Classifications

• • 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
  • G09G3/16—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 by control of light from an independent source
  • G09G3/18—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 by control of light from an independent source using liquid crystals
• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G9/00—Visual time or date indication means
  • G04G9/0023—Visual time or date indication means by light valves in general
  • G04G9/0029—Details
  • G04G9/0035—Details constructional
• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G9/00—Visual time or date indication means
  • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
  • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
  • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
  • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
  • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
  • H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
  • H03K17/665—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only
  • H03K17/666—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Crystallography & Structural Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Computer Hardware Design (AREA)
• Theoretical Computer Science (AREA)
• Electric Clocks (AREA)
• Liquid Crystal Display Device Control (AREA)
• Electronic Switches (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10027663

Family Applications (1)

Country Status (7)

Families Citing this family (6)

Family Cites Families (4)

• 1971
  • 1971-05-07 GB GB1369271A patent/GB1398237A/en not_active Expired
• 1972
  • 1972-05-04 CH CH665472D patent/CH665472A4/xx unknown
  • 1972-05-04 DE DE19722221863 patent/DE2221863C2/de not_active Expired
  • 1972-05-04 NL NL7206022A patent/NL7206022A/xx not_active Application Discontinuation
  • 1972-05-04 CH CH665472A patent/CH582383B5/xx not_active IP Right Cessation
  • 1972-05-05 BE BE783078A patent/BE783078A/xx not_active IP Right Cessation
  • 1972-05-08 FR FR7216434A patent/FR2139351A5/fr not_active Expired
• 1980
  • 1980-07-08 JP JP9527080U patent/JPS567983U/ja active Pending

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