# US 2020/0288000 A1 · Systems and methods for charging a mobile phone and a mobile phone cover > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0288000 A1 - Document ID: US20200288000A1 - Status: Published application - Kind: A1 - Application number: 16/884,663 - Filed: 2020-05-27 - Published: 2020-09-10 - Earliest claimed: 2018-05-07 - Assignees: STAR CO Scientific Technologies Advanced Research Co, LLC d/b/a STAR CO - Applicants: STAR CO Scientific Technologies Advanced Research Co, LLC d/b/a STAR CO - Inventors: Thomas E. Coverstone; Jason Montgomery - Web page: https://patentgrep.com/patent/US20200288000A1 ## CPC - H04M 1/026: {Details of the structure or mounting of specific components} - G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]} - G06F 1/1632: {External expansion units, e.g. docking stations} - G06F 1/1635: {Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter} - G06F 1/1654: {the display being detachable, e.g. for remote use} - G06F 1/263: {Arrangements for using multiple switchable power supplies, e.g. battery and AC (G06F1/30 takes precedence)} - H02J 7/342: {The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging (with circuits for polarity protection H02J7/68)} - H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones - H02J 7/731: {specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence)} - H02J 7/80: including monitoring or indicating arrangements - H02J 7/82: Control of state of charge [SOC] - H02J 7/865: {Battery or charger load switching, e.g. concurrent charging and load supply (H02J7/50 takes precedence)} - H04M 1/724092: {Interfacing with an external cover providing additional functionalities} - G06F 2200/1633: Protecting arrangement for the entire housing of the computer - H04M 1/0262: {for a battery compartment} - H04M 1/185: {Improving the shock resistance of the housing, e.g. by increasing the rigidity} - H04M 1/72412: using two-way short-range wireless interfaces - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract A battery in a mobile phone cover may be selectively charged according to a user-selectable parameter. When charged, the battery in the mobile phone cover may be used to charge a battery in a mobile phone. ## Claims ### Claim 1 A mobile phone, comprising: one or more processors configured to selectively couple a battery of a mobile phone cover to a charging interface according to a passthrough charging parameter. ### Claim 2 (depends on 1) The mobile phone according to claim 1, wherein the mobile phone cover comprises the charging interface. ### Claim 3 (depends on 1) The mobile phone according to claim 1, wherein the charging interface is configured to be operably coupled to an external power source. ### Claim 4 (depends on 1) The mobile phone according to claim 1, wherein the charging interface is configured to be operably coupled to a battery of the mobile phone, and wherein the charging interface is external to the mobile phone. ### Claim 5 (depends on 1) The mobile phone according to claim 1, wherein a battery of the mobile phone is operably coupled to the battery of the mobile phone cover. ### Claim 6 (depends on 1) The mobile phone according to claim 1, wherein the one or more processors are configured to provide a user interface associated with the passthrough charging parameter. ### Claim 7 (depends on 1) The mobile phone according to claim 1, wherein when the passthrough charging parameter is selected, a battery of the mobile phone is operably coupled to the charging interface and the battery of the mobile phone cover is decoupled from the charging interface. ### Claim 8 (depends on 1) The mobile phone according to claim 1, wherein when the passthrough charging parameter is deselected, a battery of the mobile phone is operably coupled to the charging interface and the battery of the mobile phone cover is operably coupled to the charging interface. ### Claim 9 (depends on 1) The mobile phone according to claim 1, wherein the one or more processors are configured to generate a warning if a flow of charge to the charging interface is below a threshold. ### Claim 10 (depends on 1) The mobile phone according to claim 1, wherein when a flow of charge to the charging interface is below a threshold, the one or more processors are configured to prioritize one of charging the battery of the mobile phone cover and charging a battery of the mobile phone, wherein the prioritization is selectable. ### Claim 11 A mobile phone cover, comprising: a cover charging circuit; and a cover battery, wherein: the cover charging circuit is configured to selectively couple the cover battery to an external power source according to a passthrough charging parameter. ### Claim 12 (depends on 11) The mobile phone cover according to claim 11, wherein the mobile phone cover is positioned around a mobile phone. ### Claim 13 (depends on 11) The mobile phone cover according to claim 11, wherein the cover charging circuit is operably coupled to a charging interface of a mobile phone. ### Claim 14 (depends on 11) The mobile phone cover according to claim 11, wherein the cover charging circuit is configured to operably couple a mobile phone battery to the external power source. ### Claim 15 (depends on 11) The mobile phone cover according to claim 11, wherein the cover charging circuit is configured to operably couple the cover battery to a mobile phone battery. ### Claim 16 (depends on 11) The mobile phone cover according to claim 11, wherein the passthrough charging parameter is selected via a mobile phone. ### Claim 17 (depends on 11) The mobile phone cover according to claim 11, wherein when the passthrough charging parameter is selected, a mobile phone battery is operably coupled to the external power source and the cover battery is decoupled from the external power source. ### Claim 18 (depends on 11) The mobile phone cover according to claim 11, wherein when the passthrough charging parameter is deselected, a mobile phone battery is operably coupled to the external power source and the cover battery is operably coupled to the external power source. ### Claim 19 (depends on 11) The mobile phone cover according to claim 11, wherein the cover charging circuit is configured to indicate when a flow of charge from the external power source is below a threshold. ### Claim 20 (depends on 11) The mobile phone cover according to claim 11, wherein when a flow of charge from the external power source is below a threshold, one of the cover battery and a mobile phone battery is selectively charged. ### Claim 21 (depends on 1) The mobile phone according to claim 1, wherein the passthrough charging parameter is selected via the mobile phone cover. ### Claim 22 (depends on 11) The mobile phone cover according to claim 11, wherein the passthrough charging parameter is selected via the mobile phone cover. ### Claim 23 A mobile application, comprising: a user interface configured to selectively couple a battery of a mobile phone cover to a charging interface according to a passthrough charging parameter. ### Claim 24 (depends on 23) The mobile application according to claim 23, wherein the mobile phone cover comprises the charging interface. ### Claim 25 (depends on 23) The mobile application according to claim 23, wherein the charging interface is configured to be operably coupled to an external power source. ### Claim 26 (depends on 23) The mobile application according to claim 23, wherein the charging interface is configured to be operably coupled to a battery of the mobile phone, and wherein the charging interface is external to the mobile phone. ### Claim 27 (depends on 23) The mobile application according to claim 23, wherein a battery of the mobile phone is operably coupled to the battery of the mobile phone cover. ### Claim 28 (depends on 23) The mobile application according to claim 23, wherein when the passthrough charging parameter is selected, a battery of the mobile phone is operably coupled to the charging interface and the battery of the mobile phone cover is decoupled from the charging interface. ### Claim 29 (depends on 23) The mobile application according to claim 23, wherein when the passthrough charging parameter is deselected, a battery of the mobile phone is operably coupled to the charging interface and the battery of the mobile phone cover is operably coupled to the charging interface. ### Claim 30 (depends on 23) The mobile application according to claim 23, wherein the mobile application is configured to generate a warning if a flow of charge to the charging interface is below a threshold. ### Claim 31 (depends on 23) The mobile application according to claim 23, wherein when a flow of charge to the charging interface is below a threshold, the mobile application is configured to prioritize one of charging the battery of the mobile phone cover and charging a battery of the mobile phone, wherein the prioritization is selectable. ### Claim 32 (depends on 23) The mobile phone cover according to claim 23, wherein the passthrough charging parameter is selected via the mobile phone cover.