Electronic zoom for wide-angle line scanners

Details Electronic zoom for wide-angle line scanners Electronic zoom for wide-angle line scanners

1989-02-06

1991-07-02

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

35821313, 358231, 358241, 358483, H04N 315

Patent

active

050289985

ABSTRACT:
Electronic detector-array synthesis techniques provide fast, precise and accurate digital control of electronic zoom for electro-optical scanning systems. Exponentially-arrayed detector elements with binary-tree size-synthesis and size-interpolation, coupled with logarithmic size-control, offer optimum implementation efficiencies (hardware minimization). Alternative implementations offer different tradeoffs.

REFERENCES:
patent: 3211046 (1965-10-01), Kennedy
patent: 4467361 (1984-08-01), Ohno
patent: 4554585 (1985-11-01), Carlson
patent: 4782228 (1988-11-01), Westell

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