Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 7064782 | Cameras A camera comprises a sensor such as a CCD or ICCD for receiving radiation representative of a scene, a filter such as an arrangement of parallel neutral density stripes, arranged to attenuate the radiation reaching the sensor, and decoding electronics such as comb f... | 06/20/2006 |
| 7009638 | Self-calibrating, digital, large format camera with single or multiple detector arrays and single or multiple optical systems Large format, digital camera systems (10, 100, 150, 250, 310) expose single detector arrays 20 with multiple lens systems (12, 14, 16, 18) or multiple detector arrays (104, 106, 108, 110, 112, 114, 116, 118, 120, 152, 162, 172, 182, 252, 262,... | 03/07/2006 |
| 7009652 | Image input apparatus An image input apparatus has a photoelectric converter element having a flat photosensitive surface and an image formation unit array having a plurality of image formation units arranged in an array. This image formation units individually receive light beams substa... | 03/07/2006 |
| 7009768 | Optical component and method of manufacturing same A multilayer film having two kinds of films of different refractive indexes alternately stacked on each other on a substrate composed of an optical element is formed in a plurality of parallel lines, and the adjacent lines of the multilayer film are connected to eac... | 03/07/2006 |
| 6980250 | Solid state imaging device for reducing camera size An artificial crystal double refraction plate is attached to the top of a package having a solid state imaging device chip. The artificial crystal double refraction plate protects an imaging surface and has an optical low-pass effect. An IR cut coating is applied on... | 12/27/2005 |
| 6965134 | Image pick-up unit including an image pick-up device and optical filter layers An image pick-up unit includes an image pick-up device; and a plurality of optical filters which are cemented together in layers and positioned in front of the image pick-up device. At least two optical filters among the plurality of optical filters, which have diff... | 11/15/2005 |
| 6619801 | Projection type image display apparatus realizing three-dimensional image A projection type image display apparatus includes a light source emitting light, a polarization device transmitting light polarized in one direction of incident light emitted from the light source, a reflection type image generating unit generating a col... | 09/16/2003 |
| 6568810 | Illumination optical system and projection display apparatus incorporating the same An illumination optical system comprises a first multi-lens array, a second multi-lens array, and a polarization conversion module. An optical modulation device of a projector is irradiated with light beams that are generated by passing incident light fro... | 05/27/2003 |
| 6137535 | Compact digital camera with segmented fields of view A compact digital camera is formed with a lenslet array comprised of a plurality of lenslets, each lenslet has a decentration corresponding to its radial position in the lenslet array so that the axial ray of each lenslet views a different segment of a to... | 10/24/2000 |
| 5995279 | Optical element, and taking optical system and image pickup apparatus using it An optical element comprises a lens made of a material for shutting off all or most of light in the infrared region, and an optical low-pass filter, wherein the lens and the optical low-pass filter are incorporated with each other.... | 11/30/1999 |
| 5592223 | Charge-coupled device having on-chip lens In a color CCD (charge-coupled device) imaging device where chromatic filter components are formed on sensor units functioning as pixels, respectively, and small condenser lenses are provided on the respective chromatic filter components, it is so constru... | 01/07/1997 |
| 5550663 | Method of manufacturing optical low-pass filter A mother layer made of a thermoplastic resin is formed on the substrate. The mother layer is etched to make a grating layer. The etching process is stopped so that an offset layer remains under the grating layer. The grating layer and the offset layer are... | 08/27/1996 |
| 5461418 | Color image pickup apparatus provided with a diffraction type low-pass filter In a color image pickup apparatus having an objective lens or a member for removably mounting the objective lens, an image pickup device for converting the image of an object formed by the objective lens into a color electrical signal, and an optical low-... | 10/24/1995 |
| 4998800 | Optical low pass filter An optical low pass filter for use in an imaging device including an objective lens and a solid state image sensor forming a plurality of picture elements thereon, which filter comprises a diffraction grating disposed between the objective lens and the so... | 03/12/1991 |
| 4795236 | Optical low pass filter utilizing a phase grating An optical low pass filter including a phase grating, wherein the grating is implanted inwardly from the surface of a substrate, the grating having a uniform repetitive period and having a refractive index different from that of the substrate.... | 01/03/1989 |
| 4743100 | Optical low pass filter An optical low pass filter used in a video camera having a solid state image sensing device and a color separating filter is disclosed, which includes a first double refraction plate being arranged to separate an incident light ray to an ordinary light ra... | 05/10/1988 |
| 4539584 | Television camera having an optical filter A television camera which carries out color separation by use of vertical correlation in a picture, comprises a pickup element for scanning a target, a color separating stripe filter, and an optical filter for separating a single incident light beam in a ... | 09/03/1985 |
| 4506949 | Diffractive color separation filter The use of a rhomboid-shaped phase grating to derive, from polychromatic input light, plus-one, minus-one and zero diffraction order output beams each of a different independent color.... | 03/26/1985 |
| 4477148 | Optical low-pass filter An optical low-pass filter is comprized of micro stripe prisms arranged on the surface of a transparent member. A transmissive medium which is of different refractive index from that of air is used to fill the grooves of the microprisms to permit the arra... | 10/16/1984 |
| 4472735 | Optical low-pass filter An optical low-pass filter is used in a television camera which has an optical system including an iris and a color stripe filter. The optical low-pass filter comprises a base plate, and a plurality of bi-prisms respectively formed on at least one surface... | 09/18/1984 |
| 4445136 | Television camera having an optical lowpass filter A television camera has an optical system including an iris, a master lens, and a color stripe filter. The television camera further comprises an optical lowpass filter provided within an effective light path of an afocal system which reaches the master l... | 04/24/1984 |
| 4178611 | Optical low pass filter An optical low pass filter adapted for use in a single or double tube color television camera provided with an optical system including a color encoding filter for obtaining color or chrominance signals having the spatial frequency in a particular band. T... | 12/11/1979 |
| 4101929 | Color encoding video system with optical low pass filter A color encoding video system such as a single or double tube color television camera has an optical grating low pass filter positioned in a plane substantially adjacent the focal plane of the image pickup tube. A separate and interchangeable image formin... | 07/18/1978 |
| 4100570 | Optical image pickup system An optical image pickup system for reducing spurious color signals generated in an image pickup system including a stripe-shaped color separation or color encoding filter, wherein a double refraction plate and a diffraction grating spatial frequency filte... | 07/11/1978 |
| 4093346 | Optical low pass filter An optical low-pass filter in the form of a rectangular wave phase grating including at least two sets of parallel phase retardation laminae, the laminae in each set being at an angle to the laminae of the other set. The optical filter is disposed in an o... | 06/06/1978 |
| 4079411 | Diffractive phase filter having near field wavelength dependent focusing properties A phase grating structure is defined in which a series of predetermined sawtooth phase delay steps has the property of focusing respective wavelength components of a spectrum of incident wave energy in accordance with their wavelength at different spots i... | 03/14/1978 |
| 4068260 | Combination optical low pass filter capable of phase and amplitude modulation A combination optical low pass filter adapted for use in a single or double tube color television camera is provided with a phase retarding pattern on a transparent substrate. The pattern includes optical elements having a transmissivity which varies with... | 01/10/1978 |
| 4009939 | Double layered optical low pass filter permitting improved image resolution A double layered optical low pass filter is provided for use in a color video system for monitoring an object scene. The optical filter is designed to optically complement a dichroic stripe filter to prevent the introduction of spurious signals by any int... | 03/01/1977 |
| 3969764 | Color television camera A color television camera comprises a camera tube for producing chrominance signals and a color-resolving striped filter disposed in front of the camera tube. A circuit derives first, second, and third primary color signals responsive to a direct wave sig... | 07/13/1976 |
| 3940788 | Color television camera optical system An optical system in a single or double tube color television camera for minimizing color shading, moire patterns and color beats includes along the image optical axis a phase grating low pass filter, a color encoding filter and a lenticular lens member o... | 02/24/1976 |
