# US 9,883,265 B2 · Wireless speaker and system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,883,265 B2 - Document ID: US9883265B2 - Status: Granted - Kind: B2 - Application number: 14/987,731 - Filed: 2016-01-04 - Published: 2016-07-07 - Granted: 2018-01-30 - Earliest claimed: 2015-01-05 - Assignees: Braven, Lc - Applicants: Braven LC - Inventors: John Craig Cheney; Andy Fathollahi; Bryan Richard Berrett - Web page: https://patentgrep.com/patent/US9883265B2 ## CPC - H04R 1/02: Casings; Cabinets {; Supports therefor;} Mountings therein (H04R1/28 takes precedence {; attachments for microphones H04R1/08; mounting of transducers in earpieces H04R1/1075}) - H04R 31/00: Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor {(manufacture of microstructural arrangements of deformable or non-deformable structures in general B81C1/00182)} - H04R 31/006: {Interconnection of transducer parts (of diaphragm and outer suspension by moulding H04R31/003)} - H04R 1/26: Spatial arrangements of separate transducers responsive to two or more frequency ranges - H04R 1/403: {loud-speakers} - H04R 3/12: for distributing signals to two or more loudspeakers {(specially adapted for hearing aids H04R25/407)} - H04R 5/02: Spatial or constructional arrangements of loudspeakers - H04R 5/04: Circuit arrangements, {e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments (combinations of amplifiers H03F3/68; stereophonic systems H04S)} - H04R 2201/025: Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet - H04R 2201/029: Manufacturing aspects of enclosures transducers - H04R 2420/03: Connection circuits to selectively connect loudspeakers or headphones to amplifiers - H04R 2420/07: Applications of wireless loudspeakers or wireless microphones - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract A wireless audio speaker system that includes a speaker main unit and multiple functions provided by exchangeable accessories is disclosed. The speaker main unit includes a top sleeve and a bottom sleeve that covers the external surface of a more internal enclosure that houses the main unit electronics and circuitry. External electrical and mechanical connectors are configured to be positioned on speaker unit and are adapted to being connected to the accessories. One external connector is positioned on the top sleeve for passing power and audio signals between the speaker main unit and an accessory component that is mounted to the top sleeve. A second connector is configured to be positioned on the bottom sleeve for passing audio signals between the speaker main unit and a second speaker that is stacked to the bottom sleeve via stacking plate. Multiple exchangeable accessory components are described to seamlessly supplement functionality and enhance user experience. ## Claims ### Claim 1 A wireless battery powered audio speaker system comprising: a first wireless battery powered audio speaker comprising: a housing; a mechanical interface connected to the housing and adapted to mechanically connect with an accessory component; a system controller positioned within the housing; a wireless module positioned within the housing and electrically connected to the system controller, the wireless module being configured to receive wireless signals from an external electronic device; an audio speaker mounted into the housing and electrically connected to the system controller; a first rechargeable battery positioned within the housing and electrically connected to the system controller; an input port mounted to the housing and electrically connected to the system controller, the input port being configured to receive power from an external source; a battery charging circuit positioned within the housing and electrically connected to the system controller and the first rechargeable battery, the battery charging circuit being configured to charge the first rechargeable battery when power is received through the input port; a first electrical interface separate from the mechanical interface, the first electrical interface connected to the housing and being adapted to electrically couple with the accessory component; and a second electrical interface separate from the mechanical interface and the first electrical interface, the second electrical interface connected to the housing and being adapted to communicate audio to an external device. ### Claim 2 (depends on 1) The wireless battery powered audio speaker system of claim 1, further comprising: a first accessory component that is configured to be detachably mountable to the first wireless battery powered audio speaker via at least one of the interfaces, the first accessory being adapted for providing a first predefined function; and a second accessory component that is configured to be detachably mountable to the first wireless battery powered audio speaker via at least one of the interfaces, the second accessory being adapted for providing a second predefined function that is different from the first predefined function. ### Claim 3 (depends on 1) The wireless battery powered audio speaker system of claim 1, wherein the first and second electrical interfaces are each comprised of electrical contact points and the first electrical interface includes a greater number of electrical contact points than the second electrical interface. ### Claim 4 (depends on 3) The wireless battery powered audio speaker system of claim 3, wherein the first electrical interface is configured to communicate both power and audio. ### Claim 5 (depends on 4) The wireless battery powered audio speaker system of claim 4, wherein the second electrical interface is configured on an opposing side of the housing from that of the first electrical interface. ### Claim 6 (depends on 1) The wireless battery powered audio speaker system of claim 1, further comprising a second wireless battery powered audio speaker identical to the first wireless battery powered audio speaker and an attachment accessory, wherein when the first wireless battery powered audio speaker is connected to the second wireless battery powered audio speaker, the second electrical interface of the first wireless battery powered audio speaker is electrically coupled to the first electrical interface of the second wireless battery powered audio speaker through the attachment accessory. ### Claim 7 (depends on 6) The wireless battery powered audio speaker system of claim 6, wherein the attachment accessory comprises a first electrical interface connected to a second electrical interface, the first electrical interface being adapted to electrically couple with the second interface of the first wireless battery powered audio speaker and the second electrical interface being adapted to electrically couple with the first electrical interface of the second wireless battery powered audio speaker, the attachment accessory being configured to mechanically engage with both the mechanical interface of the first wireless battery powered audio speaker and the mechanical interface of the second wireless battery powered audio speaker. ### Claim 8 (depends on 6) The wireless battery powered audio speaker system of claim 6, wherein the system controller of the first wireless battery powered audio speaker communicates audio to the second wireless battery powered audio speaker through the second electrical interface of the first wireless battery powered audio speaker. ### Claim 9 (depends on 8) The wireless battery powered audio speaker system of claim 8, wherein audio communicated to the second wireless battery powered audio speaker is received through the first electrical interface of the second wireless battery powered audio speaker. ### Claim 10 (depends on 2) The wireless battery powered audio speaker system of claim 2, wherein the first accessory component and second accessory component are each configured to be fixedly attached to the mechanical interface and to electrically couple with the first electrical interface. ### Claim 11 (depends on 2) The wireless battery powered audio speaker system of claim 2, wherein the first predefined function of the first accessory component supplements the functionality of the first wireless battery powered audio speaker when the first accessory component is mounted to the first wireless battery powered audio speaker. ### Claim 12 (depends on 11) The wireless battery powered audio speaker system of claim 11, wherein the second predefined function of the second accessory component supplements the functionality of the first wireless battery powered audio speaker when the second accessory component is mounted to the first wireless battery powered audio speaker. ### Claim 13 (depends on 2) The speaker system of claim 2, wherein the first accessory comprises a solar panel and circuitry configured to transfer power to the first rechargeable battery through the first electrical interface. ### Claim 14 (depends on 2) The speaker system of claim 2, wherein the first accessory comprises a wireless charging pad and circuitry configured to wirelessly charge an electronic device, the wireless charging pad being configured to transfer power from the internal base battery through the first electrical interface. ### Claim 15 (depends on 2) The speaker system of claim 2, wherein the first accessory comprises a second rechargeable battery and circuitry configured to transfer power from the second rechargeable battery to the first rechargeable battery through the first electrical interface. ### Claim 16 (depends on 2) The speaker system of claim 2, wherein the first accessory comprises a light emitting element and circuitry configured to illuminate the light emitting element with power being provided by the first rechargeable battery through the first electrical interface. ### Claim 17 (depends on 1) The wireless battery powered audio speaker system of claim 1, wherein the contact points of the first electrical interface and the second electrical interface are female contact pads. ### Claim 18 A wireless battery powered audio speaker system comprising: first and second battery powered audio speakers, each separately comprising: a housing; a mechanical interface connected to the housing and adapted to mechanically connect with an accessory component; a system controller positioned within the housing; a wireless module positioned within the housing and electrically connected to the system controller, the wireless module being configured to receive wireless signals from an external electronic device; an audio speaker mounted into the housing and electrically connected to the system controller; a first rechargeable battery positioned within the housing and electrically connected to the system controller; an input port mounted to the housing and electrically connected to the system controller, the input port being configured to receive power from an external source; a battery charging circuit positioned within the housing and electrically connected to the system controller and the first rechargeable battery, the battery charging circuit being configured to charge the first rechargeable battery when power is received through the input port; a first electrical interface separate from the mechanical interface, the first electrical interface connected to the housing and being comprised of a first quantity of female contact pads, the first electrical interface being adapted to electrically couple with the accessory component; and a second electrical interface separate from the mechanical interface and the first electrical interface, the second electrical interface connected to the housing and being comprised of a second quantity of female contact pads, the second quantity being fewer than the first quantity, the second electrical interface being adapted to communicate audio to an external device; an attachment accessory comprising: a first attachment electrical interface comprised of male connector pins, the first attachment electrical interface being adapted to electrically couple with the second electrical interface of the first wireless battery powered audio speaker; a second attachment electrical interface comprised of male connector pins, the second attachment electrical interface being adapted to electrically couple with the first electrical interface of the second wireless battery powered audio speaker; and wherein the attachment accessory is configured to mechanically engage with both the mechanical interface of the first wireless battery powered audio speaker and the mechanical interface of the second wireless battery powered audio speaker. ### Claim 19 A method of manufacturing a wireless battery powered audio speaker, comprising: providing a housing; connecting a mechanical interface to the housing, the mechanical interface being adapted to mechanically engage with an accessory components; positioning a system controller within the housing; positioning a wireless module within the housing, the wireless module being configured to receive wireless signals from an external electronic device; electrically connecting the wireless module to the system controller; mounting an audio speaker into the housing; electrically connecting the audio speaker to the system controller; positioning a first rechargeable battery within the housing; electrically connecting the first rechargeable battery to the system controller; mounting an input port to the housing, the input port being configured to receive power from an external source; electrically connecting the input port to the system controller; positioning a battery charging circuit within the housing, the battery charging circuit being configured to charge the first rechargeable battery when power is received through the input port; electrically connecting the battery charging circuit to the system controller; electrically connecting the battery charging circuit to the first rechargeable battery; positioning a first electrical interface separate from the mechanical interface on a first surface of the housing, the first electrical interface being adapted to electrically couple with the accessory component; electrically connecting the first electrical interface to the system controller; positioning a second electrical interface separate from the mechanical interface on a second surface of the housing, the second electrical interface being adapted to communicate audio to an external device; and electrically connecting the second electrical interface to the system controller.