Representation method

JP2026090482APending Publication Date: 2026-06-02MAXELL LTD

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Patent Information

Authority / Receiving Office: JP · JP
Patent Type: Applications
Current Assignee / Owner: MAXELL LTD
Filing Date: 2026-02-24
Publication Date: 2026-06-02

Application Information

Patent Timeline

24 Feb 2026

Application

02 Jun 2026

Publication

JP2026090482A

IPC: H04N21/431; H04N21/434; H04N21/2362; H04H20/95; H04H40/18; H04H20/20; H04H20/22

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Application Domain

Broadcast information characterisationBroadcast receiving circuits

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AI Technical Summary

Technical Problem

Existing digital broadcast systems do not effectively support compatibility between current and advanced digital broadcasting services, particularly in transitioning to Ultra High Definition (UHD) while maintaining the viewing environment of existing services.

Method used

A method for displaying digital broadcast programs involves converting broadcast content from a first transmission characteristic type to a second type, receiving simulcasts, and switching displays based on reception state using video controller descriptors for tone mapping.

Benefits of technology

Enables more effective transmission and reception of advanced digital broadcasting services with higher functionality while maintaining compatibility with existing systems.

✦ Generated by Eureka AI based on patent content.

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Figure 2026090482000001_ABST

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Abstract

This invention provides technology for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] A method for displaying a digital broadcast program transmitted from a broadcasting station, comprising: a conversion step in which the broadcasting station converts broadcast content having a first transmission characteristic type into a first broadcast having a second transmission characteristic type different from the first transmission characteristic type; a reception step in which the broadcast wave of the first broadcast is received; and a display step in which the program of the first broadcast is displayed on a display unit, wherein the video controller descriptor of the broadcast wave includes a descriptor indicating whether or not the transmission characteristic type was converted in the conversion step.

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