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7245039 |
Apparatus and method for generating hydrogen gas through the use of wind power
This invention teaches an apparatus, method, means, and computer readable media to address the problem of the inconsistent, unreliable nature of wind, and in particular low-wind speeds, through...
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7177550 |
On-axis laser receiver wavelength demultiplexer with integral immersion lensed detectors
The present invention is directed to a laser communication receiver for wireless optical communication. A laser communication receiver includes a diffractive optical element to permit detectors at...
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7126730 |
Electro-holographic lens
An electro-holographic lens device comprising: an active layer made from a transparent photo-refractive material, whose refractive index may be locally modified by locally applying an electric...
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7072591 |
Processing of multiple wavelength signals transmitted through free space
The present invention is directed to a laser communication receiver for wireless optical communication. A laser communication receiver includes a diffractive optical element to permit detectors at...
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7058306 |
Asymmetrical laser communication transceiver configuration
The present invention is directed to a laser communication transmitter and receiver for wireless optical communication. The laser communication transmitter uses a small diameter so correspondingly...
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6867889 |
Transceiver for a wireless optical telecommunication system
A holographic optical element (HOE) device is mounted in wireless optical telecommunication system transceiver. The HOE device includes a developed emulsion material having an interference pattern...
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6678079 |
Transceiver for a wireless optical telecommunication system
A holographic optical element (HOE) device is mounted in wireless optical telecommunication system transceiver. The HOE device includes a developed emulsion material having an interference pattern...
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6608708 |
System and method for using a holographic optical element in a wireless telecommunication system receiver
A holographic optical element (HOE) device is mounted in a receiver unit, such as a wireless optical telecommunication system receiver. The HOE device includes a developed emulsion material having...
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6274860 |
Device for concentrating optical radiation
A holographic planar concentrator (HPC) for collecting and concentrating optical radiation is provided. The holographic planar concentrator comprises a planar highly transparent plate and at least...
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5973825 |
Production of hydrogen from solar radiation at high efficiency
An apparatus for separating solar radiation into a longer wavelength component and a shorter wavelength component includes a concentrator of solar radiation, the concentrator having a focal point F...
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5877874 |
Device for concentrating optical radiation
A holographic planar concentrator (HPC) for collecting and concentrating optical radiation is provided. The holographic planar concentrator comprises a planar highly transparent plate and at least...
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5658448 |
Production of hydrogen from solar radiation at high efficiency
Method and apparatus for producing hydrogen by conversion of solar energy into thermal and electrical energy for electrolysis of steam.
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5206499 |
Strapdown stellar sensor and holographic multiple field of view telescope therefor
A star tracker for generating positional information for a vehicle includes a holographic telescope (150) having one or more fields of view for imaging stellar objects. The telescope includes a...
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4947825 |
Solar concentrator - radiator assembly
A combined solar concentrator and radiator assembly (10) is provided in a relatively lightweight and compact geometry adapted particularly for use in electrical power generation systems in space....
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4788555 |
Combined solar and signal receptor device
A parabolic reflector for combined use as a solar concentrator and communications antenna having both a shared and joint use mode. In both the joint and shared use mode, the dish concentrates the...
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