Boots – shoes – and leggings
Patent
1980-12-31
1983-08-02
Boudreau, Leo H.
Boots, shoes, and leggings
G06F 700, G06F 1900
Patent
active
043969941
ABSTRACT:
A circuit for rotating a multibit binary word in either the right or the left direction includes a scale factor decoder receiving a scale factor word which specifies the magnitude of the rotation and a direction control signal which specifies the direction of rotation and providing a shift control word which is the same as the scale factor word when a right rotation is specified but providing a shift control word which is the complement of the scale factor word when a left rotation is specified. The circuit also includes a plurality of input buffers receiving an input word and providing corresponding input data, and a one-bit rotator receiving the input data and the direction control signal and rotating the input data in the right direction by one position when a left rotation is specified or providing the input data without rotation when a right rotation is specified. In addition, the circuit includes a network receiving data from the one-bit rotator and the shaft control word and rotating the data from the one-bit rotator in only the right direction by a magnitude specified by the shift control word. Furthermore, the circuit includes a plurality of output buffers receiving the data from the network and providing an output word.
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Gold et al., "Shift Register System for Image Orientation", IBM Tech. Disclosure Bulletin, vol. 18, No. 8, Jan. 1976, pp. 2633-2639.
Kang Sung M.
Krambeck Robert H.
Bell Telephone Laboratories Incorporated
Boudreau Leo H.
Torsiglieri Arthur J.
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