IS 4545 : Part 3 : 1983 Methods of measurement on receivers for television broadcast transmissions: Part 3 Geometrical properties of the picture

UDC 621.397.62 : 621.391.837.08 LTD 7
Reaffirmed 2022

1 Scope

1.1 This standard (Part 3) covers methods of measurement forgeometrical properties of the picture, namely:

a) Picture size,

b) Curvature of picture screen,

c) Geometrical distortion,

d) Non-linearity of scanning,

e) Picture outline distortion,

f) Convergence errors,

g) Over and under scanning and centring,

h) Brightness,

j) Contrast, and

k) Brightness transfer characteristic.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 4545 : Part 1 :1983 Methods of measurement on receivers fortelevision broadcast transmissions:Part 1 General considerations