# US 2014/0197690 A1 · Battery, power supply apparatus and electronic apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0197690 A1 - Document ID: US20140197690A1 - Status: Published application - Kind: A1 - Application number: 14/150,933 - Filed: 2014-01-09 - Published: 2014-07-17 - Earliest claimed: 2013-01-17 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Ja-goun KOO - Web page: https://patentgrep.com/patent/US20140197690A1 ## CPC - H02J 9/061: {for DC powered loads} - G06F 1/30: Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations (for resetting only G06F1/24) - G06F 1/263: {Arrangements for using multiple switchable power supplies, e.g. battery and AC (G06F1/30 takes precedence)} - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract An electronic apparatus including an RT/CMOS DATA logic unit which stores Real-Time Clock information and CMOS information, and a battery having a power terminal to supply main power used in the electronic apparatus and a signal terminal for data communication with the electronic apparatus, and when the main power is turned off, supplies power to the RT/CMOS DATA logic unit through the signal terminal to maintain operations of the RT/CMOS DATA logic unit. ## Claims ### Claim 1 An electronic apparatus comprising: an RT/CMOS DATA logic unit to store Real-Time Clock information and CMOS information; and a battery including a power terminal to supply main power used in the electronic apparatus and a signal terminal for data communication with the electronic apparatus, and, when the main power is turned off, the battery supplies power to the RT/CMOS DATA logic unit through the signal terminal to maintain operations of the RT/CMOS DATA logic unit. ### Claim 2 (depends on 1) The electronic apparatus according to claim 1, further comprising a power supply controller to enable power supplied from the power terminal or the signal terminal to be provided to the RT/CMOS DATA logic unit, according to on/off state of the main power. ### Claim 3 (depends on 2) The electronic apparatus according to claim 2, wherein the power supply controller provides the power supplied from the signal terminal to the RT/CMOS DATA logic unit when the main power is turned off, and provides the power supplied from the power terminal to the RT/CMOS DATA logic unit when the main power is turned on. ### Claim 4 (depends on 3) The electronic apparatus according to claim 3, wherein the power supply controller comprises: a first diode of which an anode end is connected to a line connected to the signal terminal and of which a cathode end is connected to a line connected to the RT/CMOS DATA logic unit; and a second diode of which an anode end is connected to a line connected to the power terminal and of which a cathode end is connected to a line connected to the RT/CMOS DATA logic unit. ### Claim 5 (depends on 1) The electronic apparatus according to claim 1, wherein the battery further comprises: at least one battery cell; a pull up resistance to provide power supplied from the at least one battery cell to the signal terminal; a switching device connected to the at least one battery cell; and a battery manager to control the switching device to control supply of main power through the power terminal, and controls the switching device to supply power to the RT/CMOS DATA logic unit through the signal terminal or to perform the data communication. ### Claim 6 (depends on 5) The electronic apparatus according to claim 5, wherein the resistance is characterized to be provided inside the battery manager. ### Claim 7 (depends on 1) The electronic apparatus according to claim 1, wherein the battery is characterized to be an internal pack battery. ### Claim 8 (depends on 1) The electronic apparatus according to claim 1, wherein data communication between the battery and the electronic apparatus is performed using an I2C (Inter Integrated Circuit) communication method. ### Claim 9 A battery used in an electronic apparatus, the battery comprising: at least one battery cell; a power terminal to supply main power to the electronic apparatus; a signal terminal to perform data communication between the battery and the electronic apparatus or to supply power to an RT/CMOS DATA logic unit which stores Real-Time Clock information and CMOS information; a pull up resistance to provide power supplied from the at least one battery cell to the signal terminal; and a battery manager to supply power to the RT/CMOS DATA logic unit through the signal terminal when the main power is turned off, and to perform data communication between the battery and the electronic apparatus through the signal terminal when the main power is turned on. ### Claim 10 (depends on 9) The battery according to claim 9, wherein the resistance is characterized to be provided inside the battery manager. ### Claim 11 A battery usable in an electronic apparatus, the battery comprising: at least one battery cell; a first power terminal to supply main power to the electronic apparatus; and a second power terminal to supply power to an RT/CMOS DATA logic unit which stores Real-Time Clock information and CMOS information, wherein the second terminal is a terminal which supplies power to the RT/CMOS DATA logic unit to maintain operations of the RT/CMOS DATA logic unit regardless of on/off state of the main power. ### Claim 12 A power supply apparatus to supply power to an RT/CMOS DATA logic unit which stores Real-Time Clock information and CMOS information, the power supply apparatus comprising: a battery to store power; and a power supply controller to control power supply to the RT/CMOS DATA logic unit, using power supplied from the battery, wherein the battery comprises: a signal terminal to perform data communication between the battery and the electronic apparatus or to supply power to the RT/CMOS DATA logic unit; and a power terminal to supply main power to the electronic apparatus, and the power supply controller enables power supplied from the power terminal or the signal terminal to be provided to the RT/CMOS DATA logic unit, according to on/off state of the main power. ### Claim 13 (depends on 12) The power supply apparatus according to claim 12, wherein the power supply controller provides the power supplied from the signal terminal to the RT/CMOS DATA logic unit when the main power is turned off, and provides the power supplied from the power terminal to the RT/CMOS DATA logic unit when the main power is turned on. ### Claim 14 An electronic apparatus, comprising: a battery having a power terminal to output a main power, and a signal terminal to selectively output data and a sub-power. ### Claim 15 (depends on 14) The electronic apparatus according to claim 14, wherein the battery further comprises one or more battery cells to generate a battery power, and a voltage level reducer to reduce a voltage level of the battery power to output the sub-power. ### Claim 16 (depends on 14) The electronic apparatus according to claim 14, wherein the battery further comprises one or more battery cells to generate a battery power such that the one or more battery cells are selectively connected to either the power terminal or the signal terminal. ### Claim 17 (depends on 14) The electronic apparatus according to claim 14, wherein the battery further comprises a battery manager to selectively supply the main power to the power terminal and the sub-power to the signal terminal. ### Claim 18 (depends on 14) The electronic apparatus according to claim 14, wherein the battery exclusively outputs one of the data and the sub-power. ### Claim 19 (depends on 14) The electronic apparatus according to claim 14, wherein the battery exclusively outputs one of the main power and the sub-power. ### Claim 20 (depends on 14) The electronic apparatus according to claim 14, wherein the battery simultaneously outputs the main power and the data.