RU2178588C1 - Light panel - Google Patents

Light panel Download PDF

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Publication number
RU2178588C1
RU2178588C1 RU2000110780A RU2000110780A RU2178588C1 RU 2178588 C1 RU2178588 C1 RU 2178588C1 RU 2000110780 A RU2000110780 A RU 2000110780A RU 2000110780 A RU2000110780 A RU 2000110780A RU 2178588 C1 RU2178588 C1 RU 2178588C1
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RU
Russia
Prior art keywords
light
panel
board
leds
devices
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Application number
RU2000110780A
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Russian (ru)
Inventor
В.Н. Марков
Original Assignee
Марков Валерий Николаевич
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Priority to RU2000110780A priority Critical patent/RU2178588C1/en
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Publication of RU2178588C1 publication Critical patent/RU2178588C1/en

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Abstract

FIELD: light engineering; light sources, illuminated signs, and the like. SUBSTANCE: light conductor material is transparent plastic board such as that made of polycarbonate with internal parallel through hollows crossing board structure; strips carrying light-emitting diodes are mounted on its end parts so that these light-emitting diodes enter mentioned hollows. Both sides of board are used as data field whereon either transparent or dark stenciled text resides. In second alternative strip carrying light-emitting devices is mounted on one butt end of board and second one carries strip covered with light-reflecting layer. In third alternative light-emitting devices are inserted in board cells by way of point-to-point wiring dispensing with strip. Light-emitting diodes may be designed to emit light of different color; each group distinguished by its color has its respective current regulator. Similar groups may be also formed from same-color light-emitting diodes. EFFECT: reduced labor consumption for manufacturing light panel; enlarged functional capabilities. 9 cl, 10 dwg

Description

 The claimed invention relates to illuminated information signs, lamps for various purposes and may find application, in particular, as a vehicle license plate or a light sign, marker, element of an advertising information device or alarm.

 Known light panel, which contains a front plate with layers of paint, with holes covered with transparent plastic with information signs. Under the face plate there are light sources (see, for example, USSR patent N 930590 "Light panel", MKI G 12 B 11/00, publ. 05.15.1981, BI N 18).

 A disadvantage of the known technical solution is that the light panel can find limited application, for example in dashboards. In addition, it is laborious to manufacture, has a large weight and special fasteners.

 Also known is the light panel described in US patent N 5692327 "Illuminated license plate", publ. NKI 40-205, publ. 12/02/1997, which is an electroluminescent flat board with a transparent front plate on which information is contained. On the inside of the panel there is a substrate with reflective material.

 The known light panel on the electroluminescent principle has several disadvantages, which include the need for an alternating current source, preferably an increased frequency, a decrease in light output during operation and a low service life, which reduces its range of application, as well as low mechanical strength.

 Closer in technical essence to this invention and adopted as a prototype, is the light panel described in US patent N 4490033 "Light panel with internal illumination (Internally illuminated display structure)", NKI 40-564, publ. 01/01/1985 and consisting of a board in the form of a flat rectangular parallelepiped made of a transparent material, into the end sides of which light devices - halogen lamps, are inserted, and both surfaces are used for applying information.

 A disadvantage of the known light panel is that its implementation requires a material with special lighting parameters, and the light flux emitted by the known panel is uneven. In addition, the resulting design is material intensive and difficult to manufacture. Its service life is short, which is determined by the used light sources. It is impossible to change the color and distribution of the luminous flux of a luminous surface in a known light panel.

 An object of the invention is to increase the life of the light panel, expand the range of applications with a stable and uniform light flux with the possibility of changing the color and redistribution of the light flux depending on the purpose, reducing the complexity of manufacturing and material consumption of the product.

 The technical result is achieved due to the fact that the light panel containing a flat board made of transparent plastic material, on which both information is applied, and light devices, according to the invention, the board has internal through parallel cavities, and strips with light devices are installed on the end parts of the flat board so that the lights enter the cavities.

 In a second embodiment of the invention, the technical result is achieved in that the light panel comprising a board made of transparent plastic material, on which both information surfaces are applied, and light devices, according to the invention, the board has internal through parallel cavities, a strip is installed on one of the end sides of the flat board light devices so that the light devices enter the cavities, and on its second side there is a bar with a reflective layer.

 In an embodiment of the invention, light fixtures are inserted into the cells of the board by means of surface mounting without using a bracket.

 In an embodiment of the invention, the technical result is achieved by the fact that LEDs are used as light devices in the light panel.

 In an embodiment of the invention, the technical result is achieved due to the fact that the LEDs have different colors and each group of LEDs of a certain color has a current regulator.

 Using as a panel a transparent plastic material, for example, polycarbonate, having internal hollow through parallel cavities or cells passing through the board structure, in the end parts of which strips with light devices, preferably LEDs, are installed so that the LEDs enter the cavities, ensures uniform distribution of light flow over the entire surface of the panel. At the same time, the use of LEDs as light devices leads to an increase in the service life of the product up to 100 thousand hours. There is also an ideal compatibility of LEDs with relatively small luminous fluxes and a low heating temperature and laminated plastic, which acts as a light guide and holder of light sources.

 The use of LEDs with different emission colors with current regulators for each group of LEDs with different emission colors allows you to change the color of the light panel over a wide range.

 The use of plastic, widely used in industry, helps reduce the cost of the panel, and the presence of voids determines the low material consumption, weight and cost.

 Installing LEDs on only one side with a mirror coating on the other end of the board allows you to reduce the number of lighting fixtures and, therefore, reduce the cost of the product, while maintaining uniformity in the glow of the entire surface.

 In the absence of a bar on the side opposite to the light devices, an additional high-intensity end light stream is created, which allows to expand the range of application of the panel, reduce the number of light devices and, therefore, reduce the complexity of manufacturing.

 Hinged installation of lighting devices without using an intermediate stage of fastening on a bar allows to reduce the complexity of manufacturing and thereby reduce the cost of the product, in addition, if necessary, some lighting devices can be easily removed, which contributes to the ability to adapt the board to various technical needs.

 Installing LEDs on the back of the panel with the coating of the plate with LEDs with a reflective layer facing the board allows you to generate additional light information, which also helps to increase its versatility.

 The light panel is illustrated by drawings.

 In FIG. 1 shows the light panel board in two projections and a section along AA, as well as the location of the lighting devices.

 In FIG. 2 there is a section along AA.

 In FIG. 3 shows a light panel with a one-way arrangement of light devices.

 In FIG. 4 shows the light panel assembly (top view).

 In FIG. 5 shows a light panel in isometry with a filled information field.

 In FIG. 6 is a view of the current control device of a separate group of LEDs.

 In FIG. 7 illustrates an example of using a light panel as a light sign.

 In FIG. 8 is an example of using a set of seven light panels as a light sign.

 In FIG. 9 shows a circuit diagram of the inclusion of light panels.

 In FIG. 10 shows an embodiment of a mounting assembly.

 The light panel is arranged as follows. A plastic board 1 (Fig. 1), made, for example, of polycarbonate in the form of a flat rectangular cavity profile (cells) 2, separated by partitions 3 and parallel to the front and back surfaces of the board 1. Lighting devices, such as LEDs 4, are located on the strips 5 In turn, the strips 5 are attached with glue to the end surfaces of the board 1 so that the light fixtures enter the cavities 2. The upper and lower cavities of the board 1 may remain empty for mounting the fasteners.

 In an embodiment of the device, a strip 5 with light devices is installed from only one end surface, and the second end surface is provided with a strip 6 (Fig. 2) with a reflective layer 7 facing the inside of the board.

 In the case when one-sided luminosity of the panel is required, the board 1 is provided with a reflective layer 8 (Fig. 3) adjacent to the back side of the board and facing the surface of the board 1. The outer side of the board 1 is equipped with a stencil 9 having spaces with opaque symbols. The required information can be applied directly to the surface of the panel, as shown in FIG. 4. The panel can be attached using fasteners 10. The required information can be applied directly to the surface of the panel, as shown in FIG. 5. The panel can be attached to any surface using fasteners 10.

 The stencil 9 can be coated with an opaque layer, and at the locations of the characters this layer is erased. In this case, information is displayed on a dark background. To increase the uniformity of the glow of the panel, the surface of the board can be coated with a frosted layer.

 A group of LEDs 4 ', for example, of a certain color, has a separate switch 12 and a current regulator 13 (Fig. 6), made in the form of an adjustable resistance. Another device, for example, a pulse-width modulator, or another electronic automatic current controller, which changes the brightness of a group of LEDs according to a certain law, can be used as a regulator.

 The design of the proposed light panel allows you to combine it with light devices for various purposes. As an example in FIG. 7 gives the design of a light sign with a light panel 14, located in the housing 15, in the rear of which are placed the elements of regulation and power supply of the panel 16. The stencil 17 can be placed at some distance from the luminous panel 14. The inner surface of the housing 15 has a tapering part 18, performing the function of the light guide, which can be covered with a reflective layer, concentrating the light flux in the information field (stencil 17).

 Seven-segment light sign consists of seven light panels 14, forming a figure eight (Fig. 8). Due to the combination of the included panels, any digital symbol is formed from 0 to 9. The panels themselves can be attached to the surface with glue.

 The combination of the included panels is provided using an electronic switch 19 (Fig. 9), including light panels 14 with LEDs 4 in accordance with a given program.

 The upper and lower cells of the board 1 are equipped with studs 20 (Fig. 8) with square heads 21, which enter the cells 2 from the front side and are fixed there with glue or epoxy. The protruding threaded portion 22 of the studs 20 is provided with brackets 23 with holes 24. The brackets 23 are fixed with nuts 25.

 The light panel operates as follows. When you turn on the light devices 4 (Fig. 1, 2, 3), the light flux penetrates the entire internal space of the panel 1, partially penetrating through the partitions 3 of the cells 2, ensuring uniform illumination of the entire surface of the panel. In the case of a unilateral arrangement of light sources 4, the mirror surface of the strip 6 (Fig. 2) contributes to additional illumination of the panel surface with reflected light. The required information can be located on both sides of the panel and can be either in the form of dark symbols on a light background (Fig. 4) or in the form of light symbols on a dark background (Fig. 5) due to stencils 8 located on one or two sides.

 If one end surface remains open, an end luminous flux of high intensity is created, which can be used, for example, for additional illumination of any surfaces.

 In the case when the LEDs 4 have different color, then adjusting the current of a separate group of LEDs 4 'of different color using the current regulator 13 (Fig. 6), you can change the luminous flux of each group of LEDs and thus change the total color gamut of the light panel as a result addition of light fluxes of used LEDs.

 The same regulator 13 can also be used to vary the luminous flux of any group of LEDs, which will allow changing the distribution of the luminous flux over the surface of the panel. It is also allowed to vary the distribution of luminous flux due to a change in the number of light devices on bar 5.

 Thus, a large number of light sources of relatively low power makes it possible to adjust in a wide range the overall brightness of the panel or individual areas of its plane by changing the brightness of individual groups of LEDs or by turning off some of them. At the same time, energy consumption is also reduced. Energy savings are also determined by the use of LEDs with relatively low consumption.

 Joint operation of two or more light panels is allowed due to their docking on the plane. In this case, the rear side of the rear panel may have a mirror coating.

 A set of seven light panels 14 (Fig. 8) allows you to create any digital sign from 0 to 9, by including the corresponding segments - light panels 14 using the electronic switch 19, which contains information about the combination of the included light panels.

 The option of mounting the board to any surface is carried out using brackets 22 with fixing screws or screws. In this case, the plane of the brackets can occupy any position around the circumference. Therefore, the light panel can be attached to the ceiling, inclined wall, etc. at four or two points. However, it is allowed to fasten the panel to any surface using fasteners 10 through holes drilled directly in the circuit board, as shown in FIG. 4, or with glue.

The use of LEDs is also justified by the fact that the temperature of their housing does not exceed 40 o C, which determines the choice of non-heat-resistant and inexpensive plastic.

 The technical and economic advantage of the proposed light panel is as follows.

 1. Reducing the complexity of manufacturing and product weight.

 2. Reducing the cost of the product by reducing the complexity.

 3. Increased product life due to LEDs.

 4. Easy to install.

 5. Greater versatility due to the large number of product modifications and application possibilities.

 6. The ability to control the color of the panel.

 7. The ability to redistribute the light flux over the surface due to either the regulation of the current of individual groups of LEDs, or by reducing their number.

 8. Reduced energy consumption.

 9. Reducing the material consumption of the panel.

Claims (9)

 1. A light panel comprising a flat board made of a transparent plastic material, on which both surfaces are coated with information, and light devices, characterized in that the flat board has internal parallel through cavities, and strips with light devices are mounted on its end parts so that the light instruments enter the cavities.
 2. The light panel according to claim 1, characterized in that the LEDs are used as light devices.
 3. The light panel according to paragraphs. 1 and 2, characterized in that the LEDs have a different color and each group of LEDs of a certain color has a current regulator.
 4. A light panel comprising a flat board made of transparent plastic material, on which both surfaces are coated with information, and lighting devices, characterized in that the flat board has internal through parallel cavities, a bar with light devices is installed on one of the end sides of the flat board so that light devices enter the cavities, and on its second side there is a bar with a reflective layer.
 5. The light panel according to claim 4, characterized in that the LEDs are used as light devices.
 6. The light panel according to claim 4 or 5, characterized in that the LEDs have different colors and each group of LEDs of a certain color has a current regulator.
 7. A light panel comprising a flat board made of transparent plastic material, on which both information is applied, and light devices, characterized in that the flat board has internal parallel through cavities, and the light devices are mounted in the cavity by means of wall mounting.
 8. The light panel according to claim 7, characterized in that the LEDs are used as light devices.
 9. The light panel according to claim 7 or 8, characterized in that the LEDs have different colors and each group of LEDs of a certain color has a current regulator.
RU2000110780A 2000-05-03 2000-05-03 Light panel RU2178588C1 (en)

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WO2008085161A1 (en) * 2007-01-09 2008-07-17 Lighting Panels, Llc Backlight panel and manufacturing method thereof
WO2009017435A1 (en) * 2007-07-30 2009-02-05 Zapolskij Sergej Aleksandrovic Method for producing artistic decorative articles in the form of panels (variants)
WO2009123495A1 (en) * 2008-04-03 2009-10-08 Basargin Oleg Sergeevich Display device
US7766531B2 (en) 2006-03-29 2010-08-03 3M Innovative Properties Company Edge-lit optical display with fluted optical plate
RU2474755C1 (en) * 2008-12-09 2013-02-10 Шарп Кабусики Кайся Light source unit, lighting device, display device and television set
RU2488033C1 (en) * 2009-06-15 2013-07-20 Шарп Кабусики Кайся Lighting device, display device and tv receiver
RU2501055C2 (en) * 2009-07-10 2013-12-10 Шарп Кабусики Кайся Illumination device, display device and television receiver
RU2502915C2 (en) * 2009-07-02 2013-12-27 Шарп Кабусики Кайся Lighting device, display device and television set
US20140007474A1 (en) * 2012-07-09 2014-01-09 Nicholas G Varveris Thin-wall panel modular light box sign and display
RU2505743C2 (en) * 2009-07-29 2014-01-27 Шарп Кабусики Кайся Illumination device, display device and television receiver
US20140159894A1 (en) * 2006-09-26 2014-06-12 Fitbit, Inc. Personal Activity Tracking Device
US20140375452A1 (en) 2010-09-30 2014-12-25 Fitbit, Inc. Methods and Systems for Metrics Analysis and Interactive Rendering, Including Events Having Combined Activity and Location Information
RU2544197C2 (en) * 2009-09-24 2015-03-10 Конинклейке Филипс Электроникс Н.В Wall-mounted or ceiling-mounted lining material
US9374279B2 (en) 2010-09-30 2016-06-21 Fitbit, Inc. Motion-activated display of messages on an activity monitoring device
US9409439B2 (en) 2010-10-08 2016-08-09 3D Lighting Fx Inc. Wall mounted, three dimensional, visual display element
US9420083B2 (en) 2014-02-27 2016-08-16 Fitbit, Inc. Notifications on a user device based on activity detected by an activity monitoring device
US9421422B2 (en) 2010-09-30 2016-08-23 Fitbit, Inc. Methods and systems for processing social interactive data and sharing of tracked activity associated with locations
US9421448B2 (en) 2006-09-26 2016-08-23 Fitbit, Inc. Methods for detecting and recording activity and devices for performing the same
RU2614135C2 (en) * 2010-12-22 2017-03-23 Филипс Лайтинг Холдинг Б.В. Lighting device and method of lighting device production
US9615215B2 (en) 2010-09-30 2017-04-04 Fitbit, Inc. Methods and systems for classification of geographic locations for tracked activity
US9641469B2 (en) 2014-05-06 2017-05-02 Fitbit, Inc. User messaging based on changes in tracked activity metrics
US9646481B2 (en) 2010-09-30 2017-05-09 Fitbit, Inc. Alarm setting and interfacing with gesture contact interfacing controls
US9655053B2 (en) 2011-06-08 2017-05-16 Fitbit, Inc. Wireless portable activity-monitoring device syncing
US9658066B2 (en) 2010-09-30 2017-05-23 Fitbit, Inc. Methods and systems for geo-location optimized tracking and updating for events having combined activity and location information
US9672754B2 (en) 2010-09-30 2017-06-06 Fitbit, Inc. Methods and systems for interactive goal setting and recommender using events having combined activity and location information
US9692844B2 (en) 2010-09-30 2017-06-27 Fitbit, Inc. Methods, systems and devices for automatic linking of activity tracking devices to user devices
US9712629B2 (en) 2010-09-30 2017-07-18 Fitbit, Inc. Tracking user physical activity with multiple devices
US9728059B2 (en) 2013-01-15 2017-08-08 Fitbit, Inc. Sedentary period detection utilizing a wearable electronic device
US9730025B2 (en) 2010-09-30 2017-08-08 Fitbit, Inc. Calendar integration methods and systems for presentation of events having combined activity and location information
US9730619B2 (en) 2010-09-30 2017-08-15 Fitbit, Inc. Methods, systems and devices for linking user devices to activity tracking devices
US9743443B2 (en) 2012-04-26 2017-08-22 Fitbit, Inc. Secure pairing of devices via pairing facilitator-intermediary device
US9778280B2 (en) 2010-09-30 2017-10-03 Fitbit, Inc. Methods and systems for identification of event data having combined activity and location information of portable monitoring devices
US9795323B2 (en) 2010-09-30 2017-10-24 Fitbit, Inc. Methods and systems for generation and rendering interactive events having combined activity and location information
US9801547B2 (en) 2010-09-30 2017-10-31 Fitbit, Inc. Portable monitoring devices for processing applications and processing analysis of physiological conditions of a user associated with the portable monitoring device
US9819754B2 (en) 2010-09-30 2017-11-14 Fitbit, Inc. Methods, systems and devices for activity tracking device data synchronization with computing devices
RU177561U1 (en) * 2017-02-14 2018-03-01 Игорь Юрьевич Лапушкин LED lamp
RU2646071C1 (en) * 2014-05-20 2018-03-06 Филипс Лайтинг Холдинг Б.В. Lighting or exposure system with conformal coating
US9965059B2 (en) 2010-09-30 2018-05-08 Fitbit, Inc. Methods, systems and devices for physical contact activated display and navigation
US10004406B2 (en) 2010-09-30 2018-06-26 Fitbit, Inc. Portable monitoring devices for processing applications and processing analysis of physiological conditions of a user associated with the portable monitoring device
RU2661592C1 (en) * 2017-03-29 2018-07-17 Компонентэлити Ойю Method of assembling device for displaying graphic and text information and device produced by this method
US10080530B2 (en) 2016-02-19 2018-09-25 Fitbit, Inc. Periodic inactivity alerts and achievement messages
US10700774B2 (en) 2019-01-25 2020-06-30 Fitbit, Inc. Adaptive data transfer using bluetooth

Cited By (60)

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US7766531B2 (en) 2006-03-29 2010-08-03 3M Innovative Properties Company Edge-lit optical display with fluted optical plate
US20140159894A1 (en) * 2006-09-26 2014-06-12 Fitbit, Inc. Personal Activity Tracking Device
US10010750B2 (en) 2006-09-26 2018-07-03 Fitbit, Inc. Personal activity tracking system
US9421448B2 (en) 2006-09-26 2016-08-23 Fitbit, Inc. Methods for detecting and recording activity and devices for performing the same
WO2008085161A1 (en) * 2007-01-09 2008-07-17 Lighting Panels, Llc Backlight panel and manufacturing method thereof
WO2009017435A1 (en) * 2007-07-30 2009-02-05 Zapolskij Sergej Aleksandrovic Method for producing artistic decorative articles in the form of panels (variants)
WO2009123495A1 (en) * 2008-04-03 2009-10-08 Basargin Oleg Sergeevich Display device
RU2474755C1 (en) * 2008-12-09 2013-02-10 Шарп Кабусики Кайся Light source unit, lighting device, display device and television set
RU2488033C1 (en) * 2009-06-15 2013-07-20 Шарп Кабусики Кайся Lighting device, display device and tv receiver
RU2502915C2 (en) * 2009-07-02 2013-12-27 Шарп Кабусики Кайся Lighting device, display device and television set
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RU2544197C2 (en) * 2009-09-24 2015-03-10 Конинклейке Филипс Электроникс Н.В Wall-mounted or ceiling-mounted lining material
US9778280B2 (en) 2010-09-30 2017-10-03 Fitbit, Inc. Methods and systems for identification of event data having combined activity and location information of portable monitoring devices
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US10126998B2 (en) 2010-09-30 2018-11-13 Fitbit, Inc. Motion-activated display of messages on an activity monitoring device
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US9615215B2 (en) 2010-09-30 2017-04-04 Fitbit, Inc. Methods and systems for classification of geographic locations for tracked activity
US9639170B2 (en) 2010-09-30 2017-05-02 Fitbit, Inc. Motion-activated display of messages on an activity monitoring device
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US9646481B2 (en) 2010-09-30 2017-05-09 Fitbit, Inc. Alarm setting and interfacing with gesture contact interfacing controls
US9965059B2 (en) 2010-09-30 2018-05-08 Fitbit, Inc. Methods, systems and devices for physical contact activated display and navigation
US9658066B2 (en) 2010-09-30 2017-05-23 Fitbit, Inc. Methods and systems for geo-location optimized tracking and updating for events having combined activity and location information
US9669262B2 (en) 2010-09-30 2017-06-06 Fitbit, Inc. Method and systems for processing social interactive data and sharing of tracked activity associated with locations
US9672754B2 (en) 2010-09-30 2017-06-06 Fitbit, Inc. Methods and systems for interactive goal setting and recommender using events having combined activity and location information
US9819754B2 (en) 2010-09-30 2017-11-14 Fitbit, Inc. Methods, systems and devices for activity tracking device data synchronization with computing devices
US9692844B2 (en) 2010-09-30 2017-06-27 Fitbit, Inc. Methods, systems and devices for automatic linking of activity tracking devices to user devices
US10588519B2 (en) 2010-09-30 2020-03-17 Fitbit, Inc. Portable monitoring devices for processing applications and processing analysis of physiological conditions of a user associated with the portable monitoring device
US9801547B2 (en) 2010-09-30 2017-10-31 Fitbit, Inc. Portable monitoring devices for processing applications and processing analysis of physiological conditions of a user associated with the portable monitoring device
US9730025B2 (en) 2010-09-30 2017-08-08 Fitbit, Inc. Calendar integration methods and systems for presentation of events having combined activity and location information
US9730619B2 (en) 2010-09-30 2017-08-15 Fitbit, Inc. Methods, systems and devices for linking user devices to activity tracking devices
US9795323B2 (en) 2010-09-30 2017-10-24 Fitbit, Inc. Methods and systems for generation and rendering interactive events having combined activity and location information
US9712629B2 (en) 2010-09-30 2017-07-18 Fitbit, Inc. Tracking user physical activity with multiple devices
US9409439B2 (en) 2010-10-08 2016-08-09 3D Lighting Fx Inc. Wall mounted, three dimensional, visual display element
US10118438B2 (en) 2010-10-08 2018-11-06 3D Lighting Fx Inc. Wall mounted, three dimensional, visual display element
US10330297B2 (en) 2010-12-22 2019-06-25 Signify Holding B.V. Lighting device and method for manufacturing a lighting device
RU2614135C2 (en) * 2010-12-22 2017-03-23 Филипс Лайтинг Холдинг Б.В. Lighting device and method of lighting device production
US9655053B2 (en) 2011-06-08 2017-05-16 Fitbit, Inc. Wireless portable activity-monitoring device syncing
US9743443B2 (en) 2012-04-26 2017-08-22 Fitbit, Inc. Secure pairing of devices via pairing facilitator-intermediary device
US10575352B2 (en) 2012-04-26 2020-02-25 Fitbit, Inc. Secure pairing of devices via pairing facilitator-intermediary device
US10187918B2 (en) 2012-04-26 2019-01-22 Fitbit, Inc. Secure pairing of devices via pairing facilitator-intermediary device
US20140007474A1 (en) * 2012-07-09 2014-01-09 Nicholas G Varveris Thin-wall panel modular light box sign and display
US9390637B2 (en) * 2012-07-09 2016-07-12 Nicholas G Varveris Thin-wall panel modular light box sign and display
US10497246B2 (en) 2013-01-15 2019-12-03 Fitbit, Inc. Sedentary period detection utilizing a wearable electronic device
US9728059B2 (en) 2013-01-15 2017-08-08 Fitbit, Inc. Sedentary period detection utilizing a wearable electronic device
US9672715B2 (en) 2014-02-27 2017-06-06 Fitbit, Inc. Notifications on a user device based on activity detected by an activity monitoring device
US9420083B2 (en) 2014-02-27 2016-08-16 Fitbit, Inc. Notifications on a user device based on activity detected by an activity monitoring device
US10109175B2 (en) 2014-02-27 2018-10-23 Fitbit, Inc. Notifications on a user device based on activity detected by an activity monitoring device
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