Patent ID: 8583834

Claim:
An assembly, comprising: an accessory, including: a sensor; at least one data store that stores first and second data; and an accessory connector, which includes one or more supply contacts connected with the sensor and a first and second detect contacts connected with the at least one data store; and a main device comprising including: a main device connector which includes one or more supply contacts which are configured to connect electrically with the accessory connector one or more supply contacts and a first and second detect contacts which are configured to connect electrically with the accessory first and second detect contacts, respectively; at least one detection device, which, in response to the main and accessory connectors connecting via the accessory and main device contacts, receives first accessory data from the at least one accessory data store via the first main device and accessory detect contacts, and evaluates the first accessory data, and in response to a positive evaluation of the first accessory data, reads second accessory data from the at least one accessory data store via the second main device and accessory detect contacts and evaluates the second accessory data; and a power supply which supplies power to the one or more supply contacts of the device connector in response to a positive evaluation of the second accessory data.