US Patent 10191514 Tablet computer with interface channels

A modular interface and attachment system for integration with, or use with, a tablet computer is disclosed. The system allows for the modular attachment of ergonomic features, specialty I/O devices, and specialty data entry hardware. Interface channels may be built into the rear surface of the tablet housing, while the accompanying accessories are provided with mating splines. The interface channels can also include electrical contacts to provide power to accessories that are mounted, or to facilitate the mounting of an auxiliary battery. Accessories that require a physical data or I/O interface with the tablet can be mounted at either end of the tablet at positions where data connectors are provided.