Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N9/00—Details of colour television systems
  • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
  • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
  • G06F1/02—Digital function generators
  • G06F1/03—Digital function generators working, at least partly, by table look-up
  • G06F1/0307—Logarithmic or exponential functions
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
  • G06F1/02—Digital function generators
  • G06F1/03—Digital function generators working, at least partly, by table look-up
  • G06F1/035—Reduction of table size
  • G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
  • G06F1/02—Digital function generators
  • G06F1/03—Digital function generators working, at least partly, by table look-up
  • G06F1/035—Reduction of table size
  • G06F1/0356—Reduction of table size by using two or more smaller tables, e.g. addressed by parts of the argument
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
  • G06T3/00—Geometric image transformations in the plane of the image
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
  • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
  • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
  • G09G5/39—Control of the bit-mapped memory
  • G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C8/00—Arrangements for selecting an address in a digital store
  • G11C8/04—Arrangements for selecting an address in a digital store using a sequential addressing device, e.g. shift register, counter
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C8/00—Arrangements for selecting an address in a digital store
  • G11C8/16—Multiple access memory array, e.g. addressing one storage element via at least two independent addressing line groups
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N9/00—Details of colour television systems
  • H04N9/64—Circuits for processing colour signals
  • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2101/00—Indexing scheme relating to the type of digital function generated
  • G06F2101/04—Trigonometric functions
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2101/00—Indexing scheme relating to the type of digital function generated
  • G06F2101/08—Powers or roots
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2101/00—Indexing scheme relating to the type of digital function generated
  • G06F2101/10—Logarithmic or exponential functions

Landscapes

• Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• General Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Computer Hardware Design (AREA)
• Image Processing (AREA)
• Controls And Circuits For Display Device (AREA)
• Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=27261102

Family Applications (1)

Country Status (5)

Families Citing this family (11)

Family Cites Families (8)

• 1982
  • 1982-01-25 IT IT8219282A patent/IT8219282A0/it unknown
  • 1982-01-25 WO PCT/US1982/000086 patent/WO1982002637A1/en not_active Ceased
  • 1982-01-25 ES ES509037A patent/ES8303863A1/es not_active Expired
  • 1982-01-25 AU AU81478/82A patent/AU8147882A/en not_active Abandoned
  • 1982-01-25 EP EP19820900743 patent/EP0070311A4/en not_active Withdrawn

Also Published As

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