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Class 359/315 - Electro-optic


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein directional modulation is achieved
No. of patents: 177
Last issue date: 06/21/2011


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NumberTitleIssue Date
4655554Spatial light modulator having a capacitively coupled photoconductor
A spatial light modulator in which the photoreceptor is a capacitively coupled semiconductor in the form of a silicon-silicon dioxide-transparent electrode structure....
04/07/1987
4639073Electro-optic pulse imaging raster output scanner
A raster output scanner having a recording member, a laser, a total internal reflection type modulator having an array of independently addressable electrodes, optical means cooperable with the laser to provide a sheetlike beam of high intensity radiation...
01/27/1987
4636799Poled domain beam scanner
A scanner (13) of ferroelectric material (17) for redirecting a beam (22) of millimeter wavelength radiation. The scanner (13) includes parallel input and output sides with matching layers (44). Adjacent and opposite parallel wire grid electrodes (31') ar...
01/13/1987
4635082Thermo-optic light modulation array
A thermo-optic light modulation array is disclosed for use in an imaging system of an electrophotographic printer to produce electrostatic latent images. The array comprises a light transmitting medium arranged in contact with an array of pixel shaped hea...
01/06/1987
4557563Two dimensional electro-optic modulator for optical processing
A two dimensional electro-optic modulator comprises an electro-optic element and a two dimensional planar array of individually addressable electrodes for spatially modulating a light beam along a plurality of transverse axes or for imparting a geometric ...
12/10/1985
4493085Agile beam laser
A laser system for providing a rapidly steerable laser output beam. The laser system includes a phase conjugate reflector, laser gain medium and its associated pump source, an output coupling device, and an optical element which selectably controls the tr...
01/08/1985
4439016Optical beam deflection system
The invention comprises a system for deflecting an optical beam in response to an electrical signal. A collimated optical beam is generated utilizing any convenient means. The collimated light beam is injected into an optical wave guide positioned between...
03/27/1984
4422732Beam addressed electrooptic display system
A display system utilizing a cross-sectionally shaped beam and electric signal to create a desired form by changing the optical characteristics of an electrooptic material. The beam is used to either raise the temperature of a blocking layer adjacent to t...
12/27/1983
4386827Electrooptical scanning device
An electrooptical scanning device for deflection of an optical beam of light across an image plane. The device comprises a body of electrooptical crystal material and a periodic array of parallel, spaced electrodes associated with one surface of the body....
06/07/1983
4380373Conformable proximity coupled electro-optic devices
The electrodes of a electro-optic device having a flexible electrode bearing member, such as a silicon integrated circuit, are re-contoured as required to generally conform to the mating surface of the electro-optic element by resiliently biasing the elec...
04/19/1983
4376568Thick film line modulator
A thick film line modulator/scanner (50) for use in an electro-optic line printer (14). A light valve utilizes a thin electro-optic layer (212) with the index of refraction of the layer being higher than the neighboring material so that the light can be g...
03/15/1983
4343536Electro-optic light deflector
An electro-optic material has at least a pair of confronting elongated electrodes formed on at least one surface thereof. Preferably, each of the electrodes has a plurality of elongated, spaced parallel fingers which interleave with each other (sometimes ...
08/10/1982
4313651Optical beam scanner
The optical beam scanner employs novel utilization of the well known Stark effect. By means of an external applied voltage, a change in the index of refraction of an optical medium is produced. This produces a bending effect on light transmitted through t...
02/02/1982
4243300Large aperture phased element modulator/antenna
An electro-optical modulator/antenna operates in the tunable diffraction ting mode to vary the magnitude of the zero diffraction order and consequently transmits optical information. A relatively thin slab of lithium niobate or equivalent electro-optic m...
01/06/1981
4054367Process and apparatus for high resolution non-mechanical deflection of light beams
A process and apparatus for non-mechanically deflecting of a light beam with high resolution characterized by passing a linearly polarized beam through at least one electro-optical deflector and preferably two to obtain four possible beam directions, pass...
10/18/1977
3991383Franz-Keldysh effect tuned laser
A tunable laser having a laser material capable of being tuned such as an ganic dye, tuning means including an intra-cavity semiconductor element to which an electric field can be applied, and an angle sensitive filter or reflector such as a diffraction g...
11/09/1976
3970364Depletion layer laser beam modulator and deflector
Method and apparatus for deflecting and modulating a beam of coherent radiation wherein an electric potential is applied across the electrodes of an MOS semiconductor device to vary the thickness and hence conductivity of the depletion layer therein. Inci...
07/20/1976
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