Virtual Keypad GUI for Miniaturized Remote Control
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Solution Overview
Problem
Conventional remote controls for TVs are large due to the need for number keys to select broadcast channels, and users prefer a smaller form factor, necessitating a method to input preferred broadcast channels without number keys.
Innovation Solution
A Graphical User Interface (GUI) method using a remote control with a keypad operable by a pointer, allowing users to select broadcast channels through a virtual keypad and list, eliminating the need for physical number keys, and a broadcast receiving apparatus that generates and controls this GUI to tune to user-selected channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If number keys are included on the remote control to input broadcast channel numbers, then the channel selection function is complete and reliable, but the remote control size becomes large
Solution Approach 1:
The patent replaces the mechanical number keys on the remote control with a graphical user interface (GUI) displayed on the TV screen. The virtual keypad and channel list are rendered visually, and users interact with them by pointing the remote control in different directions, substituting physical mechanical keys with optical-display-based interaction.
Solution Approach 2:
The patent creates a virtual copy of the traditional number keypad interface on the TV display screen. This virtual keypad replicates the functionality of physical number keys but exists as a graphical representation that can be interacted with through pointer-based remote control manipulation, eliminating the need for physical key structures.
2Area of moving object
If a virtual keypad with pointer is implemented on the display, then the remote control size can be reduced, but the operation method becomes more complex
Solution Approach 1:
Instead of having the remote control display a keypad and requiring the TV to receive directional commands, the patent inverts the approach by displaying the interactive keypad on the TV screen and having the remote control function as a directional pointer. This reversal simplifies the remote control design while maintaining full functionality.
Solution Approach 2:
The remote control is designed to serve multiple functions: it acts as both the traditional infrared command transmitter and a directional pointer device. The same remote control hardware that sends channel change commands also controls the pointer position on the virtual keypad, consolidating functions rather than requiring separate mechanisms.
3Ease of manufacture
If the keypad is displayed on the TV screen rather than being physical, then manufacturing cost and remote control complexity are reduced, but the user interface requires more screen space
Solution Approach 1:
The user interface is segmented into distinct functional zones on the TV display: a virtual keypad area for number input and a separate channel list area for direct channel selection. This segmentation allows efficient use of screen space by organizing related controls together while maintaining clear functional separation.
Solution Approach 2:
The patent utilizes the two-dimensional display space of the TV screen to create a virtual keypad layout that optimizes space usage. The keypad and channel list are arranged in a spatial configuration that fits within the available screen real estate, transforming the one-dimensional limitation of remote control keys into a two-dimensional graphical interface solution.
Data Source
AI summary
A method for providing Graphical User Interface (GUI) for selecting a broadcast channel, and a broadcast receiving apparatus having the same are provided. The GUI for selecting a broadcast channel includes a keypad having a pointer to be moved by manipulation of a user on a remote control apparatus and keys selectable by the pointer, and then the user is able to input a preferred broadcast channel by using the keypad and the pointer. Accordingly, the user is able to input a preferred broadcast channel without using the number keys, so the number keys may be omitted in the remote control apparatus. As a result, miniaturization of the remote control apparatus is possible.


