Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
  • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
  • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
  • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06G—ANALOGUE COMPUTERS
  • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
  • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
  • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
  • H03K4/04—Generating pulses having essentially a finite slope or stepped portions having parabolic shape
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
  • H03K5/01—Shaping pulses
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
  • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
  • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
  • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
  • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
  • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Mathematical Physics (AREA)
• Theoretical Computer Science (AREA)
• Nonlinear Science (AREA)
• Software Systems (AREA)
• Computer Hardware Design (AREA)
• General Physics & Mathematics (AREA)
• Details Of Television Scanning (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=25974753

Family Applications (1)

Country Status (4)

• 0
  • NL NL268335D patent/NL268335A/xx unknown
• 1960
  • 1960-08-18 DE DEF31908A patent/DE1105909B/de active Pending
• 1961
  • 1961-08-18 FR FR871020A patent/FR1297650A/fr not_active Expired
  • 1961-08-18 GB GB2986561A patent/GB972197A/en not_active Expired

Also Published As

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