US PATENT SUBCLASS 377 / 64
SHIFT REGISTER

Current as of: June, 1999
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377 /   HD   ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS

64SHIFT REGISTER {8}
65  DF  .~> Using electromechanical relays
66  DF  .~> Asynchronous
67  DF  .~> Multirank (i.e., rows of storage units form a shift register)
68  DF  .~> Compensating for or preventing signal deterioration
69  DF  .~> Shift direction control
70  DF  .~> Particular input circuit {3}
75  DF  .~> Particular output circuit {1}
77  DF  .~> Particular transfer means {3}

DEFINITION

Classification: 377/64

SHIFT REGISTER:

(under the class definition) Subject matter comprising an information storage device in which the information, in the form of electric pulses, is stored in and serially transferred through a storage medium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57+, for shift registers using charge transfer means.

SEE OR SEARCH CLASS

365, Static Information Storage and Retrieval,

78, for plural shift register memory devices, subclasses 80+ for magnetic shift register memory systems, subclass 189.12 for a shift register in a static memory system read/write circuit subclass 240 for sequencing memory locations in an addressing circuit using shift registers.