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
  • 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
• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G9/00—Visual time or date indication means
  • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
  • G04G9/04—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Illuminated Signs And Luminous Advertising (AREA)
• Led Device Packages (AREA)
• Electric Clocks (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=6000710

Family Applications (1)

Country Status (4)

• 1977
  • 1977-02-09 DE DE19772705350 patent/DE2705350A1/de active Pending
• 1978
  • 1978-02-01 IT IT19873/78A patent/IT1092561B/it active
  • 1978-02-02 FR FR7802893A patent/FR2380607A1/fr not_active Withdrawn
  • 1978-02-07 AU AU33075/78A patent/AU3307578A/en active Pending

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