# US 9,520,723 B2 · Power device having multiple plug assemblies > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,520,723 B2 - Document ID: US9520723B2 - Status: Granted - Kind: B2 - Application number: 14/875,382 - Filed: 2015-10-05 - Published: 2016-06-16 - Granted: 2016-12-13 - Earliest claimed: 2012-08-17 - Assignees: Advanced Charging Technologies, LLC - Applicants: Advanced Charging Technologies, LLC - Inventors: W.J. “Jim” Weaver, Jr.; Michael H. Freeman; Mitchael C. Freeman; Robert Dieter; Brian Santee; Roy Matthew Milner, II - Web page: https://patentgrep.com/patent/US9520723B2 ## CPC - H02M 1/10: Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC - H01R 13/6675: {with built-in power supply} - H01R 27/02: for simultaneous co-operation with two or more {dissimilar} counterparts - H01R 29/00: Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, {programmable connectors} - H01R 31/065: {with built-in electric apparatus} - H02M 3/07: using capacitors charged and discharged alternately by semiconductor devices with control electrode {, e.g. charge pumps} - H02M 3/33507: {with automatic control of the output voltage or current, e.g. flyback converters (H02M3/33561, H02M3/33569 take precedence)} - H02M 3/33592: {having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer} - H02M 3/3376: {with automatic control of output voltage or current} - H02M 7/217: using semiconductor devices only - H02M 1/0019: {the disturbance parameters being load current fluctuations} - H02M 1/08: Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters - H02M 7/05: {Capacitor coupled rectifiers} - Y02B 70/10: Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract A power device including a power circuit assembly, a first plug assembly, and a second plug assembly is described herein. The first plug assembly is coupled to the power circuit assembly for transmitting power from a power source to the power circuit assembly at a first voltage. The second plug assembly is coupled to the power circuit assembly for controllably transmitting power from the power source to the power circuit assembly at a second voltage and at a third voltage. ## Claims ### Claim 1 A power device, comprising: a power circuit assembly; a first plug assembly coupled to the power circuit assembly, the first plug assembly for transmitting input power from a power source to the power circuit assembly at a first voltage; a second plug assembly coupled to the power circuit assembly, the second plug assembly for transmitting input power from the power source to the power circuit assembly at a second voltage that is different from the first voltage; at least one power connector port for connecting the power circuit assembly to an electrical device, the at least one power connector port including a USB port; and a controller configured to operate the power circuit assembly to selectively receive power from the first and the second plug assemblies. ### Claim 2 (depends on 1) A power device in accordance with claim 1, further comprising a a second USB power connector port. ### Claim 3 (depends on 2) A power device in accordance with claim 2, wherein the controller is configured to operate the power device between a first operating mode wherein the first plug assembly transmits power to the power circuit assembly and a second operating mode wherein the second plug assembly transmits power to the power circuit assembly. ### Claim 4 (depends on 3) A power device in accordance with claim 3, further comprising a sensing assembly configured to sense a position of the first plug assembly, the controller is configured to operate the power device between the first operating mode and the second operating mode as a function of the sensed position of the first plug assembly. ### Claim 5 (depends on 4) A power device in accordance with claim 4, wherein the sensing assembly includes a magnet coupled to the first plug assembly and a hall effect sensor for sensing a magnetic field being generated by the magnet. ### Claim 6 (depends on 2) A power device in accordance with claim 2, wherein the power circuit assembly includes a plurality of switching devices coupled to a pair of capacitors. ### Claim 7 (depends on 6) A power device in accordance with claim 6, wherein the controller is configured to operate the power circuit assembly to deliver an output power signal at a voltage level that is less than a voltage level of the input power received from the power source. ### Claim 8 (depends on 1) A power device in accordance with claim 1, further comprising an input power disconnect assembly coupled to the first plug assembly and the power circuit assembly for transmitting input power from the first plug assembly to the power circuit assembly. ### Claim 9 (depends on 8) A power device in accordance with claim 8, wherein the input power disconnect assembly includes a TRIAC device, the TRIAC device being operated in an on-state to deliver input power from the first plug assembly to the power circuit assembly and an off-state to electrically disconnect the first plug assembly from the power circuit assembly. ### Claim 10 (depends on 1) A power device in accordance with claim 1, further comprising an LED circuit configured to operate an LED to notify a user of output power being delivered to the electrical device via the power circuit assembly. ### Claim 11 A power device, comprising: a housing; a power circuit assembly positioned within the housing; a first plug assembly coupled to the housing and configured to deliver input power from a power source to the power circuit assembly at a first voltage; a second plug assembly coupled to the housing and configured to deliver input power from the power source to the power circuit assembly at a second voltage that is different from the first voltage; at least one power connector port coupled to the housing for connecting the power circuit assembly to an electrical device, the at least one power connector port including a USB port; and a controller configured to operate the power circuit assembly to selectively receive power from the first and the second plug assemblies. ### Claim 12 (depends on 11) A power device in accordance with claim 11, further comprising a a second USB power connector port. ### Claim 13 (depends on 12) A power device in accordance with claim 12, wherein the controller is configured to operate the power device between a first operating mode wherein the first plug assembly transmits power to the power circuit assembly and a second operating mode wherein the second plug assembly transmits power to the power circuit assembly. ### Claim 14 (depends on 13) A power device in accordance with claim 13, further comprising a sensing assembly configured to sense a position of the first plug assembly, the controller is configured to operate the power device between the first operating mode and the second operating mode as a function of the sensed position of the first plug assembly. ### Claim 15 (depends on 14) A power device in accordance with claim 14, wherein the sensing assembly includes a magnet coupled to the first plug assembly and a hall effect sensor for sensing a magnetic field being generated by the magnet. ### Claim 16 (depends on 12) A power device in accordance with claim 12, wherein the power circuit assembly includes a plurality of switching devices coupled to a pair of capacitors, the controller is configured to operate the power circuit assembly to deliver an output power signal at a voltage level that is less than a voltage level of the input power received from the power source. ### Claim 17 (depends on 11) A power device in accordance with claim 11, further comprising an input power disconnect assembly coupled to the first plug assembly and the power circuit assembly for transmitting input power from the first plug assembly to the power circuit assembly. ### Claim 18 (depends on 17) A power device in accordance with claim 17, wherein the input power disconnect assembly includes a TRIAC device, the TRIAC device being operated in an on-state to deliver input power from the first plug assembly to the power circuit assembly and an off-state to electrically disconnect the first plug assembly from the power circuit assembly. ### Claim 19 (depends on 11) A power device in accordance with claim 11, further comprising an LED circuit configured to operate an LED to notify a user of output power being delivered to the electrical device via the power circuit assembly. ### Claim 20 A method of operating a power device for delivering input power from a power source to an electrical device, the method including steps of: receiving an input power signal at a power circuit assembly from a power source, the power circuit assembly including a controller, an electrical circuit, a first plug assembly coupled to an electrical circuit for transmitting input power from the power source to the electrical circuit at a first voltage, and a second plug assembly coupled to the electrical circuit for transmitting input power from the power source to the electrical circuit at a second voltage; the controller sensing a position of the first plug assembly; and the controller operating the electrical circuit in a first operating mode to receive the input power signal from the first plug assembly upon sensing the first plug assembly is in a first position; and the controller operating the electrical circuit in a second operating mode to receive the input power signal from the second plug assembly upon sensing the first plug assembly is in a second position.