BR7905780A - Circuito de translacao de niveis logicos e circuito de painel luminoso - Google Patents

Circuito de translacao de niveis logicos e circuito de painel luminoso

Info

Publication number
BR7905780A
BR7905780A BR7905780A BR7905780A BR7905780A BR 7905780 A BR7905780 A BR 7905780A BR 7905780 A BR7905780 A BR 7905780A BR 7905780 A BR7905780 A BR 7905780A BR 7905780 A BR7905780 A BR 7905780A
Authority
BR
Brazil
Prior art keywords
circuit
logic levels
light panel
levels translation
translation circuit
Prior art date
Application number
BR7905780A
Other languages
English (en)
Inventor
A Paphitis
Original Assignee
A Paphitis
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 A Paphitis filed Critical A Paphitis
Publication of BR7905780A publication Critical patent/BR7905780A/pt

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
BR7905780A 1978-09-11 1979-09-10 Circuito de translacao de niveis logicos e circuito de painel luminoso BR7905780A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/940,812 US4231033A (en) 1978-09-11 1978-09-11 Logic level shifters and their application in luminous display circuits

Publications (1)

Publication Number Publication Date
BR7905780A true BR7905780A (pt) 1980-05-20

Family

ID=25475463

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7905780A BR7905780A (pt) 1978-09-11 1979-09-10 Circuito de translacao de niveis logicos e circuito de painel luminoso

Country Status (2)

Country Link
US (1) US4231033A (pt)
BR (1) BR7905780A (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771274A (en) * 1986-01-08 1988-09-13 Karel Havel Variable color digital display device
CN100382117C (zh) * 2002-12-13 2008-04-16 中国科学院沈阳科学仪器研制中心 一种两线双色数码管控制器
CN104778916A (zh) * 2014-12-02 2015-07-15 深圳市视维科技有限公司 一种全字符led数码管显示驱动电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717867A (en) * 1971-01-20 1973-02-20 W Rosenzweig Display device
US3969672A (en) * 1975-02-07 1976-07-13 Audio Stockholm Voltage level indicator established by a series of progressively energized light emitting diodes
US4009566A (en) * 1975-05-27 1977-03-01 Hughes Aircraft Company Digital watch with liquid crystal and sequentially read out light emitting diode displays
US4017847A (en) * 1975-11-14 1977-04-12 Bell Telephone Laboratories, Incorporated Luminous indicator with zero standby power
US4085352A (en) * 1976-10-12 1978-04-18 Richard Dickson Hilton Digital waveform analyzer

Also Published As

Publication number Publication date
US4231033A (en) 1980-10-28

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