CN209330107U - A kind of multifunctional water-proofing intercom - Google Patents
A kind of multifunctional water-proofing intercom Download PDFInfo
- Publication number
- CN209330107U CN209330107U CN201920114402.2U CN201920114402U CN209330107U CN 209330107 U CN209330107 U CN 209330107U CN 201920114402 U CN201920114402 U CN 201920114402U CN 209330107 U CN209330107 U CN 209330107U
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- China
- Prior art keywords
- shell
- proofing
- intercom
- multifunctional water
- controller
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Abstract
The utility model discloses a kind of multifunctional water-proofing intercoms, including shell, it is located at the display screen of shell front panel, the loudspeaker for being located at shell front panel and being located above display screen, it is located at shell front panel and is located at the infrared probe of loudspeaker side, it is located at the switch button panel on shell front panel and being located at below display screen, it is located at shell front panel and is located at the microphone of switch button below the panel, the antenna being hinged on the upside of shell, the fm dial being located on the upside of shell, the charging interface being located on the downside of shell, the USB interface being located on the downside of shell, it is located at the intracorporal battery of shell, the waterproof cover for being hinged on housing side and being matched with front panel, it is located at the intracorporal talkback system of shell.The multifunctional water-proofing intercom of the utility model has the function of waterproof, intelligent frequency modulation, standby middle by infrared probe induction human body and can wake up work etc..
Description
Technical field
The utility model relates to communications device apparatus fields, more particularly, to a kind of multifunctional water-proofing intercom.
Background technique
Intercom can be conversed and not as a kind of mobile communication facility in the case where not needing any network support
Telephone expenses can be generated, suitable for relatively fixed and frequently conversing occasion, intercom there are three categories on the market at present: simulation intercommunication
Machine, digital walkie-talkie, IP intercom.Intercom application field is wide, between Team Member contact and command scheduling, to mention
High communication efficiency and the quick-reaction capability for improving processing emergency event.As intercom enters commercial market, people go out trip
Trip, shopping etc. also use intercom more and more.Although the use of intercom provides many conveniences to our life,
Be most of intercom have the disadvantage in that one, shape it is structurally not portable, be easy to fall in use；Two, exist
It is had a single function in terms of system function, only realizes intercommunication function, be unable to satisfy the various demands of people；Three, poor waterproof properties,
It is easy water inlet and damages；Four, it when group uses intercom, needs member that intercom is adjusted to same frequency and realizes that intercommunication is led to
Words, artificial adjust operate more troublesome and are easy to be adjusted to the frequency of mistake artificially to influence intercommunication call；Five, intercom obtains
The information taken can not store.
Utility model content
Utility model aims to solve the deficiencies in the prior art, a kind of use process is provided and is not easy to fall, have
The multifunctional water-proofing intercom of the multiple functions such as water-proof function, automatic frequency adjustment function, store function.
The technical scheme in the invention for solving the above technical problem is:
A kind of multifunctional water-proofing intercom including shell, the display screen that is located at shell front panel, is located at shell front panel simultaneously
Loudspeaker above display screen, is located at before shell the infrared probe for being located at shell front panel and being located at loudspeaker side
On plate and be located at display screen below switch button panel, be located at shell front panel and be located at switch button below the panel Mike
Wind, the fm dial being located on the upside of shell, the charging interface being located on the downside of shell, is located at shell at the antenna being hinged on the upside of shell
USB interface on the downside of body is located at the intracorporal battery of shell, the waterproof cover for being hinged on housing side and matching with front panel, sets
In the intracorporal talkback system of shell, switch button panel, antenna, microphone, loudspeaker, infrared probe, USB interface, battery
It is electrically connected with talkback system, battery is electrically connected with charging interface.In above technical scheme, display screen is for showing this reality
With each setting value of novel multifunctional water-proofing intercom, service condition and frequency signal including each function are being opened
With camera shooting perhaps camera function when display screen display camera shooting or picture of taking pictures.The control of switch button panel can be used in user
The switch of each function of the multifunctional water-proofing intercom of the utility model.User can adjust selection letter by fm dial
Road.Antenna increases the stability of frequency signal reception.Microphone and loudspeaker realize the basic function of intercommunication, and microphone is received
Collect the voice signal on the machine periphery and be converted to the first electric signal and send talkback system to, talkback system is by the first electric signal
It is converted to local frequency signal and sends outside to；Talkback system also collects External frequency signals and is converted to the second telecommunications
Number, talkback system sends the second electric signal to loudspeaker, and the second electric signal is converted to voice signal by loudspeaker, thus real
The function of intercommunication between user is showed.Power supply of the battery for the multifunctional water-proofing intercom of the utility model, user can be with
It is charged a battery by charging interface.User can will be in the multifunctional water-proofing intercom of the utility model by USB interface
Information export.When the multifunctional water-proofing intercom of the utility model is not used for a long time, talkback system enters suspend mode shape
State, when multifunctional water-proofing intercom of the human body close to the utility model, letter that infrared probe detects human body and will test
Number talkback system is fed back to, to wake up talkback system work, further reduces the multi-functional anti-of the utility model
The unnecessary electric quantity consumption of water intercom, increase the multifunctional water-proofing intercom of the utility model uses time and energy conservation
Environmental protection.Housing side is additionally provided with mechanism in a helpless situation, can be carried with more surely leaning on by organization user in a helpless situation or practical new using this
The multifunctional water-proofing intercom of type, the multifunctional water-proofing intercom for reducing the utility model fall the probability of even damage.
Preferably, talkback system includes the radio frequency detection mould for being located at the intracorporal controller of shell, being electrically connected with the controller
Block, the automatic frequency adjustment module being electrically connected with the controller, the radio frequency sending module being electrically connected with the controller and automatic frequency adjustment module connect
The radio frequency link block connect, the memory module being electrically connected with the controller, memory module are electrically connected with USB interface, switch button face
Plate, antenna, fm dial, infrared probe, battery, loudspeaker, microphone are electrically connected with the controller.Above technical scheme
In, frequency signal that the other intercoms of RF detection module real-time detection issue and by frequency signal transmission to controller；Control
Device receives the frequency signal of RF detection module transmission and sends frequency modulation order to automatic frequency adjustment module；Automatic frequency adjustment module receives
The frequency modulation order of controller simultaneously adjusts the machine communication frequency until matching with the frequency signal that RF detection module detects, certainly
Dynamic FM module is completed to connect automatically by radio frequency link block with other intercoms after adjusting the machine communication frequency.This is practical new
After the multifunctional water-proofing intercom and other intercoms of type establish a connection, microphone collects the voice signal of user simultaneously
Voice signal is converted into the first electric signal, for microphone by the first electric signal transmission to controller, controller handles the first telecommunications
Number and send radiofrequency signal to radio frequency sending module, radio frequency sending module externally sends current communication frequency, other intercoms
Communication frequency is received to realize communicating talkback function；RF detection module is by the frequency signal transmission received to control
Device, controller processing frequency signal simultaneously transmit the second electric signal to loudspeaker, and the second electric signal is converted to sound by loudspeaker to be believed
Number, so that user answers voice signal and realizes communicating talkback function.Memory module is used to store more function of the utility model
The information of waterproof intercom can simultaneously be exported information by USB interface.When automatic frequency adjustment module sends failure, user is still
Usable fm dial manually adjusts the frequency of intercom.When the multifunctional water-proofing intercom of the utility model is not used for a long time
When, controller enters dormant state, and when multifunctional water-proofing intercom of the human body close to the utility model, infrared probe is detected
The human body and signal that will test feeds back to controller further reduces practical to wake up talkback system work
The unnecessary electric quantity consumption of novel multifunctional water-proofing intercom increases making for the multifunctional water-proofing intercom of the utility model
With time and energy conservation and environmental protection.
Preferably, shell front panel is surrounded by annular seal groove, waterproof cover is surrounded by match with annular seal groove
The Gask-O-Seal of conjunction.In above technical scheme, waterproof cover lid is closed on shell front panel, so that Gask-O-Seal is fastened on
In annular seal groove, to realize the water-proof function of the multifunctional water-proofing intercom of the utility model, water is limitedly reduced
Into the probability of the multifunctional water-proofing intercom of the utility model, solves the non-moistureproof non-water-tight disadvantage of existing intercom.It is anti-
Water cover lid closes on shell front panel, also plays a protective role to shell front panel, reduces shell front panel and is damaged, thus
Further increase the service life of the multifunctional water-proofing intercom of the utility model.
Preferably, waterproof cover is equipped with the observation window of the transparence matched with display screen.In above technical scheme, waterproof
Lid lid is closed in shell front panel, and user can still read the information on display screen by observation window.
Preferably, charging interface and USB interface are equipped with waterproof plug.In above technical scheme, waterproof plug to charge
Interface and USB interface have waterproof and dampproof function.When using charging interface and USB interface, only waterproof plug need to be easily removed
?；Waterproof plug is filled in charging interface and USB interface again when finishing by charging interface and USB interface use.
Preferably, mechanism in a helpless situation includes the pedestal for being located at housing side, sets band in a helpless situation on the base, is located in pedestal
And the spring with band connection in a helpless situation；Pedestal is equipped with groove, and spring is located in groove.In above technical scheme, user carry or
Using the utility model multifunctional water-proofing intercom when, palm can be protruded into band in a helpless situation, so that band in a helpless situation will this be practical new
The multifunctional water-proofing intercom lock ring of type is fixed on user hand palm, to reduce user, intercom is slid in use
Probability.Groove is located at spring more steadily in pedestal, so that band in a helpless situation is more steadily by the utility model
Multifunctional water-proofing intercom be stabilized in user hand palm, create a further reduction user in use intercom slide
Probability, and increase the service life of spring.
Preferably, being additionally provided with the headlamp being electrically connected with the controller respectively, warning lamp, switch button panel on the upside of shell
Including talk-listen switch connected to the controller, light switch, alarm switch respectively, light switch controls the switch of headlamp, report
The switch of alert switch control warning lamp.In above technical scheme, headlamp increases the multifunctional water-proofing intercommunication of the utility model
The illumination functions of machine, warning lamp increase the alarm function of the multifunctional water-proofing intercom of the utility model, the use of warning lamp
The multifunctional water-proofing intercom of the utility model can be made to be easier to be found, so that intercommunication both sides are easier discovery pair
Side.Talk-listen switch is used to control the switch of the multifunctional water-proofing intercom intercommunication call of the utility model, and light switch is for controlling
The switch of the headlamp of the multifunctional water-proofing intercom of the utility model processed, alarm switch are used to control more function of the utility model
The switch of the warning lamp of waterproof intercom.
Preferably, being equipped with the mounting groove of lower section corresponding with battery on rear side of shell, removably it is equipped on mounting groove
Back-cover, back-cover are equipped with buckle, and mounting groove is equipped with the buckle slot matched with buckle, buckle slot are installed by buckle, to carry on the back
Lid is removably mounted on mounting groove, and battery is installed into mounting groove, so that battery is detachably arranged in shell；Back
Lid is additionally provided with a groove.In above technical scheme, battery is detachably arranged on shell, has been used so as to easily replace
Most or non-serviceable battery.Back-cover is not easy to drop out after making battery be installed into mounting groove.Back-cover is equipped with a groove,
It is installed convenient for the disassembly of back-cover.
Preferably, back side of shell is equipped with the camera being electrically connected with the controller, shooting switch is equipped with below talk-listen switch.
In above technical scheme, user can be used camera and take pictures or image current picture, and be stored in memory module, user
It can check and take pictures or camera picture on a display screen.Shooting switch is taken pictures or the unlatching of camera function for controlling.
Preferably, housing side is additionally provided with the volume adjustment key being electrically connected with the controller, the ear being electrically connected with the controller
Machine transplanting of rice hole, earphone jack are located on the upside of shell；Shell is additionally provided with the compass above display screen；Headlamp is LED light, is stored
Battery is lithium battery.In above technical scheme, user can adjust the volume of intercommunication call, volume by volume adjustment key
Adjusting key and band in a helpless situation are located at shell two sides, facilitate user in the multifunctional water-proofing intercom mistake using the utility model
The volume for adjusting volume in journey, and more easily needing volume adjustment to itself.User can be made by earphone jack
With earphone, one side user does not have to hold intercom with hand in real time and uses intercom against ear, has further facilitated use
Family uses the multifunctional water-proofing intercom of the utility model；On the other hand, can effectively to prevent intercommunication message using earphone outer
It hears on boundary.Compass facilitates user discrimination geographic orientation.
The utility model has the beneficial effect that
1, providing one kind has the function of water-proof function, automatic frequency adjustment, store function, illumination functions, camera function, warning function
The multifunctional water-proofing intercom of energy and orientation discriminating function；
2, the multifunctional water-proofing intercom of the utility model is not easy to fall in carrying or use process；
3, information is stored and is exported by USB interface by the multifunctional water-proofing intercommunication function of the utility model；
4, the multifunctional water-proofing intercom of the utility model is not easy to break.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the watchband type intercom of the utility model；
Fig. 2 is the structure schematic diagram of the watchband type intercom of the utility model；
Fig. 3 is the schematic diagram of the structure in a helpless situation of the watchband type intercom of the utility model；
Fig. 4 is the system schematic of the watchband type intercom of the utility model.
In figure: 1, shell, 2, display screen, 3, loudspeaker, 4, switch button panel, 41, talk-listen switch, 42, light switch,
43, alarm switch, 5, microphone, 6, antenna, 7, fm dial, 8, charging interface, 9, USB interface, 10, shell front panel, 11,
Waterproof cover, 12, mechanism in a helpless situation, 121, pedestal, 122, band in a helpless situation, 123, spring, 124, groove, 13, controller, 14, radio frequency inspection
Survey module, 15, automatic frequency adjustment module, 16, radio frequency sending module, 17, radio frequency link block, 18, memory module, 19, annular it is close
Sealing groove, 20, Gask-O-Seal, 21, observation window, 22, infrared probe, 23, headlamp, 24, warning lamp, 25, mounting groove, 26, back
Lid, 27, buckle, 28, buckle slot, 29, groove, 30, camera, 31, shooting switch, 32, volume adjustment key, 33, earphone insert
Hole, 34, compass.
Specific embodiment
The utility model is further described below in conjunction with drawings and embodiments.
As shown in Figs 1-4, a kind of multifunctional water-proofing intercom, including shell 1, the display screen 2 that is located at shell front panel 10,
It is located at shell front panel 10 and is located at the loudspeaker 3 of 2 top of display screen, is located at shell front panel 10 and is located at 3 side of loudspeaker
Infrared probe 22, be located on shell front panel 10 and be located at the lower section of display screen 2 switch button panel 4, be located at before shell
Plate 10 is simultaneously located at the microphone 5 of 4 lower section of switch button panel, the antenna 6 for being hinged on 1 upside of shell, the tune being located on the upside of shell
Frequency knob 7, the charging interface 8 for being located at the downside of shell 1, the USB interface 9 for being located at 1 downside of shell, the battery being located in shell 1,
It is hinged on 1 side of shell and the waterproof cover 11 matched with shell front panel 10, the talkback system being located in shell 1, is switched
Push button panel 4, antenna 6, fm dial 7, microphone 5, loudspeaker 3, infrared probe 22, USB interface 9, battery are and intercommunication
The electrical connection of machine system, battery are electrically connected with charging interface 8.1 side of shell is additionally provided with mechanism 12 in a helpless situation, passes through mechanism 12 in a helpless situation
User more surely can carry or use the multifunctional water-proofing intercom of the utility model by ground, reduce more function of the utility model
Waterproof intercom falls the probability of even damage.
In the present embodiment, talkback system includes the controller 13 being located in shell 1, the radio frequency being electrically connected with controller 13
Detection module 14, the automatic frequency adjustment module 15 being electrically connected with controller 13, the radio frequency sending module 16 being electrically connected with controller 13,
The radio frequency link block 17 being connect with automatic frequency adjustment module 15, the memory module 18 being electrically connected with controller 13, memory module 18
It is electrically connected with USB interface 9, switch button panel 4, antenna 6, fm dial 7, infrared probe 22, battery, loudspeaker 3, Mike
Wind 5 is electrically connected with controller 13.
In the present embodiment, shell front panel 10 is surrounded by annular seal groove 19, and waterproof cover 11 is surrounded by close with annular
The Gask-O-Seal 20 that sealing groove 19 matches.
In the present embodiment, waterproof cover 11 is equipped with the observation window 21 of the transparence matched with display screen 2.
In the present embodiment, charging interface 8 and USB interface 9 are equipped with waterproof plug.
In the present embodiment, mechanism 12 in a helpless situation includes being located at the pedestal 121 of 1 side of shell, the band in a helpless situation being located on pedestal 121
122, it is located at the spring 123 connecting in pedestal 121 and with band 122 in a helpless situation；Pedestal 121 is equipped with groove 124, and spring 123 is located at recessed
In slot 124.
In the present embodiment, it is additionally provided with the headlamp 23 being electrically connected respectively with controller 13, warning lamp 24 on the upside of shell 1, opens
Closing push button panel 4 includes talk-listen switch 41, light switch 42, the alarm switch 43 connecting respectively with controller 13, light switch
The switch of 42 control headlamps 23, alarm switch 43 control the switch of warning lamp 24.
In the present embodiment, the mounting groove 25 of lower section corresponding with battery is equipped on rear side of shell 1, it is detachable on mounting groove 25
Ground is equipped with back-cover 26, and back-cover 26 is equipped with buckle 27, and mounting groove 25 is equipped with the buckle slot 28 matched with buckle 27, passes through buckle 27
It is installed into buckle slot 28, so that back-cover 26 is removably mounted on mounting groove 25, battery is installed into mounting groove 25, thus
Battery is detachably arranged in shell；Back-cover 26 is additionally provided with a groove 29.
In the present embodiment, it is equipped with the camera 30 being electrically connected with controller 13 on rear side of shell 1, is equipped with below talk-listen switch 41
Shooting switch 31.
In the present embodiment, 1 side of shell is additionally provided with 13 electricity of the volume adjustment key 32 being electrically connected with controller 13 and controller
The earphone jack 33 of connection, earphone jack 33 are located at 1 upside of shell；Shell 1 is additionally provided with the compass above display screen 2
34；Headlamp 23 is LED light, and battery is lithium battery.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.To the above-mentioned of the disclosed embodiments
Illustrate, professional and technical personnel in the field is made to can be realized or use the utility model.Various modifications to these embodiments are to this
Will be apparent for the professional technician in field, the general principles defined herein can not depart from it is practical
In the case where novel spirit or scope, realize in other embodiments.Therefore, the utility model is not intended to be limited to herein
Shown in these embodiments, and be to fit to the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. a kind of multifunctional water-proofing intercom, it is characterised in that: including shell (1), be located at the display screens of shell front panel (10)
(2), be located at shell front panel (10) and be located at display screen (2) above loudspeaker (3), be located at shell front panel (10) and be located at
The infrared probe (22) of loudspeaker (3) side, the switch button for being located on shell front panel (10) and being located at below display screen (2)
Panel (4), is hinged on shell (1) at the microphone (5) for being located at shell front panel (10) and being located at below switch button panel (4)
The antenna (6) of upside, the charging interface (8) being located on the downside of shell (1), is located at shell at the fm dial (7) being located on the upside of shell
(1) USB interface (9) on the downside of, the battery being located in shell (1), be hinged on shell (1) side and with shell front panel (10)
The waterproof cover (11) matched, the talkback system being located in shell (1), switch button panel (4), antenna (6), fm dial
(7), microphone (5), loudspeaker (3), infrared probe (22), USB interface (9), battery are electrically connected with talkback system, are stored
Battery is electrically connected with charging interface (8).
2. a kind of multifunctional water-proofing intercom according to claim 1, it is characterised in that: talkback system includes being located at shell
Controller (13) in body (1), is electrically connected the RF detection module (14) that is electrically connected with controller (13) with controller (13)
Automatic frequency adjustment module (15) is connect with the radio frequency sending module (16) of controller (13) electrical connection, with automatic frequency adjustment module (15)
Radio frequency link block (17), the memory module (18) that is electrically connected with controller (13), memory module (18) and USB interface (9)
Electrical connection, switch button panel (4), antenna (6), fm dial (7), infrared probe (22), battery, loudspeaker (3), Mike
Wind (5) is electrically connected with controller (13).
3. a kind of multifunctional water-proofing intercom according to claim 1 or 2, it is characterised in that: shell front panel (10) four
Week is equipped with annular seal groove (19), and waterproof cover (11) is surrounded by the Gask-O-Seal matched with annular seal groove (19)
(20)。
4. a kind of multifunctional water-proofing intercom according to claim 3, it is characterised in that: waterproof cover (11) is equipped with and display
The observation window (21) for the transparence that screen (2) matches.
5. a kind of multifunctional water-proofing intercom according to claim 1 or 2 or 4, it is characterised in that: charging interface (8) and
USB interface (9) is equipped with waterproof plug.
6. a kind of multifunctional water-proofing intercom according to claim 5, it is characterised in that: be additionally provided on the upside of shell (1) point
Headlamp (23), the warning lamp (24) not being electrically connected with controller (13), switch button panel (4) include respectively with controller
(13) talk-listen switch (41), the light switch (42), alarm switch (43) connected, light switch (42) control headlamp (23)
Switch, alarm switch (43) control the switch of warning lamp (24).
7. a kind of multifunctional water-proofing intercom described according to claim 1 or 2 or 4 or 6, it is characterised in that: on rear side of shell (1)
Mounting groove (25) equipped with lower section corresponding with battery is removably equipped with back-cover (26) on mounting groove (25), back-cover (26)
Equipped with buckle (27), mounting groove (25) is equipped with the buckle slot (28) matched with buckle (27), is installed into card by buckle (27)
Catching groove (28), so that back-cover (26) is removably mounted on mounting groove (25), battery is installed into mounting groove (25), thus
Battery is detachably arranged in shell；Back-cover (26) is additionally provided with a groove (29).
8. a kind of multifunctional water-proofing intercom according to claim 7, it is characterised in that: be equipped with and control on rear side of shell (1)
The camera (30) of device (13) electrical connection processed, talk-listen switch (41) lower section are equipped with shooting switch (31).
9. a kind of multifunctional water-proofing intercom according to claim 6 or 8, it is characterised in that: shell (1) side is additionally provided with
The volume adjustment key (32) being electrically connected with controller (13), the earphone jack (33) being electrically connected with controller (13), earphone jack
(33) it is located on the upside of shell (1).
10. a kind of multifunctional water-proofing intercom according to claim 9, it is characterised in that: shell (1) is additionally provided with to be located at and show
Compass (34) above display screen (2)；Headlamp (23) is LED light, and battery is lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114402.2U CN209330107U (en) | 2019-01-23 | 2019-01-23 | A kind of multifunctional water-proofing intercom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114402.2U CN209330107U (en) | 2019-01-23 | 2019-01-23 | A kind of multifunctional water-proofing intercom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209330107U true CN209330107U (en) | 2019-08-30 |
Family
ID=67731763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920114402.2U Expired - Fee Related CN209330107U (en) | 2019-01-23 | 2019-01-23 | A kind of multifunctional water-proofing intercom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209330107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115314062A (en) * | 2022-09-19 | 2022-11-08 | 泉州市众卓电子科技有限公司 | Super waterproof intercom |
-
2019
- 2019-01-23 CN CN201920114402.2U patent/CN209330107U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115314062A (en) * | 2022-09-19 | 2022-11-08 | 泉州市众卓电子科技有限公司 | Super waterproof intercom |
| CN115314062B (en) * | 2022-09-19 | 2024-02-27 | 泉州市众卓电子科技有限公司 | Super waterproof intercom |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20210123 |