A filament lamp includes multiple filament assemblies having filaments connected to paired leads, arrayed in order within a light emitting tube and following a tube axis thereof. Actuation of the at least one linear actuator adjusts the relative position of the driven shafts for the two gearboxes with respect to each other. The movement of the display area is restricted when the move instruction is not an instruction instructing a movement within the non-restricted range. The present invention also includes pharmaceutical compositions containing heteroaryl substituted thiazolo compounds and methods for using heteroaryl substituted thiazolo compounds, including methods for using the compounds in the treatment of hepatitis C virus. Motor elements guided by control elements are provided to operate the shutter element. Also during the discharge, a difference is sensed between a voltage on the bit-line and a voltage on the reference bit-line.