Actuator detection
First Claim
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1. An electronic device comprising:
- an actuator to generate an actuator identification signal to identify the actuator as a first actuator type and to indicate an operational characteristic of the actuator;
a voltage control circuit coupled to the actuator, wherein the voltage control circuit comprises;
a feedback resistor network; and
a switch coupled to the feedback resistor network, the switch to change an effective resistance of the feedback resistor network based on the actuator identified by the actuator identification signal, wherein a first effective resistance corresponds to the first actuator type and a second effective resistance corresponds to a second actuator type; and
a haptic controller coupled to the actuator and the voltage control circuit, the haptic controller configured to provide a boost voltage to the feedback resistor network of the voltage control circuit, wherein the first effective resistance of the feedback resistor network adjusts the boost voltage to generate an actuator drive signal at a voltage that satisfies the operational characteristic of the actuator, and wherein the haptic controller is configured to provide the actuator drive signal to the actuator.
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Abstract
A voltage control circuit in an electronic device receives an actuator identification signal from a personality module of an actuator in the electronic device. The voltage control circuit determines, based on the actuator identification signal, an operating voltage for the actuator and providing a drive signal at the operating voltage to the actuator.
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Citations
21 Claims
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1. An electronic device comprising:
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an actuator to generate an actuator identification signal to identify the actuator as a first actuator type and to indicate an operational characteristic of the actuator; a voltage control circuit coupled to the actuator, wherein the voltage control circuit comprises; a feedback resistor network; and a switch coupled to the feedback resistor network, the switch to change an effective resistance of the feedback resistor network based on the actuator identified by the actuator identification signal, wherein a first effective resistance corresponds to the first actuator type and a second effective resistance corresponds to a second actuator type; and a haptic controller coupled to the actuator and the voltage control circuit, the haptic controller configured to provide a boost voltage to the feedback resistor network of the voltage control circuit, wherein the first effective resistance of the feedback resistor network adjusts the boost voltage to generate an actuator drive signal at a voltage that satisfies the operational characteristic of the actuator, and wherein the haptic controller is configured to provide the actuator drive signal to the actuator. - View Dependent Claims (2, 3, 4, 5)
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6. A method comprising:
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receiving an actuator identification signal from an actuator in an electronic device, the actuator identification signal to identify the actuator as a first actuator type and to indicate an operational characteristic of the actuator; control circuit based on the actuator identification signal, controlling, by a voltage control circuit, an effective resistance of a feedback resistor network based on the actuator identification signal to determine a first operating voltage for the actuator, the feedback resistor network configured to adjust a boost voltage received as an input to the first operating voltage, wherein the first operating voltage corresponds to the first actuator type and wherein a second operating voltage corresponds to a second actuator type; and providing a drive signal at the first operating voltage to the actuator. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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14. An electronic device comprising:
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an actuator to provide an actuator identification signal, the actuator identification signal to identify the actuator as a first actuator type and to indicate an operational characteristic of the actuator; an application processing device coupled to the actuator, the application processing device configured to receive the actuator identification signal from the actuator; a voltage control circuit coupled to the application processing device, the voltage control circuit comprising a feedback resistor network controlled by the application processing device, wherein the application processing device is configured to change an effective resistance of the feedback resistor network based on the actuator identification signal, wherein a first effective resistance corresponds to the first actuator type and a second effective resistance corresponds to a second actuator type; and a haptic controller coupled to the actuator, the application processing device and the voltage control circuit, the haptic controller configured to provide an actuator drive signal to the actuator based on the first effective resistance of the feedback resistor network in the voltage control circuit. - View Dependent Claims (15, 16, 17, 18)
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19. An electronic device comprising:
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an actuator to provide an actuator identification signal, the actuator identification signal to identify the actuator as a first actuator type and to indicate an operational characteristic of the actuator; a voltage control circuit coupled to the actuator, the voltage control circuit comprising a feedback resistor network controlled by the actuator identification signal, wherein the voltage control circuit is configured to change an effective resistance of the feedback resistor network based on the actuator identification signal, wherein a first effective resistance corresponds to the first actuator type and a second effective resistance corresponds to a second actuator type; and a haptic controller coupled to the actuator and the voltage control circuit, the haptic controller configured to provide an actuator drive signal to the actuator based on the effective resistance of the feedback resistor network in the voltage control circuit. - View Dependent Claims (20, 21)
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Specification