IT1019268B - Apparecchiatura per indicare il livello di segnale - Google Patents

Apparecchiatura per indicare il livello di segnale

Info

Publication number
IT1019268B
IT1019268B IT53010/74A IT5301074A IT1019268B IT 1019268 B IT1019268 B IT 1019268B IT 53010/74 A IT53010/74 A IT 53010/74A IT 5301074 A IT5301074 A IT 5301074A IT 1019268 B IT1019268 B IT 1019268B
Authority
IT
Italy
Prior art keywords
indicate
equipment
signal level
level
signal
Prior art date
Application number
IT53010/74A
Other languages
English (en)
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of IT1019268B publication Critical patent/IT1019268B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/405—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of active, i.e. light emitting, e.g. electro-luminescent elements, i.e. bar graphs
    • G01R13/406—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of active, i.e. light emitting, e.g. electro-luminescent elements, i.e. bar graphs representing measured value by a dot or a single line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Analogue/Digital Conversion (AREA)
  • Dc Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
IT53010/74A 1973-09-14 1974-09-13 Apparecchiatura per indicare il livello di segnale IT1019268B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10407573A JPS5719436B2 (it) 1973-09-14 1973-09-14

Publications (1)

Publication Number Publication Date
IT1019268B true IT1019268B (it) 1977-11-10

Family

ID=14371020

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53010/74A IT1019268B (it) 1973-09-14 1974-09-13 Apparecchiatura per indicare il livello di segnale

Country Status (8)

Country Link
US (1) US3952247A (it)
JP (1) JPS5719436B2 (it)
CA (1) CA1012616A (it)
DE (1) DE2444059A1 (it)
FR (1) FR2244308B1 (it)
GB (1) GB1468292A (it)
IT (1) IT1019268B (it)
NL (1) NL186727C (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100487A (en) * 1977-03-30 1978-07-11 Nasa Lightning current waveform measuring system
JPS5418196U (it) * 1977-07-07 1979-02-06
US4222120A (en) * 1977-08-08 1980-09-09 Rca Corporation Tuning position display system
JPS5431783A (en) * 1977-08-13 1979-03-08 Terasaki Denki Sangyo Kk Indicator with light emitting diode
DE2816302C2 (de) * 1978-04-14 1983-11-17 Fresenius AG, 6380 Bad Homburg Anzeigevorrichtung für Meßwerte
JPS587340Y2 (ja) * 1978-04-14 1983-02-08 松下電器産業株式会社 表示装置
JPS6034156Y2 (ja) * 1978-06-30 1985-10-11 ヤマハ株式会社 Ｐｃｍ方式記録装置
JPS5843012Y2 (ja) * 1978-07-17 1983-09-29 株式会社ケンウッド 点灯指示器
US4374359A (en) * 1979-10-04 1983-02-15 IREQ--Institut de Recherche de l'Hydro-Quebec System and method of sensing current in high voltage transmission lines utilizing the transmission of digital information by optical fibers
JPS6331089Y2 (it) * 1980-03-18 1988-08-19
JPS6331088Y2 (it) * 1980-03-18 1988-08-19
US4345247A (en) * 1980-09-29 1982-08-17 Thornton William E Display system for steady state waves
JPS57132251U (it) * 1981-02-12 1982-08-18
JPS60260992A (ja) * 1984-06-08 1985-12-24 富士通テン株式会社 信号レベル表示装置
NL8402918A (nl) * 1984-09-25 1986-04-16 Philips Nv Niveau-indikator.
US4779042A (en) * 1986-12-23 1988-10-18 Grumman Aerospace Corporation Computer-aided probe with tri-state circuitry test capability
US5119426A (en) * 1990-06-07 1992-06-02 Peavey Electronics Corporation Linear array level meter displaying multiple audio characteristics
US5737428A (en) * 1995-08-18 1998-04-07 Peavey Electronics Corporation Circuit for providing visual indication of feedback

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1065436A (en) * 1964-07-17 1967-04-12 Adage Inc Apparatus for determining peak values in digital form of an analog signal
DE2018386A1 (it) * 1970-04-17 1971-10-28 Ulrich Knick Elektronische Mes
US3795863A (en) * 1970-04-20 1974-03-05 Hitachi Ltd Voltage indicator employing a resistive network and light emitting diodes
US3866120A (en) * 1971-10-06 1975-02-11 Lumenition Ltd Devices for measuring shaft R.P.M.
US3825827A (en) * 1972-04-13 1974-07-23 Bendix Corp Columnar display for electrical signals with digital signal limit set
JPS5046352A (it) * 1973-08-30 1975-04-25

Also Published As

Publication number Publication date
DE2444059A1 (de) 1975-03-20
FR2244308B1 (it) 1980-12-12
NL7412269A (nl) 1975-03-18
GB1468292A (en) 1977-03-23
JPS5719436B2 (it) 1982-04-22
DE2444059C2 (it) 1987-01-02
NL186727C (nl) 1991-02-01
CA1012616A (en) 1977-06-21
JPS5056219A (it) 1975-05-16
NL186727B (nl) 1990-09-03
US3952247A (en) 1976-04-20
FR2244308A1 (it) 1975-04-11

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930921