Video Cameras: Theory and Servicing [1, First edition]
0672223821
There is a need for literature which describes the technology of television cameras in an understandable language. This
234
12
62MB
English
Pages 254
Year 1987
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Table of contents :
Chapter 1 - 11 - Elements of Image Conversion, The Charge Image - Beam Current Adjustment - Scanning - Camera Block Diagram - Summary
Chapter 2 - 19 - Vidicon Construction, Target Construction - The Electron Gun - Summary
Chapter 3 - 25 - Beam Focus and Deflection, Electrical Focus - Actions of Electrons in a Magnetic Field - High Voltage Guns - Deflection - Summary
Chapter 4 - 39 - Vidicon Characteristics, Dark Current - Lag - Spectral Response - Resolution - Gamma - Spurious Signals - Image Burn - Precautions With Vidicons - Flicker - Summary of Vidicon Characteristics
Chapter 5 - 51 - Other Pickum Tubes, Plumbicons - Saticons - Newvicons - Chalnicons - Charge Coupled Device (CCD) Image Sensors
Chapter 6 - 65 - Lenses and Light Values, Basic Lens Action - Field of View - Lens Speed - Lens Mounts - Light Measurements - Illuminants and the Kelvin Scale - Automatic Focus
Chapter 7 - 83 - Basic Black and White Camera Adjustments, The Test Bed - Pickup Tube Replacement - Traget Voltage Adjustment - Beam Current - Focus - Beam Alignment - Deflection Size and Linearity - Video Adjustments
Chapter 8 - 97 - NTSC Color From the Camera Standpoint, And RGB System - Constant Luminance - Chrominance Multiplexing - I and Q Encoders - Choosing the Subcarrier Frequency - Color Synchronization and Color Bars - Camera Balance
Chapter 9 - 109 - Color Dissectors, Early Systems - Dichroic Mirrors - Summary of Dichroic Dissector Characteristics - Single Tube Color Dissectors - Summary of Single Tube Dissectors - Color Correcting Filters
Chapter 10 - 125 - Preamps and Gamma Correction, Preamplifiers - Summary of Preamp Characteristics - Gamma - Gamma/Degamma Summary
Chapter 11 - 137 - Signal Processor, Static Shading Correction - Dynamic Shading Correction - Automatic Black Level Control - ABL Summary - Gamma Correction - Color Balance, Manual and Automatic - White Balanmce Summary - White Clip and Knee Circuits - Sensitivity Switches
Chapter 12 - 151 - Enhancement, Horizontal Contouring - Vertical Contouring - Noise Slicers - Video Level Dependence - Other Uses of Contour Correction - Summary of Contour Correction
Chapter 13 - 159 - Encoders, Internal Color Bar Generators - I and Q Encoders - I/Q Encoder Summary - R-Y/B-Y Encoders - R-Y/B-Y Encoder Summary
Chapter 14 - 173 - Automatic Light and Beam Control, Automatic Light Control - Automatic Sensitivity Control - Automatic Beam Control
Chapter 15 - 181 - Sync Generators, Random and Positive Interlace - Standart Sync - Sync Signal Summary - Color Sync Generators - Gen-lock
Chapter 16 - 195 - Camera Interface and Accessories, Portable VCR Control - Power - Viewfinders - Zebra Signal - Camera Audio - Camera Control Units
Chapter 17 - 209 - Three-Tube Camera Alignment, The Test Setup - Adjustment Sequence - Preliminary Adjustments - Focus, Beam and Deflection - Preamp Equalization - Beam Current - Bias Lighting - Static and Dynamic Shading - Signal Processor Alignment - Encoder Alignment
Chapter 18 - 225 - Single-Tube Camera Alignment, Equipment Needed - When There's No Color It's Green - Beam Current and Focus - Deflection - Shading and Dynamic Focus - Signal Processing - Encoder Adjustments - Setting Subcarrier Frequency
Chapter 19 - 241 - Troubleshooting, Precautions - No Picture - Poor Resolution - Excessive Noise - Flicker - Deflection Problems - No Color - Colorimetry Error - Color Shading - Color Comet-tailing or Lag - Beats and Interference in the Picture - Lens Problems
Appendix A - 251 - IRE Units
Appendix B - 253 - Coaxial Cable, Characteristic Impedance - Terminations - Loop Through - Cable Losses