US PATENT SUBCLASS 714 / FOR 125
.~.~ Special test patterns (e.g., checkerboard, walking ones) (371/21.3)

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714 /   HD   ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY

FOR 123  DF  MEMORY TESTING (371/21.1) {4}
FOR 124  DF  .~ Read-in with read-out and compare (371/21.2) {1}
FOR 125.~.~ Special test patterns (e.g., checkerboard, walking ones) (371/21.3)

DEFINITION

Classification: 714/FOR.125

Special test patterns (e.g., checkerboard, walking ones):

Foreign art collections including subject matter in which the test patterns are selected to exercise the memory by transferring a combination of logic zeroes and ones through the memory, e.g., alternating zeroes and ones-checkerboard pattern.