Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
123 words
An NTSC-compatible television system in which wideband and narrowband chrominance components of a video signal are modulated in quadrature by a 3.58 MHz subcarrier, comprising an encoder, including means for filtering the wideband chrominance component over a first predetermined baseband bandwidth; means for filtering the narrowband chrominance component over a second predetermined baseband bandwidth that is less than said first predetermined bandwidth; means for modulating the filtered wideband chrominance component with a 3.58 MHz subcarrier; means for modulating the filtered narrowband chrominance component in quadrature with subcarrier; and means for antisymmetrically filtering the modulated wideband chrominance component over an antisymmetrical bandwidth that extends above the subcarrier frequency by said first predetermined bandwidth and extends below said subcarrier frequency by said second predetermined bandwidth.
Claim 2
Dependent Claim
123 words
An NTSC-compatible television system in which wideband and narrowband chrominance components of a video signal are modulated in quadrature by a 3.58 MHz subcarrier, comprising an encoder, including means for filtering the wideband chrominance component over a first predetermined baseband bandwidth; means for filtering the narrowband chrominance component over a second predetermined baseband bandwidth that is less than said first predetermined bandwidth; means for modulating the filtered wideband chrominance component with a 3.58 MHz subcarrier; means for modulating the filtered narrowband chrominance component in quadrature with subcarrier; and means for antisymmetrically filtering the modulated wideband chrominance component over an antisymmetrical bandwidth that extends above the subcarrier frequency by said first predetermined bandwidth and extends below said subcarrier frequency by said second predetermined bandwidth.
Claim 3
Dependent Claim
60 words
A system according to claim 1, wherein the encoder further comprises means for enhancing the amplitude of the modulated wideband chrominance component in that portion of the antisymmetrical bandwidth that extends above the subcarrier frequency by more than said second predetermined bandwidth in relation to the amplitude of the modulated wideband chrominance component in the remainder of said antisymmetrical bandwidth.
Claim 4
Dependent Claim
47 words
A television system according to claim 2, further comprising a television receiver for receiver for said modulated signal and including means for filtering the wideband chrominance component of the received signal to have a relatively flat response over at least the antisymmetrical bandwidth about the subcarrier frequency.
Claim 5
Dependent Claim
27 words
A television system according to claim 3, wherein said first predetermined bandwidth is greater than 1.5 MHz and said second predetermined bandwidth is greater than 0.6 MHz.
Claim 6
Dependent Claim
23 words
A televison system according to claim 4, wherein said first predetermined bandwidth is 2.4 MHz and said second predetermined bandwidth is 1.5 MHz.
Claim 7
Dependent Claim
27 words
A television system according to claim 2, wherein said first predetermined bandwidth is greater than 1.5 MHz and said second predetermined bandwidth is greater than 0.6 MHz.
Claim 8
Dependent Claim
23 words
A television system according to claim 6, wherein said first predetermined bandwidth is 2.4 MHz and said second predetermined bandwidth is 1.5 MHz.
Claim 9
Dependent Claim
27 words
A television system according to claim 1, wherein said first predetermined bandwidth is greater than 1.5 MHz and said second predetermined bandwidth is greater than 0.6 MHz.
Claim 10
Dependent Claim
23 words
A television system according to claim 8, wherein said first predetermined bandwidth is 2.4 MHz and said second predetermined bandwidth is 1.5 MHz.
Claim 11
Dependent Claim
46 words
A television system according to claim 1, further comprising a television receiver for receiving said modulated signal and including means for filtering the wideband chrominance component of the received signal to provide a relatively flat response over at least the antisymmetrical bandwidth about the subcarrier frequency.