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US 10,652,662 B2Granted
Connectors for data transfer
AssigneeCirrus Logic, Inc.
InventorsRobert David Rand, John Laurance Pennock
Life of this patent
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AssigneeCirrus Logic, Inc.
InventorsRobert David Rand, John Laurance Pennock
Estimating the term…
Embodiments of the present disclosure relate to methods and apparatus for peripheral device discovery, the detection of orientation of a connector having multiple degrees of rotational symmetry, and the provision of appropriate signal paths between a host device and a peripheral device. Some embodiments provide a characteristic impedance within the peripheral device that is coupled between rotationally symmetric contacts of the connector and thus enables detection of the connector orientation. The value of the characteristic impedance may be used in some embodiments to determine the type or model of peripheral device. Some embodiments are concerned with the enablement of appropriate signal paths to a peripheral device having a transducer (e.g. a loudspeaker) coupled only to rotationally symmetric contacts of the connector, such as headphones implemented in a “balanced” configuration.
A data controller for controlling transfer of data between a host device and a peripheral device via a connector of the host device, the connector comprising a plurality of contacts having n-fold rotational symmetry, wherein n is an integer greater than one, the data controller comprising:
An electronic accessory device for connection to a host electronic device via a connector of the electronic accessory device, the connector comprising a plurality of contacts having n-fold rotational symmetry, wherein n is an integer greater than one, the electronic accessory device comprising:
Dependencies are inferred from the claim text.