Controlling text symbol display size on a display using a remote control device
First Claim
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1. A method for controlling text symbol display size on a display of a display unit responsive to a distance of a remote control device from the display unit comprising:
- receiving one or more digital output values, each digital output value corresponding to a distance measurement between a remote control device and the display unit;
determining a symbol height based on the one or more distance measurements which comprises determining the symbol height based on a distance value (d1) represented by the one or more distance measurements, a pre-configured distance (d2) representing the distance from a viewer'"'"'s eye to the remote control device, and an angle (f) approximately equal to an angle for a human fovea in accordance with 2 multiplied by (d1+d2) multiplied by tan(f/2); and
adjusting symbol size of text content on the display based on the determined symbol height.
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Abstract
Described is a solution for controlling text symbol size on a display of a display unit based on a measurement of the distance between a remote control device and the display unit. A distance sensing module provides a distance measurement based upon detection of a transmitted signal from the remote control device. A symbol size calculation module determines a target symbol height based on the distance measurement, and a symbol size adjustment module adjusts the size of symbolic content on the display preferably using animation.
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Citations
16 Claims
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1. A method for controlling text symbol display size on a display of a display unit responsive to a distance of a remote control device from the display unit comprising:
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receiving one or more digital output values, each digital output value corresponding to a distance measurement between a remote control device and the display unit; determining a symbol height based on the one or more distance measurements which comprises determining the symbol height based on a distance value (d1) represented by the one or more distance measurements, a pre-configured distance (d2) representing the distance from a viewer'"'"'s eye to the remote control device, and an angle (f) approximately equal to an angle for a human fovea in accordance with 2 multiplied by (d1+d2) multiplied by tan(f/2); and adjusting symbol size of text content on the display based on the determined symbol height. - View Dependent Claims (2, 3)
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4. A system for controlling text symbol display size on a display of a display unit responsive to a distance of a remote control device from the display unit comprising:
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a distance sensing system for detecting a distance from the remote control device to the display unit including a sensor and an analog to digital converter communicatively coupled to receive one or more sensor output signals for conversion to one or more digital output values representative of the distance between the remote control device and the display unit; a memory; a processor accessible to the memory and communicatively coupled to receive the one or more digital output values from the analog to digital converter; a symbol size calculation software module executing on the processor, receiving the one or more digital output values and storing the one or more digital output values in the memory and determining a symbol height based on a distance value (d1) represented by the one or more digital output values, a pre-configured distance (d2) representing the distance from a viewer'"'"'s eye to the remote control device, and an angle (f) approximately equal to an angle for a human fovea in accordance with 2 multiplied by (d1+d2) multiplied by tan(f/2); and a symbol size adjustment software module for adjust symbol size of text content for display on the display based on the determined symbol height. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A computer usable medium comprising software for causing a processor to execute a method for controlling text symbol display size on a display of a display unit responsive to a distance of a remote control device from the display unit, the method comprising:
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receiving one or more digital output values, each digital output value corresponding to a distance measurement between a remote control device and the display unit; determining a symbol height based on the one or more distance measurements which comprises determining the symbol height based on a distance value (d1) represented by the one or more distance measurements, a pre-configured distance (d2) representing the distance from a viewer'"'"'s eye to the remote control device, and an angle (f) approximately equal to an angle for a human fovea in accordance with 2 multiplied by (d1+d2) multiplied by tan(f/2); and adjusting symbol size of text content on the display based on the determined symbol height.
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16. A system for controlling text symbol display size on a display of a display unit responsive to a distance of a remote control device from the display unit comprising:
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means for receiving one or more digital output values, each digital output value corresponding to a distance measurement between a remote control device and the display; means for determining a symbol height based on the one or more distance measurements which comprises means for determining the symbol height based on a distance value (d1) represented by the one or more distance measurements, a pre-configured distance (d2) representing the distance from a viewer'"'"'s eye to the remote control device, and an angle (f) approximately equal to an angle for a human fovea in accordance with 2 multiplied by (d1+d2) multiplied by tan(f/2); and means for adjusting symbol size of text content on the display based on the determined symbol height.
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Specification