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Class Information
Number: 348/195
Name: Television > Mechanical optical scanning
Description: Subject matter wherein a mechanical moving device is used for scanning an object or a scene (i.e., partitioning it into elemental imaging areas to generate image representative electrical signals) or scanning imaging areas by a modulated light beam to reproduce the object or scene visible image.

Sub-classes under this class:

Class Number Class Name Patents
348/198 By acoustic wave 49
348/196 Color tv 28
348/199 Moving aperture 13
348/202 Moving lens or refractor 30
348/203 Moving reflector 133
348/197 With fiber optics 37

Patents under this class:
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Patent Number Title Of Patent Date Issued
8579443 Scanned beam display having a redirected exit cone using a diffraction grating Nov. 12, 2013
8567957 Active polarization switch for speckle reduction in laser projection sources Oct. 29, 2013
8506087 Laser projector having safety lens for audience scanning Aug. 13, 2013
8459799 Optical scanning projector with raster scanning unit and vector scanning unit Jun. 11, 2013
8269836 Image capture, alignment, and registration Sep. 18, 2012
8265335 Image processing apparatus and scanner apparatus Sep. 11, 2012
8218014 Electromagnetic scanner having variable coil width Jul. 10, 2012
7986340 Arrangement for and method of projecting a color image by switching scan directions in alternate frames Jul. 26, 2011
7864211 Apparatus, system and method for increasing quality of digital image capture Jan. 4, 2011
7859567 Arrangement for and method of projecting a color image by switching scan directions in alternate frames Dec. 28, 2010
7646371 Driver circuit, electro-optical device, and electronic instrument Jan. 12, 2010
7572015 Displaying optical system and image projection apparatus Aug. 11, 2009
7497578 Monitoring scan mirror motion in electro-optical readers and image projectors Mar. 3, 2009
7456842 Color edge based system and method for determination of 3D surface topology Nov. 25, 2008
7443508 Spectrophotometric scanner Oct. 28, 2008
7018055 Image projecting device and image projecting method Mar. 28, 2006
6271879 Controlling and detecting alignment of composite video color frames Aug. 7, 2001
6233014 Line sensor camera without distortion in photo image May. 15, 2001
6091461 Electronically self-aligning high resolution projection display with rotating mirrors and piezoelectric transducers Jul. 18, 2000
5502490 Display unit having a light-to-light conversion element Mar. 26, 1996
5497960 Device for aircraft and aircraft provided with such a device Mar. 12, 1996
5463468 Display unit having a light-to-light conversion element Oct. 31, 1995
5444479 Single camera autostereoscopic imaging apparatus Aug. 22, 1995
5436655 Endoscope apparatus for three dimensional measurement for scanning spot light to execute three dimensional measurement Jul. 25, 1995
5410353 Camera device for identifying markings on an electrical cable Apr. 25, 1995
5391867 Wide format scanner having a linear scanning element with a selectable orientation Feb. 21, 1995
5299042 Light-to-light conversion method, display unit using the same, and light-to-light conversion element incorporated therein Mar. 29, 1994
5175420 Bar code scanner having a light source/photodetector movable in a raster pattern Dec. 29, 1992
5035475 Unique modulation television Jul. 30, 1991
4972258 Scanning laser microscope system and methods of use Nov. 20, 1990
4816923 Two dimensional light beam scanner used in radiation image information readout Mar. 28, 1989
4767937 Scanning system with low scan rate and high effective frame rate Aug. 30, 1988
4755880 Camera for opto-electronically scanning any desired scene Jul. 5, 1988
4747689 Optical measurement apparatus May. 31, 1988
4740079 Method of and apparatus for detecting foreign substances Apr. 26, 1988
4706129 Image scanning apparatus Nov. 10, 1987
4574197 Dual field of view sensor Mar. 4, 1986
4562349 Method and apparatus for scanning the surface of an object Dec. 31, 1985
4543603 Reconnaissance system comprising an air-borne vehicle rotating about its longitudinal axis Sep. 24, 1985
4538181 Optical scanner Aug. 27, 1985
4390903 Imaging system and method with mid-tone enhancement Jun. 28, 1983
4383278 Light beam modulating/deflecting system May. 10, 1983
4300159 Scanner Nov. 10, 1981
4274703 High-efficiency symmetrical scanning optics Jun. 23, 1981
4264929 Method and apparatus for scanning and for electronic processing of thermal pictures Apr. 28, 1981
4253724 Recording optical system Mar. 3, 1981
4230393 Two-axis optical scanner Oct. 28, 1980
4152724 Missile guidance systems May. 1, 1979
4130339 Scanning optical system including optical system for detecting an information beam Dec. 19, 1978
4084881 Light beam scanning device Apr. 18, 1978

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