9512644 B2 abstract a lock assembly including an orientation sensor and at least one component operable in two modes the orientation sensor is adapted to indicate at least two orientations of the orientation sensor the at least one component is operable in a predetermined one of the at least two modes responsive to an indication of one of the at least two orientations from the orientation sensor and is operable in a predetermined other of the at least two modes responsive to an indication of the other of the at least two orientations from the orientation sensor application_number US 201213990549 A description fig1 shows a first embodiment of a surface mounted lock assembly indicated generally by the reference numeral 10 the lock assembly 10 is shown mounted adjacent an edge 12 of a door 14 the lock assembly includes a pair of handles 16 a and 16 b a pair of escutcheons 18 a and 18 b and a housing 20 for storage of batteries 22 and other components as will be described in more detail below fig1 also shows a printed circuit board pcb 24 on which is mounted an orientation sensor in the form of a tilt switch 26 a first cable part 28 a extends from the the pcb 24 to a first connector part 30 a a second cable part 28 b extends from a second connector part 30 b to an electric motor 32 the motor.