DE69018295D1 - Ortungsgerät für Rundfunkstationen in einem lokalen Netzwerk. - Google Patents

Ortungsgerät für Rundfunkstationen in einem lokalen Netzwerk.

Info

Publication number
DE69018295D1
DE69018295D1 DE69018295T DE69018295T DE69018295D1 DE 69018295 D1 DE69018295 D1 DE 69018295D1 DE 69018295 T DE69018295 T DE 69018295T DE 69018295 T DE69018295 T DE 69018295T DE 69018295 D1 DE69018295 D1 DE 69018295D1
Authority
DE
Germany
Prior art keywords
echo
cable
locator
echo pulse
tdp
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
DE69018295T
Other languages
English (en)
Other versions
DE69018295T2 (de
Inventor
Michael Conrad
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.)
HP 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 DE69018295D1 publication Critical patent/DE69018295D1/de
Application granted granted Critical
Publication of DE69018295T2 publication Critical patent/DE69018295T2/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
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
DE69018295T 1989-02-28 1990-01-31 Ortungsgerät für Rundfunkstationen in einem lokalen Netzwerk. Expired - Fee Related DE69018295T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/317,185 US5048009A (en) 1989-02-28 1989-02-28 Broadcast station locator for a local area network

Publications (2)

Publication Number Publication Date
DE69018295D1 true DE69018295D1 (de) 1995-05-11
DE69018295T2 DE69018295T2 (de) 1995-10-19

Family

ID=23232504

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018295T Expired - Fee Related DE69018295T2 (de) 1989-02-28 1990-01-31 Ortungsgerät für Rundfunkstationen in einem lokalen Netzwerk.

Country Status (6)

Country Link
US (1) US5048009A (de)
EP (1) EP0389754B1 (de)
JP (1) JPH02277338A (de)
AT (1) ATE120910T1 (de)
CA (1) CA2005271A1 (de)
DE (1) DE69018295T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5434861A (en) * 1989-02-02 1995-07-18 Pritty; David Deterministic timed bus access method
EP0381878B1 (de) * 1989-02-08 1994-11-30 Hewlett-Packard Company Verfahren und Gerät zur Diagnose von Netzwerken
US5179670A (en) * 1989-12-01 1993-01-12 Mips Computer Systems, Inc. Slot determination mechanism using pulse counting
JPH03226883A (ja) * 1990-01-31 1991-10-07 Mitsubishi Electric Corp 制御プロセッサ
US5315590A (en) * 1990-02-15 1994-05-24 Advanced Micro Devices Inc. Selectable repeater port reconnection method and apparatus
US5198805A (en) * 1990-09-04 1993-03-30 Hewlett-Packard Company Method and apparatus for monitoring a network and locating a node using signal strength calculations
EP0474379B1 (de) * 1990-09-04 1995-11-22 Hewlett-Packard Company Verfahren und Gerät zur Auswertung der Knoten in einem Rechnernetzwerk
DE69218913T2 (de) * 1992-01-31 1997-07-17 Cit Alcatel Verfahren zur Bestimmung der Laufzeit zwischen einer entfernten Endstation und einer zentralen Endstation, in einem bidirektionalen Punkt-zu-Mehrpunkt-Übertragungssystem
USRE39879E1 (en) * 1992-03-06 2007-10-09 Rambus, Inc. Method of transferring data by transmitting lower order and upper order memory address bits in separate words with respective op codes and start information
US5715407A (en) * 1992-03-06 1998-02-03 Rambus, Inc. Process and apparatus for collision detection on a parallel bus by monitoring a first line of the bus during even bus cycles for indications of overlapping packets
JPH07245614A (ja) * 1994-03-04 1995-09-19 Fujitsu Ltd Ｌａｎ上の装置間距離測定方法及び距離測定装置
WO1996008897A1 (fr) * 1994-09-12 1996-03-21 Hitachi Electronics Services Co., Ltd. Procede de collecte d'informations concernant la constitution materielle d'un reseau local, d'identification du terminal ou une collision s'est produite et de detection l'emplacement ou un bruit se produit
CA2244724A1 (en) * 1996-01-29 1997-07-31 Lecroy Corporation Packet network monitoring device
US5812554A (en) * 1996-05-28 1998-09-22 Advanced Micro Devices, Inc. Efficiency of a network having a minimum data transmission time
JP3747525B2 (ja) * 1996-08-28 2006-02-22 株式会社日立製作所 並列データベースシステム検索方法
DE19710971A1 (de) * 1997-03-17 1998-09-24 Siemens Ag Verfahren zur Bestimmung der Laufzeit eines Telegramms sowie Teilnehmer zur Durchführung des Verfahrens
US6182135B1 (en) 1998-02-05 2001-01-30 3Com Corporation Method for determining whether two pieces of network equipment are directly connected
US6367018B1 (en) 1998-02-05 2002-04-02 3Com Corporation Method for detecting dedicated link between an end station and a network device
WO2001058067A1 (de) * 2000-02-02 2001-08-09 Siemens Aktiengesellschaft Uhrzeitsynchronisation in einem netzwerk sowie netzwerkteilnehmer, insbesondere feldgerät, für ein derartiges netzwerk
DE10004426A1 (de) * 2000-02-02 2001-08-09 Siemens Ag Netzwerkteilnehmer, insbesondere Feldgerät, sowie Netzwerk mit einem derartigen Netzwerkteilnehmer
US20020029207A1 (en) * 2000-02-28 2002-03-07 Hyperroll, Inc. Data aggregation server for managing a multi-dimensional database and database management system having data aggregation server integrated therein
US7724761B1 (en) * 2000-03-07 2010-05-25 Juniper Networks, Inc. Systems and methods for reducing reflections and frequency dependent dispersions in redundant links
US20030235214A1 (en) * 2002-05-07 2003-12-25 Andre Leroux Service channel over the Ethernet inter-frame gap
US6947939B2 (en) * 2002-05-08 2005-09-20 Hitachi, Ltd. System and methods to manage wide storage area network
US20090003379A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. System and method for wireless communication of uncompressed media data having media data packet synchronization
TWI722590B (zh) * 2019-10-02 2021-03-21 瑞昱半導體股份有限公司 目標時脈調整方法及其無線裝置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434049A (en) * 1965-12-06 1969-03-18 Tektronix Inc Time domain reflectometry system having a current source for locating discontinuities in a transmission line
US3727128A (en) * 1971-08-09 1973-04-10 Ferrin M Mc Tdr cable fault location
DE2317304C3 (de) * 1973-04-06 1979-03-29 Howaldtswerke-Deutsche Werft Ag Hamburg Und Kiel, 2300 Kiel Schaltungsanordnung zum Messen hxxochohmiger Kabelfehler in Fernmeldenetzen und ähnlichen Netzen
US4291204A (en) * 1978-02-09 1981-09-22 Crick Robert G Fault locating system for electric cables and the like
EP0006005A1 (de) * 1978-05-31 1979-12-12 BICC Limited Apparat und Verfahren zur Lokalisierung von Fehlern in elektrischen Kabeln
US4479228A (en) * 1981-03-11 1984-10-23 3Com Corporation Local computer network transceiver
US4404514A (en) * 1981-08-24 1983-09-13 General Instrument Corporation Fault detection system as for locating faulty connections in a cable television system
US4538103A (en) * 1982-08-30 1985-08-27 John Cappon Time domain reflectometer apparatus for identifying the location of cable defects
JPS61145995A (ja) * 1984-12-20 1986-07-03 Toshiba Corp 集線分配装置
US4755742A (en) * 1986-04-30 1988-07-05 Tektronix, Inc. Dual channel time domain reflectometer
US4766386A (en) * 1986-05-23 1988-08-23 Cabletron Time domain reflectometer for measuring impedance discontinuities on a powered transmission line
US4739276A (en) * 1986-06-12 1988-04-19 Maris Graube Method and apparatus for digital time domain reflectometry

Also Published As

Publication number Publication date
EP0389754B1 (de) 1995-04-05
US5048009A (en) 1991-09-10
CA2005271A1 (en) 1990-08-31
JPH02277338A (ja) 1990-11-13
EP0389754A3 (de) 1991-11-06
DE69018295T2 (de) 1995-10-19
EP0389754A2 (de) 1990-10-03
ATE120910T1 (de) 1995-04-15

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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