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US 2021/0344207 A1Published application
Charge cable deadzone mitigation
AssigneeSnap Inc.
InventorShaheen Moubedi
Life of this patent
Estimating the term…
Abstract
A charging cable is configured to rotate freely while attached to a cable plug on a chargeable device. The plug has contact pads separated by an insulator, and the matching cable head has pins for contacting the pads of the plug. There may be a ‘deadzone’ position where one or more pins of the cable head rest of the separator and do not make contact with the charge pads on the cable plug. The examples include pins in the cable head for redundant charging paths that are complimentary such that only one of the power paths will be on at any given time.
Claims20
A system, comprising:
- a chargeable device including:
- a battery;
- a battery charger circuit coupled to the battery;
- and
- a cylindrical post having a curved surface including first and second charging contact pads coupled to supply power to the battery charger circuit of the chargeable device, and an insulator electrically separating the first and second charging contact pads;
- and
- a charging cable including:
- a power bus and a ground bus;
- a cable head having a cylindrical recess configured to accept the cylindrical post when the cable head is rotatably coupled to the cylindrical post of the chargeable device;
- power pins and ground pins protruding into the cylindrical recess of the cable head;
- and
- one or more power path switches coupled between the pins and the buses to selectively connect a different one of the power pins to the power bus and a different one of the ground pins to the ground bus.
9 more elements
A charging cable including:
- a power bus and a ground bus;
- a cable head having a cylindrical recess configured to accept a cylindrical post of a chargeable device when the cable head is rotatably coupled to the cylindrical post of the chargeable device;
- power pins and ground pins protruding into the cylindrical recess of the cable head;
- and
- one or more power path switches coupled between the pins and the buses to selectively connect a different one of the power pins to the power bus and a different one of the ground pins to the ground bus.
2 more elements
A chargeable device including:
- a battery;
- a battery charger circuit coupled to the battery;
- and
- a cylindrical post having a curved surface including first and second charging contact pads coupled to supply power to the battery charger circuit of the chargeable device, and an insulator electrically separating the first and second charging contact pads.
1 more element
Dependencies are inferred from the claim text.