Aircraft compass system circuit control junction box

Claim 1

IN AN AIRCRAFT HAVING FIRST AND SECOND INDEPENDENTLY OPERABLE NAVIGATION SYSTEMS, MAJOR COMPONENTS OF EACH OF SAID SYSTEMS BEING ELECTRONICALLY EQUIVALENT TO THE ANALOGOUS COMPONENT OF THE OTHER OF SAID SYSTEMS, EACH SYSTEM INCLUDING SENSING MEANS FOR DERIVING A POSITION SIGNAL CHARACTERISTIC OF THE POSITION OF THE AIRCRAFT RELATIVE TO A POINT OF REFERENCE, SIGNAL RESPONSIVE MEANS OPERATIVELY CONNECTED TO THE SENSING MEANS FOR PROVIDING A HEADING REFERENCE SIGNAL FOR THE AIRCRAFT AND MEANS RESPONSIVE TO THE HEADING REFERENCE SIGNAL FOR PROVIDING NAVIGATIONAL DATA; THE IMPROVEMENT COMPRISING A CIRCUIT CONTROL JUNCTION BOX, A SWITCHING SYSTEM COMPRISING A MULTIPLICITY OF SWITCHING DEVICES IN SAID CIRCUIT CONTROL JUNCTION BOX, A PLURALITY OF SAID SWITCHING DEVICES BEING REMOTELY CONTROLLABLE, MEANS INTERCONNECTING A PLURALITY OF THE MAJOR COMPONENTS OF THE INDEPENDENTLY OPERABLE NAVIGATION SYSTEMS TO A PLURALITY OF THE SWITCHING DEVICES IN THE CIRCUIT CONTROL JUNCTION BOX, A CIRCUIT CONTROL PANEL, SWITCHING DEVICE CONTROLLERS IN SAID PANEL FOR CONTROLLING THE REMOTELY CONTROLLABLE SWITCHING DEVICES FOR ELECTRONICALLY INTERCHANGING ANY SELECTED MAJOR COMPONENT OF A FIRST NAVIGATION SYSTEM FOR AN EQUIVALENT MAJOR COMPONENT OF A SECOND NAVIGATION SYSTEM AND FOR SELECTIVELY FEEDING NAVIGATIONAL REFERENCE SIGNALS BETWEEN SELECTED MAJOR COMPONENTS OF EACH OF THE NAVIGATION SYSTEMS AND MEANS INTERCONNECTING THE CIRCUIT CONTROL PANEL SWITCH DEVICE CONTROLLERS AND THE REMOTELY CONTROLLABLE SWITCHING DEVICES IN THE CIRCUIT CONTROL JUNCTION BOX.