摘要:
A condensing heat exchanger of the kind having a primary heat exchanger and a secondary heat exchanger connected downstream of and in series with the primary heat exchanger. The secondary heat exchanger is arranged to at least partially condense combustion gases discharged from the primary heat exchanger. The primary heat exchanger comprising a drum having a longitudinal axis and the secondary heat exchanger comprising a plurality of small diameter tubes arranged by the side of the drum and extending parallel with the longitudinal axis of the drum.
摘要:
An application program interface to manage gift cards and check authorizations may be described. An apparatus may comprise a point of sale device having a processor coupled to a memory, the memory storing a point of sale host application object, a gift card service add-in object and a check service add-in object. The processor may execute the gift card service add-in object in response to application program interface commands to perform gift card service operations for the point of sale host application object. The processor may execute the check service add-in object to perform check service operations for the point of sale host application service. Other embodiments are described and claimed.
摘要:
A trailer with display screen storage and support includes infrastructure necessary to store, support and adjust the position and orientation of a large display screen displaying audio/video programming. The trailer has a bed facilitating storage of screen sections on one side of a telescoping support. A portion of the roof is attached to the telescoping support so the telescoping support emerges from within the trailer by lifting the roof portion integrated with the telescoping support. The screen display is separable into top and bottom halves, the top half affixed to the telescoping support and the bottom half separable from the top half and laterally movable to and from a storage position and to and from a position at which it may be releasably connected to the top half of the screen display. The screen display may have ends pivotable from extended to retracted configurations with respect to a center section.
摘要:
A trailer with display screen storage and support includes infrastructure necessary to store, support and adjust the position and orientation of a large display screen displaying audio/video programming. The trailer has a bed facilitating storage of screen sections on one side of a telescoping support. A portion of the roof is attached to the telescoping support so the telescoping support emerges from within the trailer by lifting the roof portion integrated with the telescoping support. The screen display is separable into top and bottom halves, the top half affixed to the telescoping support and the bottom half separable from the top half and laterally movable to and from a storage position and to and from a position at which it may be releasably connected to the top half of the screen display. The screen display may have ends pivotable from extended to retracted configurations with respect to a center section.
摘要:
A user interface for transaction applications is disclosed. The interface may include a focus area in which commonly-used functions are represented by interface elements, as determined by the frequency with which users select the function, or by user preference. The interface may also include an expanded entry for a selected item.