CN111508243A - Synchronous control receiving method and device for radio stroboscopic signal lamp - Google Patents
Synchronous control receiving method and device for radio stroboscopic signal lamp Download PDFInfo
- Publication number
- CN111508243A CN111508243A CN202010361166.1A CN202010361166A CN111508243A CN 111508243 A CN111508243 A CN 111508243A CN 202010361166 A CN202010361166 A CN 202010361166A CN 111508243 A CN111508243 A CN 111508243A
- Authority
- CN
- China
- Prior art keywords
- signal
- square wave
- time
- signal lamp
- wave signal
- 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
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of ac
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A synchronous control receiving method and a device for a radio stroboscopic signal lamp belong to the technical field of road traffic signal lamp control. At present, the radio signal lamp independently powered by solar energy is adopted, so that the requirement of electronic police for snapshot and evidence collection is met, namely, the problem that in a snapshot photo of the electronic police, a red signal lamp is yellow due to over-lighting needs to be solved, and the signal lamp needs to be subjected to stroboscopic synchronization and duty ratio control for lighting and extinguishing. The method and the device can obtain the frequency and the phase parameter of the commercial power transmitted from the outside in a radio communication mode, generate a synchronous square wave signal with the same frequency and the same phase as the commercial power through satellite time service and the frequency and the phase parameter of the commercial power, and transmit the synchronous square wave signal to the signal lamp, and the signal lamp realizes the control of the on-off and on-off duty ratio according to the synchronous signal so as to meet the image exposure requirement of an electronic police snapshot system.
Description
Technical Field
A synchronous control receiving method and a device for a radio stroboscopic signal lamp belong to the technical field of road traffic signal lamp control.
Background
At present, the radio signal lamp independently powered by solar energy is adopted, the requirement of electronic police for taking a candid photograph and obtaining evidence is met, namely, the problem that a red signal lamp is yellow due to over-lighting in a photo taken by the electronic police is solved, the signal lamp needs to be subjected to stroboscopic synchronization and duty ratio control of lighting and extinguishing, the exposure control of electronic police candid photograph equipment is subjected to synchronous control by using mains frequency and phase, and the signal lamp is independently powered by solar energy and needs to receive a synchronous signal sent from the outside in a radio communication mode.
The method and the device can receive the frequency and the phase parameter of the commercial power sent from the outside in a radio communication mode, generate a synchronous square wave signal with the same frequency and the same phase as the commercial power through satellite time service and the frequency and the phase parameter of the commercial power, send the synchronous square wave signal to the stroboscopic signal lamp, and control the stroboscopic signal lamp to be synchronously turned on and off according to the synchronous signal by the signal lamp so as to meet the image exposure requirement of an electronic police snapshot system.
Disclosure of Invention
The present application relates to a method and a device for synchronously controlling and receiving a radio stroboscopic signal lamp, and the following details are provided.
The synchronous control receiving method of the radio stroboscopic signal lamp comprises the following steps: receiving the second pulse square wave signal of a local time service satellite each time, receiving an external mains supply frequency value and a phase time difference value in a radio communication mode, calibrating a clock of the local time service satellite through the second pulse square wave signal of the local time service satellite, generating a square wave signal with the same frequency and the same phase as the mains supply according to the received mains supply frequency value and the phase time difference value, and outputting the square wave signal with the same frequency and the same phase to an external traffic signal lamp.
A synchronous control receiving device of the radio stroboscopic signal lamp suitable for the synchronous control receiving method of the radio stroboscopic signal lamp comprises a signal lamp control unit (N1), a radio communication module (N2), a time service satellite module (N3), a time delay timer (N4), a square wave signal generator (N5) and a synchronous signal driving unit (N6), wherein a serial communication 2 port of the signal lamp control unit (N1) is connected with a serial communication port of the radio communication module (N2), a serial communication 1 port is connected with a serial communication port of the time service satellite module (N3), a second pulse input port is connected with a second pulse output port of the time service satellite module (N3), a frequency parameter output port is connected with a frequency parameter input port of the square wave signal generator (N5), a delay parameter output port is connected with a delay parameter input port of the time delay timer (N4), and a second pulse of the time delay timer (N4) is connected with a second pulse output port of the time service satellite module (N3) The second pulse delay output port is connected with the synchronous signal input port of the square wave signal generator (N5), the clock signal input port of the square wave signal generator (N5) is connected with the clock signal, the pulse output port is connected with the signal input port of the synchronous signal driving unit (N6), and the synchronous signal output port of the synchronous signal driving unit (N6) is connected with the traffic signal lamp.
In the device, a radio communication module (N2) receives a mains supply frequency value and a phase time difference value △ t sent by a sending terminal controller in a radio transmission mode, and then sends the mains supply frequency value and the phase time difference value △ t to a signal lamp control unit (N1) through a serial communication port, a second pulse square wave signal (V2) generated by a time service satellite module (N3) is sent to the signal lamp control unit (N1) and a delay timer (N4) through a second pulse output port, the signal lamp control unit (N1) calibrates a self timing clock through a second pulse square wave signal (V2), the signal lamp control unit (N1) sends a phase time difference value △ t to a delay timer (N4) through a delay parameter output port, sends the mains supply frequency value to a square wave signal generator (N5) through a frequency parameter output port, the square wave signal generator (N5) autonomously generates a square wave signal with the same frequency as the mains supply frequency value, the square wave signal generator (N5) autonomously generates a square wave signal with the same frequency value as the mains supply frequency, the square wave signal with the square wave signal frequency value, the square wave signal generator (N4) automatically generates a square wave signal with the same frequency value, the same as the phase time signal, the square wave signal is sent to the phase time signal, the square wave signal synchronous signal generated by the square wave generator (N5927 t, the square wave signal synchronous signal generator (V) after the square wave signal generator (V) receives the time signal generated by.
Drawings
Fig. 1 is a schematic diagram of a radio stroboscopic signal lamp synchronous control receiving device.
Fig. 2 is a signal waveform diagram of a synchronous control receiving device of a radio stroboscopic signal lamp.
In the figure, V1 is the generated synchronous square wave signal, V2 is the second pulse square wave signal output by the time service satellite, V3 is the second pulse square wave signal output by the time service satellite after a time delay of △ t, R1 is the rising edge of the generated synchronous square wave signal, R2 is the rising edge of the second pulse square wave signal, R3 is the rising edge of the second pulse square wave signal after the time delay, and △ t is the time difference between the time of R3 and the time of R2.
Detailed Description
An embodiment of a synchronous control receiving device of a radio stroboscopic signal lamp is composed of a signal lamp control unit (N1), a radio communication module (N2), a time service satellite module (N3), a time delay timer (N4), a square wave signal generator (N5) and a synchronous signal driving unit (N6) as shown in FIG. 1, wherein a serial communication 2 port of the signal lamp control unit (N1) is connected with a serial communication port of the radio communication module (N2), a serial communication 1 port is connected with a serial communication port of the time service satellite module (N3), a second pulse input port is connected with a second pulse output port of the time service satellite module (N3), a frequency parameter output port is connected with a frequency parameter input port of the square wave signal generator (N5), a delay parameter output port is connected with a delay parameter input port of the time delay timer (N4), a second pulse of the time delay timer (N4) is connected with a second pulse output port of the time service satellite module (N3), The second pulse delay output port is connected with the synchronous signal input port of the square wave signal generator (N5), the clock signal input port of the square wave signal generator (N5) is connected with a clock signal, the pulse output port is connected with the signal input port of the synchronous signal driving unit (N6), and the synchronous signal output port of the synchronous signal driving unit (N6) is connected with a traffic signal lamp.
In an embodiment, as shown in fig. 1 and 2, after receiving a mains frequency value and a phase time difference value △ t sent by a sending terminal controller through a radio transmission mode, a radio communication module (N2) sends the mains frequency value and the phase time difference value △ t to a signal lamp control unit (N1) through a serial communication port, a second pulse square wave signal (V2) generated by a time service satellite module (N3) is sent to the signal lamp control unit (N1) and a time delay timer (N4) through a second pulse output port, a signal lamp control unit (N1) calibrates its clock through a second pulse square wave signal (V2), the signal lamp control unit (N1) sends a phase time difference value △ t to a time delay timer (N4) through a delay parameter output port, mains frequency is sent to a square wave signal generator (N5) through a frequency value output port, the signal generator (N5) autonomously generates a square wave signal with the same frequency as the mains frequency value, the time delay timer (N4) autonomously generates a square wave signal with the same frequency as the mains frequency value, the square wave signal with the same frequency value as the square wave signal, the time signal generator (N2) and the time signal generator (N5926) autonomously adjusts the time signal when the signal generated by each time signal generated by the time delay timer (N5926) after receiving the time signal, so that the time signal generated by the time signal generator (N5926) and the time signal generated by the time signal generating a square wave signal generator (N5926) and the time signal, so that the time signal generated by the time signal generator (N5928, the.
In the implementation mode, the signal lamp control unit (N1) has a digital operation processing function, a core device is realized by one of a CPU, a DSP and an FPGA chip with multiple serial ports, the radio communication module (N2) has a radio data transmission communication function and can be realized by one of a WiFi radio module, a ZigBee radio module, a 4G radio module and a 5G radio module, the time service satellite module (N3) can be realized by one of a Beidou navigation satellite terminal module, a GPS satellite navigation terminal module, a Galileo satellite navigation terminal module and a G L ONASS satellite navigation terminal module, the time delay timer (N4) and the square wave signal generator (N5) can be realized by program control of one of the CPU, the DSP and the FPGA chip and can share one chip with the signal lamp control unit (N1), and the synchronous signal driving unit (N6) can be realized by one of an RS-485 circuit and an RS-232 circuit.
Claims (3)
1. A synchronous control receiving method of a radio stroboscopic signal lamp is characterized in that: receiving the second pulse square wave signal of a local time service satellite each time, receiving an external mains supply frequency value and a phase time difference value in a radio communication mode, calibrating a clock of the local time service satellite through the second pulse square wave signal of the local time service satellite, generating a square wave signal with the same frequency and the same phase as the mains supply according to the received mains supply frequency value and the phase time difference value, and outputting the square wave signal with the same frequency and the same phase to an external traffic signal lamp.
2. A radio stroboscopic signal lamp synchronization control receiving apparatus adapted to the radio stroboscopic signal lamp synchronization control receiving method of claim 1, characterized in that: the signal lamp control unit (N1), the radio communication module (N2), the time service satellite module (N3), the time delay timer (N4), the square wave signal generator (N5) and the synchronous signal driving unit (N6), wherein a serial communication 2 port of the signal lamp control unit (N1) is connected with a serial communication port of the radio communication module (N2), a serial communication 1 port is connected with a serial communication port of the time service satellite module (N3), a second pulse input port is connected with a second pulse output port of the time service satellite module (N3), a frequency parameter output port is connected with a frequency parameter input port of the square wave signal generator (N5), a delay parameter output port is connected with a delay parameter input port of the time delay timer (N4), a second pulse input port of the time delay timer (N4) is connected with a second pulse output port of the time service satellite module (N3), a second pulse delay square wave output port is connected with a synchronous signal input port of the time service satellite module (N5), the clock signal input port of the square wave signal generator (N5) is connected with a clock signal, the pulse output port is connected with the signal input port of the synchronous signal driving unit (N6), and the synchronous signal output port of the synchronous signal driving unit (N6) is connected with a traffic signal lamp.
3. The device as claimed in claim 2, further comprising a radio communication module (N2) which receives the mains frequency value and the phase time difference value △ t sent by the controller at the transmitting end through a radio transmission mode and sends the signals to the signal lamp control unit (N1) through a serial communication port, a second pulse square wave signal (V2) generated by the time service satellite module (N3) is sent to the signal lamp control unit (N1) and the time delay timer (N4) through a second pulse output port, the signal lamp control unit (N1) calibrates its timing clock through a second pulse square wave signal (V2), the signal lamp control unit (N1) sends the phase time difference value △ t to the time delay timer (N4) through a delay parameter output port, the mains frequency value is sent to the square wave signal generator (N5) through a frequency parameter output port, the signal generator (N5) autonomously generates a square wave signal with the same frequency as the mains frequency, the time delay timer (N4) autonomously generates a square wave signal with the same frequency as the mains frequency value as the square wave signal, the square wave signal (N2) and the time signal 8656) automatically generates a square wave signal when the time signal rises after each time signal (N5953) is received by the satellite module, the signal synchronization signal, the time signal synchronization signal (N2) is sent to the time signal, the square wave signal synchronization signal sent to the signal 5926 is sent to the traffic signal which enables the traffic signal to be aligned with the time signal which is sent to be aligned with the time signal which is sent to the time signal which is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361166.1A CN111508243A (en) | 2020-04-30 | 2020-04-30 | Synchronous control receiving method and device for radio stroboscopic signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361166.1A CN111508243A (en) | 2020-04-30 | 2020-04-30 | Synchronous control receiving method and device for radio stroboscopic signal lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111508243A true CN111508243A (en) | 2020-08-07 |
Family
ID=71864301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010361166.1A Pending CN111508243A (en) | 2020-04-30 | 2020-04-30 | Synchronous control receiving method and device for radio stroboscopic signal lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111508243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062671A1 (en) * | 2020-09-25 | 2022-03-31 | 深圳星标科技股份有限公司 | Timing synchronization method, visual navigation aid device control method, and related apparatuses |
| CN114615779A (en) * | 2022-03-14 | 2022-06-10 | 中国第一汽车股份有限公司 | Control method, device, equipment and storage medium of alarm lamp |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943719A (en) * | 2010-09-09 | 2011-01-12 | 上海希明电气技术有限公司 | Shared-frequency asynchronous phase-checking method |
| CN102446417A (en) * | 2011-11-10 | 2012-05-09 | 中盟智能科技（苏州）有限公司 | Method and device for snapshot control of traffic camera |
| CN102779406A (en) * | 2011-05-12 | 2012-11-14 | 北京维信通科技股份有限公司 | Cloud computing intelligent transportation scheduling platform based on Beidou time service technology |
| CN102789113A (en) * | 2012-07-27 | 2012-11-21 | 浙江宇视科技有限公司 | Synchronizer for camera |
| CN103701436A (en) * | 2012-09-27 | 2014-04-02 | 浙江大华技术股份有限公司 | External synchronous trigger signal generating method and equipment |
| CN105306831A (en) * | 2015-09-15 | 2016-02-03 | 北京信路威科技股份有限公司 | System and method for stabilizing image brightness |
| CN205692395U (en) * | 2016-06-26 | 2016-11-16 | 河南科技学院 | A kind of wireless synchronization traffic signal light device based on Big Dipper time service |
| CN106371310A (en) * | 2016-12-05 | 2017-02-01 | 山东大学 | Beidou based unified time-service system device of traffic signal lamps and working method of device |
| CN109872546A (en) * | 2019-04-17 | 2019-06-11 | 佛山市简为科技有限公司 | It is a kind of wirelessly to remove terminal Internet of Things traffic lights |
| CN209674548U (en) * | 2018-12-20 | 2019-11-22 | 南京丹腾智能科技有限公司 | Wireless traffic signal light managing device |
-
2020
- 2020-04-30 CN CN202010361166.1A patent/CN111508243A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943719A (en) * | 2010-09-09 | 2011-01-12 | 上海希明电气技术有限公司 | Shared-frequency asynchronous phase-checking method |
| CN102779406A (en) * | 2011-05-12 | 2012-11-14 | 北京维信通科技股份有限公司 | Cloud computing intelligent transportation scheduling platform based on Beidou time service technology |
| CN102446417A (en) * | 2011-11-10 | 2012-05-09 | 中盟智能科技（苏州）有限公司 | Method and device for snapshot control of traffic camera |
| CN102789113A (en) * | 2012-07-27 | 2012-11-21 | 浙江宇视科技有限公司 | Synchronizer for camera |
| CN103701436A (en) * | 2012-09-27 | 2014-04-02 | 浙江大华技术股份有限公司 | External synchronous trigger signal generating method and equipment |
| CN105306831A (en) * | 2015-09-15 | 2016-02-03 | 北京信路威科技股份有限公司 | System and method for stabilizing image brightness |
| CN205692395U (en) * | 2016-06-26 | 2016-11-16 | 河南科技学院 | A kind of wireless synchronization traffic signal light device based on Big Dipper time service |
| CN106371310A (en) * | 2016-12-05 | 2017-02-01 | 山东大学 | Beidou based unified time-service system device of traffic signal lamps and working method of device |
| CN209674548U (en) * | 2018-12-20 | 2019-11-22 | 南京丹腾智能科技有限公司 | Wireless traffic signal light managing device |
| CN109872546A (en) * | 2019-04-17 | 2019-06-11 | 佛山市简为科技有限公司 | It is a kind of wirelessly to remove terminal Internet of Things traffic lights |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062671A1 (en) * | 2020-09-25 | 2022-03-31 | 深圳星标科技股份有限公司 | Timing synchronization method, visual navigation aid device control method, and related apparatuses |
| CN114615779A (en) * | 2022-03-14 | 2022-06-10 | 中国第一汽车股份有限公司 | Control method, device, equipment and storage medium of alarm lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111508243A (en) | Synchronous control receiving method and device for radio stroboscopic signal lamp | |
| US8160436B2 (en) | System and method for relay of pulsed light by intermittent radio for camera flash | |
| CN104795039B (en) | FPGA (field programmable gate array) based method and FPGA based device for adjusting MIPI (mobile industry processor interface) signal transmission | |
| CN104678754A (en) | Full-function type time synchronization system | |
| CN104041151A (en) | Method and apparatus for synchronizing a wireless network with an external timing source | |
| CN111954357B (en) | Time synchronization method and system for NB-IoT street lamp single lamp controller | |
| WO2021114547A1 (en) | High-precision clock signal-based method and system for realizing led lamp string display synchronization | |
| CN108134645A (en) | Radar signal synchronization system | |
| CN109683132B (en) | Acoustic and image signal hybrid terminal and processing method thereof | |
| CN201928290U (en) | GPS (global positioning system), Beidou and pulse multi-benchmark PTP (picture transfer protocol) master clock | |
| JP3982464B2 (en) | Communication device | |
| CN102142954B (en) | Time synchronization method and equipment in rack | |
| CN110831281A (en) | Auxiliary synchronization LED control device and LED light control system | |
| CN111508242A (en) | Synchronous control sending method and device for radio stroboscopic signal lamp | |
| CN115567039A (en) | Control circuit for pulse acquisition and flexible pulse generation | |
| CN210624345U (en) | Street lamp | |
| WO2017156838A1 (en) | Angle cutting circuit in liquid crystal panel drive system | |
| CN109814370B (en) | Clock synchronization system | |
| CN106788847B (en) | A kind of PTP GM clockwork and its implementation | |
| CN111989889B (en) | Communication method and device | |
| CN109991838A (en) | Based on Big Dipper short message master control time service device, system and method | |
| US20240014998A1 (en) | Digital communications bus suitable for automotive applications | |
| US11262788B2 (en) | Method and system for realizing synchronous display of LED light strings based on high-precision clock signal | |
| CN113346961B (en) | Duty ratio control method, device, circuit and equipment applied to physical layer | |
| CN217467505U (en) | Multifunctional synchronous control device |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200807 |
|
| WD01 | Invention patent application deemed withdrawn after publication |