking/absorbing areas
US20040232956A1 (en) * 2003-05-22 2004-11-25 Rambus Inc Synchronized clocking
US6861884B1 (en) 2003-08-04 2005-03-01 Rambus Inc. Phase synchronization for wide area integrated circuits
US7787170B2 (en) * 2004-06-15 2010-08-31 Texas Instruments Incorporated Micromirror array assembly with in-array pillars
US7113322B2 (en) * 2004-06-23 2006-09-26 Reflectivity, Inc Micromirror having offset addressing electrode
US7324403B2 (en) * 2004-09-24 2008-01-29 Intel Corporation Latency normalization by balancing early and late clocks
US7092143B2 (en) * 2004-10-19 2006-08-15 Reflectivity, Inc Micromirror array device and a method for making the same
US7295363B2 (en) 2005-04-08 2007-11-13 Texas Instruments Incorporated Optical coating on light transmissive substrates of micromirror devices
US7233274B1 (en) 2005-12-20 2007-06-19 Impinj, Inc. Capacitive level shifting for analog signal processing
US20070260841A1 (en) 2006-05-02 2007-11-08 Hampel Craig E Memory module with reduced access granularity
EP2174442A4 (de) 2007-07-20 2012-03-07 Blue Danube Labs Inc Verfahren und system für mehrpunktsignalerzeugung mit phasensynchronisierten lokalen trägern

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876983A (en) * 1974-04-29 1975-04-08 Ibm Synchronous disconnection and rearrangement
US4541100A (en) * 1981-05-15 1985-09-10 Tektronix, Inc. Apparatus including a programmable set-up and hold feature
JPS6030898B2 (ja) * 1981-05-15 1985-07-19 テクトロニクス・インコ−ポレイテツド ロジツク・アナライザの入力装置
AU549343B2 (en) * 1981-06-08 1986-01-23 British Telecommunications Public Limited Company Phase locking
FR2526250B1 (fr) * 1982-04-30 1988-05-13 Labo Electronique Physique Procede de calage temporel automatique de stations dans un systeme de transmission par multiplex et de traitement de donnees
US4604582A (en) * 1985-01-04 1986-08-05 Lockheed Electronics Company, Inc. Digital phase correlator
EP0198932B1 (de) * 1985-04-23 1990-07-25 International Business Machines Corporation Nebenanschlussanordnung und Verfahren zum Stationsanschliessen für ein Ringkommunikationssystem
CA1297171C (en) * 1986-04-01 1992-03-10 Samuel Howard Gailbreath Jr. Digital phase lock loop
US4795985A (en) * 1986-04-01 1989-01-03 Hewlett-Packard Company Digital phase lock loop
DE3629931A1 (de) * 1986-09-03 1988-03-10 Philips Patentverwaltung Hierarchisches synchronisationsverfahren und schaltungsanordnung fuer vermittlungsstellen eines vermaschten fernmeldenetzes

Also Published As

Publication number Publication date
JP3223510B2 (ja) 2001-10-29
US4998262A (en) 1991-03-05
JPH03142553A (ja) 1991-06-18
EP0422373B1 (de) 1995-11-08
EP0422373A3 (en) 1992-01-02
DE69023450T2 (de) 1996-06-05
EP0422373A2 (de) 1991-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US

8339 Ceased/non-payment of the annual fee