Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 359/689
Name: Optical: systems and elements > Lens > With variable magnification (e.g., zoom type) > With mechanical compensation > Three groups
Description: Subject matter wherein three groups move independently of each other and at least two of the groups function respectively as (1) a variator movable of varying the focal length and (2) a compensator which moves independently of the first group for compensating for image plane deviation focal length variation.










Sub-classes under this class:

Class Number Class Name Patents
359/690 + - + arrangement 247


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
8681434 Zoom lens Mar. 25, 2014
8675286 Zoom lens system, interchangeable lens apparatus and camera system Mar. 18, 2014
8670187 Zoom lens Mar. 11, 2014
8665528 Zoom lens and image pickup apparatus having the same Mar. 4, 2014
8665533 Zoom lens and optical imaging device including the same Mar. 4, 2014
8654448 Inner focus lens system and image pickup apparatus using the same Feb. 18, 2014
8610798 Zoom lens system, imaging device and camera Dec. 17, 2013
8611016 Zoom lens system, interchangeable lens apparatus and camera system Dec. 17, 2013
8587875 Zoom lens, optical apparatus and method for manufacturing zoom lens Nov. 19, 2013
8582211 Zoom lens and image pickup apparatus equipped with same Nov. 12, 2013
8570664 Zoom lens system Oct. 29, 2013
8564887 Zoom lens and image pickup apparatus Oct. 22, 2013
8553328 Zoom lens system Oct. 8, 2013
8547644 Zoom lens and image pickup apparatus with zoom lens Oct. 1, 2013
8547645 Lens system Oct. 1, 2013
8542447 Photographic optical system and image pickup apparatus having the same Sep. 24, 2013
8531768 Zoom lens system Sep. 10, 2013
8531776 Zoom lens system Sep. 10, 2013
8520316 Wide-angle zoom lens system Aug. 27, 2013
8514495 Zoom lens system Aug. 20, 2013
8514497 Zoom lens and image pickup apparatus having the same Aug. 20, 2013
8503093 Zoom lens, optical apparatus and method for manufacturing zoom lens Aug. 6, 2013
8503092 Zoom lens, optical apparatus and method of manufacturing zoom lens Aug. 6, 2013
8472124 Image forming optical system and electronic image pickup apparatus using the same Jun. 25, 2013
8472126 Zoom lens Jun. 25, 2013
8472125 Variable power optical system, imaging device, and digital device Jun. 25, 2013
8462440 Optical system and optical apparatus having the same Jun. 11, 2013
8456750 Zoom lens, optical apparatus and zoom lens manufacturing method Jun. 4, 2013
8446678 Image forming optical system and electronic image pickup apparatus equipped with same May. 21, 2013
8441740 Zoom lens May. 14, 2013
8441738 Zoom lens and image pickup apparatus having the same May. 14, 2013
8432616 Zoom lens system, imaging device and camera Apr. 30, 2013
8427756 Zoom lens system, imaging device and camera Apr. 23, 2013
8422152 Lens barrel Apr. 16, 2013
8405918 Zoom lens and imaging apparatus Mar. 26, 2013
8395848 Zoom lens system, imaging device and camera Mar. 12, 2013
8395849 Imaging lens, optical apparatus equipped with imaging lens and method for manufacturing imaging lens Mar. 12, 2013
8390937 Zoom lens, imaging apparatus and method for manufacturing zoom lens Mar. 5, 2013
8390938 Zoom lens and image pickup apparatus equipped with same Mar. 5, 2013
8385003 Zoom lens Feb. 26, 2013
8379317 Zoom lens system, imaging device and camera Feb. 19, 2013
8355210 Zoom camera module Jan. 15, 2013
8351128 Zoom lens and image pickup apparatus using the same Jan. 8, 2013
8334500 System for reducing defocusing of an object image due to temperature changes Dec. 18, 2012
8325250 Zoom lens system, imaging device and camera Dec. 4, 2012
8325425 Zoom lens system, imaging device and camera Dec. 4, 2012
8320050 Zoom lens and image pickup apparatus including the same Nov. 27, 2012
8320053 Zoom lens Nov. 27, 2012
8314995 Variable power optical system and imaging apparatus Nov. 20, 2012
8300321 Zoom lens system Oct. 30, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17










 
 
  Recently Added Patents
Large carrying case
Methods and systems for flicker correction
Portable electronic device holder and tether
Multi display device and method of controlling the same
Instantaneous single click perpetual date mechanism
Method and system for dynamic digital rights bundling
Image forming unit having agitating portion and image forming apparatus
  Randomly Featured Patents
Photofinishers
Motion transmission device
Process and apparatus for handling driving belts in an automated manner
Process for the preparation of a polyolefin
Method, apparatus and system for distributing and enforcing authenticated network connection policy
Vehicle seat having a head restraint independent from its backrest
Magnetoresistance effect device and method for manufacturing same, magnetic memory, magnetic head, and magnetic recording apparatus
High visibilty belt assembly
Power working machine with internal combustion engine having spark plug
Tool arrangement and tool for chip removal