174513 ⎘
Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
Sub-classes:Enclosed Additive Manufacturing System
#2OPTICAL APPARATUS AND IMAGE PICKUP APPARATUS
#3Dynamic Optical Assembly For Laser-Based Additive Manufacturing
#4Additive Manufacturing System And Method
#5Chamber Systems For Additive Manufacturing
#6Variable Print Chamber Walls For Powder Bed Fusion Additive Manufacturing
#7Long and High Resolution Structures Formed by Additive Manufacturing Techniques
#8Light Recycling For Additive Manufacturing Optimization
#9RECYCLING POWDERED MATERIAL FOR ADDITIVE MANUFACTURING
#10VARIABLE MAGNIFICATION OPTICAL COMPONENT AND OPHTHALMIC APPARATUS
#11Enclosed Additive Manufacturing System
#12Chamber systems for additive manufacturing
#13Additive manufacturing system and method
#14Part Manipulation Using Printed Manipulation Points
#15Multi-functional ingester system for additive manufacturing
#16Zoom Lens Assembly with Flat Coil Extension Spring Termination
#17Long and high resolution structures formed by additive manufacturing techniques
#18Chamber Systems For Additive Manufacturing
#19Electro-responsive gel lens having automatic multifocal and image stabilization functions
#20Zoom control method, apparatus and medium
#21Dynamic optical assembly for laser-based additive manufacturing
#22Multi-functional ingester system for additive manufacturing
#23ZOOM LENS, ZOOM METHOD, TERMINAL, AND COMPUTER-READABLE STORAGE MEDIUM
#24Zoom lens, zoom method and terminal
#25Methods and apparatus for use with multiple optical chains
#26Telescope and telescope series
#27Variable print chamber walls for powder bed fusion additive manufacturing
#28Chamber systems for additive manufacturing
#29Enclosed additive manufacturing system
#30Chamber systems for additive manufacturing
#31Long and high resolution structures formed by additive manufacturing techniques
#32Light recycling for additive manufacturing optimization
#33Additive manufacturing system and method
#34Objective lenses having multiple focal lengths and a small focal-length ratio
#35Extension Lens Module
#36Optical element switching systems for an electro optical system
#37Methods and apparatus for use with multiple optical chains
#38Multi-functional ingester system for additive manufacturing
#39Methods and apparatus for use with multiple optical chains
#40Magnification and lighting attachment for mobile telephones
#41Variable focal length lens device
#42Microscope apparatus
#43Imaging lens and optical apparatus
#44Operating microscope
#45Zoom system with interchangeable optical elements
#46Additive manufacturing system and method
#47Light recycling for additive manufacturing optimization
#48Polarization combining system in additive manufacturing
#49Recycling powdered material for additive manufacturing
#50Dynamic optical assembly for laser-based additive manufacturing
#51Multi-functional ingester system for additive manufacturing
#52Additive manufacturing system and method
#53Part manipulation using printed manipulation points
#54Long and high resolution structures formed by additive manufacturing techniques
#55Variable print chamber walls for powder bed fusion additive manufacturing
#56Additive manufacturing system and method
#57Methods and apparatus for use with multiple optical chains
#58Adaptable operating frequency of a variable focal length lens in an adjustable magnification optical system
#59SMARTPHONE LENS ASSEMBLY
#60Lens device and correction method for lens device
#61Variable focal length elements for adaptive optical zoom systems and methods
#62Plurality of imaging optical systems and image pickup apparatus using the same
#63MOTORIZED INTERCHANGEABLE LENS SYSTEM
#64Assembly of zoom lens module and zoom imaging module
#65Methods and apparatus for stretched light field microscope
#66Device for the optical measurement of the distance from a reflecting or scattering target object
#67Converter lens system
#68System and method for backing up data
#69Zoom related methods and apparatus
#70Methods and apparatus for use with multiple optical chains
#71Adaptive optical zoom systems and methods
#72Zoom lens system and image pickup apparatus including the same
#73Projection zoom lens and projection type display device
#74Zoom lens for projection and projection-type display apparatus
#75Smartphone lens assembly
#76Optical switching system
#77Interchangeable zoom lens actuator
#78Image processor, image processing method, program and microscope
#79Zoom lens system and image pickup apparatus including the same
#80Optical arrangement for varying an imaging ratio or of a refractive power
#81Changer for optical elements
#82System and method for backing up data
#83Lens system and photographing apparatus having the same
#84Zoom lens system
#85Switchable magnification lens and photographic apparatus having the same
#86Magnification-varying optical device
#87Optical unit and measuring instrument
#88OPTICAL LENS MODULE
#89Lens structure
#90Rotating prism for a digital camera in a portable mobile communication device
#91Zoom lens systems with wavefront coding
#92Variable focal length assembly having optical lens module
#93Projection display apparatus
#94Multiple field of view optical system
#95Dual-focus switchable lens
#96Zoom optical system
#97Optical magnification device for distance variation
#98Dual mode optical magnification system
#99System and method for backing up data
#100System and method for backing up data
#101Method and apparatus of using optical distortion in a directed countermeasure system to provide a variable field of view
#102Optical system having three fields of view using two all-reflective optical modules
#103Zoom lens system and image-taking apparatus having the same
#104Zoom lens system and image-taking apparatus having the same
#105Additive manufacturing system and method