Classifications

• • G—PHYSICS
  • G02—OPTICS
  • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
  • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
  • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
  • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
  • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
  • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
• • 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
  • G04G9/06—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 using light valves, e.g. liquid crystals
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K21/00—Details of pulse counters or frequency dividers
  • H03K21/08—Output circuits
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
  • H03K23/001—Pulse counters comprising counting chains; Frequency dividers comprising counting chains using elements not covered by groups H03K23/002 and H03K23/74 - H03K23/84

Landscapes

• Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Crystallography & Structural Chemistry (AREA)
• Nonlinear Science (AREA)
• General Physics & Mathematics (AREA)
• Liquid Crystal (AREA)
• Mathematical Physics (AREA)
• Optics & Photonics (AREA)
• Liquid Crystal Display Device Control (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4393075

Family Applications (3)

Family Applications Before (1)

Family Applications After (1)

Country Status (2)

• 1970
  • 1970-09-10 CH CH1351570A patent/CH525514A/de not_active IP Right Cessation
  • 1970-09-10 CH CH1351570D patent/CH1351570A4/xx unknown
  • 1970-09-10 CH CH1677271A patent/CH531239A/de not_active IP Right Cessation
  • 1970-10-05 DE DE19702048830 patent/DE2048830C3/de not_active Expired

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