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No. 2D730-148E*O
17.
3D POSITION SENSOR
17.1
3D Position Sensor Unit
(1)
Outline
The position sensor receiver of the 3D position sensor detects the magnetic field emitted by
the position sensor transmitter.
Based on this information from the magnetic field, the
control unit of the 3D position sensor measures the three-dimensional
position and direction
of the position sensor receiver with respect to the transmitter,
and transmits the results to
the diagnostic ultrasound system (hereinafter
referred to as "the system").
(2)
Functions
As shown in figure 17-1, the position sensor receiver detects the magnetic field in the three
directions generated
by the position sensor transmitter,
and the control unit measures the
three-dimensional
position (x, y, z) of the position sensor receiver in the orthogonal
3D
space around the position sensor transmitter.
The control unit also measures the directions
(a, 8, r) that represent the rotation angles of the coordinate system formed by the position
sensor receiver as shown in figure 17-2. The control unit then transmits the obtained
positional and directional data to the system.
Position sensor
receiver
Position sensor
transmitter
Figure 17-1 Positional data
Figure 17-2 Directional data
17-1
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