# US 2013/0154798 A1 · Electronic device and display method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0154798 A1 - Document ID: US20130154798A1 - Status: Published application - Kind: A1 - Application number: 13/433,757 - Filed: 2012-03-29 - Published: 2013-06-20 - Earliest claimed: 2011-12-19 - Assignees: Inventec Corporation - Inventors: Chia-Hsiang Chen - Web page: https://patentgrep.com/patent/US20130154798A1 ## CPC - G01R 31/3025: {Wireless interface with the DUT} - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) ## Abstract An electronic device and a display method are provided. The electronic device includes a light emitting unit, an input switch, a power control unit, a register data storage unit and a signal control module. The input switch is configured to produce a switch signal and an address signal. The power control unit is configured to transmit power status data. The register data storage unit is configured to provide corresponding register data according to the address signal. The signal control module is electrically coupled to the light emitting unit, the power control unit, the register data storage unit and the input switch, and is configured to selectively receive the register data from the register data storage unit or the power status data from the power control unit according to the switch signal, and transmit the selected data to the light emitting unit. ## Claims ### Claim 1 An electronic device, comprising: a light emitting unit; an input switch configured to produce a switch signal and an address signal; a power control unit configured to transmit power status data; a register data storage unit configured to provide corresponding register data according to the address signal; and a signal control module electrically coupled to the light emitting unit, the power control unit, the register data storage unit and the input switch, and configured to selectively receive the register data from the register data storage unit or the power status data from the power control unit according to the switch signal, and transmit the selected data to the light emitting unit. ### Claim 2 (depends on 1) The electronic device according to claim 1, wherein the signal control module comprises: a selecting unit, electrically coupled to the input switch, and configured to receive the switch signal, and selectively transmit the power status data or the register data to the light emitting unit. ### Claim 3 (depends on 2) The electronic device according to claim 2, wherein the signal control module further comprises: a data register, electrically coupled to the register data storage unit and the selecting unit, and configured to temporarily store the register data; and a power status register, electrically coupled to the power control unit and the selecting unit, and configured to temporarily store the power status data. ### Claim 4 (depends on 2) The electronic device according to claim 2, wherein the selecting unit switches to be electrically coupled to the data register, or switches to be electrically coupled to the power status register according to the switch signal. ### Claim 5 (depends on 2) The electronic device according to claim 2, wherein the signal control module further comprises: a display data register, electrically coupled to the light emitting unit and the selecting unit, and configured to temporarily store an output of the selecting unit. ### Claim 6 (depends on 1) The electronic device according to claim 1, wherein the input switch comprises: a first input unit, configured to produce the switch signal; and a second input unit, configured to produce the address signal. ### Claim 7 A display method, using a light emitting unit to display internal status of an electronic device, wherein the electronic device comprises the light emitting unit, a power control unit, a register data storage unit and an input switch, the method comprising: producing a switch signal via the input switch; selecting the register data storage unit or the power control unit according to the switch signal; transmitting power status data of the power control unit to the light emitting unit, when selecting the power control unit; and transmitting register data of the register data storage unit to the light emitting unit, when selecting the register data storage unit. ### Claim 8 (depends on 7) The display method according to claim 7, further comprising: producing an address signal via the input switch; transmitting the address signal to the register data storage unit, so that the register data storage unit provides the corresponding register data to a data register; and transmitting the register data in the data register to the light emitting unit, when selecting the register data storage unit. ### Claim 9 An electronic device, comprising: an input switch configured to produce a switch signal and an address signal; a power control unit configured to transmit power status data; a register data storage unit configured to provide corresponding register data according to the address signal; and a signal control module electrically coupled to the power control unit, the register data storage unit and the input switch, and configured to selectively receive the register data from the register data storage unit or the power status data from the power control unit according to the switch signal, and output the selected data. ### Claim 10 (depends on 9) The electronic device according to claim 9, further comprises a light emitting unit electrically coupled to the signal control module for receiving the selected data from the signal control module. ### Claim 11 (depends on 10) The electronic device according to claim 10, wherein the signal control module comprises: a selecting unit electrically coupled to the input switch, and configured to receive the switch signal, and selectively transmit the power status data or the register data to the light emitting unit. ### Claim 12 (depends on 11) The electronic device according to claim 11, wherein the signal control module further comprises: a data register electrically coupled to the register data storage unit and the selecting unit, and configured to temporarily store the register data; and a power status register electrically coupled to the power control unit and the selecting unit, and configured to temporarily store the power status data. ### Claim 13 (depends on 11) The electronic device according to claim 11, wherein the selecting unit switches to be electrically coupled to the data register, or switches to be electrically coupled to the power status register according to the switch signal. ### Claim 14 (depends on 11) The electronic device according to claim 11, wherein the signal control module further comprises: a display data register electrically coupled to the light emitting unit and the selecting unit, and configured to temporarily store an output of the selecting unit. ### Claim 15 (depends on 9) The electronic device according to claim 9, wherein the input switch comprises: a first input unit configured to produce the switch signal; and a second input unit configured to produce the address signal.