Representation control method

The broadcast receiving apparatus ensures compatibility with current and advanced digital broadcast services by switching between 4K and 2K broadcasts, facilitating the transition to UHD while maintaining the viewing environment and handling emergency broadcasts effectively.

JP7702232B2Active Publication Date: 2025-07-03MAXELL LTD
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Patent Information

Application Number
JP2019212983
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2019-11-26
Publication Date
2025-07-03
Estimated Expiration
2039-11-26

AI Technical Summary

Technical Problem

Existing digital broadcast systems face challenges in transitioning to advanced digital broadcast services like UHD while maintaining compatibility with current digital broadcast services, as previous technologies do not consider preserving the viewing environment of existing systems.

Method used

A broadcast receiving apparatus capable of receiving both 4K and 2K broadcast services, with the ability to switch to emergency broadcast information by forcibly changing the display from 4K to 2K when necessary, ensuring compatibility and seamless transition between different broadcast qualities.

Benefits of technology

Enables the reception and display of advanced digital broadcast services like UHD while maintaining compatibility with current digital broadcast services, allowing for efficient switching to emergency broadcasts.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

To provide a technique for more preferably transmitting or receiving an advanced digital broadcasting service.SOLUTION: In a display control method in a broadcast receiving device that can receive a broadcast wave that are simulcast between a 4K broadcast service and a 2K broadcast service via a broadcast transmission line, the 4K broadcast service included in the broadcast wave is received, demodulated, a broadcast program of the 4K broadcast service is displayed, the 2K broadcast service which is a simulcast of the 4K broadcast service is received and demodulated when emergency broadcast information is received while a broadcast program of the 4K broadcast service is being displayed, the display screen of the broadcast receiving device is forcibly switched from the display of the broadcast program of the 4K broadcast service to the display of the screen of an emergency broadcast transmitted by the 2K broadcast service.SELECTED DRAWING: Figure 1
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