Electrical device power management
AssigneeAircraft Medical Limited
InventorsMatthew John Ross McGrath, Peter Douglas Colin Inglis, Brian Alan Laffoley
Life of this patent
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Abstract
An electrical device includes a memory storing a value indicative the remaining available rated capacity of one or more batteries. The stored value is changed in use to reflect reducing capacity. The initial stored value is chosen so that there is a very high (e.g. >99.9%) confidence that the one or more batteries will provide at least the capacity indicated by the initial stored value. This reduces the chance of failure during emergency procedures. The one or more batteries may be integral to the electrical device. An override facility is provided.
Claims16
A method, comprising:
- using a processor of a video laryngoscope to:
- access a value stored in a memory of the video laryngoscope, wherein the value is indicative of a remaining available rated capacity of one or more batteries of the video laryngoscope, wherein the video laryngoscope comprises a battery pack having the one or more batteries;
- determine an amount of usage of the video laryngoscope;
- and
- update the value in response to the amount of usage of the video laryngoscope to reflect a power consumption from the one or more batteries resulting from operation of the video laryngoscope.
A method, comprising:
- storing a value indicative of a remaining available rated capacity of one or more batteries of a video laryngoscope, wherein the video laryngoscope comprises a memory for storing the value and a battery pack comprising the one or more batteries;
- access the value stored in the memory when the video laryngoscope is powered on;
- determine an amount of usage of the video laryngoscope based on the value;
- and
- determine an updated value indicative of the remaining available rated capacity based on the amount of usage.
Dependencies are inferred from the claim text.