JPS4718206A - - Google Patents

Info

Publication number
JPS4718206A
JPS4718206A JP1251872A JP1251872A JPS4718206A JP S4718206 A JPS4718206 A JP S4718206A JP 1251872 A JP1251872 A JP 1251872A JP 1251872 A JP1251872 A JP 1251872A JP S4718206 A JPS4718206 A JP S4718206A
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
JP1251872A
Other languages
Japanese (ja)
Other versions
JPS5620739B1 (enExample
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 JPS4718206A publication Critical patent/JPS4718206A/ja
Publication of JPS5620739B1 publication Critical patent/JPS5620739B1/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP1251872A 1971-02-04 1972-02-03 Pending JPS5620739B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/112,714 US3978282A (en) 1971-02-04 1971-02-04 Apparatus and method for measuring the transmission characteristics of a network

Publications (2)

Publication Number Publication Date
JPS4718206A true JPS4718206A (enExample) 1972-09-13
JPS5620739B1 JPS5620739B1 (enExample) 1981-05-15

Family

ID=22345477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1251872A Pending JPS5620739B1 (enExample) 1971-02-04 1972-02-03

Country Status (2)

Country Link
US (1) US3978282A (enExample)
JP (1) JPS5620739B1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465154A (en) * 1977-11-04 1979-05-25 Kawasaki Steel Co Production of reduced iron powde with high bulk density and good compressability
JPS63134601A (ja) * 1986-11-26 1988-06-07 Kobe Steel Ltd 高圧縮性水アトマイズ鋼粉の製造方法
US5713982A (en) * 1995-12-13 1998-02-03 Clark; Donald W. Iron powder and method of producing such

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025854A (en) * 1975-09-26 1977-05-24 Gte Automatic Electric Laboratories Incorporated In-service technique for measuring transmission characteristics of a microwave radio link
GB1604678A (en) * 1978-05-30 1981-12-16 Indep Broadcasting Authority Television systems
US4700222A (en) * 1985-05-30 1987-10-13 Gill Industries, Incorporated Apparatus and method of testing the frequency response of a cable television system
US4797735A (en) * 1985-07-04 1989-01-10 Matsushita Electric Industrial Co., Ltd. Distortion surveillance apparatus for television signal transmission system
US5977773A (en) * 1997-08-15 1999-11-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive impedance-based cable tester
US5894223A (en) * 1997-09-24 1999-04-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive cable tester
US6091447A (en) * 1997-10-01 2000-07-18 Gershfeld; Jack Methods of evaluating performance of video systems and compensating for degradation of video signals
US6278485B1 (en) 1997-12-01 2001-08-21 Wavetek Corporation Preconfigured CATV sweep testing method and apparatus
US6978476B2 (en) * 2000-05-16 2005-12-20 Comsonics Device and method of determining location of signal ingress
SE0100454D0 (sv) * 2001-02-13 2001-02-13 Ericsson Telefon Ab L M Effektdetektor med utökat detekteringsområde
US6631339B2 (en) * 2001-04-12 2003-10-07 Intel Corporation Data path evaluation system and method
US7548068B2 (en) * 2004-11-30 2009-06-16 Intelliserv International Holding, Ltd. System for testing properties of a network
US8327409B2 (en) * 2008-04-25 2012-12-04 Acterna Llc Testing CATV networks with direct sequence spread spectrum signals
PL227094B1 (pl) * 2010-04-29 2017-10-31 Kabelkom Spółka Z Ograniczoną Odpowiedzialnością Sposób znakowania sygnałów uzywanych dowykrywania ipomiaru wycieków wsieciach telewizji kablowej oraz urzadzenie dowykrywania i/lub pomiaru wycieków znakowanych tym sposobem
MX343282B (es) 2011-06-27 2016-10-31 Trilithic Inc Metodo para detectar fugas en sistemas digitalmente modulados.
CN106162478B (zh) * 2016-08-16 2019-08-06 北京小米移动软件有限公司 麦克风优选方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1590362A (en) * 1924-04-24 1926-06-29 Western Electric Co Transmission regulation
US2588730A (en) * 1947-05-02 1952-03-11 Wayne R Johnson Method and apparatus for frequency response measurement
US2685062A (en) * 1950-07-18 1954-07-27 Rca Corp Signal transmission analyzing system
US2945178A (en) * 1956-12-13 1960-07-12 Bell Telephone Labor Inc Television transmission evaluator
DE1462183B2 (de) * 1964-09-11 1969-09-25 Nippon Electric Company Ltd., Tokio Mehrfachfrequenz-Satellitennachrichtenübertragungssystem
US3360729A (en) * 1965-08-27 1967-12-26 Anthony C Palatinus Intermodulation distortion test set for independent sideband transmitters
AT303845B (de) * 1969-10-30 1972-12-11 Uzinele Elektronica Verfahren und Schaltungsanordnung für die Erzeugung von Frequenzmarken
US3651403A (en) * 1970-05-18 1972-03-21 Jerrold Electronics Corp Simultaneous sweep testing system for catv
JPS5045088A (enExample) * 1973-08-27 1975-04-22

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465154A (en) * 1977-11-04 1979-05-25 Kawasaki Steel Co Production of reduced iron powde with high bulk density and good compressability
JPS63134601A (ja) * 1986-11-26 1988-06-07 Kobe Steel Ltd 高圧縮性水アトマイズ鋼粉の製造方法
US5713982A (en) * 1995-12-13 1998-02-03 Clark; Donald W. Iron powder and method of producing such
US6569220B1 (en) 1995-12-13 2003-05-27 Donald W. Clark Iron powder and method of producing such

Also Published As

Publication number Publication date
US3978282A (en) 1976-08-31
JPS5620739B1 (enExample) 1981-05-15

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