Patent ID: 11878152
Assignee: SANOFI
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 18:
19. An electronic device comprising:
a housing configured to be attached to an injection device;
a first coil disposed in the housing and configured to, when the electronic device is attached to the injection device, produce a first voltage pulse indicative of a first status of the injection device as a first Wiegand wire of the injection device moves from a first position proximate to a first magnet to a second position proximate to a second magnet; and
one or more processors configured to receive the first voltage pulse and determine the first status of the injection device based on a time of receipt of the first voltage pulse,
wherein the housing of the electronic device is configured to slide relative to a housing of the injection device to position the electronic device proximate to the first Wiegand wire of the injection device.