Joystick for generating electric control signals
First Claim
1. Joystick for generating electric control signals comprising a housing, an operating rod, a universal joint which is arranged in said housing and on which said operating rod is movably mounted, sensors arranged in said housing and an element acting upon said sensors in a positionally dependent manner, the distance of said element from said sensors being variable by said operating rod, said sensors being in the form of induction coils through which alternating current circulates, said induction coils each being part of an electric oscillatory circuit, said element acting upon said induction coils being an induction body which is rigidly connected to said operating rod, and the amplitude, frequency and/or phase of the respective oscillatory circuit being changeable by changing the distance of said induction body from said induction coils in order to generate the electric control signals, characterized in that the longitudinal axis of said induction coils (21, 22) intersect in the center (M1) of said universal joint (6, 9, 7, 8;
- 39) which is designed as a ball-and-socket joint, in that in its zero position, said operating rod (11) extends perpendicularly to the plane defined by the longitudinal axes of said induction coils (21,
22), and in that said induction body (19) is part of a sphere, the center (M2) of which is spaced from said center (M1) of said universal joint perpendicular to this plane.
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Accused Products
Abstract
A joystick for generating electric control signals comprises the following components: a housing, an operating rod, a universal joint for the operating rod, sensors and an element acting upon these in a positionally dependent manner. The distance of the element from the sensors can be varied by the operating rod. The sensors are in the form of induction coils through which alternating current circulates. The induction coils, in turn, are each part of an electric oscillatory circuit. It is adequate to provide only two such sensors. The element acting upon the induction coils is an induction body, more particularly, in the form of a spherical part which is rigidly connected to the operating rod. The center of the induction body is spaced from the center of the universal joint. By changing the distance of the induction body from the induction coils, the amplitude, frequency and/or phase of the respective oscillatory circuit can be changed in order to generate the electric control signals.
59 Citations
11 Claims
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1. Joystick for generating electric control signals comprising a housing, an operating rod, a universal joint which is arranged in said housing and on which said operating rod is movably mounted, sensors arranged in said housing and an element acting upon said sensors in a positionally dependent manner, the distance of said element from said sensors being variable by said operating rod, said sensors being in the form of induction coils through which alternating current circulates, said induction coils each being part of an electric oscillatory circuit, said element acting upon said induction coils being an induction body which is rigidly connected to said operating rod, and the amplitude, frequency and/or phase of the respective oscillatory circuit being changeable by changing the distance of said induction body from said induction coils in order to generate the electric control signals, characterized in that the longitudinal axis of said induction coils (21, 22) intersect in the center (M1) of said universal joint (6, 9, 7, 8;
- 39) which is designed as a ball-and-socket joint, in that in its zero position, said operating rod (11) extends perpendicularly to the plane defined by the longitudinal axes of said induction coils (21,
22), and in that said induction body (19) is part of a sphere, the center (M2) of which is spaced from said center (M1) of said universal joint perpendicular to this plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- 39) which is designed as a ball-and-socket joint, in that in its zero position, said operating rod (11) extends perpendicularly to the plane defined by the longitudinal axes of said induction coils (21,
Specification