Patent ID: 6393343
Filing Date: 2002-05-21
Classification: B64D,Y02T

Abstract:
A passenger service unit (PSU) for an aircraft cabin, said passenger service unit comprising at least one passenger service component, a passenger interface and supply adapter (PISA) (10) for controlling said at least one passenger service component independently of an aircraft central control (12), said passenger interface and supply adapter (10) comprising at least one programming input/output (17) for programming said passenger service unit independently of said aircraft central control (12), a signal conductor bus (11) for connecting said passenger interface and supply adapter (10) to said aircraft central control (12), said passenger interface and supply adapter (10) further including a processing unit (14) connected to said programming input/output (17) for individually programming said processing unit (14) and thereby controlling said at least one passenger service component in said passenger service unit independently of said aircraft central control (12), said passenger interface and supply adapter (10) further comprising a memory (15) operatively connected to said programming input/output (17) for program storing, wherein said passenger interface and supply adapter (10) functions as a buffer between said aircraft central control (12) and said passenger service unit, so that said passenger service unit is modifiable by individual programming through said programming input/output without affecting any other passenger service unit or units.