Apparatus for rotating a dot matrix pattern by 90 degrees

Details Apparatus for rotating a dot matrix pattern by 90 degrees Apparatus for rotating a dot matrix pattern by 90 degrees

1987-11-17

1988-10-04

Goldberg, E. A.

Image analysis

Histogram processing

For setting a threshold

340727, 340789, 358280, G06K 932

Patent

active

047760265

ABSTRACT:
An improved circuit for rotating an n.times.n dot-matrix through 90.degree. includes n latch circuits, each of which latches a column of the dot-matrix, and n output buffers, each of which is connected to the latch circuits susch that like-numbered bits of all matrix columns are forwarded to the same one output buffer.

REFERENCES:
"Image Rotating System", IBM Technical Disclosure Bull., vol. 28, No. 7, Dec. 1985.

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