Patents
Patents for G02B 17 - Systems with reflecting surfaces, with or without refracting elements (9,842)
11/1980
11/25/1980CA1090183A1 System for illuminating an annular field
11/18/1980US4234894 Reflecting optical system for projection television
11/18/1980US4234891 Optical illumination and distortion compensator
11/18/1980US4234240 Optical scanning system with unwanted reflections controlled
10/1980
10/14/1980CA1087769A1 Three-dimensional display
10/07/1980US4226501 Four mirror unobscurred anastigmatic telescope with all spherical surfaces
10/07/1980US4226500 Scanning optical system with reflective lens
09/1980
09/09/1980US4221459 Erect image telescope optical system
09/02/1980CA1085017A1 Optical scanning apparatus
08/1980
08/19/1980US4218134 Optical system for copier
07/1980
07/29/1980US4214817 Prismatic light beam expansion or compression system
07/29/1980US4214813 Prismatic light beam expander or compressor means
07/15/1980US4212526 Viewfinder for single lens reflex camera
07/15/1980CA1081512A1 Variable magnification lens system
07/10/1980WO1980001419A1 A reflective beam rotator
07/08/1980CA1081069A1 Radiant heat recouperation
07/08/1980CA1081011A1 Catadioptic lens system
07/01/1980CA1080786A1 Process for increasing the illumination level produced by a laser beam
06/1980
06/24/1980US4209232 Multiple reflection optical system
06/24/1980CA1080010A1 Variable focal length reflector lens system
06/17/1980US4208585 Apparatus for focusing electromagnetic radiation on a sample
06/17/1980US4208105 Reflective device and method for viewing one's own facial areas
06/10/1980US4206991 Pentagonal roof reflecting mirror assembly for single lens reflex cameras
06/03/1980US4205902 Laser beam expander
05/1980
05/13/1980CA1077609A1 Multi-dimensional corrective system for long radiation beams
05/06/1980CA1076859A1 Optical system for multiple imaging a linear object
04/1980
04/08/1980US4196967 Optical system with masking means and method for producing it
04/08/1980US4196961 Optical apparatus for correcting the spherical aberration of a spherical concave mirror
04/01/1980US4195914 Mirror arrangement within an evacuated space for accurately focussing a large diameter, high power laser beam
04/01/1980CA1074648A1 Cylindrical radiant energy direction device with refractive medium
03/1980
03/25/1980US4194810 Truck tire safety reflector
03/25/1980CA1074382A1 Reflector for use in sunlamps or the like
03/18/1980CA1073715A1 Optical system for multiple imaging of a linear object
03/11/1980US4192573 Variable power attenuator for light beams
02/1980
02/26/1980CA1072381A1 Remote control light receiving lens system
02/12/1980US4188091 Cata-dioptric objective lens system
02/06/1980EP0007432A1 Rear-view device incorporatable in helmets and the like
01/1980
01/15/1980US4183672 Optical inspection system employing spherical mirror
12/1979
12/18/1979US4179192 Laser fusion optical system
12/18/1979CA1068147A1 Optical projection system for copying apparatus
12/12/1979EP0005705A1 Telescope and its application in binoculars
11/1979
11/27/1979CA1067190A1 Optical imaging of flashlamp discharge to laser medium
11/06/1979US4173396 Copying lens
10/1979
10/23/1979US4171871 Achromatic unit magnification optical system
10/23/1979US4171870 Compact image projection apparatus
09/1979
09/25/1979CA1063074A1 Ultraviolet light processor having movable reflectors
09/05/1979EP0003918A1 Image focusing system and reprographic camera including such a system
09/04/1979US4166959 Multi-channel rotating optical interface for data transmission
08/1979
08/21/1979US4165151 Two-reflecting catadioptric optical system
07/1979
07/17/1979US4161351 All-reflective optical target illumination system with high numerical aperture
07/10/1979US4160577 Heat recuperator
06/1979
06/27/1979EP0002647A1 Compact catadioptric objective with high luminous power
06/13/1979EP0002428A1 Optical system for use with apparatus for contouring surfaces with coherent light
04/1979
04/03/1979CA1051848A1 Ultraviolet light processor having rotating shutters
03/1979
03/27/1979US4146307 Method of increasing the light produced by a laser beam
02/1979
02/27/1979US4141649 Optical projection system for copying apparatus
02/20/1979US4141060 Ultraviolet light processor having movable reflectors
12/1978
12/19/1978US4130832 Three-dimensional display
12/05/1978US4128305 Catadioptric objective
11/1978
11/14/1978US4125864 Beam splitter
11/14/1978US4125778 Apparatus for laser anemometry
10/1978
10/31/1978US4123136 Piezo-electric line of sight corrector for inertial platform stabilized sensor in a stellar navigational system
10/31/1978CA1041331A1 Optical system for image orientation
10/10/1978US4119374 Reprographic apparatus and method
10/10/1978CA1039989A1 Light collectors in cylindrical geometry
10/03/1978US4118622 Cone optical system
09/1978
09/26/1978CA1039093A1 Variable magnification projection system
09/19/1978US4114592 Cylindrical radiant energy direction device with refractive medium
09/05/1978US4111531 Multi-dimensional corrective system for long radiation beams
08/1978
08/22/1978USRE29738 Apparatus for providing energy communication between a moving and a stationary terminal
08/15/1978US4106856 Stray light control in an optical system
08/15/1978US4106855 Lens element incorporating narrow bandpass filter and usable in dual mode
08/08/1978US4106083 Reflector for use in sunlamps or the like
08/01/1978US4103990 Catadioptric wide-angle lens system for reproduction
08/01/1978US4103989 Unit-power concentric optical systems
07/1978
07/18/1978US4101195 Anastigmatic three-mirror telescope
06/1978
06/27/1978US4097141 Optical objectives using apertured retrodirective reflectors
06/27/1978US4097125 Image forming optical system
05/1978
05/30/1978US4092531 Immersed reflector quadrant detector
05/23/1978US4090775 Moveable optical probe for viewing a scale model with image tilting
05/09/1978US4088397 Optical device comprising mechanical connections transverse to the optical path
04/1978
04/18/1978US4084894 Array of optical projection devices
04/18/1978US4084887 All-reflective optical target illumination system with high numerical aperture
04/04/1978US4082414 Heat recuperation
02/1978
02/14/1978US4073573 Zoom lens system
01/1978
01/17/1978US4068947 Optical projection and scanning apparatus
01/10/1978US4068121 Light collector and prism light source for photoelectric readers
12/1977
12/13/1977US4062625 Reflex copier lens
12/06/1977US4061420 Catadioptric lens system
12/06/1977US4061419 Variable magnification lens system
11/1977
11/22/1977US4059336 Microscope and magnification changer
11/01/1977US4056308 Variable focal length reflector lens system
10/1977
10/18/1977US4054364 Apparatus for transmitting light through Cassegrain optics
09/1977
09/27/1977US4050775 Catoptric lens arrangement
08/1977
08/23/1977US4043643 Catadioptic telescope
08/16/1977US4042821 Remote control light receiver
08/09/1977US4040723 Optical apparatus for reproducing a pair of data images on a common photographic plane
08/02/1977US4039246 Optical scanning apparatus with two mirrors rotatable about a common axis
07/1977
07/26/1977US4037943 Reflection type image forming optical system having a large angle of view
07/12/1977US4035062 Method and apparatus for producing an image from a transparent object
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