Image correction apparatus

Claim 2

An image correction apparatus according to claim 1, wherein said correction signal generation means (27) comprises: means of generating a correction waveform which is synchronous with the sync signal of the color television signal; and means of generating control signals for various kinds of control.

Claim 3

An image correction apparatus according to claim 1, wherein said conversion means and multiplying means are an integral arrangement for serial-input digital-to-analog conversion of the multiplication type adapted to receive the output of said correction waveform generation means (27) on the reference voltage terminal and the correction data on the data input terminal.

Claim 4

An image correction apparatus according to claim 1 further comprising control means for implementing automatic image adjustment by driving said correction means (31, 32, 33, 34, 29) in response to the conversion of correction data.

Claim 5

An image correction apparatus comprising: display means (19) for displaying image information received by a color television receiver; memory means (23) for storing digitally various correction data for the adjustment of the displayed image; generation means (27) for generating a correction signal needed by said display means; serial data input conversion means of the multiplication type (26) for implementing digital-to-analog conversion for the stored serial correction data and multiplication between the converted signal and the correction signal; and correction means (31, 32, 33, 34) for implementing adjustment for the image displayed by said display means, said correction means being driven by the output of conversion.

Claim 6

An image correction apparatus comprising: display means (19) for displaying image information received by a color television receiver; memory means (23) for storing digitally various correction data for the adjustment of the displayed image; conversion means (26) for reading correction data out of said memory means and implementing digital-to-analog conversion for the data; generation means (27) for generating a correction signal needed by said display means; multiplication means (26) for implementing multiplication between the correction signal and the correction data from said conversion means; creation means (21, 24) for setting a plurality of adjustment points on the screen of said display means and implementing data interpolation between adjustment points thereby to create whole screen correction data; summing means (28) for summing the multiplication output and the created output; and various correction means (31, 32, 38, 34) for implementing adjustment for the image displayed on said display means, said various correction means being driven by the outputs of said summing means and said multiplication means.

Claim 7

An image correction apparatus comprising: display means (19) for displaying image information received by a color television receiver; memory means (23) for storing digitally various correction data for the adjustment of the displayed image; conversion means (26) for reading out correction data and implementing digital-to-analog conversion for the data; generation means (27) for generating a correction signal needed by said display means; multiplication means (26) for implementing multiplication between the correction signal and the correction data from said conversion means; various correction means (31, 32, 33, 34) for implementing adjustment for the image displayed on said display means; projection means for projecting a correction pattern signal based on various kinds of correction; detection means (35) for obtaining a detection signal for correction from the pattern; computation means (36) for calculating detection-correction data from the detection signal; and modification means for modifying stored various correction data in response to the calculated signal; said various correction means being driven by the outputs of said multiplication means.

Claim 8

An image correction apparatus comprising: display means (19) for displaying image information received by a color television receiver; memory means (23) for storing digitally various correction data for the adjustment of the displayed image; conversion means (26) for reading out the correction data and implementing digital-to-analog conversion for the data; generation means (27) for generating a correction signal needed by said display means; multiplication means (26) for implementing multiplication between the correction signal and the correction data from said conversion means; creation means (21, 24) for setting a plurality of adjustment points on the screen of said display means and implementing data interpolation between adjustment points thereby to create whole screen correction data; summing means (28) for summing the output of said multiplication means and the output of said creation means; pattern generation means (25) for projecting a correction pattern signal based on said creation means on said display means; detection means (35) for obtaining a detection signal for correction from the pattern; computation means (36) for calculating detection-correction data from the detection signal; and various correction means (31, 32, 33, 34) for implementing adjustment for the image displayed on said display means; said stored various correction data and said correction data provided by said creation means being modified by the computation output, said various correction means being driven by the outputs of said summing means and said multiplication means.