Color television receiver

Claim 2

a second continuous wave generator connected to said second supplying means to be controlled by the output signal therefrom, and

Claim 3

a continuous wave generator connected to said first supplying means to be controlled by signals therefrom, and

Claim 4

a continuous wave generator connected to said first supplying means to be controlled by signals therefrom, and

Claim 5

A decoding system for a color television receiver adapted to receive and display the luminance and chrominance signal components of a color television signal transmitted in accordance with a phase alternation by line system, said decoding system comprising: A. Means for separating said chrominance signal from said color television signal; B. Delay means for delaying said chrominance signal for substantially one line period; C. Circuit means for extracting the delayed chrominance signal and the non-delayed chrominance signal alternately every other line period and producing a first and second continuous chrominance signals; D. First and second demodulator means for demodulating at least one of said continuous chrominance signals; E. First and second generating means for producing first and second reference signals, said first and second generating means being connected, respectively, to said first and second demodulator means to supply said reference signals thereto for demodulating said continuous chrominance signals; F. First supplying means for supplying a burst signal in said first continuous chrominance signal to said first generating means to control the phase of said first reference signal; and G. Second supplying means for supplying a burst signal in said second continuous chrominance signal to said second producing means to control the phase of said second reference signal.

Claim 6

A decoding system for a color television receiver adapted to receive and display the luminance and chrominance signal components of a color television signal transmitted in accordance with a phase alternation by line system, said decoding system comprising: A. Means for separating said chrominance signal from said color television signal; B. Delay means for delaying said chrominance signal for substantially one line period; C. Circuit means for extracting the delayed chrominance signal and the non-delayed chrominance signal alternately every other line period and producing a first and second continuous chrominance signals; D. First and second demodulator means for demodulating at least one of said continuous chrominance signals; E. First and second generating means for producing first and second reference signals, said first and second generating means being connected, respectively, to said first and second demodulator means to supply said reference signals thereto for demodulating said continuous chrominance signals; F. First supplying means for supplying a burst signal in said first continuous chrominance signal to said first generating means to control the phase of said first reference signal; and G. Second supplying means for supplying a burst signal in said second continuous chrominance signal to said second producing means to control the phase of said second reference signal.

Claim 7

A decoding system for a color television receiver adapted to receive and display the luminance and chrominance signal components of a color television signal transmitted in accordance with a phase alternation by line system, said decoding system comprising: A. Means for separating said chrominance signal from said color television signal; B. Delay means for delaying said chrominance signal for substantially one line period; C. Circuit means for extracting the delayed chrominance signal and the non-delayed chrominance signal alternately every other line period and producing a first and second continuous chrominance signals; D. First and second demodulator means for demodulating at least one of said continuous chrominance signals; E. First and second generating means for producing first and second reference signals, said first and second generating means being connected, respectively, to said first and second demodulator means to supply said reference signals thereto for demodulating said continuous chrominance signals; F. First supplying means for supplying a burst signal in said first continuous chrominance signal to said first generating means to control the phase of said first reference signal; and G. Second supplying means for supplying a burst signal in said second continuous chrominance signal to said second producing means to control the phase of said second reference signal.

Claim 8

A decoding system for a color television receiver adapted to receive and display the luminance and chrominance signal components of a color television signal transmitted in accordance with a phase alternation by line system, said decoding system comprising: A. Means for separating said chrominance signal from said color television signal; B. Delay means for delaying said chrominance signal for substantially one line period; C. Circuit means for extracting the delayed chrominance signal and the non-delayed chrominance signal alternately every other line period and producing a first and second continuous chrominance signals; D. First and second demodulator means for demodulating at least one of said continuous chrominance signals; E. First and second generating means for producing first and second reference signals, said first and second generating means being connected, respectively, to said first and second demodulator means to supply said reference signals thereto for demodulating said continuous chrominance signals; F. First supplying means for supplying a burst signal in said first continuous chrominance signal to said first generating means to control the phase of said first reference signal; and G. Second supplying means for supplying a burst signal in said second continuous chrominance signal to said second producing means to control the phase of said second reference signal.

Claim 9

The decoding system of claim 1 in which said first supply means controls the phase of said first reference signal to be the same as the phase of the burst signal in said first continuous chrominance signal, and said second supply means controls the phase of said second reference signal to be the same as the phase of the burst signal in said second continuous chrominance signal.

Claim 10

a first oscillator connected to said continuous wave generator to be controlled thereby to produce an output signal in phase with burst signals in said first continuous chrominance signal; and B. Said second generating means comprises:

Claim 11

a first oscillator connected to said continuous wave generator to be controlled thereby to produce an output signal in phase with burst signals in said first continuous chrominance signal; and B. Said second generating means comprises:

Claim 12

a second oscillator connected to said second continuous wave generator to be controlled by the output signal therefrom to produce a signal in phase with burst signals in said second continuous chrominance signal.

Claim 13

a second oscillator connected to said second continuous wave generator to be controlled by the output signal therefrom to produce a signal in phase with burst signals in said second continuous chrominance signal.

Claim 14

The decoding system of claim 1 in which said circuit means comprises a switching circuit having: A. A first input terminal connected to a source of said chrominance signal; B. A second input terminal connected to said delay means to receive a delayed replica of said chrominance signal; C. A first output terminal connected to said first and second demodulator means; and D. A second output terminal; and E. Switching means to connect said first or said second input terminals to said first output terminal for one line period, alternately, to produce at said first output terminal said first continuous chrominance signal and to connect said second or said first input terminals to said second output terminal, alternately, to produce said second contInuous chrominance signal, said first input terminal being connected to said first output terminal when said second input terminal is connected to said second output terminal, and vice versa.

Claim 15

The decoding system of claim 3 in which said first supplying means is connected to said first output terminal and said second supplying means is connected to said second output terminal.

Claim 16

The decoding system of claim 4 comprising, in addition, a phase inverter connected in circuit between said second generating means and said second demodulator means whereby said second reference signal supplied to said second demodulator means has a polarity opposite to the polarity of burst signals in said second continuous chrominance signal.

Claim 17

The decoding system of claim 5 comprising, in addition, a matrix circuit connected to each of said first and second demodulator means and to a source of said luminance signal components to produce separated primary color signal components.

Claim 18

The decoding system of claim 1 comprising, in addition: A. An adding circuit for adding said first and second reference signals to produce a third reference signal having a phase between the phases of said first and second reference signals; and B. Means for supplying said first and third reference signals to said first and second demodulator means, respectively.

Claim 19

The decoding system of claim 7 in which said first generating means comprises an oscillator having an output signal in phase with the burst signal in said first chrominance signal, said system comprising, in addition, means directly connecting said oscillator to said first demodulator to supply to said first demodulator a reference signal having the same phase as the burst signal in said first continuous chrominance signal.

Claim 20

The decoding system of claim 7 comprising, in addition, a phase inverter connected in circuit between said adding circuit means and said second demodulator to reverse the polarity of the first and second reference signals to produce said third reference signal.

Claim 21

The decoding system of claim 8 comprising, in addition: A. A second phase inverter connected to said second generating means; and B. A second adding circuit connected to said first generating means and to said second phase inverter to add the output signals therefrom, the output of said second adding circuit being connected to said first demodulator means to supply said first reference signal thereto with the proper phase to demodulate one of said chrominance signal components.

Claim 22

The decoding system of claim 8 in which: A. Said first generating means comprises: