CN113741266A - Wisdom logistics control system based on thing networking - Google Patents
Wisdom logistics control system based on thing networking Download PDFInfo
- Publication number
- CN113741266A CN113741266A CN202111008639.0A CN202111008639A CN113741266A CN 113741266 A CN113741266 A CN 113741266A CN 202111008639 A CN202111008639 A CN 202111008639A CN 113741266 A CN113741266 A CN 113741266A
- Authority
- CN
- China
- Prior art keywords
- module
- information
- express
- express delivery
- mobile phone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006855 networking Effects 0.000 title claims description 3
- 238000012384 transportation and delivery Methods 0.000 claims abstract description 76
- 238000007726 management method Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013439 planning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses an intelligent logistics control system based on the Internet of things, which belongs to the technical field of intelligent logistics and comprises a plc control module, a classification management module, an information conversion module, a radio frequency card reading module, a Beidou/GPS module, a wireless sensor, a wireless communication module, a dispatching module, an information sending module and a signing module; according to the invention, the express bill information is filled in through the mobile phone terminal APP, the logistics company mailing service platform is not required to record the mailing information according to the express bill, the mobile phone terminal APP clicks the pickup information obtained by picking up the goods, the alarm embedded in the RFID tag of the express mail is controlled to send an alarm signal to pick up and sign up the goods, the delivery person is not required to pick up and send the goods from a pile of the express mails, and through the design of the Beidou/GPS module, the coordinate position information can be obtained from the positioning module arranged on the logistics vehicle, and the coordinate position information is matched with the GIS map stored in the position determining module in advance.
Description
Technical Field
The invention relates to the technical field of intelligent logistics, in particular to an intelligent logistics control system based on the Internet of things.
Background
Logistics, which is "physical distribution" or "cargo distribution," is part of the supply chain activities and is the process of planning, implementing and controlling the efficient, low-cost flow and storage of goods, service consumption and related information from the place of origin to the place of consumption in order to meet the needs of customers. The logistics takes storage as a center, and the production and the market are kept synchronous. Logistics is the whole process of planning, implementing and managing raw materials, semi-finished products, finished products and related information from the production place of commodities to the consumption place of the commodities by the modes of transportation, storage, distribution and the like at the lowest cost in order to meet the requirements of customers;
with the continuous development of network technologies, network applications are more and more common in real life, and online shopping is also continuously developed as an example of network applications, so that the logistics industry is also getting stronger. The rapid development of the logistics industry also brings higher requirements to the logistics industry, along with the increase of the business volume, the operation speed of a logistics company is required to be increased, however, the traditional manual operation obviously cannot meet the requirements, and therefore, an intelligent logistics control system based on the internet of things is provided.
Disclosure of Invention
The invention aims to provide an intelligent logistics control system based on the Internet of things, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent logistics control system based on the Internet of things comprises a plc control module, a classification management module, an information conversion module, a radio frequency card reading module, a Beidou/GPS module, a wireless sensor, a wireless communication module, a dispatching module, an information sending module and a signing module,
the information conversion module is used for filling express bill information through a mobile phone terminal APP and writing the express bill information into an RFID label embedded in the express package;
the radio frequency card reading module is used for acquiring express bill information in the RFID label;
the Beidou/GPS module is used for acquiring coordinate position information from a positioning module arranged on the logistics vehicle, matching the coordinate position information with a GIS map pre-stored in a position determining module and determining geographic position information;
the classification management module is used for classifying and storing the express delivery according to the express delivery type and the time principle;
the delivery module is used for carrying out classified batch delivery according to the delivery place information read from the RFID label, and sending the goods taking information to the receiver in batches through a network telephone or a network short message when the delivery person reaches the destination;
and the signing module is used for clicking the goods taking information acquired by goods taking according to the APP at the mobile phone terminal and controlling the alarm embedded in the RFID tag of the express delivery piece to send an alarm signal to take the goods and sign for receiving.
Preferably, the information conversion module is further configured to send short messages of express delivery order numbers (name, address and mobile phone number of the sender, name, address and mobile phone number of the receiver, and express item information) to mobile phone terminals of the sender and the receiver at the same time.
Preferably, the classification management module further comprises a first-in first-out principle which is used for sending the express delivery pieces (fragile pieces and common pieces) in batches according to the sending places and time.
Preferably, the classification management module comprises a first position query module and an information sending module;
the first position query module is used for inputting an express bill number into the APP query box of the mobile phone terminal, acquiring real-time geographic position information through the Beidou/GPS module and sending the real-time geographic position information to a delivery inquirer;
and the information sending module is used for acquiring the information of the express delivery from the classification management module, reading the received information of the express delivery through the RFID label on the received express delivery, and sending the information of the express delivery to the plc control module for checking.
Preferably, the dispatch module comprises a second location query module and an information receiving module;
the second position query module is used for inputting an express bill number into the APP query box at the mobile phone end, acquiring geographic position information determined in real time from the position determination module and sending the geographic position information to the goods receiving inquirer;
and the information receiving module is used for acquiring the sent express delivery information and the received express delivery information from the plc control module, checking the sent express delivery information and the received express delivery information, and determining whether the express delivery is correct or not.
Preferably, the input end of the plc control module is electrically connected with a power supply module and an input module, and the output end of the plc control module is electrically connected with an audible and visual alarm module and a storage module;
the acousto-optic alarm module is used for reminding workers to check when the information of the express delivery piece (name, address and mobile phone number of the sender, name, address and mobile phone number of the receiver and express item information) is blocked and read wrongly;
the storage module is used for storing the information of the express delivery, and when the express delivery is lost or damaged, the storage module is used for checking the information of the express delivery by a worker and providing the information of the express delivery;
and the input module is used for manually inputting the express delivery information when the express delivery list information is filled in by the mobile phone APP and delayed, messy codes and errors occur.
Preferably, the output end of the plc control module is electrically connected to a liquid crystal display module and a position determination module.
Compared with the prior art, the invention has the beneficial effects that:
the invention fills in the express bill information through the mobile phone terminal APP, the logistics company mail service platform is not required to record the mail information according to the express bill, the mobile phone terminal APP clicks the obtained goods taking information to control the alarm embedded in the RFID label of the express mail to send an alarm signal to take and receive the goods, the dispatcher is not required to pick up and send the goods from a pile of express, and through the design of the Beidou/GPS module, the coordinate position information can be obtained from the positioning module arranged on the logistics vehicle, and is matched with the GIS map pre-stored in the position determination module to determine the geographic position information, the logistics information of the goods is collected and displayed, the real-time positioning is carried out in the vehicle transportation process, the vehicle information is detected to ensure the safety of the goods, and the information is transmitted in real time through wireless, namely the invention has simple operation, the invention has the advantages of reducing workload, improving working efficiency and being not easy to make mistakes, and the invention provides the obtained real-time and accurate geographic position information to the sender and the receiver in real time through the position determining module and the two position inquiring modules, namely the real-time geographic position information is transparent to the sender and the receiver, thereby being convenient for the sender and the receiver to track logistics information.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of a classification management module according to the present invention;
FIG. 3 is a schematic diagram of a dispatch module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution:
an intelligent logistics control system based on the Internet of things comprises a plc control module, a classification management module, an information conversion module, a radio frequency card reading module, a Beidou/GPS module, a wireless sensor, a wireless communication module, a dispatching module, an information sending module and a signing module,
the information conversion module is used for filling express bill information through a mobile phone terminal APP and writing the express bill information into an RFID label embedded in the express package;
the radio frequency card reading module is used for acquiring express bill information in the RFID label;
the Beidou/GPS module is used for acquiring coordinate position information from a positioning module arranged on the logistics vehicle, matching the coordinate position information with a GIS map pre-stored in a position determining module and determining geographic position information;
the classification management module is used for classifying and storing the express delivery according to the express delivery type and the time principle;
the delivery module is used for carrying out classified batch delivery according to the delivery place information read from the RFID label, and sending the goods taking information to the receiver in batches through a network telephone or a network short message when the delivery person reaches the destination;
and the signing module is used for clicking the goods taking information acquired by goods taking according to the APP at the mobile phone terminal and controlling the alarm embedded in the RFID tag of the express delivery piece to send an alarm signal to take the goods and sign for receiving.
Referring to fig. 1, the information conversion module is further configured to send short messages of express waybill numbers (name, address and mobile phone number of the sender, name, address and mobile phone number of the receiver, and express item information) to mobile phone terminals of the sender and the receiver at the same time;
referring to fig. 1, the classification management module further includes a first-in first-out principle, which is a principle that a time principle of sending express items (fragile items and common items) in batches according to a sending place and time is used;
referring to fig. 2, the classification management module includes a first location query module and an information sending module;
the first position query module is used for inputting an express bill number into the APP query box of the mobile phone terminal, acquiring real-time geographic position information through the Beidou/GPS module and sending the real-time geographic position information to a delivery inquirer;
the information sending module is used for acquiring the information of the express delivery from the classification management module, reading the received information of the express delivery through the RFID label on the received express delivery, and sending the information of the express delivery to the plc control module for checking;
referring to fig. 3, the sending module includes a second location query module and an information receiving module;
the second position query module is used for inputting an express bill number into the APP query box at the mobile phone end, acquiring geographic position information determined in real time from the position determination module and sending the geographic position information to the goods receiving inquirer;
the information receiving module is used for acquiring the sent express delivery information and the received express delivery information from the plc control module, checking the sent express delivery information and the received express delivery information, and determining whether the express delivery is correct or not;
referring to fig. 1, an input end of the plc control module is electrically connected to a power module and an input module, and an output end of the plc control module is electrically connected to an audible and visual alarm module and a storage module;
the acousto-optic alarm module is used for reminding workers to check when the information of the express delivery piece (name, address and mobile phone number of the sender, name, address and mobile phone number of the receiver and express item information) is blocked and read wrongly;
the storage module is used for storing the information of the express delivery, and when the express delivery is lost or damaged, the storage module is used for checking the information of the express delivery by a worker and providing the information of the express delivery;
the input module is used for manually inputting express delivery information when the express delivery information is filled in by the mobile phone APP and delay, messy codes and errors occur;
referring to fig. 1, an output end of the plc control module is electrically connected to a liquid crystal display module and a position determination module;
when the system is used, express bill information is filled in through the mobile phone terminal APP, a logistics company mail service platform is not required to input mail information according to the express bill, the mobile phone terminal APP clicks the goods taking information obtained by taking the goods, an alarm embedded in an RFID label of the express mail is controlled to send an alarm signal to take the goods and sign, a dispatcher does not need to find and dispatch the goods from a pile of the express goods, coordinate position information can be obtained from a positioning module arranged on a logistics vehicle through the design of a Beidou/GPS module, the coordinate position information is matched with a GIS map stored in a position determining module in advance, geographic position information is determined, logistics information of the goods is collected and displayed, real-time positioning is carried out in the vehicle transportation process, vehicle information is detected to ensure the safety of the goods, and real-time monitoring is realized through wireless transmission of the information, namely, the system is simple to operate, the invention has the advantages of reducing workload, improving working efficiency and being not easy to make mistakes, and the invention provides the obtained real-time and accurate geographic position information to the sender and the receiver in real time through the position determining module and the two position inquiring modules, namely the real-time geographic position information is transparent to the sender and the receiver, thereby being convenient for the sender and the receiver to track logistics information.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a wisdom logistics control system based on thing networking, includes plc control module, categorised management module, information conversion module, radio frequency card reading module, big dipper GPS module, wireless sensor, wireless communication module, dispatches module, information transmission module and signs and receives the module, its characterized in that:
the information conversion module is used for filling express bill information through a mobile phone terminal APP and writing the express bill information into an RFID label embedded in the express package;
the radio frequency card reading module is used for acquiring express bill information in the RFID label;
the Beidou/GPS module is used for acquiring coordinate position information from a positioning module arranged on the logistics vehicle, matching the coordinate position information with a GIS map pre-stored in a position determining module and determining geographic position information;
the classification management module is used for classifying and storing the express delivery according to the express delivery type and the time principle;
the delivery module is used for carrying out classified batch delivery according to the delivery place information read from the RFID label, and sending the goods taking information to the receiver in batches through a network telephone or a network short message when the delivery person reaches the destination;
and the signing module is used for clicking the goods taking information acquired by goods taking according to the APP at the mobile phone terminal and controlling the alarm embedded in the RFID tag of the express delivery piece to send an alarm signal to take the goods and sign for receiving.
2. The intelligent logistics control system based on the internet of things as claimed in claim 1, wherein: the information conversion module is also used for simultaneously sending express bill number short messages (name, address and mobile phone number of the sender, name, address and mobile phone number of the receiver and express article information) to the mobile phone terminals of the sender and the receiver.
3. The intelligent logistics control system based on the internet of things as claimed in claim 1, wherein: the classification management module is also used for sending the express delivery pieces (fragile pieces and common pieces) in batches according to the sending places and time as a first-in first-out principle.
4. The intelligent logistics control system based on the internet of things as claimed in claim 1, wherein: the classification management module comprises a first position query module and an information sending module;
the first position query module is used for inputting an express bill number into the APP query box of the mobile phone terminal, acquiring real-time geographic position information through the Beidou/GPS module and sending the real-time geographic position information to a delivery inquirer;
and the information sending module is used for acquiring the information of the express delivery from the classification management module, reading the received information of the express delivery through the RFID label on the received express delivery, and sending the information of the express delivery to the plc control module for checking.
5. The intelligent logistics control system based on the internet of things as claimed in claim 1, wherein: the dispatching module comprises a second position query module and an information receiving module;
the second position query module is used for inputting an express bill number into the APP query box at the mobile phone end, acquiring geographic position information determined in real time from the position determination module and sending the geographic position information to the goods receiving inquirer;
and the information receiving module is used for acquiring the sent express delivery information and the received express delivery information from the plc control module, checking the sent express delivery information and the received express delivery information, and determining whether the express delivery is correct or not.
6. The intelligent logistics control system based on the internet of things as claimed in claim 1, wherein: the input end of the plc control module is electrically connected with a power supply module and an input module, and the output end of the plc control module is electrically connected with an audible and visual alarm module and a storage module;
the acousto-optic alarm module is used for reminding workers to check when the information of the express delivery piece (name, address and mobile phone number of the sender, name, address and mobile phone number of the receiver and express item information) is blocked and read wrongly;
the storage module is used for storing the information of the express delivery, and when the express delivery is lost or damaged, the storage module is used for checking the information of the express delivery by a worker and providing the information of the express delivery;
and the input module is used for manually inputting the express delivery information when the express delivery list information is filled in by the mobile phone APP and delayed, messy codes and errors occur.
7. The intelligent logistics control system based on the internet of things as claimed in claim 1, wherein: the output end of the plc control module is electrically connected with a liquid crystal display module and a position determination module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111008639.0A CN113741266A (en) | 2021-08-31 | 2021-08-31 | Wisdom logistics control system based on thing networking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111008639.0A CN113741266A (en) | 2021-08-31 | 2021-08-31 | Wisdom logistics control system based on thing networking |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113741266A true CN113741266A (en) | 2021-12-03 |
Family
ID=78734131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111008639.0A Pending CN113741266A (en) | 2021-08-31 | 2021-08-31 | Wisdom logistics control system based on thing networking |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113741266A (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050203683A1 (en) * | 2004-01-09 | 2005-09-15 | United Parcel Service Of America, Inc. | System, method, and apparatus for collecting telematics and sensor information in a delivery vehicle |
US20150154559A1 (en) * | 2013-12-02 | 2015-06-04 | United Parcel Service Of America, Inc. | Systems and methods for delivering an item to a dynamic location |
CN107451782A (en) * | 2017-08-11 | 2017-12-08 | 三门峡职业技术学院 | A kind of wisdom logistics control system based on Internet of Things |
CN110705944A (en) * | 2019-10-15 | 2020-01-17 | 圆通速递有限公司 | Express logistics loss prevention method and system |
CN111992508A (en) * | 2020-07-27 | 2020-11-27 | 上海东普信息科技有限公司 | Intelligent sorting and loading method, device and equipment for express packages and storage medium |
CN112085431A (en) * | 2020-07-24 | 2020-12-15 | 成都喜鹊鸣网络科技有限公司 | Method for confirming goods receiving of equipment |
CN112200516A (en) * | 2020-10-12 | 2021-01-08 | 绿瘦健康产业集团有限公司 | Package loss processing method, device, medium and terminal equipment |
-
2021
- 2021-08-31 CN CN202111008639.0A patent/CN113741266A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050203683A1 (en) * | 2004-01-09 | 2005-09-15 | United Parcel Service Of America, Inc. | System, method, and apparatus for collecting telematics and sensor information in a delivery vehicle |
US20150154559A1 (en) * | 2013-12-02 | 2015-06-04 | United Parcel Service Of America, Inc. | Systems and methods for delivering an item to a dynamic location |
CN107451782A (en) * | 2017-08-11 | 2017-12-08 | 三门峡职业技术学院 | A kind of wisdom logistics control system based on Internet of Things |
CN110705944A (en) * | 2019-10-15 | 2020-01-17 | 圆通速递有限公司 | Express logistics loss prevention method and system |
CN112085431A (en) * | 2020-07-24 | 2020-12-15 | 成都喜鹊鸣网络科技有限公司 | Method for confirming goods receiving of equipment |
CN111992508A (en) * | 2020-07-27 | 2020-11-27 | 上海东普信息科技有限公司 | Intelligent sorting and loading method, device and equipment for express packages and storage medium |
CN112200516A (en) * | 2020-10-12 | 2021-01-08 | 绿瘦健康产业集团有限公司 | Package loss processing method, device, medium and terminal equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202838419U (en) | Intelligent cargo tracking management system | |
CN103544591A (en) | Intelligent logistics distribution system and logistics distribution method based on cloud services | |
CN206805615U (en) | A kind of intelligent commodity shelf | |
CN111539668A (en) | Warehousing system based on radio frequency technology and control method | |
CN106971286B (en) | Express delivery pickup method based on Bluetooth Beacon technology | |
CN106971284B (en) | Storage cargo management device and method based on CSS micro base station and RFID | |
KR20190003214A (en) | Warehouse Management System using smart glasses having bar code or QR code scan function and capable of communicating with RFID reader | |
CN111445190A (en) | International logistics tracking system | |
CN101976415A (en) | Physical distribution management device and management method for on-line purchased commodities | |
Kandel et al. | GPS based track and trace for transparent and sustainable global supply chains | |
CN112613816A (en) | Intelligent shared express mail consignment system and use method thereof | |
CN205594688U (en) | Logistics system | |
CN108564324A (en) | A kind of unmanned intelligent logistics system and its working method based on RFID | |
CN107451782A (en) | A kind of wisdom logistics control system based on Internet of Things | |
CN111080200A (en) | Logistics cargo positioning system | |
CN110363475A (en) | Mine intelligent storage Courier Service system and method based on technology of Internet of things | |
CN102842051A (en) | Mail detail list and electronic stamp | |
CN112418770A (en) | Logistics management system | |
CN113741266A (en) | Wisdom logistics control system based on thing networking | |
CN102147472A (en) | Intelligent electronic box and mobile positioning system for container pallet or pallet carton | |
CN210776757U (en) | Identification device comprising a unique identification code, elastic clamping device, strip and device comprising a unique identification code | |
CN205121629U (en) | International logistics carrys information platform fast | |
CN209297355U (en) | A kind of intelligent storage information management system | |
CN204791146U (en) | According to order information automatic classification storage device | |
CN204946042U (en) | A kind of logistics progress management system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211203 |
|
RJ01 | Rejection of invention patent application after publication |