Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Optical system for deflecting image










Image Number 15 for United States Patent #4974950.

An optical system comprising, from front to rear, a first lens group of positive power, a second lens group of negative power and a third lens group of positive power, wherein deflection of an image is made by parallel decentering the second lens group.








 
 
  Recently Added Patents
Collating device, collating method, and program
Reframing circuitry with virtual container drop and insert functionality to support circuit emulation protocols
Microporous membranes and methods for producing and using such membranes
DRAM refresh method and system
Digital broadcasting system and method of processing data in digital broadcasting system
Progressively discovering and integrating services
Compatibility check
  Randomly Featured Patents
Method for making nitrile compounds from ethylenically unsaturated compounds
Automatic wind-up roller for safety belts
UV light
Temporary lighting apparatus and cage therefor
Shadow mask with skirt
Watch
Process for separation of ash from waste activated sludge
Combined storage and dispensing unit for loose fill material
Cone retainer for a rotary rock bit
Electrophotographic photosensitive product