CN112420083B - Vehicle-mounted audio and video 12V and 24V power supply universal control system and method - Google Patents
Vehicle-mounted audio and video 12V and 24V power supply universal control system and method Download PDFInfo
- Publication number
- CN112420083B CN112420083B CN202011143561.9A CN202011143561A CN112420083B CN 112420083 B CN112420083 B CN 112420083B CN 202011143561 A CN202011143561 A CN 202011143561A CN 112420083 B CN112420083 B CN 112420083B
- Authority
- CN
- China
- Prior art keywords
- audio
- power supply
- sound source
- module
- power
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
- G11B31/003—Arrangements for the associated working of recording or reproducing apparatus with related apparatus with radio receiver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model provides a vehicle-mounted audio-visual 12V, 24V power universal control system, including power identification module, master control MCU, the audio module, audio power amplifier, power identification module's signal input part and whole car power connection, power identification module's signal output part is connected with the signal input part of audio module through master control MCU, the signal output part of audio module is connected with audio power amplifier's signal input part, when operating, power identification module discerns whole car power type and gives master control MCU with power type signal transmission, master control MCU is again according to the audio source input gain of received power type signal configuration rather than corresponding and send it for the audio module, audio module is according to audio source input gain confirm output volume and send it for audio power amplifier afterwards. The design realizes the generalization of vehicle-mounted audio and video 12V and 24V power supplies.
Description
Technical Field
The invention belongs to the field of vehicle-mounted audio and video host adaptation, and particularly relates to a vehicle-mounted audio and video 12V and 24V power supply universal control system and method.
Background
At present, the voltage of the whole automobile mainly adopts a 12V power supply system and a 24V power supply system, wherein the working voltage range of the 12V power supply system is 9V-16V, the working voltage range of the 24V power supply system is 18V-32V, a passenger vehicle mainly adopts the 12V power supply system, and a commercial vehicle adopts two types, namely 12V and 24V. The audio power amplifier inside the vehicle-mounted audio and video host is commonly used by 12V and 24V AB audio power amplifier chips of ST company. Due to the fact that the audio power amplifiers of a 12V system and a 24V system cannot be directly and mutually universal under the influence of factors such as working voltage, output power and output volume, the defects that parts of the whole vehicle are various, development and verification workload is large, management cost of parts production, materials and the like is high, market maintenance cannot be universal and the like are caused.
Disclosure of Invention
The invention aims to provide a general control system and a general control method for vehicle-mounted audio and video 12V and 24V power supplies, aiming at the problems in the prior art.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
a vehicle-mounted audio and video 12V and 24V power supply universal control system comprises a power supply identification module, a main control MCU, an audio effect module and an audio power amplifier, wherein a signal input end of the power supply identification module is connected with a power supply of the whole vehicle, a signal output end of the power supply identification module is connected with a signal input end of the audio effect module through the main control MCU, and a signal output end of the audio effect module is connected with a signal input end of the audio power amplifier;
the main control MCU is used for configuring a sound source input gain corresponding to the main control MCU according to the received power type signal and sending the sound source input gain to the sound effect module;
and the sound effect module is used for determining output volume according to the sound source input gain and sending the output volume to the audio power amplifier.
The master control MCU is connected with the signal input end of the sound effect module through a sound source interface, and the sound source interface comprises a radio module, a USB interface module and a Bluetooth module.
The control system further comprises a complete machine power supply module, one end of the complete machine power supply module is connected with a complete machine power supply, and the other end of the complete machine power supply module is connected with the master control MCU, the sound effect module and the sound source interface.
The audio power amplifier is an AB audio power amplifier and is connected with a power supply of the whole vehicle.
A vehicle-mounted audio and video 12V and 24V power supply universal control method adopts the control system, and specifically comprises the following steps: firstly, the power supply identification module identifies the power supply type of the whole vehicle and sends a power supply type signal to the main control MCU, the main control MCU configures a sound source input gain corresponding to the power supply type signal according to the received power supply type signal and sends the sound source input gain to the sound effect module, and then the sound effect module determines the output volume according to the sound source input gain and sends the output volume to the audio power amplifier.
And the sound source input gain corresponding to the power type is determined by the maximum output volume of the standard sound source calibration audio-visual host.
The calibration method sequentially comprises the following steps:
step one, respectively under 4 kinds of characteristic voltage values under a 12V power supply system, measuring a sound pressure level at a position 0.3m away from a loudspeaker by using a sound meter, keeping the measured value of the sound meter at 110dB by adjusting sound source input gain, and recording the sound source input gain in the state;
step two, under 4 kinds of characteristic voltage values under 24V power supply system respectively, using a sound meter to measure the sound pressure level at a position 0.3m away from a loudspeaker, keeping the measurement value of the sound meter at 110dB by adjusting the sound source input gain, and recording the sound source input gain under the state;
and step three, adjusting and fusing the sound source input gains under the 8 characteristic voltage values.
In the first step and the second step, the 4 kinds of characteristic voltages are respectively the system minimum working voltage, the system nominal voltage, the driving working voltage and the system maximum working voltage.
In step three, the adjusting and fusing means: and sampling the output power of the whole machine under the 8 characteristic voltage values, and enabling the output power of the whole machine under the 8 characteristic voltage values to approach by adjusting the input gain of the sound source.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a vehicle-mounted audio and video 12V and 24V power supply universal control system, which comprises a power supply identification module, a main control MCU, a sound effect module and an audio power amplifier, wherein the signal input end of the power supply identification module is connected with a power supply of a whole vehicle, the signal output end of the power supply identification module is connected with the signal input end of the sound effect module through the main control MCU, the signal output end of the sound effect module is connected with the signal input end of the audio power amplifier, when the system runs, the power supply identification module identifies the power supply type of the whole vehicle and sends a power supply type signal to the main control MCU, the main control MCU configures sound source input gain corresponding to the power supply type signal and sends the sound source input gain to the sound effect module, then the sound effect module determines output volume according to the sound source input gain and sends the output volume to the audio power amplifier to drive a loudspeaker, and the design executes different configuration parameters aiming at different voltage systems so that users can perceive the same under different voltages, therefore, the generalization of 12V and 24V power supplies is realized, the development and verification workload of parts of the whole vehicle is reduced, and the use types and maintenance cost of the parts are reduced. Therefore, the invention realizes the generalization of vehicle audio and video 12V and 24V power supplies.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
In the figure, a power supply identification module 1, a master control MCU2, a sound effect module 3, an audio power amplifier 4, an audio source interface 5, a radio module 51, a USB interface module 52, a bluetooth module 53, and a complete machine power supply module 6.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, a vehicle-mounted audio and video 12V and 24V power supply universal control system comprises a power supply identification module 1, a main control MCU2, an audio effect module 3 and an audio power amplifier 4, wherein a signal input end of the power supply identification module 1 is connected with a power supply of a whole vehicle, a signal output end of the power supply identification module 1 is connected with a signal input end of the audio effect module 3 through a main control MCU2, and a signal output end of the audio effect module 3 is connected with a signal input end of the audio power amplifier 4;
the main control MCU2 is used for configuring the corresponding sound source input gain according to the received power type signal and sending the sound source input gain to the sound effect module 3;
and the sound effect module 3 is used for determining output volume according to the sound source input gain and sending the output volume to the audio power amplifier 4.
The master control MCU2 is connected with the signal input end of the sound effect module 3 through the sound source interface 5, and the sound source interface 5 comprises a radio module 51, a USB interface module 52 and a Bluetooth module 53.
The control system further comprises a complete machine power supply module 6, one end of the complete machine power supply module 6 is connected with a complete machine power supply, and the other end of the complete machine power supply module 6 is connected with the master control MCU2, the sound effect module 3 and the sound source interface 5.
The audio power amplifier 4 is an AB audio power amplifier, and the audio power amplifier 4 is connected with a power supply of the whole vehicle.
A vehicle-mounted audio and video 12V and 24V power supply universal control method adopts the control system, and specifically comprises the following steps: firstly, the power identification module 1 identifies the power type of the whole vehicle and sends a power type signal to the main control MCU2, the main control MCU2 configures a sound source input gain corresponding to the received power type signal according to the received power type signal and sends the sound source input gain to the sound effect module 3, and then the sound effect module 3 determines the output volume according to the sound source input gain and sends the output volume to the audio power amplifier 4.
And the sound source input gain corresponding to the power supply type is determined by the maximum output volume of the standard sound source calibration audio-visual host.
The calibration method sequentially comprises the following steps:
step one, respectively under 4 kinds of characteristic voltage values under a 12V power supply system, measuring a sound pressure level at a position 0.3m away from a loudspeaker by using a sound meter, keeping the measured value of the sound meter at 110dB by adjusting sound source input gain, and recording the sound source input gain in the state;
step two, under 4 kinds of characteristic voltage values under 24V power supply system respectively, using a sound meter to measure the sound pressure level at a position 0.3m away from a loudspeaker, keeping the measurement value of the sound meter at 110dB by adjusting the sound source input gain, and recording the sound source input gain under the state;
and step three, adjusting and fusing the sound source input gains under the 8 characteristic voltage values.
In the first step and the second step, the 4 kinds of characteristic voltages are respectively the system minimum working voltage, the system nominal voltage, the driving working voltage and the system maximum working voltage.
In step three, the adjusting and fusing means: sampling the output power of the whole machine under the 8 characteristic voltage values, and adjusting the sound source input gain to enable the output power of the whole machine under the 8 characteristic voltage values to approach.
The functions of the components in the invention are explained as follows:
power source identification module 1: the power type signal of the whole vehicle is detected and output, and the voltage of the whole vehicle can be identified through AD sampling so as to determine the power type.
Master MCU 2: the balance of the output sound pressure intensity of the whole machine is controlled by configuring audio input gain parameters.
The sound effect module 3: the output volume is determined according to the sound source input gain, and PT2313E can be used.
And (4) audio power amplifier: the audio electric signal is amplified and played by a loudspeaker, and TDA7265 can be adopted.
The sound source interface 5: an interface for an audio source is provided.
Complete machine power module 6: and the power supply of the whole vehicle is converted into the working power supply of each module in the host.
Example 1:
referring to fig. 1, a general control system of on-vehicle audio-visual 12V, 24V power, including power identification module 1, master control MCU2, audio module 3, with whole car power connection's audio power amplifier 4, sound source interface 5, complete machine power module 6, audio module 3's model is PT2313E, audio power amplifier 4 is model TDA 7265's AB class audio power amplifier, power identification module 1's signal input part is connected with whole car power, and power identification module 1's signal output part loops through master control MCU2, and sound source interface 5 is connected with audio module 3's signal input part, audio module 3's signal output part is connected with audio power amplifier 4's signal input part, complete machine power module 6's one end is connected with whole car power, and complete machine power module 6's the other end and master control MCU2, sound effect module 3, sound source interface 5 are connected, sound source interface 5 includes radio module 51, a USB interface module 52 and a Bluetooth module 53.
The system control method comprises the following steps: firstly, the power supply identification module 1 identifies the power supply type of the whole vehicle through AD sampling and sends a power supply type signal to the main control MCU2, the main control MCU2 configures a sound source input gain corresponding to the power supply type signal according to the received power supply type signal and sends the sound source input gain to the sound effect module 3, and then the sound effect module 3 determines the output volume according to the sound source input gain and sends the output volume to the audio power amplifier 4, wherein the sound source input gain corresponding to the power supply type is determined through the maximum output volume of a standard sound source calibration audio-visual host machine, and the method is sequentially carried out according to the following steps:
step one, respectively measuring a sound pressure level at a position 0.3m away from a loudspeaker by using a sound meter under the system minimum working voltage, the system nominal voltage, the driving working voltage and the system maximum working voltage of a 12V power supply system, keeping the measurement value of the sound meter at 110dB by adjusting the sound source input gain, and recording the sound source input gain in the state;
step two, respectively measuring the sound pressure level at a position 0.3m away from a loudspeaker by using a sound meter under the minimum working voltage, the nominal voltage, the driving working voltage and the maximum working voltage of the system of the 24V power supply system, keeping the measurement value of the sound meter at 110dB by adjusting the input gain of the sound source, and recording the input gain of the sound source under the state;
and step three, sampling the output power of the whole machine under the 8 characteristic voltage values, and adjusting the sound source input gain to enable the output power of the whole machine under the 8 characteristic voltage values to approach, wherein the adjusted sound source input gain is the calibration value.
To verify the effect of the present invention, the following tests were performed:
testing equipment: the power supply universalization audio-visual host machine obtained by the method of the invention has 1 host machine, 2 loudspeakers, 1 adjustable power supply of 0V-60V and 1 part of a sound meter;
and (3) testing conditions are as follows:
1) the USB interface is adopted to play an MP3 standard sound source: 0dB,1Khz straight tone;
2) and (3) testing distance: 0.3m and 0.5 m;
3) testing voltage: 4 voltages of 12V and 24V systems are respectively the minimum working voltage of the system, the nominal voltage of the system, the running working voltage and the maximum working voltage of the system;
4) volume output setting of the video and audio host: adopting a maximum volume value;
5) and (4) test output: the sound pressure level displayed by the meter.
The test results are shown in the following table:
TABLE 1 Sound pressure test results at different characteristic voltage values
It can be seen from the above data that the sound pressure difference between the two power supply systems in driving is about 3dB, the sound pressure difference is basically not sensed in the actual music playing application, and the output sound intensity also meets the normal use requirement.
Claims (6)
1. The utility model provides a vehicle-mounted audio-visual 12V, 24V power universal control system which characterized in that:
the control system comprises a power supply identification module (1), a master control MCU (2), an audio effect module (3) and an audio power amplifier (4), wherein the signal input end of the power supply identification module (1) is connected with the power supply of the whole vehicle, the signal output end of the power supply identification module (1) is connected with the signal input end of the audio effect module (3) through the master control MCU (2), and the signal output end of the audio effect module (3) is connected with the signal input end of the audio power amplifier (4);
the master control MCU (2) is used for configuring sound source input gain corresponding to the power type signal according to the received power type signal and sending the sound source input gain to the sound effect module (3), and the sound source input gain corresponding to the power type signal is determined by calibrating the maximum output volume of the audio-visual host through a standard sound source, and the method sequentially comprises the following steps:
step one, respectively under 4 kinds of characteristic voltage values under a 12V power supply system, measuring a sound pressure level at a position 0.3m away from a loudspeaker by using a sound source meter, keeping the measured value of the sound source meter at 110dB by adjusting sound source input gain, and recording the sound source input gain under the state;
step two, respectively under 4 kinds of characteristic voltage values under a 24V power supply system, measuring the sound pressure level at a position 0.3m away from a loudspeaker by using a sound meter, keeping the measurement value of the sound meter at 110dB by adjusting the input gain of a sound source, and recording the input gain of the sound source under the state;
sampling the output power of the whole machine under the 8 characteristic voltage values, and enabling the output power of the whole machine under the 8 characteristic voltage values to approach by adjusting the sound source input gain;
and the sound effect module (3) is used for determining output volume according to the input gain of the sound source and sending the output volume to the audio power amplifier (4).
2. The vehicle-mounted video and audio 12V and 24V power supply universal control system according to claim 1, characterized in that: the master control MCU (2) is connected with the signal input end of the sound effect module (3) through a sound source interface (5), and the sound source interface (5) comprises a radio module (51), a USB interface module (52) and a Bluetooth module (53).
3. The vehicle-mounted video and audio 12V and 24V power supply universal control system according to claim 2, characterized in that: the control system further comprises a complete machine power supply module (6), one end of the complete machine power supply module (6) is connected with a complete machine power supply, and the other end of the complete machine power supply module (6) is connected with the master control MCU (2), the sound effect module (3) and the sound source interface (5).
4. The vehicle-mounted video 12V and 24V power supply universal control system according to any one of claims 1-3, characterized in that: the audio power amplifier (4) is an AB audio power amplifier, and the audio power amplifier (4) is connected with a power supply of the whole vehicle.
5. A general control method for vehicle-mounted audio and video 12V and 24V power supplies is characterized by comprising the following steps:
the control method adopts the control system of claim 1, and specifically comprises the following steps: firstly, a power supply identification module (1) identifies the power supply type of the whole vehicle and sends a power supply type signal to a main control MCU (2), the main control MCU (2) configures a sound source input gain corresponding to the power supply type signal according to the received power supply type signal and sends the sound source input gain to a sound effect module (3), and then the sound effect module (3) determines the output volume according to the sound source input gain and sends the output volume to an audio power amplifier (4).
6. The vehicle audio and video 12V and 24V power supply universal control method according to claim 5, characterized in that:
in the first step and the second step, the 4 kinds of characteristic voltages are respectively a system minimum working voltage, a system nominal voltage, a driving working voltage and a system maximum working voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143561.9A CN112420083B (en) | 2020-10-23 | 2020-10-23 | Vehicle-mounted audio and video 12V and 24V power supply universal control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143561.9A CN112420083B (en) | 2020-10-23 | 2020-10-23 | Vehicle-mounted audio and video 12V and 24V power supply universal control system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112420083A CN112420083A (en) | 2021-02-26 |
| CN112420083B true CN112420083B (en) | 2022-07-22 |
Family
ID=74841891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011143561.9A Active CN112420083B (en) | 2020-10-23 | 2020-10-23 | Vehicle-mounted audio and video 12V and 24V power supply universal control system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112420083B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242679A (en) * | 2008-02-29 | 2008-08-13 | 中兴通讯股份有限公司 | A share audio power amplification circuit for multi-audio source and its control method |
| CN105283775A (en) * | 2013-04-12 | 2016-01-27 | 株式会社日立制作所 | Mobile robot and sound source position estimation system |
| CN107438130A (en) * | 2016-05-26 | 2017-12-05 | 中兴通讯股份有限公司 | Method of adjustment, device and the terminal of speech gain |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645697B (en) * | 2008-08-07 | 2011-08-10 | 英业达股份有限公司 | System and method for controlling sound volume |
| JP2011061708A (en) * | 2009-09-14 | 2011-03-24 | Kenwood Corp | Audio amplifier and method of adjusting output thereof |
| US9048790B1 (en) * | 2010-04-14 | 2015-06-02 | Marvell International Ltd. | Method and apparatus for power reduction |
| CN202004730U (en) * | 2011-02-01 | 2011-10-05 | 上海矽诺微电子有限公司 | Dual-mode working audio frequency amplifier |
| CN102098610B (en) * | 2011-03-11 | 2015-10-21 | 湖南继善高科技有限公司 | Loudspeaker unit, loudspeaker arrangement and directed sound wave scarer |
| KR101321426B1 (en) * | 2011-03-24 | 2013-10-23 | 도시바삼성스토리지테크놀러지코리아 주식회사 | optical disc drive and method of operating the drive |
| CN204009411U (en) * | 2014-04-15 | 2014-12-10 | 李良波 | Integrated two-sided control circuit board for USB speaker wire rod with bluetooth and power amplifier |
| CN104244165B (en) * | 2014-09-01 | 2016-10-05 | 深圳市安普尔科技有限公司 | Vehicle-mounted sound chip is used to realize the method for sound mixing function and vehicle-mounted mixer circuit |
| CN106101933B (en) * | 2016-07-11 | 2020-07-31 | Tcl通力电子（惠州）有限公司 | Volume adjusting method and device of power amplifier system |
| CN206452533U (en) * | 2016-12-30 | 2017-08-29 | 深圳市安耐科电子技术有限公司 | A kind of audio self-adaptation booster circuit, BOOST chips and audio frequency apparatus |
| CN106878863A (en) * | 2017-03-03 | 2017-06-20 | 广东欧珀移动通信有限公司 | The voltage adjusting method of power supply and power amplification system and power amplification system |
-
2020
- 2020-10-23 CN CN202011143561.9A patent/CN112420083B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242679A (en) * | 2008-02-29 | 2008-08-13 | 中兴通讯股份有限公司 | A share audio power amplification circuit for multi-audio source and its control method |
| CN105283775A (en) * | 2013-04-12 | 2016-01-27 | 株式会社日立制作所 | Mobile robot and sound source position estimation system |
| CN107438130A (en) * | 2016-05-26 | 2017-12-05 | 中兴通讯股份有限公司 | Method of adjustment, device and the terminal of speech gain |
Non-Patent Citations (1)
| Title |
|---|
| 微波噪声系数分析中自动增益调整技术;刘艳;《国外电子测量技术》;20080722(第07期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112420083A (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8063698B2 (en) | Bypassing amplification | |
| CN103546852A (en) | System and method for optimized playback of audio signals through headphones | |
| CN1694581B (en) | Measuring apparatus and method | |
| US20090274312A1 (en) | Detecting a Loudspeaker Configuration | |
| CN1936829B (en) | Sound output system and method | |
| CN101437191B (en) | Calibration method for audio MACSYM | |
| US20070263880A1 (en) | Electronic apparatus for vehicle, and method and system for optimally correcting sound field in vehicle | |
| CN103813255A (en) | Method for testing performance of automobile audio device | |
| CN103918282A (en) | Method and apparatus for processing audio signal | |
| US20070036364A1 (en) | Sound field compensating apparatus and sound field compensating method | |
| CN103414991A (en) | Self-adaptive adjustment method for indoor sound reinforcement system | |
| CN104427441B (en) | Integrated audio signal processing circuit, audio system and the method for reducing cross-talk noise | |
| US7783054B2 (en) | System for auralizing a loudspeaker in a monitoring room for any type of input signals | |
| CN103414990A (en) | Method for detecting indoor sound reinforcement device | |
| EP2582037A1 (en) | Device and method for reproducing an audio signal | |
| CN112420083B (en) | Vehicle-mounted audio and video 12V and 24V power supply universal control system and method | |
| CN101459414B (en) | Video and audio playing device and volume control method | |
| CN101281726A (en) | Automatic control system for image and sound | |
| CN110007370B (en) | Universal detector testing system and control method thereof | |
| CN202940964U (en) | Vehicle speaker durability testing device | |
| CN104918198A (en) | Online-classroom-based audio calibration method and device | |
| CN207910790U (en) | A kind of intelligent broadcast control system | |
| CN212463511U (en) | Accurate testing arrangement of wireless earphone silica gel cover | |
| CN202374435U (en) | Automobile AUX interface extension device | |
| CN210444482U (en) | Headset driven test circuit |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |