Video processing apparatus and method
First Claim
1. A method of operating a video signal processing system for producing an output signal suitable for coupling to a display device for producing a displayed image, and having the option of producing the output signal to represent a main picture and one or more auxiliary pictures (AP), ratings control (RC) capability which includes means for an authorized person to limit the display of programs having ratings beyond a selected level, and auxiliary information (AI) processing capability which includes means for a viewer to choose to display auxiliary information comprising closed captioning along with a picture, and a single stripper for extracting auxiliary data from a portion of one or more video signals comprising:
- using said single stripper to process RC information for both the main picture and the auxiliary picture when the RC option has been invoked by cycling between main and auxiliary; and
disabling the AP capability when the auxiliary information display option has been enabled.
6 Assignments
0 Petitions
Accused Products
Abstract
A television set having the option of displaying main and one or more auxiliary pictures, ratings control capability which includes means for an authorized person to limit the display of programs having ratings beyond a selected level, closed captioning capability which includes means for a viewer to choose to display closed captioning along with a picture, and a single stripper for slicing data from the vertical blanking information (VBI) portion of one or more broadcasts wherein the single stripper processes ratings control information for both main picture and auxiliary picture when the ratings control option has been invoked by cycling between main and auxiliary; and the auxiliary picture capability is disabled when the closed captioning option has been invoked.
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Citations
14 Claims
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1. A method of operating a video signal processing system for producing an output signal suitable for coupling to a display device for producing a displayed image, and having the option of producing the output signal to represent a main picture and one or more auxiliary pictures (AP), ratings control (RC) capability which includes means for an authorized person to limit the display of programs having ratings beyond a selected level, and auxiliary information (AI) processing capability which includes means for a viewer to choose to display auxiliary information comprising closed captioning along with a picture, and a single stripper for extracting auxiliary data from a portion of one or more video signals comprising:
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using said single stripper to process RC information for both the main picture and the auxiliary picture when the RC option has been invoked by cycling between main and auxiliary; and
disabling the AP capability when the auxiliary information display option has been enabled. - View Dependent Claims (2, 3)
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- 4. An apparatus comprising a video signal processing system for producing an output signal suitable for coupling to a display device for producing a displayed image having auxiliary picture (AP), ratings control (RC), and auxiliary information comprising closed captioning display (AI) capabilities, a single stripper adapted to process RC information for both main picture and auxiliary picture when RC is invoked, and means to disable auxiliary picture capability when an AI option has been invoked.
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9. Apparatus comprising a video signal processing system for producing an output signal suitable for coupling to a display device for producing a displayed image having capability of receiving main and auxiliary video signals and, at the option of the viewer, displaying said signals simultaneously;
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a decoder for extracting and decoding coded ratings control data and auxiliary information data comprising closed captioning multiplexed into said video signals;
means for activating or deactivating auxiliary information processing;
means for activating and setting a level of ratings control processing;
means to rapidly cycle said decoder between extracting ratings control data and auxiliary information data, when both are activated, for a single video signal;
or to rapidly cycle said decoder between extracting ratings control for main and auxiliary video signals when simultaneous display is activated;
and means to automatically disable simultaneous display and thereupon display only main video signal when auxiliary information display is activated. - View Dependent Claims (10, 11)
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12. Apparatus for processing and displaying a main television signal and optionally displaying a second television signal comprising a display device;
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a control device for optionally processing ratings control information contained in each displayed video signal and for optionally processing auxiliary information comprising captioning within a displayed television signal;
a single device to strip ratings control information when ratings control option is invoked and to strip auxiliary information when auxiliary information is invoked;
a processor to rapidly cycle said single device between stripping ratings control information between each of said main and auxiliary signals when ratings control is invoked, and to disable the auxiliary signal option when auxiliary information display option is invoked. - View Dependent Claims (13, 14)
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Specification