JPS49121423A - - Google Patents

Info

Publication number
JPS49121423A
JPS49121423A JP49008212A JP821274A JPS49121423A JP S49121423 A JPS49121423 A JP S49121423A JP 49008212 A JP49008212 A JP 49008212A JP 821274 A JP821274 A JP 821274A JP S49121423 A JPS49121423 A JP S49121423A
Authority
JP
Japan
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.)
Pending
Application number
JP49008212A
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 filed Critical
Publication of JPS49121423A publication Critical patent/JPS49121423A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/44—Arrangements for feeding power to a repeater along the transmission line
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP49008212A 1973-03-05 1974-01-17 Pending JPS49121423A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2310885A DE2310885B2 (de) 1973-03-05 1973-03-05 Verfahren zur Gleichstromfernspeisung in einem System zur Übertragung und Verteilung von Hochfrequenz-Energie

Publications (1)

Publication Number Publication Date
JPS49121423A true JPS49121423A (ja) 1974-11-20

Family

ID=5873841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49008212A Pending JPS49121423A (ja) 1973-03-05 1974-01-17

Country Status (3)

Country Link
US (1) US3909560A (ja)
JP (1) JPS49121423A (ja)
DE (1) DE2310885B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57159187A (en) * 1981-03-25 1982-10-01 Zen Nippon Tv Service Kk Power supply picking up method for transceiver for catv

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1554411A (en) * 1975-08-09 1979-10-17 Communications Patents Ltd Control systems
US4004110A (en) * 1975-10-07 1977-01-18 Westinghouse Electric Corporation Power supply for power line carrier communication systems
JPS5850666Y2 (ja) * 1977-06-09 1983-11-18 ホーチキ株式会社 増幅器可変減衰回路の遠隔制御装置
US4194179A (en) * 1977-11-18 1980-03-18 Becton, Dickinson & Company Active antenna for medical telemetry monitoring systems
DE2807986A1 (de) * 1978-02-22 1979-08-30 Hertz Inst Heinrich Anlage fuer interaktives kabelfernsehen
US4176320A (en) * 1978-09-28 1979-11-27 Victor Leshkowitz Transmission trunk powering system
US4577221A (en) * 1984-11-29 1986-03-18 American Television & Communications Corporation Power safety device for CATV tap-off unit
JPS61144977A (ja) * 1984-12-19 1986-07-02 Toshiba Corp 電力供給制御回路
IL111321A (en) 1994-10-18 1999-04-11 Silberberg David Back-up system for the supply of voltage in television cable systems
US5747888A (en) * 1995-10-17 1998-05-05 Zilberberg; David Back up system for the supply of voltage in television cable systems
WO1998001962A1 (en) * 1996-07-08 1998-01-15 Antec Corporation Low-noise, high rms switching power supply for broadband signal distribution system
US5844327A (en) * 1996-08-21 1998-12-01 Antec Corporation Apparatus and method for optimizing power distributed in a broadband signal system
US6933626B2 (en) * 2001-04-24 2005-08-23 Alphatec Ltd. Ferroelectric transformer-free uninterruptible power supply (UPS) systems and methods for communications signal distribution systems
US8575779B2 (en) 2010-02-18 2013-11-05 Alpha Technologies Inc. Ferroresonant transformer for use in uninterruptible power supplies
US9030045B2 (en) 2011-01-23 2015-05-12 Alpha Technologies Inc. Switching systems and methods for use in uninterruptible power supplies
US9234916B2 (en) 2012-05-11 2016-01-12 Alpha Technologies Inc. Status monitoring cables for generators
AU2016321418A1 (en) 2015-09-13 2018-04-05 Alpha Technologies Services, Inc. Power control systems and methods
US10381867B1 (en) 2015-10-16 2019-08-13 Alpha Technologeis Services, Inc. Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies
WO2019014682A1 (en) 2017-07-14 2019-01-17 Alpha Technologies Inc. SYSTEMS AND METHODS FOR ALTERNATING CURRENT POWER SUPPLY WITH VOLTAGE REGULATION

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2006994A (en) * 1932-05-10 1935-07-02 Rca Corp Radio frequency distribution system
US3064195A (en) * 1960-05-05 1962-11-13 Benco Television Associates Lt Signal distribution system
US3368031A (en) * 1964-07-06 1968-02-06 Universal Match Corp Subscription television system having program use recording
US3699250A (en) * 1965-01-11 1972-10-17 Bunting Sterisystems Inc Process and signal distributing system and apparatus used therein
US3543163A (en) * 1966-06-08 1970-11-24 Anaconda Electronics Co Cable television signal level optimization
US3435358A (en) * 1966-06-08 1969-03-25 Anaconda Electronics Co Cable television amplifier powering
US3535640A (en) * 1966-06-16 1970-10-20 Anaconda Wire & Cable Co Reduction of distortion and losses in cable television distribution systems
NL6711758A (ja) * 1967-08-25 1969-02-27
US3566275A (en) * 1968-04-30 1971-02-23 Jfd Electronics Corp Output splitting circuit using ferrite isolators and d-c feedthrough

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57159187A (en) * 1981-03-25 1982-10-01 Zen Nippon Tv Service Kk Power supply picking up method for transceiver for catv

Also Published As

Publication number Publication date
DE2310885A1 (de) 1974-09-12
DE2310885B2 (de) 1978-10-26
US3909560A (en) 1975-09-30

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