Inventor
Fred F. Hubble, III
Inventor
Rochester, NY, US
Overview
Patents· 52 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography26%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light12%
H04NPictorial communication, e.g. television12%
B41JTypewriters7%
G02BOptical elements, systems or apparatus5%
F21VFunctional features or details of lighting devices or systems thereof3%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted3%
G01FMeasuring volume, volume flow, mass flow or liquid level3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%
PatentTitleYear
7,471,385'Systems and methods for selecting a reference database for determining a spectrum of an object based on fluorescence of the object'20087,259,853'Systems and methods for augmenting spectral range of an LED spectrophotometer'20076,809,855'Angular, azimuthal and displacement insensitive spectrophotometer for color printer color control systems'20046,806,717'Spacing compensating electrostatic voltmeter'20046,757,076'Systems and methods for device independent color control to achieve accurate color proofing and reproduction'20046,668,155'Lead edge paper curl sensor'20036,650,416'Color image bar based spectrophotometer photodetector optical orientation'20036,639,669'Diagnostics for color printer on-line spectrophotometer control system'20036,633,382'Angular, azimuthal and displacement insensitive spectrophotometer for color printer color control systems'20036,608,643'Systems and method for measuring or reducing spacing errors in multiple beam ROS systems'20036,603,551'Color measurement of angularly color variant textiles'20036,556,932'System and method for reconstruction of spectral curves using measurements from a color sensor and a spectral measurement system model'20036,556,300'Color imager bar based spectrophotometer photodetector optical orientation'20036,462,821'Developability sensor with diffuse and specular optics array'20026,409,302'Sensing system for detecting presence of an ink container and level of ink therein'20026,384,918'Spectrophotometer for color printer color control with displacement insensitive optics'20026,355,926'Raster output scanner beam steering'20026,320,182'Light collector for an LED array'20016,234,603'Sensing system for detecting presence of an ink container and level of ink therein'20016,177,800'Method and apparatus for using shuttered windows in a micro-electro-mechanical system'20016,115,184'Light collector for an LED array'20005,997,121'Sensing system for detecting presence of an ink container and level of ink therein'19995,835,975'Paper property sensing system'19985,751,443'Adaptive sensor and interface'19985,744,732'Sheet materials transport system'19985,721,434'Digital diagnostic system for optical paper path sensors'19985,714,697'Sheet materials mass measuring system'19985,627,571'Drop sensing and recovery system for an ink jet printer'19975,526,190'Optical element and device for providing uniform irradiance of a surface'19965,519,230'Belt edge steering sensor'19965,519,497'Control develop mass in a color system'19965,451,778'Apparatus and method for beam steering in a raster output scanner'19955,394,223'Apparatus for image registration'19955,386,123'Beam steering sensor for a raster scanner using a lateral effect detecting device'19955,341,193'Method and apparatus for sensing magnetic signal strength of xerographically developed toner images for closed loop control of magnetic printing'19945,339,150'Mark detection circuit for an electrographic printing machine'19945,337,122'Method and apparatus for MICR printing quality control'19945,321,434'Digital color printer with improved lateral registration'19945,319,537'Raser output scanner color printer with improved start of scan detection and process registration'19945,278,587'Method and apparatus for image registration'19945,272,493'Method and apparatus for registration of sequential images in a single pass, multi-LED printbar printer'19935,184,011'Linear encoder for digital printing applications'19935,083,161'Densitometer for measuring developability'19925,078,497'Densitometer for a liquid developer material'19924,989,985'Densitometer for measuring specular reflectivity'19914,831,410'Automatic exposure control system for flash exposure photocopiers'19894,767,172'Collector for an LED array'19884,670,647'Dirt insensitive optical paper path sensor'19874,553,033'Infrared reflectance densitometer'19854,258,258'Corona wire mounting device'19814,118,751'Coronode connection arrangement'19784,110,811'Support structure for a corona generating device'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2008Patents assigned to XEROX CORP (52)· patent assignee history
1978–2004Based in Rochester, NY, US· patent location history
2001Based in Monroe, NY, US· patent location history
2007–2008Based in Friendswood, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 52 | 1978–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 49 | 1978–2004 |
| Friendswood, Texas, US | 2 | 2007–2008 |
| Monroe, New York, US | 1 | 2001 |