SE7803103L - Signalnivaindikator - Google Patents

Signalnivaindikator

Info

Publication number
SE7803103L
SE7803103L SE7803103A SE7803103A SE7803103L SE 7803103 L SE7803103 L SE 7803103L SE 7803103 A SE7803103 A SE 7803103A SE 7803103 A SE7803103 A SE 7803103A SE 7803103 L SE7803103 L SE 7803103L
Authority
SE
Sweden
Prior art keywords
signal level
level indicator
indicator
signal
level
Prior art date
Application number
SE7803103A
Other languages
English (en)
Inventor
A Kokei
M Ohshima
K Sakai
Original Assignee
Matsushita Electric Ind Co Ltd
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
Priority claimed from JP3092577A external-priority patent/JPS53116136A/ja
Priority claimed from JP3092777A external-priority patent/JPS5853431B2/ja
Priority claimed from JP3423377U external-priority patent/JPS53129374U/ja
Priority claimed from JP3092877A external-priority patent/JPS599099B2/ja
Priority claimed from JP3726277A external-priority patent/JPS53122464A/ja
Priority claimed from JP3726077A external-priority patent/JPS53122400A/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of SE7803103L publication Critical patent/SE7803103L/sv

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
    • 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
    • B60K35/60—
SE7803103A 1977-03-18 1978-03-17 Signalnivaindikator SE7803103L (sv)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP3092577A JPS53116136A (en) 1977-03-18 1977-03-18 Level display device
JP3092777A JPS5853431B2 (ja) 1977-03-18 1977-03-18 レベル表示装置
JP3423377U JPS53129374U (sv) 1977-03-18 1977-03-18
JP3092877A JPS599099B2 (ja) 1977-03-18 1977-03-18 レベル表示装置
JP3726277A JPS53122464A (en) 1977-03-31 1977-03-31 Level display device
JP3726077A JPS53122400A (en) 1977-03-31 1977-03-31 Audio unit

Publications (1)

Publication Number Publication Date
SE7803103L true SE7803103L (sv) 1978-09-19

Family

ID=27549563

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7803103A SE7803103L (sv) 1977-03-18 1978-03-17 Signalnivaindikator

Country Status (2)

Country Link
US (1) US4262255A (sv)
SE (1) SE7803103L (sv)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528501A (en) * 1981-04-10 1985-07-09 Dorrough Electronics Dual loudness meter and method
JPS58190766A (ja) * 1982-04-20 1983-11-07 Regie Natl Usines Renault 自動車用タコメ−タの表示装置
US4870349A (en) * 1986-08-19 1989-09-26 Pioneer Electronic Corporation Digital level indicating device
US4958367A (en) * 1987-09-17 1990-09-18 Freer Raymond F Multichannel communications recorder having the capability to display channel activity and status
KR920001384Y1 (ko) * 1989-07-13 1992-02-22 삼성전자 주식회사 Osd를 이용한 사운드 레벨 표시회로
US5066909A (en) * 1990-01-30 1991-11-19 Hewlett-Packard Company Apparatus for testing an electronic circuit having an arbitrary output waveform
US5075620A (en) * 1990-06-29 1991-12-24 Hastings Fiber Glass Products, Inc. Hot line indicator
US5237141A (en) * 1990-07-17 1993-08-17 Matsushita Electric Industrial Co., Ltd. High frequency heating apparatus and electromagnetic wave detector for use in high frequency heating apparatus
US5412312A (en) * 1992-10-01 1995-05-02 Snap-On Incorporated Frequency and instantaneous voltage level meter
DE19547375B4 (de) 1995-12-19 2005-07-28 Daimlerchrysler Ag Anzeigeeinrichtung
US7049761B2 (en) 2000-02-11 2006-05-23 Altair Engineering, Inc. Light tube and power supply circuit
TWI408548B (zh) * 2007-09-12 2013-09-11 Asustek Comp Inc 量化指示電路
US8118447B2 (en) 2007-12-20 2012-02-21 Altair Engineering, Inc. LED lighting apparatus with swivel connection
US8360599B2 (en) 2008-05-23 2013-01-29 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US8214084B2 (en) 2008-10-24 2012-07-03 Ilumisys, Inc. Integration of LED lighting with building controls
US8324817B2 (en) 2008-10-24 2012-12-04 Ilumisys, Inc. Light and light sensor
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US7938562B2 (en) 2008-10-24 2011-05-10 Altair Engineering, Inc. Lighting including integral communication apparatus
US8653984B2 (en) 2008-10-24 2014-02-18 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US8330381B2 (en) * 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
WO2011119958A1 (en) 2010-03-26 2011-09-29 Altair Engineering, Inc. Inside-out led bulb
WO2011119921A2 (en) 2010-03-26 2011-09-29 Altair Engineering, Inc. Led light with thermoelectric generator
US8523394B2 (en) 2010-10-29 2013-09-03 Ilumisys, Inc. Mechanisms for reducing risk of shock during installation of light tube
WO2013028965A2 (en) 2011-08-24 2013-02-28 Ilumisys, Inc. Circuit board mount for led light
WO2013131002A1 (en) 2012-03-02 2013-09-06 Ilumisys, Inc. Electrical connector header for an led-based light
US9163794B2 (en) 2012-07-06 2015-10-20 Ilumisys, Inc. Power supply assembly for LED-based light tube
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
CN106063381A (zh) 2014-01-22 2016-10-26 伊卢米斯公司 具有被寻址led的基于led的灯
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922666A (en) * 1973-02-19 1975-11-25 Victor Company Of Japan Signal level displaying apparatus
US4004220A (en) * 1975-07-08 1977-01-18 Pulse Dynamics Corporation Electronic voltmeter
US4127794A (en) * 1977-10-20 1978-11-28 Beckman Instruments, Inc. High intensity bar graph

Also Published As

Publication number Publication date
US4262255A (en) 1981-04-14

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