# US 9,436,059 B2 · Using reflectance properties > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,436,059 B2 - Document ID: US9436059B2 - Status: Granted - Kind: B2 - Application number: 13/958,447 - Filed: 2013-08-02 - Published: 2013-11-28 - Granted: 2016-09-06 - Earliest claimed: 2008-08-15 - Assignees: Adobe Systems Incorporated - Applicants: Adobe Systems Incorporated - Inventors: Wojciech Matusik; Jinwei Gu - Web page: https://patentgrep.com/patent/US9436059B2 ## CPC - B41J 2/2132: {Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding (methods for local corrections by dot omission, image edge enhancement, or multi-pass mask selection G06K15/102; colour conversion H04N1/40)} - G02F 1/133553: {Reflecting elements (associated to illuminating devices G02F1/133605)} - G06K 15/02: using printers - G06K 15/027: {Test patterns and calibration (arrangements for controlling or analysing printing mechanisms of typewriters or selective printing units B41J29/393 takes precedence; colour correction using test pattern analysis in general H04N1/6033)} - H04N 1/2307: {Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity (H04N1/27, H04N1/29 take precedence)} - H04N 1/2323: {according to characteristics of the reproducing medium, e.g. type, size or availability} - H04N 1/2338: {according to user specified instructions, e.g. user selection of reproduction mode} - H04N 1/2392: {for displaying or indicating, e.g. a condition or state (details of displaying or indicating means H04N1/00405)} - H04N 1/54: Conversion of colour picture signals to a plurality of signals some of which represent particular mixed colours, e.g. for textile printing - G06K 2215/0082: Architecture adapted for a particular function - G06K 2215/0094: Colour printing - B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A method includes applying at least one medium to a substrate with a printing device to form a symbol. The perceived reflectance properties of the symbol are provided by an amount of the at least one medium applied to the substrate. ## Claims ### Claim 1 A display configured to present content having at least two different perceivable reflectance properties, the display comprising: a first layer including cells having a first set of reflectance properties; a second layer including cells having a second set of reflectance properties, the first set of reflectance properties different from the second set of reflectance properties such that the display is configured to present the content having at least two different perceivable reflectance properties; and a third layer including cells of variable transparency, the variable transparency of the cells adjustable to control light passing through a portion of the third layer and reflecting from cells of the second layer. ### Claim 2 (depends on 1) The display of claim 1, wherein the third layer is a layer of liquid crystal cells that is interposed between the first and second layers of the display. ### Claim 3 (depends on 1) The display of claim 1, wherein the cells of the first layer are translucent cells and the cells of the second layer are opaque cells. ### Claim 4 (depends on 1) The display of claim 1, wherein the second layer is configured to reflect light from the cells of the second layer through cells of the first and third layers to provide a reflectance property based on reflectance properties of the cells of the first and second layers. ### Claim 5 (depends on 1) The display of claim 1, wherein each of the at least two different perceivable reflectance properties of the content are characterized by a respective bi-directional reflectance distribution functions. ### Claim 6 (depends on 1) The display of claim 1, wherein the variable transparency of the cells is adjustable by varying an amount of voltage applied to the cells of variable transparency. ### Claim 7 (depends on 1) The display of claim 1, wherein a reflectance property of the first layer or the second layer is adjustable by applying a control signal that is effective to cause a size of the cells of the first layer or second layer to change, respectively. ### Claim 8 A method for controlling a display to provide content having at least two different perceivable reflectance properties, the method comprising: applying, to a first layer of the display that includes cells having a first set of reflectance properties, a first control signal to cause a size of the first layer's cells to change effective to adjust the first set of reflectance properties of the first layer; or applying, to a second layer of the display that includes cells having a second set of reflectance properties, a second control signal to cause a size of the second layer's cells to change effective to adjust the second set of reflectance properties of the second layer, the first set of reflectance properties different from the second set of reflectance properties; and applying, to a third layer of the display that includes cells of variable transparency, a third control signal to adjust the variable transparency of the third layer's cells effective to control light that passes through a portion of the third layer and reflects from cells of the second layer. ### Claim 9 (depends on 8) The method of claim 8, wherein applying the third control signal to the third layer comprises varying an amount of voltage that is applied to the cells of variable transparency. ### Claim 10 (depends on 8) The method of claim 8, wherein changing the size of the first layer's cells or changing the size of the second layer's cells is effective to provide different linear combinations of the first set of reflectance properties or the second set of reflectance properties, respectively. ### Claim 11 (depends on 8) The method of claim 8, wherein the third layer is a layer of liquid crystal cells that is interposed between the first and second layers of the display. ### Claim 12 (depends on 8) The method of claim 8, wherein the cells of the first layer are translucent cells and the cells of the second layer are opaque cells. ### Claim 13 (depends on 8) The method of claim 8, wherein the second layer is configured to reflect light from the cells of the second layer through cells of the first and third layers to provide a reflectance property based on reflectance properties of the cells of the first and second layers. ### Claim 14 A display comprising: a first layer including cells having a first set of reflectance properties; a second layer including cells having a second set of reflectance properties, the first set of reflectance properties different from the second set of reflectance properties; and a third layer including cells of variable transparency, the variable transparency of the cells adjustable to control light passing through a portion of the third layer and reflecting from cells of the second layer, the second layer being configured to reflect the light from the cells of the second layer through cells of the first and third layers to provide a reflectance property based on the respective reflectance properties of the cells of the first and second layers. ### Claim 15 (depends on 14) The display of claim 14, wherein the third layer is a layer of liquid crystal cells that is interposed between the first and second layers of the display. ### Claim 16 (depends on 14) The display of claim 14, wherein the cells of the first layer are translucent cells and the cells of the second layer are opaque cells. ### Claim 17 (depends on 14) The display of claim 14, wherein the display is configured to present content having at least two different perceivable reflectance properties. ### Claim 18 (depends on 17) The display of claim 17, wherein each of the at least two different perceivable reflectance properties of the content are characterized by a respective bi-directional reflectance distribution functions. ### Claim 19 (depends on 14) The display of claim 14, wherein the variable transparency of the cells is adjustable by varying an amount of voltage applied to the cells of variable transparency. ### Claim 20 (depends on 14) The display of claim 14, wherein a reflectance property of the first layer or the second layer is adjustable by applying a control signal that is effective to cause a size of the cells of the first layer or the cells of the second layer to change, respectively.