Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
02/1984
02/28/1984US4434191 Integral anti-reflective surfaces of silicate glasses
02/21/1984US4432380 Apparatus for removing optical component blanks from a blocking tool
02/15/1984EP0100379A1 Plastic lens
02/14/1984US4431299 Projection apparatus
02/14/1984US4431262 Conformable optical couplers
01/1984
01/31/1984US4428647 Multi-beam optical system using lens array
01/24/1984US4428031 Illumination device
01/18/1984EP0098382A2 Uniformly intense imaging by close-packed lens array
01/17/1984US4426139 Progressive addition lens
01/17/1984US4426132 Projecting device
01/10/1984US4425501 Light aperture for a lenslet-photodetector array
01/10/1984CA1160088A1 Point focus radiation concentrator
01/04/1984EP0097250A2 Light source
12/1983
12/27/1983US4423438 Projection type cathode ray tube with masking means
12/27/1983US4422733 Cladded spherical lens having uneven refractive index
12/27/1983CA1159289A1 Reflection rejection spherical optical train composed of tipped lens elements having cylindrical components
12/13/1983US4420221 Passive animated, or pattern changing sign
12/06/1983US4419574 Focus detecting device with varying pitch cylindrical lens element
12/06/1983US4418990 Eyeglasses and other lenses of variable focal length and means and method for varying such focal length
11/1983
11/30/1983EP0095414A2 Fresnel lens and its applications, particularly for a solar energy captivating apparatus
11/29/1983US4417784 Multiple image encoding using surface relief structures as authenticating device for sheet-material authenticated item
11/23/1983EP0094810A2 Process for producing glass product having gradient of refractive index
11/16/1983EP0094204A1 Sunbeam concentrating and collecting apparatus
11/15/1983US4415414 N-type semiconductors; electrolysis using a hydrogen fluoride electrolyte; ligh radiation
11/15/1983US4415239 Reflection rejection spherical optical train composed of tipped lens elements
11/15/1983US4415238 Single lens having one spherical and one aspherical refractive surface
11/09/1983EP0093699A2 A negative lens provided with an annular perimetrical surface having a modified vergency and process to carry out same
11/08/1983US4414470 Pupil divisional focusing position detection apparatus using lenticula lens
11/08/1983US4414316 Composite lenticular screen sheet
11/08/1983US4413704 Ellipticized acoustical liquid filled lens providing balanced astigmatism
10/1983
10/26/1983EP0092332A2 Lens
10/25/1983US4411493 Seasonal control skylight glazing panel with passive solar energy switching
10/18/1983US4410241 Device for processing optical information and method of manufacturing a coma correction plate used in such a device
10/04/1983US4407567 Objective having a variable focal length
09/1983
09/29/1983WO1983003227A1 Lenticular signalling device
09/28/1983EP0089694A2 Chromatic aberration corrected gradient index lens system
09/20/1983US4405207 Method of assembling a gradient index lens array having reduction properties
09/13/1983CA1153596A1 Lens array
09/13/1983CA1153516A1 Gasket for casting lenses
09/07/1983EP0087753A1 Rear projection screen
09/07/1983EP0087586A1 Lens-on-disc type optical scanning apparatus
09/06/1983US4403031 Method for providing optical patterns in glass
09/06/1983US4402574 Method and apparatus for refracting a laser beam
09/06/1983US4402572 Projection device
09/06/1983CA1153228A1 Progressive power ophthalmic lenses
08/1983
08/23/1983CA1152369A1 Multi-focal spectacle lens with a dioptric power varying progressively between different zones of vision
08/23/1983CA1152368A1 Spectacle lens having astigmatic power
08/16/1983US4398810 Fresnel lens system
08/10/1983EP0085473A1 Graded-index lens
07/1983
07/13/1983EP0083431A1 Reflection light barrier with an extended detection range
07/05/1983US4391621 Method of making lenses having a spherical face
07/05/1983US4391495 Image display system
07/05/1983CA1149208A1 Progressive multi-focal lenses
06/1983
06/14/1983CA1147999A1 Gas zoom lens
06/01/1983EP0079958A1 High resolution optical-addressing apparatus.
05/1983
05/31/1983US4385808 Point focus refracting radiation concentrator
05/26/1983WO1983001840A1 Progressive addition lens
03/1983
03/22/1983US4377753 High resolution optical-addressing device and electronic scanner and/or printer apparatus employing such device
01/1983
01/25/1983CA1139952A1 Process for the manufacture of a composite ophtalmic lens, and lens derived from said process
01/18/1983US4369202 Glass with a protective coating
01/18/1983US4368975 Projection device
01/05/1983EP0068707A1 Method for providing optical patterns in glass
01/05/1983EP0068107A1 Method and device for separating optical workpieces from their supports
01/04/1983US4367016 Flat field lens with image splitting effect
12/1982
12/22/1982EP0067696A1 Gradient index lens array
12/14/1982CA1137372A1 Solar energy system with composite concentrating lenses
12/09/1982WO1982004352A1 High resolution optical-addressing apparatus
12/08/1982EP0066112A2 Stationary optical longitudinal refractor
11/1982
11/10/1982EP0064247A1 Apparatus for producing moulded articles with non spherical surfaces
11/02/1982US4356883 Ellipticized rubber acoustical lens providing balanced astigmatism
10/1982
10/19/1982CA1133769A1 Method of producing microlenses and a coupling element having a microlens produced in accordance with this method
09/1982
09/21/1982US4350431 Projecting device
09/14/1982US4349248 Gradient index lens array with improved exposure uniformity
09/08/1982EP0059193A1 An optical system for projection.
08/1982
08/24/1982US4345833 Lens array
08/17/1982US4344676 Single element spherical surfaced optics insensitive to wavelength and temperature
07/1982
07/20/1982CA1127893A2 Lens system for microfiche duplicator
07/14/1982EP0055860A1 An illumination device
07/07/1982EP0055554A1 Method of fabricating a Fresnel zone plate
07/06/1982US4338352 Process for producing guided wave lens on optical fibers
06/1982
06/29/1982US4336978 Method for optically making a diffusion plate
06/22/1982CA1126067A2 Optical air lens system
06/16/1982EP0053840A1 Solar energy concentrator
05/1982
05/25/1982US4331388 Gas zoom lens
05/25/1982US4331380 Gradient index lens array having reduction properties
05/19/1982EP0051932A1 Point focus radiation concentrator
05/18/1982US4330202 Range detecting device
05/11/1982US4329021 Passive solar lighting system
04/1982
04/28/1982EP0050545A1 Integrated Fresnel lens and method for its manufacture
04/28/1982EP0050237A1 Plate for covering a concentrating solar collector
03/1982
03/24/1982EP0048205A1 Transparent, focussing, hybrid optical system
03/17/1982EP0047632A1 Thermoset relief patterned sheet
03/16/1982US4319945 Bonding thermoplastic foil to glass substrate
03/10/1982EP0047029A1 Device for processing optical information and method of manufacturing an axial coma correction plate as used in such a device
03/02/1982CA1119035A1 Camera range determination system
02/1982
02/23/1982US4316665 Projection device
02/18/1982WO1982000529A1 An optical system for projection
02/16/1982US4315673 Progressive power ophthalmic lens
02/16/1982US4315671 Lenticulated lens
01/1982
01/26/1982US4312573 Ellipticized infrared lens providing balanced astigmatism