Source: http://www.google.com/patents/US7307793?dq=6519629
Timestamp: 2017-03-25 10:17:32
Document Index: 577440022

Matched Legal Cases: ['art.5', 'art.17', 'art.18', 'art.46', 'art.47', 'art.48', 'art.49', 'art.50', 'art.51', 'art.52', 'art.53']

Patent US7307793 - Fusion night vision system - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA fusion night vision system having image intensification and thermal imaging capabilities includes an edge detection filter circuit to aid in acquiring and identifying targets. An outline of the thermal image is generated and combined with the image intensification image without obscuration of the image...http://www.google.com/patents/US7307793?utm_source=gb-gplus-sharePatent US7307793 - Fusion night vision systemAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS7307793 B2Publication typeGrantApplication numberUS 11/173,234Publication dateDec 11, 2007Filing dateJul 1, 2005Priority dateJul 2, 2004Fee statusPaidAlso published asUS7864432, US9148579, US20070235634, US20090051760, US20110089325Publication number11173234, 173234, US 7307793 B2, US 7307793B2, US-B2-7307793, US7307793 B2, US7307793B2InventorsJoseph C. Ottney, Roger T. Hohenberger, Andrew D. RussellOriginal AssigneeInsight Technology, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (38), Non-Patent Citations (53), Referenced by (35), Classifications (37), Legal Events (5) External Links: USPTO, USPTO Assignment, EspacenetFusion night vision system
US 7307793 B2Abstract
The present application claims the benefit of U.S. provisional patent application Ser. No. 60/585,327, filed Jul. 2, 2004; Ser. No. 60/589,693 filed Jul. 21, 2004, and Ser. No. 60/645,097, filed Jan. 20, 2005, the entire disclosures of which are incorporated herein by reference.
The output of a thermal channel may be a digital image comprising an array of integer or real and/or complex numbers represented by a finite number of bits, for example 10 bits. These bits may represent temperature gradients as small as 0.025° C. and are typically displayed as white, black or shades of gray pixels, although the bits can also be converted to colored pixels. White pixels are typically used to display hotter objects and black pixels for displaying colder objects, although the associated colors can be swapped;
As shown in FIG. 10, the edge detection filter circuit 1000 may include a multi-row, multi-column buffer 1002 and a multi-row, multi-column convolver 1004 and a multi-row, multi-column convolution kernel 1006. The filter may be incorporated into processing logic embedded in a programmable logic device, for example the model EP1S25F67217 from Altera, or other digital image processing devices. The multi-row, multi-column-buffer 1002 may receive a corrected image from a non-uniformity correction circuit (not shown). The non-uniformity correction circuit calibrates the output signals of each of the pixels to compensate for focal plane array variability due to manufacturing tolerances. An example of a corrected image into the edge detection filter circuit 1000 is shown in FIG. 11A. Information received through the thermal channel may be represented by a plurality of pixels with associated received pixel values arranged in a plurality of rows and columns. In a 10 bit thermal imager for example, the received pixel values may range from zero (black) to ˜1000 (white). The received pixel values may be inputted into and processed by the edge detection filter circuit 1000 before being displayed as display pixel values in the display for viewing by an operator. The output of the edge detection filter circuit 1000 may be fused with the output from the image intensification channel for viewing by the operator.
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KGaAWärmebildkameraWO2009105195A3 *Feb 18, 2009Dec 30, 2009Bae Systems Information And Electronic SystemsFocus actuated vergence* Cited by examinerClassifications U.S. Classification359/634, 348/218.1, 348/216.1, 359/353, 359/629, 348/217.1, 348/223.1International ClassificationG02B27/14Cooperative ClassificationH04N5/33, H04N5/332, H04N5/235, G02B23/125, G02B2027/0129, G02B2027/0118, G01J2005/0077, G01J5/0859, G01J5/0275, G01J5/0265, G01J5/025, G01J5/02, G02B27/0172, G02B2027/014, G02B2027/0138, G02B27/017, G01J5/08, G02B2027/0132European ClassificationH04N5/33, H04N5/33D, G01J5/02K, G01J5/02H, G01J5/08B16, G01J5/02E, G02B27/01C1, G02B23/12H, G02B27/01C, G01J5/02, G01J5/08Legal EventsDateCodeEventDescriptionSep 13, 2005ASAssignmentOwner name: INSIGHT TECHNOLOGY, INCORPORATED, NEW HAMPSHIREFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OTTNEY, JOSEPH C.;RUSSELL, ANDREW D.;TEJADA, JOHN A.;ANDOTHERS;REEL/FRAME:016776/0447;SIGNING DATES FROM 20050902 TO 20050912Aug 4, 2010ASAssignmentOwner name: L-3 INSIGHT TECHNOLOGY INCORPORATED, NEW HAMPSHIREFree format text: CHANGE OF NAME;ASSIGNOR:INSIGHT TECHNOLOGY INCORPORATED;REEL/FRAME:024785/0351Effective date: 20100415Jan 19, 2011FPAYFee paymentYear of fee payment: 4Oct 12, 2011ASAssignmentOwner name: L-3 COMMUNICATIONS INSIGHT TECHNOLOGY INCORPORATEDFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:L-3 INSIGHT TECHNOLOGY INCORPORATED;REEL/FRAME:027052/0397Effective date: 20110929Jun 2, 2015FPAYFee paymentYear of fee payment: 8RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services