Bit shifting apparatus

Details Bit shifting apparatus Bit shifting apparatus

1984-09-28

1987-01-13

Zache, Raulfe B.

Boots, shoes, and leggings

364715, 377 64, G06F 700

Patent

active

046369767

ABSTRACT:
An improved apparatus for shifting the positions of data bits within a word. A plurality of control means are provided, each of which receives a data bit from the word and which controls the direction of shift of the data bit. A plurality of multiplexer means are provided, each associated with one of the control means. The multiplexer means are interconected among one another and receive a data bit from their associated control means for propagation to one of the other multiplexer means, or receives a data bit from another of the control means and provides the data bit to its associated control means. The multiplexer means are interconnected and controlled in such a manner that the number of control signals required to achieve the desired amount of shifting is minimized. In this manner, a simple, less expensive yet high speed position shifting apparatus is obtained.

REFERENCES:
patent: 3887299 (1975-06-01), Lindgren
patent: 3997771 (1976-12-01), Perlowski et al.
patent: 4149263 (1979-04-01), Prioste
patent: 4383304 (1983-05-01), Hirashima
patent: 4484276 (1984-11-01), Porter et al.
patent: 4509144 (1985-04-01), Palmer et al.
patent: 4573135 (1986-02-01), Dieterich
patent: 4583197 (1986-04-01), Chappell et al.

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