Casio: high-precision positioning system “picalico”: LED light communication
February 14, 2020
Casio: Smart Factory EXPO2020:
Casio Computer has released a high-precision positioning system “picalico” using visible light communication at the “4th Smart Factory EXPO” (Tokyo Big Sight, February 12-14, 2020).
“Picalico”:
“Picalico” can easily measure the position indoors.
Uses proprietary visible light communication that transmits signals by changing the color of the LED light.
This system can collect information on the location and status of mobile devices working indoors.
The signals are three colors (red, green, blue),
10Hz period / 24 times changing color change pattern configuration,
The pattern is defined as one piece of ID information.
How to receive the signal:
Shoot the light of the LED lamp with a camera,
ID conversion of video data with “picalico receiving application”,
ID registration / location information is calculated using the “picalico position app”.
There are 1,062,882 combinations of color change patterns transmitted as signals.
A single camera can simultaneously receive up to 100 signals and determine the position of each.
Usage:
Automatic transfer machines and carts in factories,
Warehouse forklift,
The signal is transmitted from the LED light and received by the camera.
Real-time positioning is possible with a high accuracy of less than ± 60cm at a distance of 50m.
Switch the signal of LED lights and collect information on mobile equipment such as the presence or absence of cargo.
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