Patent ID: 9721176
Date: 2017-08-01
CPC Classifications: A61B,A61M,G06K,H04N

Claim:
1. A supplemental device for gathering information concerning the use of an injection device, the supplemental device comprising: a first camera sensor portion for generating a first camera output indicative of a scene in the field of view of the first camera sensor portion; a second camera sensor portion for generating a second camera output indicative of a scene in the field of view of the second camera sensor portion; and at least one processor configured: to use the first camera output to determine whether a rotational speed of an object in the field of view exceeds a threshold speed; if the rotational speed of the object does not exceed the threshold speed, to process the second camera output to identify a feature provided on the or another object; and if the rotational speed of the object does exceed the threshold speed, to refrain from attempting to identify the feature.