Digital TV Receiver Rating Region Table Adaptability
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Solution Overview
Problem
Existing digital television systems have limitations in categorizing broadcast programs using fixed rating standards, which restricts the range of program ratings and requires users to change settings when moving to a different geographical region.
Innovation Solution
A digital television signal and receiver system that includes a rating region table with a global rating value field valid for all regions and local rating value fields specific to each region, allowing for diverse and user-selectable rating standards, enabling program blocking based on user-defined criteria.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed set of rating standards is used in the RRT, then the device complexity is reduced and ease of manufacture is improved, but the adaptability to different rating categories and geographical regions is limited
Solution Approach 1:
The rating region table is segmented into multiple independent rating standards, each with its own set of rating values. Instead of using a single fixed rating system, the patent divides the rating functionality into separate standardized components that can be independently selected and applied to different geographical regions and program types, thereby increasing adaptability without proportionally increasing overall system complexity.
Solution Approach 2:
The patent changes the parameter structure of the rating region table by introducing a standardized format that includes region identifiers, rating standard identifiers, and rating value mappings. This parameterization allows the same table structure to accommodate multiple rating standards and geographical regions by simply changing the data values rather than the structural complexity.
2Adaptability or versatility
If the RRT is pre-programmed with fixed rating data for current geographical regions, then the ease of operation is improved, but the adaptability when moving to different regions deteriorates
Solution Approach 1:
The rating region table is designed with universal applicability across multiple geographical regions by incorporating region-identifying fields and standardized rating structures. The same table format can serve multiple regions (US, Canada, Europe, Asia, etc.) by populating with region-specific data, eliminating the need for separate pre-programmed tables for each region while maintaining ease of operation through a unified interface.
Solution Approach 2:
The patent introduces dynamic region detection functionality that automatically identifies the current geographical region and selects the appropriate rating standards from the standardized table. This dynamic adaptation allows the system to automatically adjust to different regions without requiring manual reconfiguration, thereby maintaining ease of operation while achieving regional adaptability.
3Ease of manufacture
If fixed rating standards are used, then the manufacturing process is simplified, but the range of program ratings that can be categorized is restricted
Solution Approach 1:
The patent employs parameterized rating standards where each standard is defined by a set of parameters including region code, rating standard type, and rating value mappings. This parameterization allows manufacturers to implement a unified rating system structure that can accommodate diverse rating categories by simply configuring different parameter values, thereby maintaining manufacturing simplicity while expanding the range of categorizable programs.
Data Source
AI summary
A digital television signal for receiving program and system information protocol (PSIP) data, a method for processing the digital television signal, and a digital television receiver are disclosed. The digital television signal used in the digital television receiver in order to receive a program system information protocol (PSIP) data from a broadcast transmitter includes a rating region table containing the PSIP data. Herein, the rating region table includes a global rating value field defining a global rating value which is valid for all graphical rating regions, a rating region field defining a specific graphical rating region to be associated with the rating region table, and at least one local rating value field identifying a local rating value which is valid for the specific graphical rating region only.