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System for converting signals into a predetermined data exchange format with plug-in modular connector having voltage, ground, data, and clock terminals for a scanning head

  • US 5,745,794 A
  • Filed: 09/30/1996
  • Issued: 04/28/1998
  • Est. Priority Date: 05/18/1995
  • Status: Expired due to Fees
First Claim
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1. In a data processing system including a scanning head for electro-optically reading and decoding coded symbols into digital decoded signals for transmission along a head cable connected to the head, and a selected one of a plurality of host devices having a data processor with a predetermined data exchange format for receiving and transmitting data with peripheral equipment, an independent interface arrangement for interconnecting the selected host device and the scanning head in a condition of use, comprising:

  • first connection means for detachable connection to the selected host device;

    second connection means for detachable connection to the head cable, said second connection means being a plug-in modular connector having a voltage terminal for connection to a power source, a ground terminal for connection to ground a data terminal for connection to a serial data output of the scanning head, and a clock terminal for connection to a clock line of the scanning head;

    conversion means connected to both connection means, said conversion means including a microprocessor operative for controlling a communications circuit operative for converting the digital decoded signals from the scanning head into digital data signals having a format compatible with the predetermined data exchange format of the selected host device; and

    a housing for containing the conversion means at a location external to the scanning head and the selected host device, said housing and both connection means being mechanically interconnected as a portable, unitary assembly separate from the scanning head and the selected host device when not in said condition of use.

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