Method and apparatus for implementing the test of computer functional units
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Power supply testing apparatus
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Matching arrangement for converting bi-directional signals into binary signals
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Testing system for a data processing unit
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Interface for establishing communications between a data-processing unit and a plurality of stations
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Apparatus for checking the operation of control circuits
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Apparatus for positionally controlling a movable head assembly
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Interface for connecting a data-processing unit to an automatic diagnosis system
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Process and apparatus for determining the magnitude of the paper advance commanded in a printing machine
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Apparatus for detecting and processing errors
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Printing actuator
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Apparatus for orienting patterns provided on masks for serigraphy
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Computer instruction control apparatus and method
US3974765A
Apparatus for correcting the way in which print hammers strike
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System for protecting shared files in a multiprogrammed computer
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Connector
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Test and diagnosis device
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Apparatus for transferring data from a volatile main memory to a store unit upon the occurrence of an electrical supply failure in a data processing system
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Device for the exact positioning of a movable part
