摘要:
An interface arrangement is connected between a scanning head for electro-optically reading bar code symbols and a host device having a host processor operative for processing signals with a predetermined data exchange format. The interface arrangement includes a housing; a first connector on the housing for direct connection to the host device; a second connector on the housing for direct connection to a head cable connected to the scanning head; and a conversion circuit within the housing for converting decoded signals generated in the head into data signals having a format compatible with the predetermined data exchange format of the host processor.
摘要:
A bar code scanning device, system and method that utilizes one or more vertical cavity surface emitting laser diodes for producing at least one laser beam, where the vertical cavity surface emitting laser diodes are disposed on a substrate, and wherein the produced laser beam is substantially an essential single spatial mode laser beam. The bar code scanning device, system and method of present invention also comprise a photodiode attached to the substrate and arranged to receive at least a portion of the beam of light reflected off the scanned bar code or symbol.
摘要:
A rugged mobile device housing is provided for protecting a component (e.g., a liquid crystal display, a keyboard, a printed circuit board, or the like) and includes one or more first structures comprising a first material provided in a region of the housing capable of withstanding deflection, wherein the first material is an elastomer, and one or more second structures bonded to the first structure, wherein the second structure is a high-stiffness plastic. In one embodiment, the first material is a high-stiffness elastomer and the second material is a long glass fiber filled thermoplastic (“LGF” plastic). In one embodiment, the first structure is located at a corner of the housing and the second structure is located in the middle of the housing. In another embodiment, the first structure is located in the center of the housing and the second structures are located at the ends. In yet another embodiment, a projecting handle and hinge are provided, where the first structure is located at the handle and the second structure is located at the hinge.
摘要:
An electrical coupling arrangement, particular for digital transfer, has a female connector and a male connector. Each connector has an electrical coupling portion via which the data are transferred. The connectors are held together by means of a latching arrangement consisting of a pair of fixed latching posts on the male connector which mate with a corresponding pair of flexible latching sleeves which are molded within the body of the female connector. The self-latching action means that the coupling may be effected rapidly but also securely. The invention extends to a method of manufacture, with the body of the female connector being molded around latching sleeves which may have a lower melting point than the material making up the body itself.
摘要:
A separately formed slanted front panel bezel manufactured using injection molding techniques. The interior slanted surface has a plurality of positioning tabs extending perpendicular thereto. An arch shaped screw receptacle extends above the surface, the geometry which allows the mold for same to be withdrawn in a conventional fashion. When the bezel is used in final assembly, a self-tapping screw bites a semi-circular section of the arch shaped protrusion.
摘要:
A hand-held bar code reader including a housing bounding an interior, a window, a generally planar printed circuit board mounted in the interior, and an optical scanning assembly mounted on the board and including a scanner for directing a light beam through the window at an acute angle relative to the board. A scanning element of the reader is manufactured by spacing a first and second support element apart by a gap bounded by edges of the support elements; injection molding a curable, elastomeric material in flowable form over the edges and into the gap; and allowing the curable, elastomeric material to cure and bond to the edges, and form a flexible hinge in the gap for enabling movement of the support elements relative to one another both away from and toward a stable rest initial position.
摘要:
Light is focused in a system for electro-optically scanning and reading bar code symbols by an aperture stop having a first optical portion for optically modifying a first part of a light beam to have a beam cross-section of a known size within a depth of field in which a symbol to be read is scanned by the first beam part, and a second light-transmissive, optical portion bounding the first portion and operative for optically modifying and directing a second part of the light beam away from the first part.
摘要:
An improved rack assembly is provided which includes an improved configuration for mounting multiple enclosed circuit boards. The rack assembly includes improvements in heat sinking power supplies incorporated within the assembly, relative adjustability of various elements of the rack after assembly, and ventilation of the rack during operation in an efficient manner.