# US 9,518,710 B2 · Electronic flameless candle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,518,710 B2 - Document ID: US9518710B2 - Status: Granted - Kind: B2 - Application number: 15/158,508 - Filed: 2016-05-18 - Published: 2016-09-08 - Granted: 2016-12-13 - Earliest claimed: 2013-03-15 - Applicants: Xiaofeng Li - Inventors: Xiaofeng Li - Web page: https://patentgrep.com/patent/US9518710B2 ## CPC - F21S 10/04: simulating flames - A61L 9/03: Apparatus therefor - F21S 6/001: {candle-shaped} - F21S 9/02: the power supply being a battery or accumulator - F21S 10/043: {by selectively switching fixed light sources} - F21V 23/04: the elements being switches (safety devices F21V25/00) - F21V 23/0471: {the sensor detecting the proximity, the presence or the movement of an object or a person} - F21V 33/0088: {Ventilating systems (lighting fixtures combined with outlets for air treatment systems F24F13/078)} - F21V 33/0092: {with heating or cooling devices} - A61L 2209/111: Sensor means, e.g. motion, brightness, scent, contaminant sensors - A61L 2209/12: Lighting means - A61L 2209/133: Replaceable cartridges, refills - F21W 2121/00: Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00 - F21Y 2101/00: Point-like light sources - F21Y 2113/13: comprising an assembly of point-like light sources - F21Y 2115/10: Light-emitting diodes [LED] - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS - F21Y: INDEXING 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 EMITTED ## Abstract An electronic flameless candle including a body having a top surface, a bottom surface, a sidewall between the top surface and the bottom surface, and a cavity defined by the top surface, the bottom surface and the sidewall, the body configured in shape and size to simulate a true flame candle. The candle may also include a light source operably connected to the body, the light source electrically operated to illuminate in a way that simulates a natural flicker of a real candle flame. The candle may also include a scent component, operably connected to the body, the scent component configured to emit a scent when heated and/or a sensor component, operably connected to the body, the sensor component configured to sense an environmental condition and affect a mode of the light source upon the sensing of the environmental condition. ## Claims ### Claim 1 A removable fragrance cartridge for use in an imitation candle device, the removable fragrance cartridge comprising: a top surface including one or more holes to provide one or more pathways for diffusion of a fragrance from an interior of the fragrance cartridge to an area outside of the fragrance cartridge, the top surface including a plurality of surface features to further assist with diffusion of the fragrance; a bottom surface; an outer sidewall extending between the top surface and the bottom surface; an opening in the top surface defined by an inner sidewall extending between the top surface and the bottom surface, the opening formed at a central location of the fragrance cartridge such that, upon placement into the imitation candle device, the opening is positioned below an illuminated element protruding from a top section of the imitation candle device; and a chamber defined by the top surface, the bottom surface, the inner sidewall, and the outer sidewall, wherein the chamber comprises one or more fragrance materials. ### Claim 2 (depends on 1) The removable fragrance cartridge of claim 1, wherein the one or more holes are shaped as a circular opening. ### Claim 3 (depends on 1) The removable fragrance cartridge of claim 1, wherein the one or more holes have a diameter that is between five and ten percent of the outer diameter of the fragrance cartridge. ### Claim 4 (depends on 1) The removable fragrance cartridge of claim 1, wherein the one or more holes have a diameter between about two millimeters and twenty millimeters. ### Claim 5 (depends on 1) The removable fragrance cartridge of claim 1, further comprising one or more holes in the inner sidewall between the top surface and the bottom surface. ### Claim 6 (depends on 1) The removable fragrance cartridge of claim 1, further comprising one or more holes in the outer sidewall between the top surface and the bottom surface. ### Claim 7 (depends on 1) The removable fragrance cartridge of claim 1, wherein the opening extends through both the top and bottom surfaces. ### Claim 8 (depends on 1) The removable fragrance cartridge of claim 1, wherein the bottom surface is a flat surface. ### Claim 9 (depends on 1) The removable fragrance cartridge of claim 1, wherein the bottom surface has a plurality of surface features to allow secure placement of the fragrance cartridge within the imitation candle device. ### Claim 10 (depends on 1) The removable fragrance cartridge of claim 1, wherein the one or more fragrance materials is shaped as a disk for placement within the chamber. ### Claim 11 (depends on 1) The removable fragrance cartridge of claim 1, wherein the one or more fragrance materials is a fragrant liquid. ### Claim 12 (depends on 1) The removable fragrance cartridge of claim 1, wherein the top surface includes one or more gaps that separate at least some of the plurality of surface features. ### Claim 13 (depends on 1) The removable fragrance cartridge of claim 1, wherein the surface features include one or more of the following: a bump, a ridge, a protrusion, a channel, or a relief. ### Claim 14 (depends on 1) The removable fragrance cartridge of claim 1, further comprising a light. ### Claim 15 (depends on 1) The removable fragrance cartridge of claim 1, further comprising at least a section of a push button control switch. ### Claim 16 A flameless electronic candle, comprising: a body including a cavity for housing a plurality of components of the flameless electronic candle; one or more light sources operably configured in the body; a removable fragrance cartridge disposed within the flameless electronic candle, wherein the fragrance cartridge comprises, a top surface including one or more holes to provide one or more pathways for diffusion of a fragrance from an interior of the fragrance cartridge to an area outside of the fragrance cartridge, the top surface including a plurality of surface features to further assist with diffusion of the fragrance; a bottom surface; an outer sidewall extending between the top surface and the bottom surface; an opening in the top surface defined by an inner sidewall extending between the top surface and the bottom surface, the opening formed at a central location of the fragrance cartridge such that, upon placement into the imitation candle device, the opening is positioned below an illuminated element protruding from a top section of the imitation candle device; and a chamber defined by the top surface, the bottom surface, the inner sidewall, and the outer sidewall, wherein the chamber comprises one or more fragrance materials. ### Claim 17 (depends on 16) The flameless electronic candle of claim 16, further comprising, a push button control switch to allow the activation of a scent mode, wherein the push button control switch is at least partially extending outwardly from the fragrance cartridge. ### Claim 18 (depends on 16) The flameless electronic candle of claim 16, further comprising, a heating element thermally coupled to the fragrance cartridge to facilitate dissemination of the fragrance materials. ### Claim 19 (depends on 16) The removable fragrance cartridge of claim 16, wherein the one or more holes are shaped as a circular opening. ### Claim 20 (depends on 16) The removable fragrance cartridge of claim 16, wherein the one or more holes have a diameter that is between five and ten percent of the outer diameter of the fragrance cartridge. ### Claim 21 (depends on 16) The removable fragrance cartridge of claim 16, wherein the one or more holes have a diameter between about two millimeters and twenty millimeters. ### Claim 22 (depends on 16) The removable fragrance cartridge of claim 16, further comprising one or more holes in the outer sidewall between the top surface and the bottom surface. ### Claim 23 (depends on 16) The removable fragrance cartridge of claim 16, wherein the opening extends through both the top and bottom surfaces. ### Claim 24 (depends on 16) The removable fragrance cartridge of claim 16, wherein the bottom surface has a plurality of surface features to allow secure placement of the fragrance cartridge within the imitation candle device. ### Claim 25 (depends on 16) The removable fragrance cartridge of claim 16, wherein the one or more fragrance materials is shaped as a disk for placement within the chamber. ### Claim 26 (depends on 16) The removable fragrance cartridge of claim 16, wherein the one or more fragrance materials is a fragrant liquid. ### Claim 27 (depends on 16) The removable fragrance cartridge of claim 16, wherein the top surface includes one or more gaps that separate at least some of the plurality of surface features. ### Claim 28 (depends on 16) The removable fragrance cartridge of claim 16, wherein at least one of the one or more light sources is integrated as part of the fragrance cartridge. ### Claim 29 (depends on 16) The removable fragrance cartridge of claim 16, further comprising at least a section of a push button control switch.