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US4859080A Expired / Lapsed US ⏱️ 0.0 years remaining

Dynamic thermal display simulator

Assignee: SSG Inc 150 BEAR HILL RD WALTHAM MASSACHUSETTS 02154-1045 A CORP OF
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Filing: 1988-07-22
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Granted: 1989-08-22
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Expires: 2008-07-22
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Abstract

Abstract A dynamic thermal display simulator for testing thermal sensors having a matrix of individually programmable heater elements which are arranged in a linear array on the edge of a board comprising a low, thermal-conductive, electrically insulating substrate. A plurality of boards are arranged in rows to create the matrix.

Inventors

  • 👤 Joseph S. Titus
  • 👤 Dexter Wang
  • 👤 Harold A. Graham

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:36
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/52; G01J5/53; Y; Y10; Y10S; Y10S430/00; Y10S430/145

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 69 words
A dynamic thermal display simulator for testing thermal sensors comprising: a matrix of individually programmable resistive elements, a plurality of elements being arranged in a linear array on one exposed edge of a narrow board comprising a low thermal conductive, electrically insulating substrate, a plurality of narrow boards being arranged side-by-side in rows to create the matrix, and a plurality of integrated circuit chips secured to each narrow board.
Claim 2
Dependent Claim 69 words
A dynamic thermal display simulator for testing thermal sensors comprising: a matrix of individually programmable resistive elements, a plurality of elements being arranged in a linear array on one exposed edge of a narrow board comprising a low thermal conductive, electrically insulating substrate, a plurality of narrow boards being arranged side-by-side in rows to create the matrix, and a plurality of integrated circuit chips secured to each narrow board.
Claim 3
Dependent Claim 21 words
A display simulator according to claim 1 wherein each resistive element in the linear array is separated from the adjacent element.
Claim 4
Dependent Claim 23 words
A display simulator according to claim 1 wherein each board in the matrix is separated from the adjacent board by an insulating film.
Claim 5
Dependent Claim 17 words
A display simulator according to claim 1 wherein each resistive element is connected to a heat sink.
Claim 6
Dependent Claim 19 words
A display simulator according to claim 1 wherein each resistive element is connected to at least one conductor lead.
Claim 7
Dependent Claim 45 words
A display simulator according to claim 1 wherein there are a plurality of integrated circuit chips secured to each board and each board includes an aperture for accommodating the chips on an adjacent board thereby to permit the boards to be assembled in close proximity.
Claim 8
Dependent Claim 38 words
A display simulator according to claim 1 wherein there are a plurality of integrated circuit chips secured to each board, each chip being in communication with a plurality of leads, each lead being dedicated to one resistive element.
Claim 9
Dependent Claim 139 words
A heater element for a thermal display simulator comprising one of a plurality of pixels which are arranged in a predetermined matrix, each pixel comprising one of a plurality of members projecting from a common substrate of insulating material in the form of a narrow board, a plurality of integrated circuit chips secured to each narrow board, resistive material deposited on one exposed end surface of the substrate material forming the pixel, a common lead on the substrate material connected to one portion of the resistive material, as well as, to the resistive material of other pixels, a dedicated lead on the substrate material connected to a different portion of the resistive material, an insulating material deposited on one of said leads on the substrate, and a heat sink connected to the other of said leads on the substrate.
Claim 10
Dependent Claim 139 words
A heater element for a thermal display simulator comprising one of a plurality of pixels which are arranged in a predetermined matrix, each pixel comprising one of a plurality of members projecting from a common substrate of insulating material in the form of a narrow board, a plurality of integrated circuit chips secured to each narrow board, resistive material deposited on one exposed end surface of the substrate material forming the pixel, a common lead on the substrate material connected to one portion of the resistive material, as well as, to the resistive material of other pixels, a dedicated lead on the substrate material connected to a different portion of the resistive material, an insulating material deposited on one of said leads on the substrate, and a heat sink connected to the other of said leads on the substrate.
Claim 11
Dependent Claim 37 words
A heater element according to claim 8 wherein the substrate portion of the pixel is a substantially rectangular solid projecting from the narrow board of insulating material which substrate material forms a plurality of other projecting pixels.
Claim 12
Dependent Claim 25 words
A heater element according to claim 8 wherein the resistive material is deposited as a film on the one exposed end surface of the substrate.
Claim 13
Dependent Claim 30 words
A heater element according to claim 8 wherein the leads are deposited as films on substantially parallel surfaces of the substrate which are substantially normal to the exposed end surface.
Claim 14
Dependent Claim 29 words
A heater element according to claim 8 wherein the leads are in contact with the resistive material along chamfered edges of the substrate contiguous with the exposed end surface.
Claim 15
Dependent Claim 26 words
A heater element according to claim 8 wherein the insulating material which is superposed on the lead terminates at a point spaced from the resistive material.
Claim 16
Dependent Claim 25 words
A heater element according to claim 8 wherein the heat sink of one pixel is in engagement with the insulating material of an adjacent pixel.
Claim 17
Dependent Claim 16 words
A heater element according to claim 8 wherein each pixel is separated from the adjacent pixel.
Claim 18
Dependent Claim 105 words
A dynamic thermal display simulator for testing thermal sensors comprising: a matrix of individually programmable resistive elements electrically insulated from each other and arranged on a plurality of narrow boards and lying substantially in a plane, means for conducting energy to each resistive element including a plurality of integrated circuit chips secure to each narrow board to heat said resistive element and produce infrared radiation, means to conduct heat away from each element to reduce the infrared radiation, and control means responsive to predetermined programming to control the conduction of energy to and from the resistive elements to produce a discernible pattern on the plane.
Claim 19
Dependent Claim 105 words
A dynamic thermal display simulator for testing thermal sensors comprising: a matrix of individually programmable resistive elements electrically insulated from each other and arranged on a plurality of narrow boards and lying substantially in a plane, means for conducting energy to each resistive element including a plurality of integrated circuit chips secure to each narrow board to heat said resistive element and produce infrared radiation, means to conduct heat away from each element to reduce the infrared radiation, and control means responsive to predetermined programming to control the conduction of energy to and from the resistive elements to produce a discernible pattern on the plane.
Claim 20
Dependent Claim 22 words
A display simulator according to claim 16 wherein each resistive element is separated from the adjacent resistive element by an air space.
Claim 21
Dependent Claim 17 words
A display simulator according to claim 16 wherein each resistive element is connected to a heat sink.
Claim 22
Dependent Claim 16 words
A display simulator according to claim 16 wherein each resistive element is connected to conductor leads.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-08-21 1993-02-20 1993-08-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-08-21 1997-02-20 1997-08-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-08-21 2001-02-20 2001-08-22 $7700.00 Window Closed / Lapsed

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