Optical signal processing apparatus

Details Optical signal processing apparatus Optical signal processing apparatus

1977-05-25

1980-05-20

Gruber, Felix D.

Boots, shoes, and leggings

333150, 343 9PS, 364826, 364861, 367 64, 367103, G06G 900, G06G 719

Patent

active

042042623

ABSTRACT:
Signal processing apparatus having the capability to perform simultaneous space-time processing of sonar, radar and similar time-varying signals, and to effect the Fourier transform of multiple time-varying signals through electro-optical photoelastic means, photoconductive means, or photoemissive means.

REFERENCES:
patent: 3555180 (1971-01-01), Cook
patent: 3766559 (1973-10-01), Butcher, Jr. et al.
patent: 3836712 (1974-09-01), Kornreich et al.
patent: 4065791 (1977-12-01), Kowel et al.
patent: 4071907 (1978-01-01), Casasent
Blackledge et al.; Investigation of Display Techniques Using Elastic Surface Waves and Local Storage IEEE Journal Solid-State, vol. SC-5, No. 4, Oct. 1970, p. 244/249.
Kowel et al.; Progress on Two-Dimensional Direct Electronic Fourier Transform (DEFT) Devices 1974 Ultrasonics Symposium Proceedings IEEE Cat. #74CHO, pp. 763-767.
Casasent et al.; Electro-Optical Processing of Phased-Array Antenna Data, IEEE Transactions on Aerospace and Electronic Systems, vol. AES-11, No. 1, Jan. 1975, pp. 65-75.
Kornreich et al.; DEFT: Direct Electronic Fourier Transforms of Optical Images, Proceedings of the IEEE, vol. 62, No. 8, Aug. 1974, pp. 1072-1087.

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