Class 356/53 - Photoelectric

Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter which includes a photosensitive detector
No. of patents: 40
Last issue date: 01/31/2012

Number	Title	Issue Date
8107060	Methods and apparatus for candling eggs via embryo heartbeat detection An apparatus for candling eggs includes a waterproof housing having a free end, a light source configured to emit visible light from the housing free end and illuminate an egg positioned adjacent to the housing free end, and a photodetector that generates an output ...	01/31/2012
8098370	Methods and apparatus for maintaining effective operation of apparatus for candling avian eggs Egg candling methods and apparatus are provided wherein the optical path between a light source and light detector is monitored for obscuring debris and/or malfunctions. A method of candling eggs includes illuminating an egg with light from a light source; receiving...	01/17/2012
7796241	Egg micro-crack detection systems An avian eggshell egg-check/crack detection system was developed to aide official egg graders. It includes an imaging system and a device to produce negative pressure in an egg chamber. ...	09/14/2010
7573566	Methods and apparatus for maintaining effective operation of apparatus for candling avian eggs Egg candling methods and apparatus are provided wherein the optical path between a light source and light detector is monitored for obscuring debris and/or malfunctions. A method of candling eggs includes illuminating an egg with light from a light source; receiving...	08/11/2009
7545487	Inspection of eggs in the presence of blood The invention relates to a device for inspecting eggs for the presence of blood. The device comprises a light source in order to pass light at a first wavelength which is not selectively absorbed by blood and light at a second wavelength which is selectively absorbe...	06/09/2009
7363817	System and technique for detecting the presence of foreign material Systems and techniques for detecting the presence of foreign material in food utilizing optical backlighting and/or ultrasonic inspection are presented. In optical backlighting, a substantially monochromatic light source optically backlights a food stream with sourc...	04/29/2008
7354401	Ultrasound sex determination for sorting of avian hatchlings A method for making a sex determination in avian hatchlings involves the following activities. A process line is equipped to process an endless plurality of hatchlings. The process line has an ultrasound inspection station for the hatchlings. The ultrasound inspecti...	04/08/2008
7336348	Apparatus and method for determining the viability of eggs An apparatus (10) for determining the viability of an egg, which apparatus (10) comprises shielding means (12, 14), emitting means (30) and detecting means (32), the arrangement being such that, in use, the shielding means (12, ...	02/26/2008
7333187	Methods and apparatus for identifying and diagnosing live eggs using heart rate and embryo motion Identifying live eggs includes: a) illuminating eggs with light; b) receiving light passing through each egg at a light detector; c) generating an output signal that corresponds to light received at a light detector for each respective egg; d) analyzing the output s...	02/19/2008
7218775	Method and apparatus for identifying and quantifying characteristics of seeds and other small objects The invention provides a method for identifying or quantifying characteristics of interest of unknown objects, comprising training a single neural network model with training sets of known objects having known values for the characteristics; validating the optimal n...	05/15/2007
7083208	Vacuum assisted egg lifting apparatus having venturi assembly Egg lifting apparatus are provided that include a vacuum housing having first and second passageways, a venturi assembly in fluid communication with the first and second passageways, and a flexible cup secured to the vacuum housing, wherein the flexible cup has an i...	08/01/2006
7041439	Methods and apparatus for selectively processing eggs having identified characteristics Methods and apparatus for processing eggs based upon a characteristic such as gender are provided. Material is extracted from each of a plurality of live eggs, the extracted material is assayed to identify eggs having the characteristic, and then eggs identified as ...	05/09/2006
7034926	Methods and apparatus for harvesting vaccine from eggs Methods and apparatus for producing vaccine within a plurality of eggs are provided. Each of a plurality of eggs is illuminated with light from one or more LEDs. A detector is positioned adjacent each egg and detects light passing therethrough. Each egg is then iden...	04/25/2006
7030403	Sample collection and bioluminescent sample testing system Methods and apparatus for evaluating the quality of a sample of a product, an ingredient, an environment or process by measuring multiple parameters thereof, including light emitted from a reacting sample containing ATP, ADP, alkaline phosphatase or other parameters...	04/18/2006
7019821	Method and apparatus for detecting blood in shell eggs An egg inspecting apparatus (1) of the present invention includes an optical path switching and projecting assembly (30) for automatically selecting one of a plurality of optical paths through which a white source light (11) emitted from a light...	03/28/2006
6992771	Systems and techniques for detecting the presence of foreign material Systems and techniques for detecting the presence of foreign material in food utilizing optical backlighting and/or ultrasonic inspection are presented. In optical backlighting, a substantially monochromatic light source optically backlights a food stream with sourc...	01/31/2006
6924498	Sample collection and testing system Methods and apparatus for evaluating the quality of a sample of a product, an ingredient, an environment or a process by measuring multiple parameters thereof, including light emitted from a reacting sample containing ATP, ADP, alkaline phosphatase or other paramete...	08/02/2005
6894179	Metallocene compositions This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene compositions are generally those of the bridged bis(2-R3-4-phenylinde...	05/17/2005
6850316	Methods and apparatus for harvesting vaccine from eggs Methods and apparatus for producing vaccine within a plurality of eggs are provided. Each of a plurality of eggs is illuminated with light from one or more LEDs. A detector is positioned adjacent each egg and detects light passing therethrough. Each egg is then iden...	02/01/2005
6750954	Systems and methods for rapidly and accurately indentifying live eggs within a stream of eggs Systems and methods for rapidly identifying live eggs within a stream of eggs with high accuracy, are provided. A stream of eggs are candled via a candling apparatus and each candled egg is designated as being either live, non-live, or “uncertain”. Eggs designat...	06/15/2004
6535277	Methods and apparatus for non-invasively identifying conditions of eggs via multi-wavelength spectral comparison Methods and apparatus that can non-invasively identify the present condition of eggs, namely, whether an egg is a live egg, a clear egg, an early dead egg, a middle dead egg, a late dead egg, a rotted egg, a cracked egg, and/or an inverted egg, are provid...	03/18/2003
6504603	Method and device for detecting undesired matter in eggs Described is a method for determining whether a brown egg contains undesired matter such as blood. In two wavelength ranges the transmission of the egg is examined, one of those wavelength ranges corresponding to an absorption peak of blood. The transmiss...	01/07/2003
6373560	Apparatus for candling eggs An apparatus for candling eggs includes a transmission system of a luminous flux directed towards the egg to be examined and located in its incubation rack a reception device of the luminous flux transmitted after passing through the mass of the egg, and ...	04/16/2002
5900929	Method and apparatus for selectively injecting poultry eggs A method for distinguishing live from dead poultry eggs comprises: (a) providing a light source (preferably an infrared light source) and a light detector in opposite facing relation to one another; (b) passing an egg between the light source and light de...	05/04/1999
5898488	Method and apparatus for candling eggs and filling trays with fertile eggs The apparatus of the present invention provides a means for candling eggs and providing trays of eggs filled with candled eggs and includes a provision wherein infertile eggs are removed from trays of fertile eggs and are replaced with fertile eggs in ord...	04/27/1999
5745228	Method and apparatus for distinguishing live from infertile poultry eggs A method for distinguishing live from dead poultry eggs comprises: (a) providing a light source (preferably an infrared light source) and a light detector in opposite facing relation to one another; (b) passing an egg between the light source and light de...	04/28/1998
5646722	Apparatus for candling eggs for the presence of blood An apparatus for candling eggs travelling along a path for the presence of blood, comprising a lightproof drum which is drivable for rotation around a fixed shaft and wherein detection means are accommodated, the drum having a number of light transmission...	07/08/1997
5615777	Egg candling system A light beam such a laser beam is used to scan the surface of an egg for flaws such as pin holes, cracks, thinned shell regions, etc. The light beam is vibrated with a rocking/rotating movement to describe a closed curve such as a circle, ellipse or an el...	04/01/1997
5504572	Electronic imaging apparatus for determining the presence of structure within opaque objects and methods of making the same An electronic imaging apparatus is provided which has means for detecting the presence of internal structure in an opaque or translucent object. The apparatus has a light source directing a beam of light towards the object from one side and a light receiv...	04/02/1996
5321491	Method and apparatus for grading shell eggs In the grading of shell eggs passing in a stream through a candling bed, images of the eggs are compared with image data characteristic of eggs of known grade so as to assign a grade to each egg in the stream. Positional information representative of the ...	06/14/1994
5173737	Measurement of avian embryo movement in intact eggs The present invention provides measurement of avian embryo movement in intact eggs by: directing light into and through at least one intact avian egg, with light of sufficient intensity and duration to stimulate embryo movement, whereby portions of the li...	12/22/1992
5030001	Method and apparatus for testing and further processing eggs The invention relates to a method for testing and further processing eggs. According to the invention the eggs upon being supplied are first tested automatically for such major damage as open breaks and/or such dirt as blood stains. Further, each egg is s...	07/09/1991
5017003	Automatic sorting ovoscope The automatic sorter ovoscope of the invention is characterized in that it comprises a light box (6) arranged under a candling head (1) which is provided with at least one suction cup (9) intended to take by suction eggs, one by one, and which is provided...	05/21/1991
4978225	Detection of anomalies in translucent material by candling A candling method for detecting anomalies in translucent material (10) e.g. parasites in fish fillets, comprises directing an illumination beam (Io) of light through the material. It has been discovered that improved results in terms of more reliable dete...	12/18/1990
4671652	Machine for candling articles such as hatching-eggs A machine for candling articles, such as hatching-eggs, fed on a so-called hatching frame on which the eggs are disposed in juxtaposed rows, which machine comprises a plurality of light measuring systems each including a light source and a sensor. The lig...	06/09/1987
4182571	Egg inspecting apparatus An egg inspecting apparatus utilizes the light reception signals of 575 mμ, 590 mμ, and 620 mμ obtained from the light beams passed through an egg to be inspected, in such a manner the light reception signal of 575 mμ is calibrated by basing on the li...	01/08/1980
4063822	System for detecting a first light transmissive substance, such as for instance blood, in a second light transmissive, different substance A detection system for automatically detecting a first light transmissive substance in a second and different light transmissive substance. An optical system is arranged for alternately producing light beam flashes of light having a first wavelength and l...	12/20/1977
4039259	Egg inspecting apparatus An egg inspecting apparatus operating to apply different lights necessary for detecting blood-containing eggs, addled or turbid eggs and eggs affected with bacteria to an egg to be inspected, to subject lights from the egg to photo-electric conversion to ...	08/02/1977

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Class 356/53 - Photoelectric