Position sensor, position measuring device and method for the operation thereof
First Claim
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1. A position signal generator for an electronic position measuring device, the position signal generator comprising:
- a signal generation device to generate a periodic magnetic signal;
an electric power supply device to supply the signal generation device with electric power;
at least one local energy storage; and
an energy converter with a receiver coil to receive energy from an induction field, whereinthe electric power supply device has a rectifier to charge the at least one local energy storage with a direct voltage,the position signal generator is configured to rectify a voltage induced in the receiver coil via the rectifier and is configured to charge the at least one local energy storage with the direct voltage generated by the rectifier,the signal generation device has at least one active oscillator which, for energy supply, receives the direct voltage from the at least one local energy storage as an input voltage, the signal generation device being configured to actively generate the periodic magnetic signal in the position signal generator.
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Abstract
A position signal generator for an electronic position measuring device is disclosed. In an embodiment, the position signal generator includes a signal generation device for generating a periodic magnetic signal, and an electric power supply device for supplying the signal generation device with electric energy. The position of the position signal generator is determined via the position measuring device.
6 Citations
9 Claims
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1. A position signal generator for an electronic position measuring device, the position signal generator comprising:
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a signal generation device to generate a periodic magnetic signal; an electric power supply device to supply the signal generation device with electric power; at least one local energy storage; and an energy converter with a receiver coil to receive energy from an induction field, wherein the electric power supply device has a rectifier to charge the at least one local energy storage with a direct voltage, the position signal generator is configured to rectify a voltage induced in the receiver coil via the rectifier and is configured to charge the at least one local energy storage with the direct voltage generated by the rectifier, the signal generation device has at least one active oscillator which, for energy supply, receives the direct voltage from the at least one local energy storage as an input voltage, the signal generation device being configured to actively generate the periodic magnetic signal in the position signal generator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for operating a position signal generator for an electronic position measuring device, comprising:
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generating a periodic magnetic signal via a signal generation device; and supplying, via an electronic power supply device, the signal generation device with electric power, wherein the position signal generator has at least one local energy storage, and an energy converter with a receiver coil to receive energy from an induction field, wherein the electric power supply device has a rectifier to charge the at least one local energy storage with a direct voltage, wherein the position signal generator rectifies a voltage induced in the receiver coil via the rectifier and charges the at least one local energy storage with the direct voltage generated by the rectifier, and wherein the signal generation device has at least one active oscillator which, for energy supply, receives the direct voltage from the at least one local energy storage as an input voltage, and actively generates the periodic magnetic signal in the position signal generator. - View Dependent Claims (9)
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Specification