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Disclosed is a method that places a low-power, bright LED light on a PDA device so that it can be used as a notification light or a flashlight. Benefits include expanding the usefulness of PDA devices.
English (United States)
This text was extracted from a Microsoft Word document.
At least one non-text object (such as an image or picture) has been suppressed.
100% of the total text.
LED Flashlight on a Handheld Device
Disclosed is a method that places a low-power, bright LED
light on a PDA device so that it can be used as a notification light or a
flashlight. Benefits include expanding the usefulness of PDA devices.
Currently, new low-power LED lights are not used within PDA
devices; however, there is an industry-wide desire to explore further uses for
The disclosed method places a low-power, bright LED light on
a PDA device so that it can be used as a flashlight. The LED light is powered
by the same battery as the rest of the PDA, and controlled by a separate button
on the side of the device. Both the standard buttons on the PDA and the
built-in software control the LED light.
The disclosed method can be used as a visual cure to notify
a user of incoming messages, meeting events, or other events; it can also be
used by people with hearing impairments as a way to get notifications from
their hand held device. In addition, the light can be seen up to one mile away,
and may be used as a flashlight or to communicate information (via Morse code)
over long distances.
Some implementations of the disclosed structure and method
provide one or more of the following advantages:
The disclosed method enables new PDA functionality,
including a message indicator and a low-power bright LED flashlight.