ID16865A - Metode-metode dan filter untuk mengisolasi gangguan masukan ke hulu dalam sistem kabel dua arah - Google Patents

Metode-metode dan filter untuk mengisolasi gangguan masukan ke hulu dalam sistem kabel dua arah

Info

Publication number
ID16865A
ID16865A IDP971486A ID971486A ID16865A ID 16865 A ID16865 A ID 16865A ID P971486 A IDP971486 A ID P971486A ID 971486 A ID971486 A ID 971486A ID 16865 A ID16865 A ID 16865A
Authority
ID
Indonesia
Prior art keywords
filters
interference
insulating
methods
wiring system
Prior art date
Application number
IDP971486A
Other languages
English (en)
Inventor
Stuart Baker Sanders
Vivian Therese Lund
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of ID16865A publication Critical patent/ID16865A/id

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1758—Series LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/24—Frequency-independent attenuators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/06—Frequency selective two-port networks including resistors
    • H03H7/065—Parallel T-filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/28—Reducing interference caused by currents induced in cable sheathing or armouring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
    • H04N7/104—Switchers or splitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IDP971486A 1996-05-09 1997-05-05 Metode-metode dan filter untuk mengisolasi gangguan masukan ke hulu dalam sistem kabel dua arah ID16865A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/644,029 US5737461A (en) 1996-05-09 1996-05-09 Methods and filter for isolating upstream ingress noise in a bi-directional cable system

Publications (1)

Publication Number Publication Date
ID16865A true ID16865A (id) 1997-11-20

Family

ID=24583155

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP971486A ID16865A (id) 1996-05-09 1997-05-05 Metode-metode dan filter untuk mengisolasi gangguan masukan ke hulu dalam sistem kabel dua arah

Country Status (5)

Country Link
US (1) US5737461A (id)
CN (1) CN1089497C (id)
BR (1) BR9703105A (id)
DE (1) DE19718945C2 (id)
ID (1) ID16865A (id)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6880170B1 (en) * 1994-11-30 2005-04-12 General Instrument Corporation Ingress detection and attenuation
CN1174639A (zh) * 1995-01-30 1998-02-25 摩托罗拉公司 净化频带的方法和系统
DE19859642A1 (de) * 1998-12-23 2000-06-29 Alcatel Sa Modul für ein Punkt-zu-Mehrpunkt Übertragungsnetz
US7620611B1 (en) * 1999-07-20 2009-11-17 Trilithic, Inc. Neural networks for ingress monitoring
US20020141347A1 (en) * 2001-03-30 2002-10-03 Harp Jeffrey C. System and method of reducing ingress noise
US7039432B2 (en) * 2001-12-04 2006-05-02 General Instrument Corporation Dynamic upstream attenuation for ingress noise reduction
DE10214068B4 (de) * 2002-03-28 2009-02-19 Advanced Micro Devices, Inc., Sunnyvale ESD-Schutzschaltung für Radiofrequenz-Ausgangsanschlüsse in einer integrierten Schaltung
US8763063B2 (en) * 2004-06-01 2014-06-24 Time Warner Cable Enterprises Llc Controlled isolation splitter apparatus and methods
US20140380399A1 (en) * 2009-04-01 2014-12-25 David Zilberberg System for reducing return signal noise without radio frequency switching devices
CN102484749A (zh) * 2009-04-01 2012-05-30 戴维·兹尔勃贝格 降低catv家用放大器上行通路中噪声的系统和方法
WO2010126472A1 (en) * 2009-04-27 2010-11-04 Thomson Licensing Signal splitter for moca systems
US8724681B2 (en) 2011-06-27 2014-05-13 Jds Uniphase Corporation Ingress noise localization in a cable network
US9357163B2 (en) 2012-09-20 2016-05-31 Viavi Solutions Inc. Characterizing ingress noise

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87208358U (zh) * 1987-05-18 1988-03-30 中国人民解放军空军气象学院训练部科研处 无外加电源的电话增音器
US5235619A (en) * 1990-03-20 1993-08-10 Scientific-Atlanta, Inc. Cable television radio frequency subscriber data transmission apparatus and rf return method
US5109286A (en) * 1988-03-10 1992-04-28 Scientific-Atlanta, Inc. CATV reverse path manifold system
US5243647A (en) * 1992-06-10 1993-09-07 Scientific-Atlanta, Inc. Method and apparatus for broadband signal distribution
US5604528A (en) * 1992-06-10 1997-02-18 Scientific-Atlanta, Inc. Method and apparatus for providing periodic subscription television services
US5590173A (en) * 1992-08-05 1996-12-31 Beasley; Andrew S. Delay insensitive base station-to-handset interface for radio telephone systems
US5528582A (en) * 1994-07-29 1996-06-18 At&T Corp. Network apparatus and method for providing two way broadband communications

Also Published As

Publication number Publication date
US5737461A (en) 1998-04-07
DE19718945C2 (de) 2000-01-13
CN1166070A (zh) 1997-11-26
DE19718945A1 (de) 1997-11-13
CN1089497C (zh) 2002-08-21
BR9703105A (pt) 1998-06-30

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