US20220172520A1 - Self declaring device for a vehicle using restrict traffic lanes - Google Patents
Self declaring device for a vehicle using restrict traffic lanes Download PDFInfo
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- US20220172520A1 US20220172520A1 US17/671,454 US202217671454A US2022172520A1 US 20220172520 A1 US20220172520 A1 US 20220172520A1 US 202217671454 A US202217671454 A US 202217671454A US 2022172520 A1 US2022172520 A1 US 2022172520A1
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- wireless transceiver
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- occupancy
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
- G06K19/041—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
- G06K19/07345—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches
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- G—PHYSICS
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
- G06K19/07715—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being used to indicate that the record carrier is active, e.g. a blinking light to indicate that the record carrier is busy communicating with a secondary device or busy computing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/10—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
- G06Q20/102—Bill distribution or payments
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
Definitions
- the various embodiments described herein generally relate to wireless devices, and more particularly to a self-declaring wireless device to be used on a vehicle to automatically declare occupancy information.
- high occupancy vehicle (HOV) lanes or carpool lanes are generally restricted traffic lanes reserved for exclusive use by vehicles carrying two or more occupants typically during peak commute times.
- high occupancy toll (HOT) lanes are becoming a more prevalent feature on modern roadways.
- single occupancy vehicles (SOVs) may be able to pay a fee (e.g., toll) to travel on HOT lanes.
- a conventional HOT system relies on radio frequency identification (RFID) enabled electronic toll collection (ETC) readers and tags. To pay the required toll, an SOV motorist may be required to switch on an onboard ETC tag when entering a HOT lane. Despite oversight from law enforcement officials, motorists are nevertheless expected to comply with HOV/HOT rules under a self-imposed “honor system.” As such, HOV/HOT enforcement tends to be inconsistent, inconvenient, and ultimately ineffective.
- RFID radio frequency identification
- ETC electronic toll collection
- Embodiments described herein provide various examples of a self-declaring wireless device installed on a vehicle operable to automatically detect, determine and declare occupancy information of the vehicle traveling on a restricted traffic lane to an electronic toll collection (ETC) system.
- ETC electronic toll collection
- a self-declaring device installed on a vehicle includes a sensor module configured to collect data from inside the vehicle; a wireless transceiver configured to communicate with an electronic toll collection (ETC) system; and a microcontroller coupled to both the sensor module and the wireless transceiver and configured to: receive at least a portion of data collected by the sensor module; determine occupancy data based at least in part on the at least a portion of data; and change an operation state of the wireless transceiver based at least on the determined occupancy data.
- ETC electronic toll collection
- a process for performing self-declaration by a vehicle traveling on a restricted traffic lane includes: receiving sensor data collected by one or more sensors installed on the vehicle; determining occupancy data of the vehicle based at least on the received sensor data; and controlling a wireless transceiver installed on the vehicle to communicate with an electronic toll collection (ETC) system associated with the restricted traffic lane based at least on the determined occupancy data.
- ETC electronic toll collection
- FIG. 1 shows a block diagram of an exemplary self-declaring device in accordance with one embodiment described herein.
- FIG. 2 presents a flowchart illustrating a process for making a self-declaration by a vehicle equipped with the disclosed self-declaring device in accordance with one embodiment described he.
- FIGS. 3-5 are images illustrating an example switch tag configured in accordance with one embodiment.
- Embodiments described herein provide various examples of a self-declaring wireless device installed on a vehicle operable to automatically detect, determine and declare occupancy information of the vehicle traveling on a restricted traffic lane to an electronic toll collection (ETC) system. Comparing to a manual-declaring device, which operates based on an honor system, the disclosed self-declaring device can be fully automatic, highly reliable and accurate without relying on human honesty. Vehicles using the disclosed self-declaring wireless device can bypass visual checks by law enforcement. As a result, the disclosed self-declaring wireless device allows for consistent, convenient, and high effective HOV/HOT lane enforcement.
- ETC electronic toll collection
- a self-declaring device installed on a vehicle includes a sensor module configured to collect data from inside the vehicle; a wireless transceiver configured to communicate with an electronic toll collection (ETC) system; and a microcontroller coupled to both the sensor module and the wireless transceiver and configured to: receive at least a portion of data collected by the sensor module; determine occupancy data based at least in part on the at least a portion of data; and change an operation state of the wireless transceiver based at least on the determined occupancy data.
- ETC electronic toll collection
- a process for performing self-declaration by a vehicle traveling on a restricted traffic lane includes: receiving sensor data collected by one or more sensors installed on the vehicle; determining occupancy data of the vehicle based at least on the received sensor data; and controlling a wireless transceiver installed on the vehicle to communicate with an electronic toll collection (ETC) system associated with the restricted traffic lane based at least on the determined occupancy data.
- ETC electronic toll collection
- FIG. 1 shows a block diagram of an exemplary self-declaring device 100 in accordance with one embodiment described herein.
- self-declaring device 100 includes a sensor module 110 , a microcontroller 120 , and a wireless transceiver 130 , which are coupled to each other by wired connections, wireless connections, or a combination of both.
- Sensor module 110 can include one or more sensors including, but not limited to, a motion sensor, an infrared (IR) sensor, and an image sensor.
- sensor module 110 can detect and collect data inside the vehicle that can be used to determine a number of occupants in the vehicle. For example, if sensor module 110 includes a motion sensor, sensor module 110 can acquire motion information inside the vehicle.
- motion sensors that can be used within sensor module 110 can include any types of motion sensors which can detect human movement inside a vehicle, which can include, but are not limited to a passive IR sensor, a microwave sensor, an ultrasonic sensor, an acoustic sensor, and a vibration sensor.
- sensor module 110 can acquire IR images, such as thermal images inside the vehicle.
- sensor module 110 includes an image sensor, such as a CCD or CMOS camera, sensor module 110 can acquire optical images inside the vehicle.
- sensor module 110 can include more than one of the same type of sensors described above.
- sensor module 110 can include two or more motion sensors, two or more IR sensors, or two or more image sensors.
- sensor module 110 can include a combination of different types of sensors.
- sensor module 110 can include both an IR sensor and an optical image sensor. In this example, sensor module 110 can use the IR sensor to collect data inside the vehicle at night and use the optical image sensor to collect data inside the vehicle during the daytime.
- sensor module 110 is installed at a location in the vehicle such that the one or more sensors in sensor module 110 can detect intended signals from every seat inside the vehicle.
- sensor module 110 can be installed near an upper portion of the windshield. If sensor module 110 includes two or more sensors, the two or more sensors can be placed at the same location within the vehicle, or they can be placed at different locations within the vehicle. For example, if sensor module 110 includes two sensors, the first sensor can be installed in the front of the vehicle while the second sensor can be installed in the back of the vehicle.
- sensor module 110 can be configured to transmit at least some of the collected data to microcontroller 120 .
- sensor module 110 can transmit the collected data through a wired or wireless connection to microcontroller 120 .
- microcontroller 120 is implemented as a field-programmable gate array (FPGA) or one or more application specific integrated circuits (ASICs).
- microcontroller 120 is a microprocessor chip such as a CPU.
- microcontroller 120 is implemented as a System on Chip (SoC).
- SoC System on Chip
- microcontroller 120 is configured to receive the data detected and collected by sensor module 110 (or “sensor data” hereinafter) and to automatically determine a number of occupants in the vehicle based on the received sensor data. For example, if the sensor data include photographic images captured by an image sensor, microcontroller 120 can use an imaging processing module to process the photographic images to determine a number of occupants in the vehicle. In these embodiments, microcontroller 120 can further determine, based on determined number of occupants, whether the vehicle is an SOV or an HOV. In some embodiments, microcontroller 120 can also determine whether the number of occupants in the vehicle exceeds a minimum number of occupants required for a specific HOV lane access in a given jurisdiction.
- microcontroller 120 is further configured to control an operation of wireless transceiver 130 , including making a self-declaration to an ETC system.
- microcontroller 120 can change an operation state (e.g., on/off states) of wireless transceiver 130 based on the determined occupancy data.
- microcontroller 120 can be configured to change the operation state of wireless transceiver 130 so that wireless transceiver 130 can communicate relevant data, such as the determined number of occupants (i.e., making a self-declaration) and payment information, to a HOT lane reader.
- microcontroller 120 can be configured to control wireless transceiver 130 so that wireless transceiver 130 either does not self-declare to a HOT lane reader or only communicates the determined number of occupants to a HOT lane reader without making any payment.
- wireless transceiver 130 can operate at multiple frequencies, such as a high-frequency (HF) and an ultra-high frequency (UHF).
- microcontroller 120 can change the operation state of wireless transceiver 130 by changing the operation frequency of wireless transceiver 130 .
- microcontroller 120 can transmit the determined occupancy data (e.g., number of occupants, HOV compliance information) to wireless transceiver 130 .
- Wireless transceiver 130 can subsequently transmit at least a portion of the occupancy data to an ETC toll reader, such as a HOT lane reader.
- wireless transceiver 130 includes one or more wireless communication modules, which can include, but not limited to, a radio frequency identification (RFID) module (such as an RFID transponder), a WI-FI module, a ZigBee module, and a Bluetooth® module.
- RFID radio frequency identification
- wireless transceiver 130 is configured to both transmit data to and receive data from a corresponding reader (e.g., an ETC toll reader).
- Wireless transceiver 130 can use a wired or a wireless connection to receive commands and data from microcontroller 120 .
- wireless transceiver 130 can receive a command from microcontroller 120 to change an operation state, which can include an ON/OFF state.
- wireless transceiver 130 can be turned from an OFF state to an ON state to enable data transmission, including making self-declaration, after receiving a command from microcontroller 120 .
- wireless transceiver 130 can receive data from microcontroller 120 and to subsequently transmit at least a portion of the received data, including data for self-declaration.
- wireless transceiver 130 can receive determined occupancy data from microcontroller 120 and subsequently transmit the determined occupancy data to a HOT lane reader as self-declaration.
- Wireless transceiver 130 can be strategically positioned on a vehicle to facilitate communicating with an ETC toll reader.
- wireless transceiver 130 can be placed on the windshield or integrated with the license plate.
- wireless transceiver 130 includes an RFID transponder.
- Embodiments of an RFID-enabled license plate i.e., a license plate with the integrated wireless transceiver 130
- U.S. Pat. Nos. 8,344,890 and 9,007,215 and U.S. patent application Ser. No. 15/093,636 the disclosures of which are incorporated by reference herein in their entirety.
- sensor module 110 , microcontroller 120 , and wireless transceiver 130 can be coupled with each other via a wired and/or wireless connection.
- sensor module 110 , microcontroller 120 , and wireless transceiver 130 can be placed at different locations on the vehicle.
- sensor module 110 and/or the microcontroller 120 can be placed within the cabin of the vehicle while wireless transceiver 130 can be integrated into a front and/or rear license plate.
- sensor module 110 , microcontroller 120 , and wireless transceiver 130 are integrated into a single package inside a protective case.
- the self-declaration device 100 can be placed at a location on a vehicle to facilitate both the operation of sensor module 110 and the operation of wireless transceiver 130 .
- wireless transceiver 130 can include at least one RFID module configured to interface with multiple RFID systems at different frequencies. Multi-frequency RFID tags are described in Reissued U.S. Pat. Nos. RE 43,355 and RE 44,691, the disclosures of which are incorporated by reference herein in their respective entirety.
- microcontroller 120 can change the operation state of wireless transceiver 130 by changing the operation frequency of the wireless transceiver 130 .
- FIG. 2 presents a flowchart illustrating a process 200 for making a self-declaration by a vehicle equipped with self-declaring device 100 in accordance with one embodiment described herein.
- process 200 is specifically performed by microcontroller 120 within self-declaring device 100 , and is performed when the vehicle is traveling on a restricted traffic lane.
- process 200 begins with microcontroller 120 receiving at least a portion of sensor data collected by sensor module 110 installed on the vehicle (step 202 ).
- microcontroller 120 can receive the sensor data from one or more sensors included in sensor module 110 , which can include but not limited to, one or more motion sensors, one or more IR sensors, and one or more image sensors.
- sensor module 110 can detect and collect data inside the vehicle that can be used to determine a number of occupants in the vehicle.
- microcontroller 120 determines occupancy data of the vehicle based at least on the received sensor data (step 204 ). For example, microcontroller 120 can determine a number of occupants in the vehicle based on the sensor data. Microcontroller 120 can also determine, based on the received sensor data, whether the vehicle is an SOV or an HOV. In some embodiments, microcontroller 120 can also determine whether the determined number of occupants in the vehicle meets or exceeds a minimum number of occupants required for a specific HOT lane access in a given jurisdiction.
- microcontroller 120 controls wireless transceiver 130 to communicate with an ETC system associated with the restricted traffic lane based at least on the determined occupancy data (step 206 ).
- a self-declaration is included when the communication between wireless transceiver 130 and the ETC system includes transmitting occupancy information from transceiver 130 to the ETC system.
- controlling wireless transceiver 130 includes enabling the wireless transceiver to communicate with the ETC system by changing the operation state of wireless transceiver 130 .
- wireless transceiver 130 can be turned from an OFF state to an ON state to enable data transmission, including making self-declaration, after receiving a command from microcontroller 120 .
- microcontroller 120 can transmit the determined occupancy data (e.g., number of occupants, HOV compliance information) to wireless transceiver 130 .
- An enabled wireless transceiver 130 can subsequently transmit at least a portion of the occupancy data to the ETC system.
- microcontroller 120 enables wireless transceiver 130 if the determined number of occupants in the vehicle does not exceed the minimum number of occupants required by the restricted traffic lane. For example, if microcontroller 120 determines that the number of occupants in the vehicle is not greater than one (i.e., SOV), microcontroller 120 can change the operation state of wireless transceiver 130 such that wireless transceiver 130 can communicate with an HOT lane reader, for example, to transmit account information and/or exchanging payment information with the HOT lane reader.
- SOV i.e., SOV
- self-declaring device 100 can be used in one or more account management applications for the vehicle which is equipped with self-declaring device 100 .
- self-declaring device 100 can be used to track the vehicle for purposes of electronic tolling, parking access, and border control. Similar applications are described in U.S. patent Ser. No. 14/459,299, now U.S. Pat. No. 9,355,398 and U.S. patent application Ser. No. 15/167,829, the disclosure of which is incorporated herein by reference in its entirety.
- access to data on self-declaring device 100 can be granted based on a security key.
- the provision of secure identification solutions is described in U.S. Pat. Nos. 7,081,819, 7,671,746, 8,237,568, 8,322,044, and 8,004,410, the disclosures of which are incorporated by reference herein in their respective entirety.
- Some applications would require a placement of metallic material (e.g., retro-reflective material, holographic image) over self-declaring device 100 and in particular wireless transceiver 130 .
- metallic material e.g., retro-reflective material, holographic image
- a selective de-metallization process can be employed to treat the metallic material. Selective de-metallization is described in U.S. Pat. Nos. 7,034,688 and 7,463,154, the disclosures of which are incorporated by reference herein in their respective entirety.
- wireless transceiver module can actually comprise multiple modules configured to operate, e.g., at different frequencies depending on which module is activated or capable of transmitting. This is similar to transceiver 130 being configured to operate at different frequencies.
- transceiver 130 can be configured to switch frequencies based on the information gathered by sensor module 110 . Thus, of the occupancy is determined to be below that required by a HOT lane, then the transceiver module can use one frequency to communicate with a reader on the toll system. If, however, the occupancy is determined to meet or exceed the HOT lane requirements, then the transceiver 130 can communicate using another frequency.
- the dual frequencies can be in different bands, e.g., HF and UHF, or can simply be different frequencies within a single band.
- different bands can be used for different functions, e.g., tolling versus account management as described, e.g., in U.S. Pat. Nos. RE 43,355 and RE 44,691.
- tag 300 can operate substantially similar to the embodiments of the switch tags, e.g., described in the parent '196 application, which is incorporated herein by reference as if set forth in full. Specifically, tag 300 can operate in a similar fashion as that disclosed in FIG. 8 of the '196 application.
- tag 300 can comprise a single booster antenna and three RF modules. The modules can be positioned, e.g., at positions 302 , 304 and 306 within tag 300 .
- the single booster antenna can be positioned at one positon, e.g., positon 302 .
- the top potion 312 of the body of tag 300 can then be rotated, e.g., using gripping features 314 , 316 and 318 to bring the appropriate RF module into positon, such that it is coupled with the booster antenna.
- Each RF module can be configured to transmit different data to indicate a different status. For example, one module can be configured to transmit data indicating that the occupancy of the vehicle meets or exceeds that required by a HOT lane, while another can be to transmit data indicating that the occupancy does not meet or exceed that required by the HOT lane.
- the HOT lane may be configured such that different charges apply depending on the occupancy, such that there are multiple charge levels.
- each of the RF modules included in tag 300 can be associated with different occupancy levels or numbers and can therefore transmit information related to the associated occupancy levels or numbers. For example, one RF module can be associated with single occupancy, one with occupancy of 2 people, and the third with an occupancy of three people or more. A user can then rotate top portion 312 to the appropriate position based on the occupancy.
- tag 300 can comprise three booster antenna, e.g., configured to operate at different frequencies and single RF module. The different frequencies would then indicate the occupancy level or other settings associated with the positons 302 , 304 , and 306 , respectively.
- tag 300 can comprise a window 308 that is configured to reveal a color coded area 307 that is part of top portion 312 .
- portion 310 comprising window 308 remains still.
- Portion can then include colored areas 307 that are positioned such that a different colored area 307 comes to rest behind window 308 depending on which RF module, or booster antenna is in the operational position.
- red can be used to indicate single occupancy and green for multiple occupants. If there are different charges for, e.g., two occupants versus three or more, then a color can be associated with each of two occupants and three or more. The user would then rotate top portion 312 until the appropriate color are 307 appears behind window 308 .
- FIG. 4 illustrates a rear view of tag 300 in accordance with one embodiment.
- tag 300 is configured to be mounted in the window of a vehicle with the rear portion 324 facing outward from the vehicle.
- a mounting bracket or mechanism, such as bracket 322 can be used to mount tag 300 to the window.
- Bracket 322 can have adhesives, suction devices, Velcro, etc., attached thereto in order to achieve the mounting of tag 300 .
- Back portion 324 can be coupled with portion 310 on the reverse side, such that portions 310 and 324 do not rotate as top portion 312 is rotated.
- a window 326 can also be included in back portion 324 in order to reveal colored areas 320 on the back surface of top portion 312 .
- the colored areas 320 can match the coloring scheme associated with areas 307 on the front surface of top portion 312 . This can enable visual verification and enforcement for authorities. In other words, if a single occupant driver switches the positon of tag 300 to one that indicates multiple occupancy, then the colored area 320 behind window 326 will indicate multiple occupancy. An enforcement official can see the color through window 326 and can confirm whether it is appropriate. For this reason, window 326 is typically larger than window 308 , which is only viewed from within the vehicle.
- the windows can also be used to detect that the position of tag 300 is off, whether intentionally or not. For example, if the user has not fully rotated top portion 312 to the correct position, then colored are 307 and 320 will not be aligned behind windows 308 and 326 respectively, as illustrated in FIG. 5 , providing a visual indicator to both the occupants and enforcement officials that tag 300 is not operational, or appropriately positioned.
- a top surface of back portion 324 can also be color coded to help indicate misalignment to the occupants.
- the sensor information provided by sensor module 110 can be used to confirm the physical positon of a tag such as tag 300 .
- a tag such as tag 300
- the sensor data would not match the occupancy indication being provided by tag 300 .
- controller 120 to cause the RF module to transmit some type of error code that indicates that the occupancy information being transmitted is incorrect, or it may cause tag 300 not to transmit at all.
- wireless transceiver 130 may be separate from tag 300 and may transmit separate information that can be read and compared to that being communicated by tag 300 .
- the example apparatuses, methods, and systems disclosed herein can be applied wireless communication devices incorporating HF and/or UHF RFID reader capabilities.
- the various components illustrated in the figures may be implemented as, for example, but not limited to, software and/or firmware on a processor, ASIC/FPGA/DSP, or dedicated hardware.
- the features and attributes of the specific example embodiments disclosed above may be combined in different ways to form additional embodiments, all of which fall within the scope of the present disclosure.
- DSP digital signal processor
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- a general-purpose processor may be a microprocessor, but, in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine.
- a processor may also be implemented as a combination of receiver devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration. Alternatively, some steps or methods may be performed by circuitry that is specific to a given function.
- the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored as one or more instructions or code on a non-transitory computer-readable storage medium or non-transitory processor-readable storage medium. The steps of a method or algorithm disclosed herein may be embodied in processor-executable instructions that may reside on a non-transitory computer-readable or processor-readable storage medium. Non-transitory computer-readable or processor-readable storage media may be any storage media that may be accessed by a computer or a processor.
- non-transitory computer-readable or processor-readable storage media may include RAM, ROM, EEPROM, FLASH memory, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that may be used to store desired program code in the form of instructions or data structures and that may be accessed by a computer.
- Disk and disc includes compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk, and Blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above are also included within the scope of non-transitory computer-readable and processor-readable media.
- the operations of a method or algorithm may reside as one or any combination or set of codes and/or instructions on a non-transitory processor-readable storage medium and/or computer-readable storage medium, which may be incorporated into a computer program product.
Abstract
The present disclosure provides various examples of a self-declaring wireless device installed on a vehicle operable to automatically detect, determine and declare occupancy information of the vehicle traveling on a restricted traffic lane to an electronic toll collection (ETC) system. According to one aspect, a process for performing self-declaration by a vehicle traveling on a restricted traffic lane includes the steps of: receiving sensor data collected by one or more sensors installed on the vehicle; determining occupancy data of the vehicle based on the received sensor data; and controlling a wireless transceiver installed on the vehicle to communicate with an electronic toll collection (ETC) system associated with the restricted traffic lane based on the determined occupancy data.
Description
- This application is a Continuation application of U.S. patent application Ser. No. 16/983,834 filed Aug. 3, 2020, which is a Continuation application of U.S. patent application Ser. No. 16/539,764 filed Aug. 13, 2019, which is a Continuation application of U.S. patent application Ser. No. 16/147,114 filed Sep. 28, 2018, now U.S. Pat. No. 10,388,079 issued Aug. 20, 2019, which, in turn, is a Continuation-in-part application of U.S. patent application Ser. No. 15/225,779 filed Aug. 1, 2016, now U.S. Pat. No. 10,102,685 issued Oct. 16, 2018, which claims priority under 35 U.S.C. 119(e) to U.S. Patent Application No. 62/199,993 entitled “SELF DECLARING DEVICE” and filed on Aug. 1, 2015. U.S. patent application Ser. No. 15/225,779 also claims priority under U.S.C. 120 as a continuation of Ser. No. 14/578,196, entitled “RFID SWITCH TAG,” filed Dec. 19, 2014, now U.S. Pat. No. 9,582,746, issued Feb. 28, 2017, which in turn is a Continuation application of U.S. patent application Ser. No. 14/060,407, now U.S. Pat. No. 8,944,337, issued Feb. 3, 2015, entitled “RFID SWITCH TAG,” filed Oct. 22, 2013, which in turn is a Continuation application of U.S. patent application Ser. No. 13/465,834, now U.S. Pat. No. 8,561,911, issued Oct. 22, 2013, entitled “RFID SWITCH TAG,” filed May 7, 2012, which in turn claims priority to U.S. Provisional Patent Application Nos. 61/487,372 and 61/483,586, both entitled “RFID SWITCH TAG,” filed May 18, 2011 and May 6, 2011, respectively. The disclosures of the above application are incorporated by reference in their entirety as a part of this document.
- The various embodiments described herein generally relate to wireless devices, and more particularly to a self-declaring wireless device to be used on a vehicle to automatically declare occupancy information.
- In various jurisdictions around the world, high occupancy vehicle (HOV) lanes or carpool lanes are generally restricted traffic lanes reserved for exclusive use by vehicles carrying two or more occupants typically during peak commute times. Meanwhile, high occupancy toll (HOT) lanes are becoming a more prevalent feature on modern roadways. In contrast to HOV lanes, single occupancy vehicles (SOVs) may be able to pay a fee (e.g., toll) to travel on HOT lanes.
- A conventional HOT system relies on radio frequency identification (RFID) enabled electronic toll collection (ETC) readers and tags. To pay the required toll, an SOV motorist may be required to switch on an onboard ETC tag when entering a HOT lane. Despite oversight from law enforcement officials, motorists are nevertheless expected to comply with HOV/HOT rules under a self-imposed “honor system.” As such, HOV/HOT enforcement tends to be inconsistent, inconvenient, and ultimately ineffective.
- Embodiments described herein provide various examples of a self-declaring wireless device installed on a vehicle operable to automatically detect, determine and declare occupancy information of the vehicle traveling on a restricted traffic lane to an electronic toll collection (ETC) system.
- According to one aspect, a self-declaring device installed on a vehicle is provided. This self-declaring device includes a sensor module configured to collect data from inside the vehicle; a wireless transceiver configured to communicate with an electronic toll collection (ETC) system; and a microcontroller coupled to both the sensor module and the wireless transceiver and configured to: receive at least a portion of data collected by the sensor module; determine occupancy data based at least in part on the at least a portion of data; and change an operation state of the wireless transceiver based at least on the determined occupancy data.
- According to another aspect, a process for performing self-declaration by a vehicle traveling on a restricted traffic lane is provided. This process includes: receiving sensor data collected by one or more sensors installed on the vehicle; determining occupancy data of the vehicle based at least on the received sensor data; and controlling a wireless transceiver installed on the vehicle to communicate with an electronic toll collection (ETC) system associated with the restricted traffic lane based at least on the determined occupancy data.
- Other features and advantages of the present inventive concept should be apparent from the following description which illustrates by way of example aspects of the present inventive concept.
- The structure and operation of the present disclosure will be understood from a review of the following detailed description and the accompanying drawings in which like reference numerals refer to like parts and in which:
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FIG. 1 shows a block diagram of an exemplary self-declaring device in accordance with one embodiment described herein. -
FIG. 2 presents a flowchart illustrating a process for making a self-declaration by a vehicle equipped with the disclosed self-declaring device in accordance with one embodiment described he. -
FIGS. 3-5 are images illustrating an example switch tag configured in accordance with one embodiment. - While certain embodiments are described, these embodiments are presented by way of example only, and are not intended to limit the scope of the embodiments described or claims included herein. The methods and systems described herein may be embodied in a variety of other forms. Furthermore, various omissions, substitutions, and changes in the form of the example methods and systems described herein may be made without departing from the scope of protection.
- Embodiments described herein provide various examples of a self-declaring wireless device installed on a vehicle operable to automatically detect, determine and declare occupancy information of the vehicle traveling on a restricted traffic lane to an electronic toll collection (ETC) system. Comparing to a manual-declaring device, which operates based on an honor system, the disclosed self-declaring device can be fully automatic, highly reliable and accurate without relying on human honesty. Vehicles using the disclosed self-declaring wireless device can bypass visual checks by law enforcement. As a result, the disclosed self-declaring wireless device allows for consistent, convenient, and high effective HOV/HOT lane enforcement.
- According to one aspect, a self-declaring device installed on a vehicle is provided. This self-declaring device includes a sensor module configured to collect data from inside the vehicle; a wireless transceiver configured to communicate with an electronic toll collection (ETC) system; and a microcontroller coupled to both the sensor module and the wireless transceiver and configured to: receive at least a portion of data collected by the sensor module; determine occupancy data based at least in part on the at least a portion of data; and change an operation state of the wireless transceiver based at least on the determined occupancy data.
- According to another aspect, a process for performing self-declaration by a vehicle traveling on a restricted traffic lane is provided. This process includes: receiving sensor data collected by one or more sensors installed on the vehicle; determining occupancy data of the vehicle based at least on the received sensor data; and controlling a wireless transceiver installed on the vehicle to communicate with an electronic toll collection (ETC) system associated with the restricted traffic lane based at least on the determined occupancy data.
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FIG. 1 shows a block diagram of an exemplary self-declaringdevice 100 in accordance with one embodiment described herein. Referring toFIG. 1 , self-declaringdevice 100 includes asensor module 110, amicrocontroller 120, and awireless transceiver 130, which are coupled to each other by wired connections, wireless connections, or a combination of both. -
Sensor module 110 can include one or more sensors including, but not limited to, a motion sensor, an infrared (IR) sensor, and an image sensor. When self-declaringdevice 100 is installed on a vehicle,sensor module 110 can detect and collect data inside the vehicle that can be used to determine a number of occupants in the vehicle. For example, ifsensor module 110 includes a motion sensor,sensor module 110 can acquire motion information inside the vehicle. Note that motion sensors that can be used withinsensor module 110 can include any types of motion sensors which can detect human movement inside a vehicle, which can include, but are not limited to a passive IR sensor, a microwave sensor, an ultrasonic sensor, an acoustic sensor, and a vibration sensor. Alternatively, ifsensor module 110 includes an IR sensor,sensor module 110 can acquire IR images, such as thermal images inside the vehicle. Alternatively, ifsensor module 110 includes an image sensor, such as a CCD or CMOS camera,sensor module 110 can acquire optical images inside the vehicle. In some embodiments,sensor module 110 can include more than one of the same type of sensors described above. For example,sensor module 110 can include two or more motion sensors, two or more IR sensors, or two or more image sensors. In other embodiments,sensor module 110 can include a combination of different types of sensors. For example,sensor module 110 can include both an IR sensor and an optical image sensor. In this example,sensor module 110 can use the IR sensor to collect data inside the vehicle at night and use the optical image sensor to collect data inside the vehicle during the daytime. - In some embodiments,
sensor module 110 is installed at a location in the vehicle such that the one or more sensors insensor module 110 can detect intended signals from every seat inside the vehicle. For example,sensor module 110 can be installed near an upper portion of the windshield. Ifsensor module 110 includes two or more sensors, the two or more sensors can be placed at the same location within the vehicle, or they can be placed at different locations within the vehicle. For example, ifsensor module 110 includes two sensors, the first sensor can be installed in the front of the vehicle while the second sensor can be installed in the back of the vehicle. - In various embodiments,
sensor module 110 can be configured to transmit at least some of the collected data tomicrocontroller 120. For example,sensor module 110 can transmit the collected data through a wired or wireless connection tomicrocontroller 120. In some embodiments,microcontroller 120 is implemented as a field-programmable gate array (FPGA) or one or more application specific integrated circuits (ASICs). In other embodiments,microcontroller 120 is a microprocessor chip such as a CPU. In some embodiments,microcontroller 120 is implemented as a System on Chip (SoC). - In some embodiments,
microcontroller 120 is configured to receive the data detected and collected by sensor module 110 (or “sensor data” hereinafter) and to automatically determine a number of occupants in the vehicle based on the received sensor data. For example, if the sensor data include photographic images captured by an image sensor,microcontroller 120 can use an imaging processing module to process the photographic images to determine a number of occupants in the vehicle. In these embodiments,microcontroller 120 can further determine, based on determined number of occupants, whether the vehicle is an SOV or an HOV. In some embodiments,microcontroller 120 can also determine whether the number of occupants in the vehicle exceeds a minimum number of occupants required for a specific HOV lane access in a given jurisdiction. - In some embodiments,
microcontroller 120 is further configured to control an operation ofwireless transceiver 130, including making a self-declaration to an ETC system. For example,microcontroller 120 can change an operation state (e.g., on/off states) ofwireless transceiver 130 based on the determined occupancy data. In one embodiment, if it is determined bymicrocontroller 120 that the number of occupants in the vehicle does not meet or exceed the minimum number of occupants required by an HOT lane,microcontroller 120 can be configured to change the operation state ofwireless transceiver 130 so thatwireless transceiver 130 can communicate relevant data, such as the determined number of occupants (i.e., making a self-declaration) and payment information, to a HOT lane reader. Alternatively, if it is determined bymicrocontroller 120 that the number of occupants in the vehicle does meet or exceeds the minimum number of occupants required by a HOT lane,microcontroller 120 can be configured to controlwireless transceiver 130 so thatwireless transceiver 130 either does not self-declare to a HOT lane reader or only communicates the determined number of occupants to a HOT lane reader without making any payment. - According to one exemplary embodiment,
wireless transceiver 130 can operate at multiple frequencies, such as a high-frequency (HF) and an ultra-high frequency (UHF). In this embodiment,microcontroller 120 can change the operation state ofwireless transceiver 130 by changing the operation frequency ofwireless transceiver 130. Alternately or in addition, in some embodiments,microcontroller 120 can transmit the determined occupancy data (e.g., number of occupants, HOV compliance information) towireless transceiver 130.Wireless transceiver 130 can subsequently transmit at least a portion of the occupancy data to an ETC toll reader, such as a HOT lane reader. - In some embodiments,
wireless transceiver 130 includes one or more wireless communication modules, which can include, but not limited to, a radio frequency identification (RFID) module (such as an RFID transponder), a WI-FI module, a ZigBee module, and a Bluetooth® module. In one embodiment,wireless transceiver 130 is configured to both transmit data to and receive data from a corresponding reader (e.g., an ETC toll reader).Wireless transceiver 130 can use a wired or a wireless connection to receive commands and data frommicrocontroller 120. As mentioned above,wireless transceiver 130 can receive a command frommicrocontroller 120 to change an operation state, which can include an ON/OFF state. For example,wireless transceiver 130 can be turned from an OFF state to an ON state to enable data transmission, including making self-declaration, after receiving a command frommicrocontroller 120. Moreover,wireless transceiver 130 can receive data frommicrocontroller 120 and to subsequently transmit at least a portion of the received data, including data for self-declaration. For example,wireless transceiver 130 can receive determined occupancy data frommicrocontroller 120 and subsequently transmit the determined occupancy data to a HOT lane reader as self-declaration.Wireless transceiver 130 can be strategically positioned on a vehicle to facilitate communicating with an ETC toll reader. For example,wireless transceiver 130 can be placed on the windshield or integrated with the license plate. In some embodiments,wireless transceiver 130 includes an RFID transponder. - Embodiments of an RFID-enabled license plate (i.e., a license plate with the integrated wireless transceiver 130) are described in U.S. Pat. Nos. 8,344,890 and 9,007,215, and U.S. patent application Ser. No. 15/093,636 the disclosures of which are incorporated by reference herein in their entirety.
- It will be appreciated that
sensor module 110,microcontroller 120, andwireless transceiver 130 can be coupled with each other via a wired and/or wireless connection. As such, in some embodiments,sensor module 110,microcontroller 120, andwireless transceiver 130 can be placed at different locations on the vehicle. For example,sensor module 110 and/or themicrocontroller 120 can be placed within the cabin of the vehicle whilewireless transceiver 130 can be integrated into a front and/or rear license plate. In other embodiments,sensor module 110,microcontroller 120, andwireless transceiver 130 are integrated into a single package inside a protective case. In these embodiments, the self-declaration device 100 can be placed at a location on a vehicle to facilitate both the operation ofsensor module 110 and the operation ofwireless transceiver 130. - In some embodiments,
wireless transceiver 130 can include at least one RFID module configured to interface with multiple RFID systems at different frequencies. Multi-frequency RFID tags are described in Reissued U.S. Pat. Nos. RE 43,355 and RE 44,691, the disclosures of which are incorporated by reference herein in their respective entirety. According to one exemplary embodiment,microcontroller 120 can change the operation state ofwireless transceiver 130 by changing the operation frequency of thewireless transceiver 130. -
FIG. 2 presents a flowchart illustrating aprocess 200 for making a self-declaration by a vehicle equipped with self-declaringdevice 100 in accordance with one embodiment described herein. In some embodiments,process 200 is specifically performed bymicrocontroller 120 within self-declaringdevice 100, and is performed when the vehicle is traveling on a restricted traffic lane. - As can be seen in
FIG. 2 ,process 200 begins withmicrocontroller 120 receiving at least a portion of sensor data collected bysensor module 110 installed on the vehicle (step 202). For example,microcontroller 120 can receive the sensor data from one or more sensors included insensor module 110, which can include but not limited to, one or more motion sensors, one or more IR sensors, and one or more image sensors. As mentioned above,sensor module 110 can detect and collect data inside the vehicle that can be used to determine a number of occupants in the vehicle. - Next in
process 200,microcontroller 120 determines occupancy data of the vehicle based at least on the received sensor data (step 204). For example,microcontroller 120 can determine a number of occupants in the vehicle based on the sensor data.Microcontroller 120 can also determine, based on the received sensor data, whether the vehicle is an SOV or an HOV. In some embodiments,microcontroller 120 can also determine whether the determined number of occupants in the vehicle meets or exceeds a minimum number of occupants required for a specific HOT lane access in a given jurisdiction. - Next in
process 200,microcontroller 120controls wireless transceiver 130 to communicate with an ETC system associated with the restricted traffic lane based at least on the determined occupancy data (step 206). Note that in step 206, a self-declaration is included when the communication betweenwireless transceiver 130 and the ETC system includes transmitting occupancy information fromtransceiver 130 to the ETC system. In some embodiments, controllingwireless transceiver 130 includes enabling the wireless transceiver to communicate with the ETC system by changing the operation state ofwireless transceiver 130. For example,wireless transceiver 130 can be turned from an OFF state to an ON state to enable data transmission, including making self-declaration, after receiving a command frommicrocontroller 120. To enable self-declaration in step 206,microcontroller 120 can transmit the determined occupancy data (e.g., number of occupants, HOV compliance information) towireless transceiver 130. Anenabled wireless transceiver 130 can subsequently transmit at least a portion of the occupancy data to the ETC system. - In some embodiments,
microcontroller 120 enableswireless transceiver 130 if the determined number of occupants in the vehicle does not exceed the minimum number of occupants required by the restricted traffic lane. For example, ifmicrocontroller 120 determines that the number of occupants in the vehicle is not greater than one (i.e., SOV),microcontroller 120 can change the operation state ofwireless transceiver 130 such thatwireless transceiver 130 can communicate with an HOT lane reader, for example, to transmit account information and/or exchanging payment information with the HOT lane reader. - In various embodiments, self-declaring
device 100 can be used in one or more account management applications for the vehicle which is equipped with self-declaringdevice 100. For example, self-declaringdevice 100 can be used to track the vehicle for purposes of electronic tolling, parking access, and border control. Similar applications are described in U.S. patent Ser. No. 14/459,299, now U.S. Pat. No. 9,355,398 and U.S. patent application Ser. No. 15/167,829, the disclosure of which is incorporated herein by reference in its entirety. - In some embodiments, access to data on self-declaring
device 100 can be granted based on a security key. The provision of secure identification solutions is described in U.S. Pat. Nos. 7,081,819, 7,671,746, 8,237,568, 8,322,044, and 8,004,410, the disclosures of which are incorporated by reference herein in their respective entirety. - Some applications would require a placement of metallic material (e.g., retro-reflective material, holographic image) over self-declaring
device 100 and inparticular wireless transceiver 130. In order to preserve the transmission and reception capabilities ofwireless transceiver 130, a selective de-metallization process can be employed to treat the metallic material. Selective de-metallization is described in U.S. Pat. Nos. 7,034,688 and 7,463,154, the disclosures of which are incorporated by reference herein in their respective entirety. - In certain embodiments, wireless transceiver module can actually comprise multiple modules configured to operate, e.g., at different frequencies depending on which module is activated or capable of transmitting. This is similar to
transceiver 130 being configured to operate at different frequencies. In such embodiments,transceiver 130 can be configured to switch frequencies based on the information gathered bysensor module 110. Thus, of the occupancy is determined to be below that required by a HOT lane, then the transceiver module can use one frequency to communicate with a reader on the toll system. If, however, the occupancy is determined to meet or exceed the HOT lane requirements, then thetransceiver 130 can communicate using another frequency. - The dual frequencies can be in different bands, e.g., HF and UHF, or can simply be different frequencies within a single band. In other embodiments, different bands can be used for different functions, e.g., tolling versus account management as described, e.g., in U.S. Pat. Nos. RE 43,355 and RE 44,691.
- Conversely, a multi
module switch tag 300 that can be used fortransceiver 130 is illustrated inFIGS. 3-5 .Tag 300 can operate substantially similar to the embodiments of the switch tags, e.g., described in the parent '196 application, which is incorporated herein by reference as if set forth in full. Specifically, tag 300 can operate in a similar fashion as that disclosed in FIG. 8 of the '196 application. Thus, tag 300 can comprise a single booster antenna and three RF modules. The modules can be positioned, e.g., atpositions tag 300. The single booster antenna can be positioned at one positon, e.g.,positon 302. Thetop potion 312 of the body oftag 300 can then be rotated, e.g., usinggripping features - Each RF module can be configured to transmit different data to indicate a different status. For example, one module can be configured to transmit data indicating that the occupancy of the vehicle meets or exceeds that required by a HOT lane, while another can be to transmit data indicating that the occupancy does not meet or exceed that required by the HOT lane. Alternatively, the HOT lane may be configured such that different charges apply depending on the occupancy, such that there are multiple charge levels. Thus, each of the RF modules included in
tag 300 can be associated with different occupancy levels or numbers and can therefore transmit information related to the associated occupancy levels or numbers. For example, one RF module can be associated with single occupancy, one with occupancy of 2 people, and the third with an occupancy of three people or more. A user can then rotatetop portion 312 to the appropriate position based on the occupancy. - In alternative embodiments,
tag 300 can comprise three booster antenna, e.g., configured to operate at different frequencies and single RF module. The different frequencies would then indicate the occupancy level or other settings associated with thepositons - There should be some indication of which position is associated with what occupancy or other setting. Thus, tag 300 can comprise a
window 308 that is configured to reveal a color codedarea 307 that is part oftop portion 312. Thus, asportion 312 is rotated,portion 310 comprisingwindow 308 remains still. Portion can then includecolored areas 307 that are positioned such that a differentcolored area 307 comes to rest behindwindow 308 depending on which RF module, or booster antenna is in the operational position. - For example, red can be used to indicate single occupancy and green for multiple occupants. If there are different charges for, e.g., two occupants versus three or more, then a color can be associated with each of two occupants and three or more. The user would then rotate
top portion 312 until the appropriate color are 307 appears behindwindow 308. -
FIG. 4 illustrates a rear view oftag 300 in accordance with one embodiment. It should be noted thattag 300 is configured to be mounted in the window of a vehicle with therear portion 324 facing outward from the vehicle. A mounting bracket or mechanism, such asbracket 322 can be used to mounttag 300 to the window.Bracket 322 can have adhesives, suction devices, Velcro, etc., attached thereto in order to achieve the mounting oftag 300.Back portion 324 can be coupled withportion 310 on the reverse side, such thatportions top portion 312 is rotated. - As can be seen in
FIG. 4 , in certain embodiments awindow 326 can also be included inback portion 324 in order to revealcolored areas 320 on the back surface oftop portion 312. Thecolored areas 320 can match the coloring scheme associated withareas 307 on the front surface oftop portion 312. This can enable visual verification and enforcement for authorities. In other words, if a single occupant driver switches the positon oftag 300 to one that indicates multiple occupancy, then thecolored area 320 behindwindow 326 will indicate multiple occupancy. An enforcement official can see the color throughwindow 326 and can confirm whether it is appropriate. For this reason,window 326 is typically larger thanwindow 308, which is only viewed from within the vehicle. - The windows can also be used to detect that the position of
tag 300 is off, whether intentionally or not. For example, if the user has not fully rotatedtop portion 312 to the correct position, then colored are 307 and 320 will not be aligned behindwindows FIG. 5 , providing a visual indicator to both the occupants and enforcement officials that tag 300 is not operational, or appropriately positioned. A top surface ofback portion 324 can also be color coded to help indicate misalignment to the occupants. - Thus, the sensor information provided by
sensor module 110 can be used to confirm the physical positon of a tag such astag 300. For example, if a single occupancy driver positons tag 300 to indicate a multiple occupancy setting, then the sensor data would not match the occupancy indication being provided bytag 300. This can causecontroller 120 to cause the RF module to transmit some type of error code that indicates that the occupancy information being transmitted is incorrect, or it may causetag 300 not to transmit at all. In alternative embodiments,wireless transceiver 130 may be separate fromtag 300 and may transmit separate information that can be read and compared to that being communicated bytag 300. - The accompanying claims and their equivalents are intended to cover such forms or modifications as would fall within the scope and spirit of the protection. For example, the example apparatuses, methods, and systems disclosed herein can be applied wireless communication devices incorporating HF and/or UHF RFID reader capabilities. The various components illustrated in the figures may be implemented as, for example, but not limited to, software and/or firmware on a processor, ASIC/FPGA/DSP, or dedicated hardware. Also, the features and attributes of the specific example embodiments disclosed above may be combined in different ways to form additional embodiments, all of which fall within the scope of the present disclosure.
- The foregoing method descriptions and the process flow diagrams are provided merely as illustrative examples and are not intended to require or imply that the steps of the various embodiments must be performed in the order presented. As will be appreciated by one of skill in the art the order of steps in the foregoing embodiments may be performed in any order. Words such as “thereafter,” “then,” “next,” etc. are not intended to limit the order of the steps; these words are simply used to guide the reader through the description of the methods. Further, any reference to claim elements in the singular, for example, using the articles “a,” “an” or “the” is not to be construed as limiting the element to the singular.
- The various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
- The hardware used to implement the various illustrative logics, logical blocks, modules, and circuits described in connection with the aspects disclosed herein may be implemented or performed with a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor may be a microprocessor, but, in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of receiver devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration. Alternatively, some steps or methods may be performed by circuitry that is specific to a given function.
- In one or more exemplary aspects, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored as one or more instructions or code on a non-transitory computer-readable storage medium or non-transitory processor-readable storage medium. The steps of a method or algorithm disclosed herein may be embodied in processor-executable instructions that may reside on a non-transitory computer-readable or processor-readable storage medium. Non-transitory computer-readable or processor-readable storage media may be any storage media that may be accessed by a computer or a processor. By way of example but not limitation, such non-transitory computer-readable or processor-readable storage media may include RAM, ROM, EEPROM, FLASH memory, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that may be used to store desired program code in the form of instructions or data structures and that may be accessed by a computer. Disk and disc, as used herein, includes compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk, and Blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above are also included within the scope of non-transitory computer-readable and processor-readable media. Additionally, the operations of a method or algorithm may reside as one or any combination or set of codes and/or instructions on a non-transitory processor-readable storage medium and/or computer-readable storage medium, which may be incorporated into a computer program product.
- Although the present disclosure provides certain example embodiments and applications, other embodiments that are apparent to those of ordinary skill in the art, including embodiments which do not provide all of the features and advantages set forth herein, are also within the scope of this disclosure. Accordingly, the scope of the present disclosure is intended to be defined only by reference to the appended claims.
Claims (1)
1. A self-declaring device installed on a vehicle, comprising:
at least one RFID module positioned on a first plane;
at least one antenna section positioned on a second plane;
a housing adapted to selectively activate and deactivate the at least one RFID module by changing a position of the at least one RFID module relative to the at least one antenna section;
a sensor configured to collect data from inside the vehicle; and
a microcontroller coupled to both the sensor and the at least one RFID module and configured to:
determine occupancy data based at least in part on the data collected by the sensor; and
confirm a position of the at least one RFID module relative to the at least one antenna section.
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US16/539,764 Active US10733812B2 (en) | 2011-05-06 | 2019-08-13 | Self declaring device for a vehicle using restrict traffic lanes |
US16/983,834 Active US11250647B2 (en) | 2011-05-06 | 2020-08-03 | Self declaring device for a vehicle using restrict traffic lanes |
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US10388079B2 (en) | 2019-08-20 |
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US10733812B2 (en) | 2020-08-04 |
US20160343175A1 (en) | 2016-11-24 |
US20190371083A1 (en) | 2019-12-05 |
US10102685B2 (en) | 2018-10-16 |
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