Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
06/1976
06/01/1976US3960441 Anti-reflection coating having pseudo-inhomogeneous layers
05/1976
05/25/1976US3959171 Iron compound
05/25/1976US3959056 Lightweight reflective panels for solar-thermal power plants and methods of forming such panels
05/18/1976US3957616 Reflex reflector
05/18/1976US3957377 Method of and apparatus for sensing the position of a body
05/18/1976US3957375 Variable thickness double-refracting plate
05/18/1976US3957354 Diffractive subtractive color filtering technique
05/18/1976US3957350 Device for displaying a laser beam
05/18/1976US3957031 Light collectors in cylindrical geometry
05/18/1976US3957029 Greenhouse window for solar heat absorbing systems derived from Cd2 SnO4
05/11/1976US3956586 Method of optical scanning
05/11/1976US3955882 Optical elements
05/11/1976US3955880 Infrared radiation modulator
05/04/1976US3954324 Pavement marker having conical retro-reflectors
04/1976
04/27/1976US3953209 Method for preparing supplemental filter for lighthouse
04/27/1976US3953117 Single image plane two color photochromic display technique
04/20/1976US3951535 Low profile episcopic projector
04/20/1976US3951534 Short throw, oblique incidence, visual transparency projector
04/20/1976US3951520 Color imaging using the Christiansen effect
04/06/1976US3949259 Light-transmitting, thermal-radiation reflecting filter
04/06/1976US3949134 Solar control film for use by consumers and the like
03/1976
03/30/1976US3947103 Low profile episcopic projector and opaque materials therefor
03/30/1976US3947093 Optical device for producing a minute light beam
03/30/1976US3947092 Optical arrangement for illuminating an object with the light of a sharply limited spectral region of the radiation of a luminous source
03/30/1976US3947086 Device for tilting a field in an optical system
03/23/1976US3945714 Reflector for photoelectronic equipment
03/23/1976US3945713 Image rotating optical system
03/16/1976US3944733 Signal recognition apparatus
03/16/1976US3944326 Waveguide
03/16/1976US3944323 Variable spot size scanning system
03/16/1976US3944320 Cold-light mirror
03/09/1976US3943019 Optical filter
03/09/1976US3942880 Laser mirror
03/09/1976US3942873 Reflecting diffraction grating for minimizing anomalies
03/09/1976US3942871 Liquid crystalline optical filter
03/09/1976US3942870 Liquid crystalline optical filter
03/02/1976US3942048 Piezoelectrically driven optical grating assemblies
03/02/1976US3941459 Catoptric lens arrangement
03/02/1976US3941458 Catoptric lens arrangement
03/02/1976US3941451 Inline optical wedge stabilizer
03/02/1976US3941450 Device for recording a matrix of holographic lenses
03/02/1976US3940896 Solar radiation and glare screen and method of making same
02/1976
02/24/1976US3940788 Color television camera optical system
02/24/1976US3940304 Method of making composite light-polarizing element
02/24/1976US3940204 Optical display systems utilizing holographic lenses
02/24/1976US3940203 Image-forming apparatus
02/17/1976US3938877 Hyperfine filter for the resonance lines of caesium and rubidium
02/03/1976US3936579 Chromium, titanium and magnesium fluoride
02/03/1976US3936194 Method and device for assembling hollow retroreflectors
02/03/1976US3936159 Heat shrunk plastic film mirror
02/03/1976US3936149 Non-homogeneous objective lens having an aperture diaphragm
02/03/1976US3936136 Multilayer anti-reflection film for ultraviolet rays
01/1976
01/27/1976US3935444 Polarized light beam source in a vehicle headlight
01/27/1976US3935365 Anti-skid and wear-resisting road marking tape material
01/27/1976US3935359 Retroreflective sheeting and method and apparatus for producing same
01/27/1976US3934961 Three layer anti-reflection film
01/20/1976US3934065 Retroreflective sheet material
01/20/1976US3933454 Method of making optical waveguides
01/13/1976US3932029 Optical reflector for lasers
01/13/1976US3932027 Beam splitting prism assembly
01/06/1976US3931593 Laser beam control device
01/06/1976US3930722 Sanitary wig viewing device
01/06/1976US3930717 Variable light transmission device containing ferrous ammonium sulfate as an auxiliary redox system
01/06/1976US3930715 Optical plasma devices