JPS5271131A - Circuit for radiation display use - Google Patents

Circuit for radiation display use

Info

Publication number
JPS5271131A
JPS5271131A JP14644775A JP14644775A JPS5271131A JP S5271131 A JPS5271131 A JP S5271131A JP 14644775 A JP14644775 A JP 14644775A JP 14644775 A JP14644775 A JP 14644775A JP S5271131 A JPS5271131 A JP S5271131A
Authority
JP
Japan
Prior art keywords
circuit
display use
radiation display
radiation
dipending
Prior art date
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
JP14644775A
Other languages
Japanese (ja)
Inventor
Masayoshi Abe
Shuichi Torii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14644775A priority Critical patent/JPS5271131A/en
Priority to DE19762654262 priority patent/DE2654262A1/en
Publication of JPS5271131A publication Critical patent/JPS5271131A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0017—Visual time or date indication means in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

PURPOSE: To make it possible to continuously and easily control the radiation intensity of the display device, by automatically controlling the radiation time dipending upon the brightness of the surrounding light.
COPYRIGHT: (C)1977,JPO&Japio
JP14644775A 1975-12-10 1975-12-10 Circuit for radiation display use Pending JPS5271131A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP14644775A JPS5271131A (en) 1975-12-10 1975-12-10 Circuit for radiation display use
DE19762654262 DE2654262A1 (en) 1975-12-10 1976-11-30 Light or luminescent indicator driver - has light intensity control connected to pulse generator producing pulse signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14644775A JPS5271131A (en) 1975-12-10 1975-12-10 Circuit for radiation display use

Publications (1)

Publication Number Publication Date
JPS5271131A true JPS5271131A (en) 1977-06-14

Family

ID=15407839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14644775A Pending JPS5271131A (en) 1975-12-10 1975-12-10 Circuit for radiation display use

Country Status (2)

Country Link
JP (1) JPS5271131A (en)
DE (1) DE2654262A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103591A (en) * 1979-02-02 1980-08-07 Sanken Electric Co Ltd Light adjusted display unit
JPS5614295A (en) * 1979-07-17 1981-02-12 Nissan Motor Indicator
JPS578593A (en) * 1980-06-19 1982-01-16 Pioneer Electronic Corp Variable intensity display unit
JPS57190582U (en) * 1981-05-27 1982-12-03
US5644326A (en) * 1995-05-04 1997-07-01 Ford Motor Company Display device with electrically interconnected display elements

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204622A1 (en) * 1982-02-10 1983-08-18 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Circuit arrangement for the illumination of indicating displays
DE3312362C1 (en) * 1983-04-06 1984-07-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Apparatus having a video screen and/or display of controllable brightness
DE3347076A1 (en) * 1983-12-24 1985-07-04 Albert Ackermann GmbH & Co KG, 5270 Gummersbach Circuit for regulating the brightness of the light sources of a display panel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024033A (en) * 1973-07-05 1975-03-14
JPS5013530B1 (en) * 1969-01-22 1975-05-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013530B1 (en) * 1969-01-22 1975-05-20
JPS5024033A (en) * 1973-07-05 1975-03-14

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103591A (en) * 1979-02-02 1980-08-07 Sanken Electric Co Ltd Light adjusted display unit
JPS5614295A (en) * 1979-07-17 1981-02-12 Nissan Motor Indicator
JPS578593A (en) * 1980-06-19 1982-01-16 Pioneer Electronic Corp Variable intensity display unit
JPS57190582U (en) * 1981-05-27 1982-12-03
US5644326A (en) * 1995-05-04 1997-07-01 Ford Motor Company Display device with electrically interconnected display elements

Also Published As

Publication number Publication date
DE2654262A1 (en) 1977-06-16

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