# US 2023/0053396 A1 · Methods, apparatuses, and systems for power control on vehicle mounted rfid system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0053396 A1 - Document ID: US20230053396A1 - Status: Published application - Kind: A1 - Application number: 18/045,771 - Filed: 2022-10-11 - Published: 2023-02-23 - Earliest claimed: 2020-02-27 - Assignees: Intermec IP Corp. - Applicants: Intermec IP Corp. - Inventors: Bruce MORTON; Rene MARTINEZ; Richard BLAIR - Web page: https://patentgrep.com/patent/US20230053396A1 ## CPC - G06K 7/10217: {parameter settings controlling the transmission power of the interrogator} - B60R 16/033: characterised by the use of electrical cells or batteries (for propulsion puposes B60K1/04; supplying batteries to, or removing batteries from, vehicles B60S5/06; testing of charge state G01R31/36) - B60R 16/04: Arrangement of batteries - G06F 1/263: {Arrangements for using multiple switchable power supplies, e.g. battery and AC (G06F1/30 takes precedence)} - H04W 52/0206: {in access points, e.g. base stations} - B60L 1/00: Supplying electric power to auxiliary equipment of vehicles (circuit arrangements for charging batteries H02J7/00) - Y02D 30/70: in wireless communication networks - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract Vehicle mounted Radio Frequency Identification (RFID) systems and associated methods are provided. An example vehicle mounted RFID system is configured to operate an RFID system in a high-power mode. The example vehicle mounted RFID system is further configured to determine that an operating state of a vehicle switched from an active charging state to an inactive state. The example vehicle mounted RFID system is further configured to, in response to determine that the operating state of the vehicle switched from the active charging state to the inactive state, initialize a timer for a period of time. The example vehicle mounted RFID system is further configured to, in response to an elapse of the period of time, switch the RFID system to a low-power mode. ## Claims ### Claim 1 A method for operating a vehicle mounted Radio Frequency Identification (RFID) system, the method comprising: operating the vehicle mounted RFID system in a high-power mode; determining that an operating state of a vehicle is switched from an active charging state to an inactive state; in response to determining that the operating state of the vehicle is switched from the active charging state to the inactive state, initializing a timer for a period of time; and in response to an elapse of the period of time, switching the vehicle mounted RFID system to a low-power mode, wherein, in the low-power mode, the vehicle mounted RFID system is configured to receive signals from a motion sensor of the vehicle and a voltage detector of the vehicle. ### Claim 2 (depends on 1) The method of claim 1 further comprising: receiving the signal from the motion sensor indicative of a detected motion in the vehicle; in response to receiving the signal indicative of the detected motion, switching the vehicle mounted RFID system to the high-power mode; and re-initializing the timer for the period of time. ### Claim 3 (depends on 1) The method of claim 1 further comprising: determining that the operating state of the vehicle switched to the active charging state or an active noncharging state; and in response to determining that the operating state of the vehicle switched to the active charging state or the active noncharging state, switching the vehicle mounted RFID system to the high-power mode. ### Claim 4 (depends on 1) The method of claim 1, wherein the vehicle is in the active charging state when an engine of the vehicle is on, and wherein the vehicle is in the inactive state when the engine of the vehicle is off. ### Claim 5 (depends on 1) The method of claim 1, wherein determining that the operating state of the vehicle switched from the active charging state to the inactive state comprises using the voltage detector to monitor a vehicle battery associated with the vehicle. ### Claim 6 (depends on 1) The method of claim 1 wherein the vehicle mounted RFID system is powered by a backup battery connected to a vehicle battery associated with the vehicle in the low-power mode, and wherein the method further comprises: causing the backup battery to start charging from the vehicle battery in response to determining that the operating state of the vehicle switched to the active charging state. ### Claim 7 (depends on 6) The method of claim 6, wherein the method further comprises: causing the backup battery to stop charging from the vehicle battery in response to determining that the operating state of the vehicle switched to the inactive state. ### Claim 8 (depends on 1) The method of claim 1, wherein the vehicle mounted RFID system is configured to transmit an interrogation signal to a plurality of RFID tags associated with a plurality of items loaded in the vehicle in the high-power mode. ### Claim 9 (depends on 8) The method of claim 8, further comprising receiving a response from an RFID tag of the plurality of RFID tags, in response to the interrogation signal. ### Claim 10 (depends on 1) The method of claim 1, wherein determining that the operating state of the vehicle is switched from the active charging state to the inactive state comprises receiving a signal from a Global Positioning System (GPS) unit coupled to the vehicle mounted RFID system. ### Claim 11 A vehicle mounted Radio Frequency Identification (RFID) system configured to: operate the vehicle mounted RFID system in a high-power mode; determine that an operating state of a vehicle is switched from an active charging state to an inactive state; in response to determine that the operating state of the vehicle is switched from the active charging state to the inactive state, initialize a timer for a period of time; and in response to an elapse of the period of time, switch the vehicle mounted RFID system to a low-power mode, wherein, in the low-power mode, the vehicle mounted RFID system is configured to receive signals from a motion sensor of the vehicle and a voltage detector of the vehicle. ### Claim 12 (depends on 11) The vehicle mounted RFID system of claim 11, further configured to: receive the signal from the motion sensor indicative of a detected motion in the vehicle; in response to receiving the signal indicative of the detected motion, switch the vehicle mounted RFID system to the high-power mode; and re-initialize the timer for the period of time. ### Claim 13 (depends on 11) The vehicle mounted RFID system of claim 11, further configured to: determine that the operating state of the vehicle switched to the active charging state or an active noncharging state; and in response to determining that the operating state of the vehicle switched to the active charging state or the active noncharging state, switch the vehicle mounted RFID system to the high-power mode. ### Claim 14 (depends on 11) The vehicle mounted RFID system of claim 11, wherein the vehicle is in the active charging state when an engine of the vehicle is on, and wherein the vehicle is in the inactive state when the engine of the vehicle is off. ### Claim 15 (depends on 11) The vehicle mounted RFID system of claim 11, wherein determining that the operating state of the vehicle switched from the active charging state to the inactive state comprises using the voltage detector to monitor a vehicle battery associated with the vehicle. ### Claim 16 (depends on 11) The vehicle mounted RFID system of claim 11, wherein the vehicle mounted RFID system is powered by a backup battery connected to a vehicle battery associated with the vehicle in the low-power mode, and wherein the vehicle mounted RFID system is further configured to: cause the backup battery to start charging from the vehicle battery in response to determining that the operating state of the vehicle switched to the active charging state. ### Claim 17 (depends on 16) The vehicle mounted RFID system of claim 16, further configured to: cause the backup battery to stop charging from the vehicle battery in response to determining that the operating state of the vehicle switched to the inactive state. ### Claim 18 (depends on 11) The vehicle mounted RFID system of claim 11, wherein the vehicle mounted RFID system in the high-power mode is configured to transmit an interrogation signal to a plurality of RFID tags associated with a plurality of items loaded in the vehicle. ### Claim 19 (depends on 18) The vehicle mounted RFID system of claim 18, further configured to receive a response from an RFID tag of the plurality of RFID tags, in response to the interrogation signal. ### Claim 20 (depends on 11) The vehicle mounted RFID system of claim 11, wherein the vehicle mounted RFID system is coupled to a Global Positioning System (GPS) unit, and wherein determining that the operating state of the vehicle is switched from the active charging state to the inactive state comprises receiving a signal from the Global Positioning System (GPS) unit.