CN106685769A - Remote wireless data receiver - Google Patents
Remote wireless data receiver Download PDFInfo
- Publication number
- CN106685769A CN106685769A CN201510763131.XA CN201510763131A CN106685769A CN 106685769 A CN106685769 A CN 106685769A CN 201510763131 A CN201510763131 A CN 201510763131A CN 106685769 A CN106685769 A CN 106685769A
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- China
- Prior art keywords
- signal
- service
- broadcast television
- terminal
- unit
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2887—Access multiplexer, e.g. DSLAM characterised by the offered subscriber services
- H04L12/2889—Multiservice, e.g. MSAN
Abstract
The invention discloses a remote wireless data receiver. The remote wireless data receiver comprises a signal receiving and sending device, a signal converting device and a cable connecting the signal receiving and sending device with the signal converting device. The signal receiving and sending device is used for receiving, processing and sending radio frequency signals carrying voice service, radio and television service and data service. The signal converting device is used for sending the signals which are received from the signal receiving and sending device and carry the voice service, the radio and television service and the data service to a voice service terminal, a radio and television service terminal and a data service terminal respectively, and used for sending baseband signals which are sent by the voice service terminal, the radio and television service terminal and the data service terminal and carry the voice service, the radio and television service and the data service to the signal receiving and sending device.
Description
Technical field
The present invention relates to network communication field, more particularly to a kind of utilization wireless broadband network technology realizes the remote-wireless data sink of telecommunications network, broadcasting and television network and computer communication network unification of three nets.
Background technology
With the development of the communication technology, telephony, grid computing technology and CATV Technology, respectively as single service technique, develop quite ripe.
For the telephony for being mainly used in speech business, as shown in figure 1, the telephone terminal of user is connected by cable with junction box, junction box is connected its network topology by cable with telecommunications core network, for ordinary telephone subscriber can only receive voice signal by telephone set, carry out speech business.At present computer can pass through Asymmetrical Digital Subscriber Line（Asymmetric Digital Subscriber Line, ADSL）Deng access device connection, ISP is received（Internet Service Provider, ISP）The data service of offer, but for the development of the data service needs special equipment to realize, it is impossible to multiple business is carried out by a kind of general access device or system.
For for the grid computing technology of data service, its network topology as shown in Fig. 2 the data terminal of user, such as computer, by special hub and Internet protocol（Internet Protocol, IP）Core network connects, IP core network realizes the interaction of data service by packet switch, receive the data message of other data terminals, or the business datum that ISP is provided, but IP core network is based on packet switch, and packet switch is that, towards disconnected technology, reliability is low, the general speech business very high for requirement of real-time, it is impossible to realize.Although realizing the networking telephone at present（Voice over Internet Protocol, VoIP）Technology, but VoIP is also required to special access device（Voip gateway）Realize.
For the radio data system of broadcast television service, its network topology is as shown in Figure 3, program is delivered to the TV station of other various places using the data feedback channel of satellite for various places TV station, local television obtains the TV programme of various places TV station by satellite downlink passage, and be locally modulated, it is combined as local broadcast program, then recycle cable TV network or ground based repeater that program is passed into user, wherein cable TV network is amplified by amplifier to signal, then TV signal after amplification is distributed to the television receiver of each user by shunt.What is taken for current TV network is broadcast mode, and user can only receive TV programme by access devices such as described amplifiers and shunt, it is impossible to carry out two-way communication, it is impossible to carry out speech business and data service.
In sum, the classification of current telecommunication service carries out networking respectively, by special access device by service access to proprietary terminal, line resource is caused to waste, some areas have carried out repeated networking, when user carries out multiple business, different access devices is adopted for different service neededs, increased user cost.
Therefore, it is necessary to provide a kind of improved telecom service integrated forwarding unit to overcome drawbacks described above.
The content of the invention
Present invention is primarily targeted at providing a kind of remote-wireless data sink, the remote-wireless data sink can access different business and can be connected with multiple business terminal, so as to realize that multiple terminal equipment shares a signal access device, avoid repeated networking, line resource is saved, while reducing operation cost.
To reach above-mentioned purpose, the present invention provides a kind of remote-wireless data sink, including the cable of signal transmission and reception apparatus, chromacoder and the connection signal transmission and reception apparatus and the chromacoder.The signal transmission and reception apparatus include the antenna for receiving and sending the radiofrequency signal for carrying speech business, broadcast television service and data service and the housing being connected with the antenna.The signal processing module for processing the radiofrequency signal is provided with the housing.The chromacoder includes shell and is placed in the printed circuit-board assembly of the enclosure.The printed circuit-board assembly is provided with signal conversion module, the signal conversion module is used to for the radiofrequency signal for carrying speech business, broadcast television service and data service received from the signal transmission and reception apparatus to be separately sent to speech business terminal, broadcast television service terminal and data service terminal, while for the baseband signal for carrying speech business, broadcast television service and data service that institute's voice traffic terminal, broadcast television service terminal and data service terminal send to be sent in the signal processing module.
In one embodiment of the invention, the signal processing module includes the first communication unit, recognition unit and the second communication unit.First communication unit includes a descending receiving unit, and the downlink reception unit is used to receive the downstream signal for carrying speech business, broadcast television service and data service.The recognition unit is used to carry out type of service identification to the downstream signal for carrying speech business, broadcast television service and data service that first communication unit is received.Second communication unit includes a descending transmitting element, the descending transmitting element is used for the class of service of the downstream signal for identifying according to the recognition unit, and the downstream signal is sent respectively into speech business terminal, broadcast television service terminal and data service terminal.
In another embodiment of the invention, second communication unit also includes uplink receiving unit, and the uplink receiving unit is used to receive the upward signal for carrying speech business, broadcast television service and data service that institute's voice traffic terminal, broadcast television service terminal and data service terminal send.First communication unit also includes up transmitting element, and the up transmitting element is used to send the uplink receiving unit of second communication unit by carrying the upward signal of speech business, broadcast television service and data service described in the recognition unit transparent transmission.The downlink reception unit and up transmitting element of first communication unit is coupled with the antenna.
In another embodiment of the present invention, the signal conversion module includes downstream signal reception unit, downstream signal converting unit and downstream signal transmitting element.The downstream signal reception unit receives respectively the radiofrequency signal for carrying data service by the radiofrequency signal for carrying speech business for sending of signal processing module described in institute's voice traffic channel reception, the radiofrequency signal that broadcast television service is carried by the broadcast television service channel reception and by the data service channel.The downstream signal converting unit is used to that the signal that the downstream signal reception unit is received to be converted into respectively for the baseband signal of voice traffic, broadcast television service communication and data service communications.The downstream signal transmitting element is used to for the baseband signal for voice traffic, broadcast television service communication and data service communications to be separately sent to institute's voice traffic terminal, broadcast television service terminal and data service terminal.
It is preferred that the terminal interface includes network signal interface, digital signal interface and analog signal interface.
The signal conversion module also includes upward signal receiving unit, upward signal converting unit and upward signal transmitting element.The baseband signal for broadcast television service communication that the upward signal receiving unit receives institute's voice traffic terminal baseband signal for voice traffic for sending, receives the broadcast television service terminal transmission, receives the baseband signal for data service communications that the data service terminal sends.The upward signal converting unit is used to be converted into carrying the radiofrequency signal of speech business, broadcast television service and data service respectively respectively by the baseband signal that the upward signal receiving unit is received.The upward signal transmitting element is sent to the signal processing module the radiofrequency signal for carrying broadcast television service and by the data service channel the radiofrequency signal for carrying speech business, by the broadcast television service passage by institute's voice traffic passage the radiofrequency signal for carrying data service respectively.
The printed circuit-board assembly of the chromacoder is provided with some terminal interfaces for connecting the service terminal, the cable interface has the docking section docked with external plug with terminal interface, the shell is provided with some openings that the shell is stretched out for the docking section, and the downstream signal transmitting element and upward signal receiving unit of the signal conversion module are received and sending signal by the terminal interface.
In one more embodiment of the present invention, the cable includes HDMI wire, several to netting twine and coaxial wire.The HDMI wire is used as the physical support that digital television business signal is transmitted in data service channel.It is described it is several to netting twine as the physical support that network traffic signals or IP telephone service signal are transmitted in the data service channel.Physical support of the coaxial wire as the broadcast television service passage.
Compared with prior art, the remote-wireless data sink of the present invention can access different business by the signal transmission and reception apparatus, and be connected from various different service terminals by chromacoder, therefore the repeated networking of the operator of different business is avoided, line resource has been saved, operation cost has been reduced.Because the telecom service integrated transmission device of the present invention utilizes wireless receiving, adopt and be wirelessly transferred, therefore reduce line management and maintenance, reduce maintenance workload.In addition, the remote-wireless data sink set function of gateway, TV set-top box and telephone modem of the present invention, so that user is without installing again multiple access devices, therefore installing space is not only saved, and can support that digital TV in high resolution, simulated television, online computing, digital broadcasting and IP phone communicate, low cost of manufacture, it is practical, it is easy to popularization and popularization.
By description below and accompanying drawing is combined, the present invention will become more fully apparent, these accompanying drawings are used to explain embodiments of the invention.
Description of the drawings
Fig. 1 is the network topology block diagram of current speech business telephony.
Fig. 2 is the network topology block diagram of current data service data network technology.
Fig. 3 is the network topology block diagram of current broadcast television service radio data system.
Fig. 4 a are the schematic perspective view of one embodiment of the remote-wireless data sink of the present invention.
Fig. 4 b are the three-dimensional exploded view of one embodiment of the remote-wireless data sink of the present invention.
Fig. 5 is the schematic perspective view of the signal transmission and reception apparatus of remote-wireless data sink shown in Fig. 4 b.
Fig. 6 is the structured flowchart of the signal processing module of signal transmission and reception apparatus shown in Fig. 5.
Fig. 7 a are the schematic perspective view of the chromacoder of remote-wireless data sink shown in Fig. 4 b.
Fig. 7 b are the schematic perspective view of another angle of chromacoder of remote-wireless data sink shown in Fig. 4 b.
Fig. 8 a are the schematic diagram of the printed circuit-board assembly of chromacoder shown in Fig. 7 a.
Fig. 8 b are the structured flowchart of the signal conversion module of chromacoder shown in Fig. 7 a.
Fig. 9 is the schematic perspective view of the cable of remote-wireless data sink shown in Fig. 4 b.
Figure 10 is the structural representation of cable shown in Fig. 9.
Specific embodiment
To describe the technology contents of the present invention in detail, structural feature, being realized purpose and effect, below in conjunction with embodiment and accompanying drawing is coordinated to be explained in detail.
As shown in figures 4 a and 4b, remote-wireless data sink of the invention includes signal transmission and reception apparatus 40, chromacoder 60 and connects the cable 50 of the signal transmission and reception apparatus and the chromacoder.
With reference to Fig. 5 and Fig. 6, the signal transmission and reception apparatus 40 include the antenna 41 for receiving and sending the radiofrequency signal for carrying speech business, broadcast television service and data service and the housing 42 being connected with the antenna.Signal processing module 420 is provided with inside the housing 42, the signal processing module 420 includes the first communication unit 421, the communication unit 423 of recognition unit 422 and second.First communication unit 421 includes downlink reception unit 421a and up transmitting element 421b.The downlink reception unit 421a of first communication unit 421 and up transmitting element 421b are coupled with the antenna 41.Second communication unit 423 includes descending transmitting element 423a and uplink receiving unit 423b.One cable interface 43 stretches out from the opening of the housing 42, for being connected with the cable 50.
The downlink reception unit 421a of the first communication unit 421 of the signal processing module 420 is used to receive the signal for carrying speech business, broadcast television service and data service.The signal for carrying speech business, broadcast television service and data service that the recognition unit 422 of the signal processing module 420 is used to receive the downlink reception unit 421a of the first communication unit 421 of the signal processing module 420 carries out type of service identification.The descending transmitting element 423a of the second communication unit 423 of the signal processing module 420 is used for the class of service of the signal for identifying according to the recognition unit 422, and speech business terminal is sent to by the speech business passage of the cable 440, broadcast television service terminal is sent to by the broadcast television service passage of the cable 440 and is sent to data service terminal by the data service channel of the cable 440 signal respectively.
As shown in figure 9, in the present embodiment, the two ends of the cable 50 are provided with interface plug 50a, for being plugged on signal transmission and reception apparatus 40 and chromacoder 60.With reference to Figure 10, the cable 50 includes a HDMI wire 53 of netting twine 52,18 of coaxial wire 51,4 pairs and two power lines 54.The coaxial wire 51 is located at the center of the cable, first screen layer 51a is wrapped in outside the radio frequency coaxial-cable line 51, four pairs of netting twines 52 are wrapped in outside first screen layer 51a with certain lay, secondary shielding layer 52a is wrapped in outside four pairs of netting twines 52, the HDMI wire 53 and power line 54 are wrapped in outside secondary shielding layer 52a with certain lay, exterior shield layer 50a is wrapped in outside the HDMI wire 53, and serving 50b is coated to the exterior shield layer 50a.
Physical support of the coaxial wire 51 as the broadcast television service passage, four networking lines 52 are used as the physical support that network traffic signals or IP telephone service signal are transmitted in the data service channel, 18 HDMI wires 53 are used as the physical support that digital television business signal is transmitted in data service channel, the power line 54 is used to be powered to inactive component, so that described cable possesses the function of transmitting data signal, analog signal and network signal simultaneously in parallel.
Fig. 7 a-7b are the stereogram of the chromacoder 60.The chromacoder 60 includes shell 610 and the printed circuit-board assembly 620 being placed in inside the shell 610.Include signal conversion module 430 on the printed circuit-board assembly 620, the signal conversion module 430 includes the first signal transmitting and receiving unit 431, signal conversion unit 432 and secondary signal Transmit-Receive Unit 433.The first signal transmitting and receiving unit 431 includes downstream signal reception unit 431a and upward signal transmitting element 431b.The signal conversion unit 432 includes downstream signal converting unit 432a and upward signal converting unit 432b.The secondary signal Transmit-Receive Unit 433 includes downstream signal transmitting element 433a and upward signal receiving unit 433b.
As shown in Figure 8 a, the side of the printed circuit-board assembly 620 is provided with cable interface 621, and relative side is provided with least three kinds terminal interfaces 622.Total cable interface 621 all has the docking section 6211,6221 docked with external plug with terminal interface 622.The terminal interface generally includes network signal interface, digital signal interface and analog signal interface.The network signal interface is used to connect IP phone and computer, and digital signal interface is used to connect DTV, and analog signal interface is used to connect simulated television and radio.
The side of the shell 610 is provided with an opening and stretches out for the docking section 6211 of the cable interface 621, and opposite side sets 7 openings and stretches out for the docking section 6221 of the terminal interface 622.
In the present embodiment, the terminal interface 622 includes two HDMIs 622a, TV interface 622b, cable interface 622c, IP phone interface 622d, COBBAIF 622e, S terminal interfaces 622f.HDMI 622a is used for being connected with digital TV in high resolution, TV interfaces 622b and S terminal interface 622f is used for being connected with simulated television, the cable interface 622c is used for connecting computer, IP phone interface 622d for connecting IP phone, and COBBAIF 622e is used for connecting radio.
The terminal corresponding with the heart yearn of the cable 50 is provided with the cable interface 621 of the cable interface 43 of the signal transmission and reception apparatus 40 and the signal retransmission unit 60.
The operation principle of remote-wireless data sink of the present invention is：During downlink communication, the antenna 41 is received after the radiofrequency signal for carrying speech business, broadcast television service and data service that service station sends, the signal processing module 420 in input signal transmission and reception apparatus 40.The recognition unit 422 of the signal processing module 420 recognizes the class of service of the radiofrequency signal that the downlink reception unit 421a of first communication unit 421 is received.The descending transmitting element 423a of the second communication unit 423 of the signal processing module 420 is used for the class of service identified according to the recognition unit 422, respectively the radiofrequency signal is sent into the signal by speech business passage corresponding with speech business broadcast television service passage corresponding with broadcast television service and data service channel corresponding with data service and fills the signal conversion module 430 for causing 60 that changes the outfit.The downstream signal reception unit 431a of the first signal transmitting and receiving unit 431 of the signal conversion module 430 receives respectively the radiofrequency signal for carrying data service by the radiofrequency signal for carrying speech business for sending of signal processing module 420 described in institute's voice traffic channel reception, the radiofrequency signal that broadcast television service is carried by the broadcast television service channel reception and by the data service channel.Downstream signal converting unit 432a of the signal conversion unit 432 of the signal conversion module 430 is respectively converted into the signal that the downstream signal reception unit 431a of the first signal transmitting and receiving unit 431 is received for the baseband signal of voice traffic, broadcast television service communication and data service communications.The downstream signal transmitting element 433a of the secondary signal Transmit-Receive Unit 433 of the signal conversion module 430 sends the baseband signal for voice traffic, broadcast television service communication and data service communications to each service terminal by terminal interface 622.
During uplink communication, each service terminal sends baseband signal for voice traffic by corresponding terminal interface 622 to the secondary signal Transmit-Receive Unit 433 of the signal conversion module 430 respectively, for the baseband signal and the baseband signal for data service communications of broadcast television service communication.The upward signal receiving unit 433b of the secondary signal Transmit-Receive Unit 433 of the signal conversion module 430 receives the baseband signal for voice traffic, the baseband signal that broadcast television service communicates and data service communications.The baseband signal that the upward signal receiving unit 433b of the secondary signal Transmit-Receive Unit 433 is received is converted into carrying the radiofrequency signal of speech business, broadcast television service and data service respectively respectively by upward signal converting unit 432b of the signal conversion unit 432 of the signal conversion module 430.The upward signal transmitting element 431b of the first signal transmitting and receiving unit 431 of the signal conversion module 430 is sent to the signal processing module 420 the radiofrequency signal for carrying broadcast television service and by the data service channel the radiofrequency signal for carrying speech business, by the broadcast television service passage by institute's voice traffic passage the radiofrequency signal for carrying data service respectively.Up receiving unit 423b of the second communication unit 423 of the signal processing module 420 receives the radiofrequency signal for carrying speech business, broadcast television service and data service that the upward signal transmitting element 431b of the first signal transmitting and receiving unit 431 of the signal conversion module 430 sends.The radiofrequency signal is sent to service station by the up transmitting element 421b of the first communication unit 421 of the signal processing module 420 by antenna 41.
The remote-wireless data sink of the present invention allows various terminal equipment to share the service required for equipment is obtained, it is to avoid the repeated networking of the operator of different business, has saved line resource, reduces operation cost.Because the telecom service integrated transmission device of the present invention utilizes wireless receiving, adopt and be wirelessly transferred, therefore reduce line management and maintenance, reduce maintenance workload.In addition, the remote-wireless data sink set function of gateway, TV set-top box and telephone modem of the present invention, so that user is without installing again multiple access devices, therefore installing space is not only saved, and can support that digital TV in high resolution, simulated television, online computing, digital broadcasting and IP phone communicate, low cost of manufacture, it is practical, it is easy to popularization and popularization.
The digital signal interface is not limited only to HDMI, and the interface of any transmittable data signal belongs to protection scope of the present invention.The analog signal interface is also not limited to S terminals, and any interface that can connect simulated television belongs to protection scope of the present invention.
Remote-wireless data sink of the present invention is not limited only to plug type structure, and integral structure falls within protection scope of the present invention.
Above disclosed is only presently preferred embodiments of the present invention, can not limit the interest field of the present invention, therefore the equivalent variations made according to scope of the present invention patent with this certainly, still belongs to the scope that the present invention is covered.
Claims (6)
1. a kind of remote-wireless data sink, it is characterised in that include：
Signal transmission and reception apparatus, the signal transmission and reception apparatus include the antenna for receiving and sending the radiofrequency signal for carrying speech business, broadcast television service and data service and the housing being connected with the antenna, and the signal processing module for processing the radiofrequency signal is provided with the housing；
Chromacoder, the chromacoder includes shell and is placed in the printed circuit-board assembly of the enclosure, the printed circuit-board assembly is provided with signal conversion module, the signal conversion module is used to carry speech business by what is received from the signal transmission and reception apparatus, broadcast television service and the signal of data service are separately sent to speech business terminal, broadcast television service terminal and data service terminal, it is used for institute's voice traffic terminal simultaneously, what broadcast television service terminal and data service terminal sent carries speech business, broadcast television service and the baseband signal of data service are sent to the signal transmission and reception apparatus；And
Connect the cable of the signal transmission and reception apparatus and the chromacoder.
2. remote-wireless data sink as claimed in claim 1, it is characterised in that：The signal processing module includes：
First communication unit, first communication unit includes a descending receiving unit, and the downlink reception unit is used to receive the downstream signal for carrying speech business, broadcast television service and data service；
Recognition unit, the recognition unit is used to carry out type of service identification to the downstream signal for carrying speech business, broadcast television service and data service that first communication unit is received；
Second communication unit, second communication unit includes a descending transmitting element, and the descending transmitting element is used for the class of service of the downstream signal for identifying according to the recognition unit and the downstream signal is sent respectively into speech business terminal, broadcast television service terminal and data service terminal.
3. remote-wireless data sink as claimed in claim 2, it is characterised in that：Second communication unit also includes：
Uplink receiving unit, the uplink receiving unit is used to receive the upward signal for carrying speech business, broadcast television service and data service that institute's voice traffic terminal, broadcast television service terminal and data service terminal send.
4. remote-wireless data sink as claimed in claim 3, it is characterised in that：First communication unit also includes：
Up transmitting element, the up transmitting element is used to send the uplink receiving unit of second communication unit by carrying the upward signal of speech business, broadcast television service and data service described in the recognition unit transparent transmission.
5. wireless access retransmission unit as claimed in claim 4, it is characterised in that：The downlink reception unit and up transmitting element of first communication unit is coupled with the antenna.
6. remote-wireless data sink as claimed in claim 1, it is characterised in that：The signal conversion module includes：
Downstream signal reception unit, the downstream signal reception unit receives respectively the radiofrequency signal for carrying data service by the radiofrequency signal for carrying speech business for sending of signal processing module described in institute's voice traffic channel reception, the radiofrequency signal that broadcast television service is carried by the broadcast television service channel reception and by the data service channel；
Downstream signal converting unit, the downstream signal converting unit is used to that the signal that the downstream signal reception unit is received to be converted into respectively for the baseband signal of voice traffic, broadcast television service communication and data service communications；
Downstream signal transmitting element, the downstream signal transmitting element is used to for the baseband signal for voice traffic, broadcast television service communication and data service communications to be separately sent to institute's voice traffic terminal, broadcast television service terminal and data service terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763131.XA CN106685769A (en) | 2015-11-09 | 2015-11-09 | Remote wireless data receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763131.XA CN106685769A (en) | 2015-11-09 | 2015-11-09 | Remote wireless data receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106685769A true CN106685769A (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510763131.XA Pending CN106685769A (en) | 2015-11-09 | 2015-11-09 | Remote wireless data receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106685769A (en) |
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2015
- 2015-11-09 CN CN201510763131.XA patent/CN106685769A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |
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| WD01 | Invention patent application deemed withdrawn after publication |