Optical floating-point matrix-vector multiplier

Details Optical floating-point matrix-vector multiplier Optical floating-point matrix-vector multiplier

1985-12-27

1987-09-08

Smith, Jerry

Boots, shoes, and leggings

364845, G06J 100, G06G 900

Patent

active

046928855

ABSTRACT:
A digital multiplication by analog convolusion algorithm is extended by a brid combination of both floating and fixed-point arithmetic. An acousto-optical time-integrating architecture uses a binary representation of the hybrid combination of floating and fixed-point arithmetic. An array of full adders in conjunction with a photodetector array avoids generating mixed binary outputs that normally result when the digital multiplication by analog convolution algorithm is applied so as to eliminate the need for analog-to-digital converters otherwise needed to convert mixed binary to pure binary.

REFERENCES:
patent: 3588486 (1971-06-01), Rosen
patent: 3809873 (1974-05-01), Klahr
patent: 3937942 (1976-02-01), Bromley et al.
patent: 4009380 (1977-02-01), Bocker et al.
patent: 4297704 (1981-10-01), Marom et al.
patent: 4592004 (1986-05-01), Bocker et al.
patent: 4603398 (1986-07-01), Bocker et al.
patent: 4633427 (1986-12-01), Bocker

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