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1. (WO2018200659) EMERGENCY LOCATING TRANSMITTER WITH ALKALINE BATTERY AND SUPERCAPACITOR POWER SUPPLY

Pub. No.:    WO/2018/200659    International Application No.:    PCT/US2018/029337
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Thu Apr 26 01:59:59 CEST 2018
IPC: B65D 25/20
G01S 5/02
Applicants: ACR ELECTRONICS, INC.
Inventors: COX, William
JOHNSON, Isaac
GORA, Irek
Title: EMERGENCY LOCATING TRANSMITTER WITH ALKALINE BATTERY AND SUPERCAPACITOR POWER SUPPLY
Abstract:
An improved D.C. power supply for an emergency locator transmitter ELT mounted on an aircraft that does not require lithium batteries but instead uses conventional alkaline batteries in conjunction with a supercapacitor network to provide a reliable power source even when the ELT that is airborne is subjected to extreme cold temperatures that can affect the alkaline battery operation. Alkaline battery pack with a 12 V output is connected to a supercapacitor network board. The supercapacitors are charged when the ELT is activated ON using the comparator network.