# US 2023/0055486 A1 · Wired remote controller and power saving method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0055486 A1 - Document ID: US20230055486A1 - Status: Published application - Kind: A1 - Application number: 17/980,066 - Filed: 2022-11-03 - Published: 2023-02-23 - Earliest claimed: 2020-07-01 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Rakchung JUNG; Doyeon KIM; Taebok HUR - Web page: https://patentgrep.com/patent/US20230055486A1 ## CPC - F24F 11/46: Improving electric energy efficiency or saving - G05B 19/042: using digital processors (G05B19/05 takes precedence) - F24F 11/52: Indication arrangements, e.g. displays - F24F 11/56: Remote control - F24F 11/64: using pre-stored data - G05B 15/02: electric - H04Q 9/00: Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom - F24F 2140/60: Energy consumption - G05B 2219/2614: HVAC, heating, ventillation, climate control - G08C 19/00: Electric signal transmission systems (G08C17/00 takes precedence) - H05B 47/105: in response to determined parameters - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) - H04Q: SELECTING (switches, relays, selectors H01H; wireless communication networks H04W) - G08C: TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmitting systems F15B; mechanical means for transferring the output of a sensing member into a different variable G01D5/00; mechanical control systems G05G) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract A wired remote controller is provided. The wired remote controller includes a display panel, a wired interface that is connected to an indoor unit by wire, a memory in which information on a power capacity for each indoor unit model is stored, and a processor that receives power from the indoor unit through the wired interface and communicates with the indoor unit through the wired interface, wherein the processor is configured to receive information on power consumption of the indoor unit through the wired interface, identify a power capacity corresponding to the indoor unit based on the information on the power capacity stored in the memory, and adjust the brightness of the display panel based on the identified power capacity and the received power consumption of the indoor unit. ## Claims ### Claim 1 A wired remote controller for controlling an indoor unit, the wired remote controller comprising: a display panel; a wired interface that is connected to the indoor unit by wire; a memory in which information on a power capacity for each indoor unit model is stored; and a processor that receives power from the indoor unit through the wired interface and communicates with the indoor unit through the wired interface, wherein the processor is configured to: receive information on power consumption of the indoor unit through the wired interface, identify a power capacity corresponding to the indoor unit based on the information on the power capacity stored in the memory, and adjust brightness of the display panel based on the identified power capacity and the received power consumption of the indoor unit. ### Claim 2 (depends on 1) The wired remote controller of claim 1, wherein the processor is further configured to: calculate power consumption of the wired remote controller, reduce the brightness of the display panel when a value obtained by subtracting the received power consumption of the indoor unit and the calculated power consumption of the wired remote controller from the identified power capacity is out of a critical range, and increase the brightness of the display panel when the subtracted value is within the critical range. ### Claim 3 (depends on 1) The wired remote controller of claim 1, wherein, when a plurality of wired remote controllers are connected to the indoor unit and the wired remote controller operates as a master remote controller among the plurality of wired remote controllers, the processor is further configured to adjust the brightness of the display panel of each of the plurality of wired remote controllers based on a total number of wired remote controllers connected to the indoor unit. ### Claim 4 (depends on 3) The wired remote controller of claim 3, wherein, when the processor is connected to the indoor unit through the wired interface, the processor is further configured to: transmit a start-up response to the indoor unit; and operate as a master or a slave according to a transmission order of the start-up response between the plurality of wired remote controllers connected to the indoor unit. ### Claim 5 (depends on 3) The wired remote controller of claim 3, wherein the processor is further configured to: receive information on power consumption of other wired remote controllers among the plurality of wired remote controllers through the wired interface; calculate a total power consumption of the plurality of wired remote controllers by summing the power consumption of the other wired remote controllers and the power consumption of the wired remote controller; reduce the brightness of the display panel of each of the plurality of wired remote controllers when a value obtained by subtracting the power consumption of the indoor unit and the total power consumption of the plurality of wired remote controllers from the identified power capacity is out of a critical range; and increase the brightness of the display panel of each of the plurality of wired remote controllers when the subtracted value is within the critical range. ### Claim 6 (depends on 1) The wired remote controller of claim 1, wherein the processor is further configured to: receive information on the indoor unit model through the wired interface; and identify a power capacity corresponding to the received information on the model based on information stored in the memory. ### Claim 7 (depends on 6) The wired remote controller of claim 6, wherein, when at least one of the information on the indoor unit model and the information on the power capacity corresponding to the information on the model is not stored in the memory, the processor is further configured to request the information on the power capacity of the indoor unit through the wired interface. ### Claim 8 (depends on 1) The wired remote controller of claim 1, wherein the processor is further configured to: set the brightness of the display panel to 50% during initial communication with the indoor unit; and increase or decrease the brightness of the display panel by more than 50% based on the identified power capacity and the received power consumption of the indoor unit. ### Claim 9 (depends on 3) The wired remote controller of claim 3, wherein the processor is further configured to adjust a communication cycle between the indoor unit and other wired remote controllers among the plurality of wired remote controllers based on the total number of wired remote controllers connected to the indoor unit. ### Claim 10 (depends on 3) The wired remote controller of claim 3, wherein the processor is further configured to: turn off the display panel when no user manipulation is input to the wired remote controller for a preset waiting time while the display panel is turned on; and adjust the waiting time based on the number of wired remote controllers connected to the indoor unit. ### Claim 11 A power saving method for a wired remote controller connected to an indoor unit through a wired interface, the power saving method comprising: receiving information on power consumption of the indoor unit through the wired interface; identifying a power capacity corresponding to the indoor unit based on pre-stored information on power capacity for each indoor unit model; and adjusting brightness of a display panel provided in the wired remote controller based on the identified power capacity, power consumption of the wired remote controller, and the received power consumption of the indoor unit. ### Claim 12 (depends on 11) The power saving method of claim 11, wherein the adjusting of the brightness of the display panel includes: calculating the power consumption of the wired remote controller; calculating a value obtained by subtracting the received power consumption of the indoor unit and the calculated power consumption of the wired remote controller from the identified power capacity; decreasing the brightness of the display panel when the value is out of a critical range; and increasing the brightness of the display panel when the value is within the critical range. ### Claim 13 (depends on 11) The power saving method of claim 11, further comprising: adjusting the brightness of the display panel of each of a plurality of wired remote controllers based on a total number of wired remote controllers connected to the indoor unit when a plurality of wired remote controllers are connected to the indoor unit and the wired remote controller operates as a master remote controller among the plurality of wired remote controllers. ### Claim 14 (depends on 13) The power saving method of claim 13, further comprising: transmitting a startup response to the indoor unit when connected to the indoor unit through the wired interface; and receiving a status of the master remote controller from the indoor unit based on a transmission order of a start-up response among the plurality of wired remote controllers connected to the indoor unit. ### Claim 15 (depends on 13) The power saving method of claim 13, further comprising: receiving information on power consumption of other wired remote controllers among the plurality of wired remote controllers through the wired interface; calculating a total power consumption of the plurality of wired remote controllers by summing the power consumption of the other wired remote controllers and the power consumption of the wired remote controller; reducing the brightness of the display panel of each of the plurality of wired remote controllers when a value obtained by subtracting the power consumption of the indoor unit and the total power consumption of the plurality of wired remote controllers from the identified power capacity is out of a critical range; and increasing the brightness of the display panel of each of the plurality of wired remote controllers when the subtracted value is within the critical range.