Constant-speed scanning lens system

Details Constant-speed scanning lens system Constant-speed scanning lens system

1988-09-08

1990-10-16

Arnold, Bruce Y.

350479, G02B 2610

Patent

active

049629840

ABSTRACT:
A constant-speed scanning lens system composed of two lens components. One lens component is a biconcave negative lens having the function of diverging parallel rays. The other lens component is a biconvex positive lens having the function of focusing diverging rays. The constant-speed scanning lens system is of a compact size and has a wider scanning angle than previously attainable.

REFERENCES:
patent: 4179183 (1979-12-01), Tateoka et al.
patent: 4269478 (1981-05-01), Maeda et al.
patent: 4512625 (1985-04-01), Brueggemann
patent: 4818046 (1989-04-01), Kondo
Modern Optical Engineering by Warren J. Smith, cover page and pp. 52-57, 1984.

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