Device for producing an output image while giving an original im

Details Device for producing an output image while giving an original im Device for producing an output image while giving an original im

1987-03-30

1989-02-21

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

G09G 106

Patent

active

048069205

ABSTRACT:
In an image rotating device, an input data processor processes an input signal representative of an original image into a processed signal successively representative of words wherein bits representative of picture elements of the original image are arranged according to an angle of rotation of 90.degree., 180.degree., or 270.degree. which should be given to the original image. When the rotation is 90.degree. or 270.degree., a block of bits is set in a shift register array which successively produces groups of bits. The groups of bits are stored in a random access memory and then read therefrom as successive group sets in a predetermined manner. An output data processor processes the group sets into an output signal representative of a desired rotated output image. When the rotation is 180.degree., the processed signal is processed by the output data processor directly into the output signal. Preferably, a prescribed number of shift register arrays are used to successively produce the groups, each having a longer bit length than the group produced by a single shift register array.

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patent: 4703515 (1987-10-01), Baroody, Jr.
patent: 4706205 (1987-11-01), Akai et al.

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