Matches 1 - 25 out of 25


Match Document Document Title
6580232 Dynamic focus voltage amplitude controller  
A dynamic focus voltage generator includes a source of a flyback input signal at a horizontal deflection frequency. A double integrator is responsive to the input signal for generating a parabolic...
6559609 Raster center control circuit for CRT-type display device  
A raster center control circuit for a CRT-type display device that automatically determines a correct horizontal center position of a raster, regardless of a horizontal sync frequency input from a...
6404147 Display apparatus monitoring a threshold level for controlling a dynamic focusing circuit  
A display apparatus including a CRT provided with an electron gun having a focusing electrode which is applied with a dynamic focusing voltage for focusing electrons drawn from a cathode of the CRT...
5977728 Circuit for controlling a horizontal focus signal in a monitor  
A circuit for controlling a horizontal focus signal improves picture quality, which has horizontal and vertical focus signal generating sections for generating parabola-shaped horizontal and...
5550441 Parabolic correction signal amplitude control loop  
A deflection waveform correction signal generator comprises a multiplying circuit for generating a pincushion correction signal. A horizontal frequency ramp is generated by a clipped retrace pulse....
5473224 Convergence correction apparatus  
A convergence correction apparatus comprises: a scanning waveform generating section (6) for generating a scanning waveform in synchronization with a sync signal for scanning an electron beam in a...
3902100 Dynamic convergence circuit  
A circuit for supplying a current to a dynamic convergence coil on a color cathode ray tube for dynamically correcting misconvergence of electron beams in the tube, which comprises current...
3638064 CONVERGENCE DEFLECTION SYSTEM FOR A COLOR PICTURE TUBE  
In a color picture tube in which a plurality of beams are made to intersect each other at a location between the beam generating sources and the color screen and are focused on the latter by a main...
3560793 COLOR TELEVISION CONVERGENCE SYSTEM  
The convergence correction device for three-gun according to the invention is of the type comprising, for corrections at line and field period, for each red or green gun, a single magnetic circuit...
3500113 SIMPLIFIED HORIZONTAL DYNAMIC CONVERGENCE CIRCUIT  
3821592 VERTICAL DEFLECTION CIRCUIT FOR A COLOR TELEVISION CAMERA HAVING DIFFERENT RASTER SIZES IN ITS CHANNELS  
3459989 ELECTRON BEAM CONVERGENCE APPARATUS  
3397340 Vertical convergence tilt circuitry  
3163797 Electron beam convergence apparatus  
3141109 Color television convergence circuit  
3114858 Electron beam convergence apparatus  
3048740 Electron beam convergence apparatus  
2987646 Electron beam conversion systems  
2915672 Deflection system  
2903622 Multi-beam convergence system  
2880360 Color television receiver  
2880361 Color television receiver  
2834911 Multi-beam convergence circuits  
2801363 Dynamic electron beam control systems  
2795728 Television circuits  
Matches 1 - 25 out of 25