Patent application number | Description | Published |
20090073053 | OPTICALLY DRIVEN ANTENNA - There is provided an optically driven, transmitting and receiving antenna transformable into an electrically invisible antenna when inactive, including a light source, a semiconductor wafer illuminatable by the light source and a microwave source or sensor. The wafer has a surface for forming optically induced plasma or electron hole concentration, assuming a spatial and temporal pattern defined by a light beam impinging thereon. Upon the wafer being exposed to the light beam having a power level sufficient for creating a dense plasma or electron hole concentration in the wafer, the wafer becomes reflective to microwaves, and returns to transparency when light from the light source is turned off. | 03-19-2009 |
20100061680 | RESETTABLE OPTICAL FUSE - A resettable optical energy switching device comprises a waveguide forming an optical path between an input end and an output end, and an optical energy diverting material located in said optical path for diverting optical energy propagation away from said output end when said optical energy exceeds a predetermined threshold. The optical energy diverting material does not divert optical energy propagation away from the output end when the optical energy propagation drops below the predetermined threshold, and thus propagation of optical energy to the output end is automatically resumed when the optical energy drops below the predetermined threshold. In one implementation, the optical energy diverting material comprises a light-absorbing material having an index of refraction that decreases as light is absorbed by the material. | 03-11-2010 |
20100166368 | GRATING LIKE OPTICAL LIMITER - A reversible optical energy limiting device comprises a waveguide forming an optical path between an input end and an output end, and an optical energy responsive material located in the optical path for reflecting at least a portion of optical energy received from the input end back toward the input end when the optical energy exceeds a predetermined threshold. The optical energy responsive material does not reflect optical energy when it drops below the predetermined threshold, and thus propagation of optical energy from the input end to the output end is automatically resumed when the optical energy drops below the predetermined threshold. The optical energy responsive material may extend across the optical path an acute angle relative to the longitudinal axis of the optical path so that back-reflected light does not re-enter the optical system. | 07-01-2010 |
20110051231 | LIGHT EXCITED LIMITING WINDOW - An optical power limiter comprises an input optical transmission element, an output optical transmission element, and a power-limiting element disposed between the input and output elements for transmitting optical signals from the input element to the output element. The power-limiting element comprises an optical-limiting solid mixture containing particles of at least one material that produces reversible thermal changes in response to light above a predetermined optical power level, thereby changing the optical transmission properties of the power-limiting element. | 03-03-2011 |
20110170159 | LIGHT LIMITING WINDOW - A passive optical power limiting window comprising a transparent optical input element, a transparent optical output element, and a power-limiting element disposed between these input and output elements for transmitting optical light from these input elements to these output elements, these optical power-limiting elements comprising an optical-limiting solid mixture containing particles of at least one material that produces reversible thermal changes in response to light above a predetermined optical power level, thereby changing the optical transmission properties of these power-limiting elements. | 07-14-2011 |
Patent application number | Description | Published |
20090230182 | SYSTEM AND METHOD FOR IMPROVED QUALITY MANAGEMENT IN A PRODUCT LOGISTIC CHAIN - A quality management system for products including a multiplicity of product unit specific indicators, each operative to provide a machine-readable indication of exceedence of at least one threshold by at least one product quality determining parameter, an indicator reader operative to read the product unit specific indicators and to provide output indications and a product type specific indication interpreter operative to receive the output indications and to provide human sensible, product unit specific, product quality status outputs. | 09-17-2009 |
20090302102 | SYSTEM AND METHOD FOR QUALITY MANAGEMENT UTILIZINIG BARCODE INDICATORS - A quality management system for products including a multiplicity of barcoded quality indicators, a barcode indicator reader and a product type responsive indication interpreter, each of the barcoded quality indicators including a first barcode including at least one first colorable area, the first barcode being machine-readable before exceedance of the at least one time and temperature threshold, at least a second barcode including at least one second colorable area, the second barcode not being machine-readable before exceedance of the at least one time and temperature threshold, a coloring agent located at a first location on the indicator and a coloring agent pathway operative to allow the coloring agent to move, from the first location to the first and second colorable areas simultaneously thereby causing the first barcode to become unreadable and at the same time causing the second barcode to become machine-readable. | 12-10-2009 |
20100219235 | SYSTEM AND METHOD FOR QUALITY MANAGEMENT UTILIZING BARCODE INDICATORS - A quality management system for products including a multiplicity of barcode indicators, each operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality determining parameter, the at least one threshold being at least one of a time duration threshold and a combined temperature and time threshold, a barcode indicator reader operative to read the barcode indicators and to provide output indications and an indication interpreter operative to receive the output indications and to provide human sensible, product unit specific, product quality status outputs. | 09-02-2010 |
20110006109 | SYSTEM AND METHOD FOR QUALITY MANAGEMENT UTILIZING BARCODE INDICATORS - A quality management system for products including a multiplicity of barcoded quality indicators each operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality affecting parameter, a barcode indicator reader operative to read the barcoded quality indicators and to provide output indications, the barcoded quality indicators being readable by the barcode indicator reader at all times after first becoming readable, including times prior to, during and immediately following exceedance of the at least one threshold by the at least one product quality affecting parameter, and a product type responsive indication interpreter operative to receive the output indications and to provide human sensible, product quality status outputs. | 01-13-2011 |
20110006115 | SYSTEM AND METHOD FOR QUALITY MANAGEMENT UTILIZING BARCODE INDICATORS - A barcoded quality indicator operative to provide a machine-readable indication of exceedance of at least one product quality threshold by at least one product quality affecting parameter, the barcoded quality indicator including a changeable barcode including at least one material having at least one variable visually-sensible characteristic which gradually changes as a function of changes in the at least one product quality affecting parameter and a background having at least one selectable visually-sensible characteristic which is not variable or not variable in the same way as is the barcode. The machine-readable indication of exceedance being represented by a machine-readable difference between the at least one variable visually-sensible characteristic and the at least one selectable visually-sensible characteristic, the barcoded quality indicator providing a first machine-readable indication prior to the exceedance of the at least one threshold and a second machine-readable indication, different from the first machine-readable indication. | 01-13-2011 |
20120104105 | BARCODED INDICATORS FOR QUALITY MANAGEMENT - Providing an indication of threshold exceedance, including a first barcode including a first set of areas including an uncolored area, positioned between bars of the first barcode when the first barcode is in a first readable state prior to exceedance of the threshold, and a second barcode including a second set of areas including an uncolored area, positioned at locations of bars of the second barcode which appear only when the second barcode is in a second readable state following exceedance of the threshold, the second barcode in a second unreadable state prior to exceedance of the threshold. As the second set being uncolored, more than a single narrow barcode bar is missing from the at least a second barcode. Upon exceedance the first barcode becoming unreadable and the second barcode becoming readable as the result of coloring of the second set of areas. | 05-03-2012 |
20120104106 | Barcoded Indicators For Quality Management - A barcoded indicator operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality affecting parameter, the barcoded indicator including a first barcode including a first plurality of barcode bars and at least a first colorable area, at least a second barcode including a second plurality of barcode bars and at least a second colorable area, and at least one interposed line extending between the first barcode and the second barcode, the interposed line being capable of preventing a barcode reader from reading parts of the first barcode and of the second barcode as part of a single barcode. | 05-03-2012 |
20120145781 | SYSTEM AND METHOD FOR QUALITY MANAGEMENT UTILIZING BARCODE INDICATORS - A quality management system for products including a multiplicity of barcoded quality indicators, a barcode indicator reader and a product type responsive indication interpreter, each of the barcoded quality indicators including a first barcode including at least one first colorable area, the first barcode being machine-readable before exceedance of the at least one time and temperature threshold, at least a second barcode including at least one second colorable area, the second barcode not being machine-readable before exceedance of the at least one time and temperature threshold, a coloring agent located at a first location on the indicator and a coloring agent pathway operative to allow the coloring agent to move, from the first location to the first and second colorable areas simultaneously thereby causing the first barcode to become unreadable and at the same time causing the second barcode to become machine-readable. | 06-14-2012 |
20120305637 | SYSTEM AND METHOD FOR IMPROVED QUALITY MANAGEMENT IN A PRODUCT LOGISTIC CHAIN - A quality management system for products including a multiplicity of product unit specific indicators, each operative to provide a machine-readable indication of exceedence of at least one threshold by at least one product quality determining parameter, an indicator reader operative to read the product unit specific indicators and to provide output indications and a product type specific indication interpreter operative to receive the output indications and to provide human sensible, product unit specific, product quality status outputs. | 12-06-2012 |
20130334301 | SYSTEM AND METHOD FOR QUALITY MANAGEMENT UTILIZING BARCODE INDICATORS - A quality management system for products including a multiplicity of bar coded quality indicators each operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality affecting parameter, a barcode indicator reader operative to read the barcoded quality indicators and to provide output indications, the barcoded quality indicators being readable by the barcode indicator reader at all times after first becoming readable, including times prior to, during and immediately following exceedance of the at least one threshold by the at least one product quality affecting parameter, and a product type responsive indication interpreter operative to receive the output indications and to provide human sensible, product quality status outputs. | 12-19-2013 |
20140001256 | System And Method For Quality Management Utilizing Barcode Indicators | 01-02-2014 |
20140110486 | TAMPER-PROOF QUALITY MANAGEMENT BARCODE INDICATORS - A tamper-proof barcoded quality indicator operative to provide a machine-readable indication of exceedance of time and temperature thresholds following actuation thereof, including a first barcode including a first colorable area and being machine-readable before exceedance of the time and temperature thresholds, a second barcode including a second colorable area and not being machine-readable before exceedance of the time and temperature thresholds, a coloring agent located at a first location on the indicator, a coloring agent pathway operative to allow the coloring agent to move, at a rate which is at least partially a function of time, from the first location to the first and second colorable areas simultaneously for simultaneous coloring thereof upon exceedance of the time and temperature thresholds, thereby causing the first barcode to become unreadable and at the same time causing the second barcode to become machine-readable, and a tamper-proof actuator element operative to actuate the indicator. | 04-24-2014 |
20140252096 | Barcoded Indicators for Quality Management - A barcoded indicator operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality affecting parameter, the barcoded indicator including a first barcode including a first plurality of barcode bars and at least a first colorable area, at least a second barcode including a second plurality of barcode bars and at least a second colorable area, and at least one interposed line extending between the first barcode and the second barcode, the interposed line being capable of preventing a barcode reader from reading parts of the first barcode and of the second barcode as part of a single barcode. | 09-11-2014 |
20140353385 | TAMPER-PROOF QUALITY MANAGEMENT BARCODE INDICATORS - A tamper-proof barcoded quality indicator operative to provide a machine-readable indication of exceedance of time and temperature thresholds following actuation thereof, including a first barcode including a first colorable area and being machine-readable before exceedance of the time and temperature thresholds, a second barcode including a second colorable area and not being machine-readable before exceedance of the time and temperature thresholds, a coloring agent located at a first location on the indicator, a coloring agent pathway operative to allow the coloring agent to move, at a rate which is at least partially a function of time, from the first location to the first and second colorable areas simultaneously for simultaneous coloring thereof upon exceedance of the time and temperature thresholds, thereby causing the first barcode to become unreadable and at the same time causing the second barcode to become machine-readable, and a tamper-proof actuator element operative to actuate the indicator. | 12-04-2014 |
20150053776 | BARCODED INDICATORS FOR QUALITYU MANAGEMENT - A barcoded indicator operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality affecting parameter, the barcoded indicator including at least a first barcode and at least a second barcode, the at least a second barcode being in a second barcode unreadable state prior to exceedance of the at least one threshold and upon exceedance of the at least one threshold the at least a first barcode becoming unreadable and generally simultaneously the at least a second barcode becoming readable. | 02-26-2015 |