摘要:
A portable optical scanning system incorporates a ring mounted optical scanner module which is arranged to transmit data either via radio or cable to a wrist mount unit. The wrist mount unit may either receive and store the information, or it may include a radio transmitter for onward transmission of the data. A variety of different rings, ring mounted scanner modules, wrist mounts and wrist mount units may be provided for various applications, the user simply picking those which are required in any individual case. The scanner module is mounted to the ring by a breakaway element allowing the module easily to break off the mounting to prevent damage and/or injury.
摘要:
A bar code reader having a reader module and a terminal module releasably connectable together for communication. Module components may be mounted on a glove to be worn by the user. One of a plurality of gripping portions is selected to provide a desired gripping mode for the reader.
摘要:
An electro-optical system for reading bar code symbols includes a reader module and a terminal module releasably interconnected to each other. The reader module includes a manually actuatable actuator to initiate the reading. Reading is initiated either when the modules are disconnected, or when the modules are interconnected, by manually actuating the actuator in both cases. A keyboard may be provided on either module to facilitate data entry.
摘要:
In one embodiment, a protection device is used to protect a circuit. The protection device has a maximum rated power dissipation that is less than a maximum rated power dissipation of the circuit that is being protected.