# US 11,445,592 B2 · Intelligent lighting control power measurement apparatuses, systems, and methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,592 B2 - Document ID: US11445592B2 - Status: Granted - Kind: B2 - Application number: 16/092,915 - Filed: 2017-04-11 - Published: 2019-07-04 - Granted: 2022-09-13 - Earliest claimed: 2016-04-11 - Assignees: Savant Systems, LLC - Applicants: Savant Systems, Inc. - Inventors: Nicholas David Pennycooke - Web page: https://patentgrep.com/patent/US11445592B2 ## CPC - G01R 21/06: by measuring current and voltage (G01R21/08 - G01R21/133 take precedence) - G01R 19/22: using conversion of AC into DC - H05B 47/14: by determining electrical parameters of the light source - H05B 47/199: {Commissioning of light sources} - H01H 23/025: {Light-emitting indicators} - H01H 2300/03: Application domotique, e.g. for house automation, bus connected switches, sensors, loads or intelligent wiring - H05B 47/19: via wireless transmission - H05B 47/1965: {using handheld communication devices} - H05B 47/1975: {Gesture control} - H05B 47/1985: {Creation of lighting zones or scenes} - Y02B 20/40: Control techniques providing energy savings, e.g. smart controller or presence detection - Y02B 90/20: Smart grids as enabling technology in buildings sector (smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00) - Y04S 20/14: Protecting elements, switches, relays or circuit breakers - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract The present disclosure provides apparatuses and methods for measuring power for a lighting control system. The present disclosure provides apparatuses and methods for measuring power for a lighting control system. The includes a lighting control module configured to cause a transmission of a quantity of electrical power to a lighting circuit of a light fixture electrically connected to the lighting control module, a detector circuit positioned in the lighting control module, and a controller in electrical communication with the detector circuit. The controller is specially programmed to correlate a quantity of electrical power transmitted to the lighting circuit to the response of the lighting circuit. The controller is further programmed to determine a power correction factor based on the correlation between the quantity of electrical power transmitted and the response. The power correction factor is configured to alter the response of the lighting circuit to a predetermined value. ## Claims ### Claim 1 An apparatus for measuring power of a lighting control system comprising: a lighting control module configured to cause a transmission of a quantity of electrical power to a lighting circuit of a light bulb electrically connected to the lighting control module; a detector circuit positioned in the lighting control module, the detector circuit configured to sample an actual response of the lighting circuit to the transmission of the quantity of electrical power as a digital signal; and a controller in electrical communication with the detector circuit, the controller configured to execute program instructions to correlate the quantity of electrical power transmitted to the lighting circuit to the digital signal, the controller further configured to execute the program instructions to determine a power correction factor based on a correlation between an expected response of the lighting circuit to the quantity of electrical power transmitted and the actual response, wherein the expected response is based on a type of the light bulb according to a lookup table, and wherein the power correction factor is configured to alter the actual response of the lighting circuit to a predetermined value when applied according to the lookup table. ### Claim 2 (depends on 1) The apparatus according to claim 1, wherein the controller is configured to determine the power correction factor based on a current sensing measurement and a voltage sensing measurement of the actual response. ### Claim 3 (depends on 2) The apparatus according to claim 2, wherein the current sensing measurement and the voltage sensing measurement are measured along an electrical line connected to the lighting circuit. ### Claim 4 (depends on 1) The apparatus according to claim 1, wherein the actual response includes a measure of an electrical energy. ### Claim 5 (depends on 1) The apparatus according to claim 1, wherein the detector circuit includes at least one of a current sensor or a voltage sensor. ### Claim 6 (depends on 1) The apparatus according to claim 1, wherein where the detector circuit includes an optical sensor. ### Claim 7 (depends on 1) The apparatus according to claim 1, wherein the detector circuit is configured to measure a current consumption of the lighting circuit as the actual response. ### Claim 8 (depends on 1) The apparatus according to claim 1, wherein the detector circuit is configured to measure a power consumption as the actual response. ### Claim 9 (depends on 1) The apparatus according to claim 1, wherein the detector circuit is configured to measure a lumen output as the actual response. ### Claim 10 (depends on 1) The apparatus according to claim 1, wherein the power correction factor is configured to cause an estimated change in light output. ### Claim 11 (depends on 1) The apparatus according to claim 1, wherein the controller is further configured to execute the program instructions to cause the lighting control module to deliver a second quantity of electrical power to the lighting circuit based on the power correction factor. ### Claim 12 A method of measuring power for a lighting control system comprising: causing a lighting control module to transmit a first quantity of electrical power to a lighting circuit of a light bulb electrically connected to the lighting control module; sampling, via a detector circuit positioned in the lighting control module, an actual response of the lighting circuit to the transmission of the quantity of electrical power as a digital signal; correlating, by a controller in electrical communication with the detector circuit positioned in the lighting control module, an expected response of the lighting circuit to the quantity of electrical power transmitted to the lighting circuit to the digital signal, wherein the expected response is based on a type of the light bulb according to a lookup table; and determining, by the controller, a power correction factor based on a correlation between the expected response of the lighting circuit to the quantity of electrical power transmitted to the lighting circuit and the actual response of the lighting circuit, the power correction factor configured to alter the actual response of the lighting circuit to a predetermined value when applied according to the lookup table. ### Claim 13 (depends on 12) The method according to claim 12, wherein sampling the actual response includes measuring an electrical energy. ### Claim 14 (depends on 13) The method according to claim 13, wherein measuring an electrical energy includes measuring a current along an electrical line coupled to the lighting circuit. ### Claim 15 (depends on 13) The method according to claim 13, wherein measuring an electrical energy includes measuring a voltage along an electrical line coupled to the lighting circuit. ### Claim 16 (depends on 13) The method according to claim 13, wherein measuring an electrical energy includes measuring a current along an electrical line coupled to the lighting circuit and measuring a voltage along the electrical line coupled to the lighting circuit. ### Claim 17 (depends on 12) The method according to claim 12, wherein sampling the actual response includes measuring a lumen output from a bulb connected to the light fixture. ### Claim 18 (depends on 12) The method according to claim 12, wherein determining the power correction factor includes determining the predetermined value that causes a specific change in light output. ### Claim 19 (depends on 12) The method according to claim 12, further comprising causing the lighting control module to deliver a second quantity of electrical power to the lighting circuit based on the power correction factor. ### Claim 20 (depends on 12) The method according to claim 12, wherein the quantity of electrical power is a first quantity and further comprising causing a second transmission of a second quantity of electrical power to the lighting circuit based on the determination of the power correction factor, the second quantity distinct from the first quantity. ### Claim 21 (depends on 20) The method according to claim 20, wherein the second quantity of electrical power is greater than the first quantity of electrical power. ### Claim 22 (depends on 20) The method according to claim 20, wherein the second quantity of electrical power is less than the first quantity of electrical power. ### Claim 23 (depends on 12) The method according to claim 12, further comprising wirelessly receiving another correlation from another controller in another lighting control module positioned remote from the lighting control module.