Optical device having multiple lenses selected to achieve option

Details Optical device having multiple lenses selected to achieve option Optical device having multiple lenses selected to achieve option

1998-06-19

2000-07-04

Ham, Seungsook

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

358474, 358497, H01L 2700, H04N 104

Patent

active

06084230&

ABSTRACT:
An optical device with optional resolutions is provided for converting an image into electronic signals. The optical device includes a housing, a plurality of focusing units with various magnifying powers and various optical path lengths mounted immobily in the housing for variously proportionally receiving the image and generating a focused image, a photoelectric conversion unit mounted immobily in the housing for converting the focused image into electronic signals, a selecting unit for having one of the focusing units selected according to the desired resolution, and a light-reflecting unit mounted immobily in the housing and between the photoelectric conversion unit and the focusing units for transmitting the focused image from the selected focusing unit to the photoelectric conversion unit.

REFERENCES:
patent: 5907411 (1999-05-01), Han

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