In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 5130925 | Apparatus and method for economical continuous, and predictable greenhouse crop production A computer program simulates the growth pattern of plants grown in a controlled environment such as a greenhouse. The program produces planting and harvesting schedules, a schedule of predicted yields, and a schedule of greenhouse space utilization, which... | 07/14/1992 |
| 4918608 | Method for automatic depth control for earth moving and grading A method and apparatus for automatically controlling the depth of earth grading for utilization with a grader or paver is disclosed. The method includes determination of time taken for an acoustic pulse to travel from a transducer to a reference surface a... | 04/17/1990 |
| 4918739 | Process and system for digital analysis of images applied to stratigraphic data A system and a process are disclosed for the quantitative characterization of organic matter concentrates and of petrographic thin sections or polished fragments of rocks found in oil reservoir samples. The system includes a video camera for capturing ima... | 04/17/1990 |
| 4884030 | Method and system for acquisition and separation of the effects of electromagnetic fields to predict earthquakes The present invention relates to a system for acquisition and separation of the effects of simultaneous sources of electromagnetic field. According to the invention the system comprises an array of n pick-ups (1a . . . 1e) connected to registration means ... | 11/28/1989 |
| 4882763 | Method of making a rock-pore micromodel involving generation of an accurate and reliable template image of an actual reservoir rock pore system A method of making a glass micromodel of a pore system found in petroleum reservoir rock wherein a computer-generated two-dimensional binary image of the actual rock pore system taken in thin section is used to produce a template for etched reproduction o... | 11/21/1989 |
| 4678911 | Method of collecting and processing spectral data for the earth's surface A method of collecting and processing spectral data obtained from the earth's surface is employed to identify areas where hydrocarbon seepage to the surface is occurring. Intensity or brightness is detected from bands 4 and 5 of light reflected from a plu... | 07/07/1987 |
| 4626992 | Water quality early warning system A water quality monitoring system for detecting sublethal degradations in environmental quality. The system continuously or periodically monitors the movements of a plurality of living organisms which are exposed to water from one or more selected sources... | 12/02/1986 |
| 4613821 | Method and apparatus for obtaining high accuracy simultaneous calibration of signal measuring systems Method and apparatus for high accuracy simultaneous calibration of electrical measuring systems wherein a calibration signal which has frequency spectra which interleave but do not interfere with the data spectra is injected into the electrical system dur... | 09/23/1986 |
| 4581599 | Nuclear radiation apparatus and methods for surveying physical characteristics and properties An area is surveyed for variation in a physical characteristic or property which is effective for modifying nuclear radiation of a predetermined type through the use of an apparatus and in accordance with a method in which the modifying characteristic is ... | 04/08/1986 |
| 4573354 | Apparatus and method for geochemical prospecting An apparatus and method for detecting and mapping volatile species emanating from an underground source. A mass spectrometer is used for species identification and multivariate statistics are employed to determine the character of the source. The characte... | 03/04/1986 |
| 4560279 | Optical method for remote determination of the geological nature of a homogeneous surface An optical method for identifying an immobile target having a homogeneous surface is disclosed. Light reflected from the surface of the target is electro-optically detected. The Stokes parameters of the detected light are measured in four preselected, adj... | 12/24/1985 |
| 4381544 | Process and apparatus for geotechnic exploration A process for geotechnic exploration comprising the steps of: (a) Emitting one or more brief electromagnetic pulses or waves from an airborne platform at regular intervals based on the airspeed of the platform and the area being surveyed; (b) The wavelengths, ... | 04/26/1983 |
| 4312218 | Porometer and method for stomatal measurements To measure stomatal resistance of a leaf, signals are obtained from: (1) a small thermocouple positioned adjacent to the leaf in a cuvette to measure temperature of the leaf without conducting excessive heat; (2) a thermistor in the cuvette chamber; and (... | 01/26/1982 |
| 4262427 | Flux valve compass system An improved earth's magnetic field sensing compass utilizes a flat, toroidal flux valve in which pickoffs sense mutually perpendicular components of the magnetic field and the fields are nulled by the closed loop feed back of nulling currents into respect... | 04/21/1981 |
| 4215410 | Solar tracker An open loop servo controller for controlling motors which drive a solar energy utilizing device about its azimuth and altitude axis to track the sun. The controller has a central processor and elements for inputting data corresponding with the present da... | 07/29/1980 |
| 4202034 | Adaptive controller for ocean characteristic measurement system A system for measuring ocean characteristics. The system includes a sensor assembly and an associated means to control the system buoyancy to achieve cyclic ascent and descent at controlled speeds, either along a mooring line or free-drifting. Buoyancy co... | 05/06/1980 |
| 4123160 | Method and apparatus for remotely measuring sub-surface water temperatures The sub-surface temperature of a body of water, such as an ocean, is measured remotely by directing a laser beam into a body of water and analyzing the Raman backscatter produced by the water. The Raman backscatter contains information which, when process... | 10/31/1978 |
| 4100482 | Method and apparatus for measuring ellipse parameters of electromagnetic polarization in geophysical exploration A method and apparatus for measuring ellipse parameters of polarization of an electromagnetic field are disclosed. When a geophysical anomaly exists which, in the presence of a primary alternating electromagnetic field will produce a secondary field, the ... | 07/11/1978 |
| 4093918 | Means for determining the refractive index profile of the atmosphere In a method for inferring the refractive index profile of the lower atmosphere a signal pattern comprising interference nulls is observed by receiving a signal from a satellite transmitter over a period of time. Hypothetical signal patterns are successive... | 06/06/1978 |
| 4060718 | Geodetic survey method The present method involves the detection of variations of the direction of gravity from the mathematical model of the earth, which may be caused by the presence of a discontinuity in the earth's surface, with relatively heavy materials in the earth's cru... | 11/29/1977 |
| 4015366 | Highly automated agricultural production system The present invention provides a highly automated agricultural production system which comprises, as essential components: 1. A sensing subsystem comprising direct and indirect sensing means in an agricultural production area. The direct sensing means are gene... | 04/05/1977 |
| 3978324 | Automatic crop inventory system In an automatic inventory system for crops, especially tree-borne crops, an airborne television camera views the area being surveyed and delivers an analogue video signal which is converted into a series binary digital signal by a level detector. The seri... | 08/31/1976 |