Patent ID: 9389624
Filing Date: 2016-07-12
CPC Classification: G05F,H02M

Claim Text:
1. A control module for stabilising a DC voltage outputted by an external DC power supply against changes in ambient temperature, wherein the control module includes control circuitry and an enclosure configured to maintain a substantially constant temperature within the enclosure; wherein the external DC power supply includes its own control circuitry for stabilising the DC voltage outputted by the external DC power supply, the control circuitry included in the external DC power supply having measurement circuitry, reference circuitry and comparison circuitry; wherein the control circuitry included in the control module is additional to and configured to work alongside and influence the control circuitry in the external DC power supply, wherein the control circuitry included in the control module includes: wherein at least one temperature-sensitive component of the control circuitry included in the control module is located in the enclosure configured to maintain a substantially constant temperature within the enclosure.