CN110166736B - Wireless communication visitor calling platform for high building - Google Patents
Wireless communication visitor calling platform for high building Download PDFInfo
- Publication number
- CN110166736B CN110166736B CN201810336268.0A CN201810336268A CN110166736B CN 110166736 B CN110166736 B CN 110166736B CN 201810336268 A CN201810336268 A CN 201810336268A CN 110166736 B CN110166736 B CN 110166736B
- Authority
- CN
- China
- Prior art keywords
- outdoor
- indoor
- fixedly connected
- terminal
- signal transceiver
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a wireless communication visitor calling platform for high-rise buildings, which comprises an outdoor terminal and a mounting plate, wherein an outdoor display screen and outdoor keys are arranged on the surface of the outdoor terminal, an outdoor video module, an outdoor voice module and an outdoor wireless signal transceiver are fixedly connected inside the outdoor terminal from top to bottom in sequence, fixed blocks are fixedly connected to two sides of the bottom of the surface of the mounting plate, a cross rod is fixedly connected between opposite sides of the two fixed blocks, and movable blocks are slidably connected to two sides of the surface of the cross rod. This a wireless communication visitor calling platform for building high-rise installs indoor terminal between kerve and apical groove to can dismantle conveniently, can place different positions with indoor terminal, make people all can in time receive calling information when work or rest in different places, be convenient for in time respond the visitor, improve the convenience.
Description
Technical Field
The invention relates to the technical field of wireless communication equipment, in particular to a wireless communication visitor calling platform for high-rise buildings.
Background
With the development of real estate market in recent years, the safety, the livability and the high-grade of a building are important factors influencing the sales of the building, and in a high-rise building, due to the fact that the convenience of a visitor calling system is greatly used, the communication mode of the visitor calling system is gradually developed from voice communication to safer and more convenient video communication, and great convenience is provided for the life of people.
Visitor's calling system generally divide into outdoor terminal and indoor terminal, and current indoor terminal is generally fixed mounting on the wall, when people work or have a rest at home, can be far away from indoor terminal and lead to unable hearing calling information, can not respond to the call in time, and the convenience is lower, and the result of use is not good.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wireless communication visitor calling platform for high-rise buildings, which solves the problems that the conventional indoor terminal is generally fixedly arranged on a wall, when people work at home or have a rest, the calling information cannot be heard and the calling cannot be responded in time due to the fact that the indoor terminal is far away, and the convenience is low.
In order to achieve the purpose, the invention is realized by the following technical scheme: a wireless communication visitor calling platform for high-rise buildings comprises an outdoor terminal and a mounting plate, wherein the surface of the outdoor terminal is provided with an outdoor display screen and an outdoor key, the interior of the outdoor terminal is fixedly connected with an outdoor video module, an outdoor voice module and an outdoor wireless signal transceiver from top to bottom in sequence, both sides of the bottom of the surface of the mounting plate are fixedly connected with fixed blocks, a cross rod is fixedly connected between one opposite sides of the two fixed blocks, both sides of the surface of the cross rod are slidably connected with movable blocks, the surfaces of the two movable blocks are rotatably connected with rotating rods, the top ends of the rotating rods are rotatably connected with rotating seats, the top of the rotating seats are fixedly connected with supporting plates, the top of the supporting plates is fixedly connected with a bottom groove, the top of the surface of the mounting plate is fixedly connected with a fixed plate, the bottom, and the inside swing joint in activity groove has the movable rod, the bottom fixedly connected with clamp plate of movable rod to the bottom fixedly connected with top groove of clamp plate, be provided with indoor terminal between the top of kerve and the bottom in top groove, indoor terminal's surface is provided with indoor display screen and indoor button, and indoor terminal's inside fixedly connected with central processing unit, indoor wireless signal transceiver, indoor video module and indoor voice module from top to bottom in proper order.
Furthermore, the output ends of the outdoor key, the outdoor video module and the outdoor voice module are connected with the input end of the outdoor wireless signal transceiver, the output end of the outdoor wireless signal transceiver is connected with the input end of the outdoor display screen, and the outdoor wireless signal transceiver is connected with the indoor wireless signal transceiver through two-way signals.
Furthermore, the output end of the indoor wireless signal transceiver is in bidirectional signal connection with the central processing unit, the output end of the central processing unit is connected with the input end of the indoor display screen, and the output ends of the indoor key, the indoor video module and the indoor voice module are connected with the input end of the central processing unit.
Furthermore, a first spring is fixedly connected between one side of the movable block opposite to the fixed block and positioned on the surface of the cross rod.
Further, the surface of mounting panel just is located the outside fixedly connected with safety cover of horizontal pole.
Furthermore, a second spring is fixedly connected between the top of the pressure plate and the bottom of the fixed plate and positioned on the surface of the movable rod.
Further, the bottom and the top of the two sides of the surface of the mounting plate are provided with mounting bolts.
Compared with the prior art, the invention has the beneficial effects that:
(1) the wireless communication visitor calling platform for the high-rise building is characterized in that fixed blocks are fixedly connected to two sides of the bottom of the surface of the mounting plate, a cross rod is fixedly connected between opposite sides of the two fixed blocks, movable blocks are slidably connected to two sides of the surface of the cross rod, a rotating rod is rotatably connected to the surfaces of the two movable blocks, a rotating seat is rotatably connected to the top end of the rotating rod, a supporting plate is fixedly connected to the top of the rotating seat, a bottom groove is fixedly connected to the top of the supporting plate, a fixed plate is fixedly connected to the top of the surface of the mounting plate, a movable groove is formed in the bottom of the fixed plate, a movable rod is movably connected to the inside of the movable groove, a pressing plate is fixedly connected to the bottom end of the movable rod, a top groove is fixedly connected to the bottom of the pressing plate, an indoor terminal, and can conveniently dismantle, can place indoor terminal to different positions for people can all in time receive calling information when work or rest in different places, and the visitor is responded to in time to be convenient for, has improved the convenience.
(2) This a wireless communication visitor calling platform for building high level, surface through at outdoor terminal is provided with outdoor display screen and outdoor button, and outdoor terminal's inside is fixedly connected with outdoor video module from top to bottom in proper order, outdoor voice module and outdoor wireless signal transceiver, surface at indoor terminal is provided with indoor display screen and indoor button, and indoor terminal's inside is fixedly connected with central processing unit from top to bottom in proper order, indoor wireless signal transceiver, indoor video module and indoor voice module, visitor's voice data and video data can be gathered and send to indoor terminal, the people of being convenient for confirm visitor's identity, avoid criminal to utilize the leak to carry out criminal activity, the security of resident family has been improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the outdoor terminal and the indoor terminal according to the present invention;
fig. 3 is a schematic block diagram of the system of the present invention.
In the figure: 101. an outdoor terminal; 102. an outdoor display screen; 103. an outdoor key; 104. an outdoor video module; 105. an outdoor voice module; 106. an outdoor wireless signal transceiver; 2. mounting a plate; 301. a fixed block; 302. a cross bar; 303. a movable block; 304. a rotating rod; 305. a rotating seat; 306. a first spring; 307. a protective cover; 401. a support plate; 402. a bottom groove; 501. an indoor terminal; 502. an indoor display screen; 503. an indoor key; 504. a central processing unit; 505. an indoor wireless signal transceiver; 506. an indoor video module; 507. an indoor voice module; 601. a fixing plate; 602. a movable groove; 603. a movable rod; 604. pressing a plate; 605. a top groove; 606. a second spring; 607. and (6) installing a bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a wireless communication visitor calling platform for high building comprises an outdoor terminal 101 and a mounting plate 2, wherein the outdoor terminal 101 is installed outside a unit door, the surface of the outdoor terminal 101 is provided with an outdoor display screen 102 and outdoor keys 103, the interior of the outdoor terminal 101 is fixedly connected with an outdoor video module 104, an outdoor voice module 105 and an outdoor wireless signal transceiver 106 from top to bottom in sequence, the outdoor video module 104 and the outdoor voice module 105 can collect voice and video data of visitors and convert the voice and video data into electric signals, mounting bolts 607 are arranged at the bottom and the top of two sides of the surface of the mounting plate 2, so that the mounting plate 2 is fixedly mounted on a wall, fixed blocks 301 are fixedly connected to two sides of the bottom of the surface of the mounting plate 2, a cross rod 302 is fixedly connected between two opposite sides of the fixed blocks 301, and the cross rod 302 is a, be convenient for movable block 303 along horizontal pole 302 surface slip, the surface of mounting panel 2 just is located the outside fixedly connected with safety cover 307 of horizontal pole 302, and the bottom of fixed block 301, horizontal pole 302, movable block 303, first spring 306 and bull stick 304 all is located the safety cover 307, the equal sliding connection in both sides on horizontal pole 302 surface has movable block 303, the fixed surface that just is located horizontal pole 302 between the relative one side of movable block 303 and fixed block 301 is connected with first spring 306, and first spring 306 produces elasticity and promotes movable block 303, restricts the motion of movable block 303 to the surface of two movable blocks 303 all rotates and is connected with bull stick 304, and the top of bull stick 304 runs through safety cover 307 and extends to the outside of safety cover 307, the top of bull stick 304 rotates and is connected with and rotates seat 305 to the top fixedly connected with backup pad 401 that rotates seat 305, the top fixedly connected with kerve 402 of backup pad 401, the top of the surface of the mounting plate 2 is fixedly connected with a fixing plate 601, the bottom of the fixing plate 601 is provided with a movable groove 602, the inside of the movable groove 602 is movably connected with a movable rod 603, the number of the movable grooves 602 and the movable rod 603 is three, the movable rod 603 can slide up and down along the movable groove 602, the bottom end of the movable rod 603 is fixedly connected with a pressing plate 604, a second spring 606 is fixedly connected between the top of the pressing plate 604 and the bottom of the fixing plate 601 and positioned on the surface of the movable rod 603, the top end and the bottom end of the second spring 606 are respectively fixedly connected with the bottom of the fixing plate 601 and the bottom of the pressing plate 604, the bottom of the pressing plate 604 is fixedly connected with a top groove 605, an indoor terminal 501 is arranged between the top of the bottom groove 402 and the bottom of the top groove 605, the surface of the indoor terminal 501 is provided with an indoor display screen 502 and indoor keys 503, and the interior of the indoor terminal 501 is fixedly connected with a central processing unit 504, an indoor wireless signal transceiver 505, an indoor video module 506 and an indoor voice module 507 from top to bottom in sequence, the indoor video module 506 and the indoor voice module 507 can collect voice and video data of indoor personnel and convert the data into electric signals, the model of the central processing unit 504 is ARM9, the output ends of the outdoor key 103, the outdoor video module 104 and the outdoor voice module 105 are all connected with the input end of the outdoor wireless signal transceiver 106, the output end of the outdoor wireless signal transceiver 106 is connected with the input end of the outdoor display screen 102, the outdoor wireless signal transceiver 106 is in bidirectional signal connection with the indoor wireless signal transceiver 505, the output end of the indoor wireless signal transceiver 505 is in bidirectional signal connection with the central processing unit 504, the output end of the central processing unit 504 is connected with the input end of the indoor display screen 502, the output ends of the indoor key 503, the indoor video module 506 and the indoor voice module 507 are all connected with the input end of the central processing unit 504, the models of the outdoor wireless signal transceiver 106 and the indoor wireless signal transceiver 505 are DMX512, the outdoor video module 104 and the outdoor voice module 105 collect the voice and video signals of the visitor and convert the voice and video signals into electric signals, the electric signals are sent to the indoor wireless signal transceiver 505 through the outdoor wireless signal transceiver 106, the signals are sent to the central processing unit 504 through the indoor wireless signal transceiver 505, the signals are sent to the indoor display screen 502 to be played through the central processing unit 504, the voice and video signals of the owner are collected and converted into electric signals through the indoor video module 506 and the indoor voice module 507, the electric signals are sent to the indoor wireless signal transceiver 505 through the central processing unit 504 and sent to the outdoor wireless signal transceiver 106 through the indoor wireless signal transceiver 505, the signal is sent to the outdoor display screen 102 for playing, so that the host communicates with the visitor to confirm the identity of the visitor.
When the indoor terminal 501 is in work, the indoor terminal 501 is placed between the bottom groove 402 and the top groove 605 and is fixedly installed on a wall, when people need to work or rest, the two sides of the indoor terminal 501 are held and pressed downwards, the supporting plate 401 moves downwards, the rotating rod 304 drives the movable block 303 to slide along the surface of the cross rod 302, the first spring 306 is pressed tightly, the indoor terminal 501 moves downwards, the top of the indoor terminal is separated from the top groove 605, the indoor terminal 501 is taken out of the bottom groove 402 and is placed near a host, calling information of a visitor can be received in time, when the visitor visits, a call is sent through the outdoor key 103, the outdoor video module 104 and the outdoor voice module 105 collect voice and video signals of the visitor and convert the voice and video signals into electric signals which are sent to the indoor wireless signal transceiver 505 through the outdoor wireless signal transceiver 106, the indoor wireless signal transceiver 505 sends the signals to the central processor 504, the central processing unit 504 sends the signal to the indoor display screen 502 for playing, the indoor video module 506 and the indoor voice module 507 collect the voice and video signal of the host and convert the voice and video signal into electric signals, the electric signals are transmitted to the indoor wireless signal transceiver 505 through the central processing unit 504, the signals are sent to the outdoor wireless signal transceiver 106 through the indoor wireless signal transceiver 505 and sent to the outdoor display screen 102 for playing, the host communicates with the visitor, the identity of the visitor is confirmed, and whether the visitor is allowed to enter the unit door is judged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A wireless communication visitor calling platform for high-rise buildings comprises an outdoor terminal (101) and a mounting plate (2), and is characterized in that: the outdoor terminal is characterized in that an outdoor display screen (102) and an outdoor key (103) are arranged on the surface of the outdoor terminal (101), an outdoor video module (104), an outdoor voice module (105) and an outdoor wireless signal transceiver (106) are sequentially and fixedly connected to the inside of the outdoor terminal (101) from top to bottom, fixed blocks (301) are fixedly connected to the two sides of the bottom of the surface of the mounting plate (2), a cross rod (302) is fixedly connected between the two opposite sides of the two fixed blocks (301), movable blocks (303) are slidably connected to the two sides of the surface of the cross rod (302), a first spring (306) is fixedly connected to the surface of the cross rod (302) and positioned between the movable blocks (303) and the opposite sides of the fixed blocks (301), a rotating rod (304) is rotatably connected to the surfaces of the two movable blocks (303), and a rotating seat (305) is rotatably connected to the top, and the top fixedly connected with backup pad (401) of seat (305) rotates, the top fixedly connected with kerve (402) of backup pad (401), the top fixedly connected with fixed plate (601) on mounting panel (2) surface, movable groove (602) have been seted up to the bottom of fixed plate (601), and the inside swing joint of movable groove (602) has movable rod (603), the bottom fixedly connected with clamp plate (604) of movable rod (603), and the bottom fixedly connected with top groove (605) of clamp plate (604), be provided with indoor terminal (501) between the top of kerve (402) and the bottom of top groove (605), the surface of indoor terminal (501) is provided with indoor display screen (502) and indoor button (503) to the inside of indoor terminal (501) from top to bottom in proper order fixedly connected with central processing unit (504), indoor wireless signal transceiver (505), An indoor video module (506) and an indoor voice module (507).
2. The wireless communication visitor call platform for high-rise buildings according to claim 1, wherein: the outdoor wireless signal transceiver is characterized in that the output ends of the outdoor key (103), the outdoor video module (104) and the outdoor voice module (105) are connected with the input end of the outdoor wireless signal transceiver (106), the output end of the outdoor wireless signal transceiver (106) is connected with the input end of the outdoor display screen (102), and the outdoor wireless signal transceiver (106) is in bidirectional signal connection with the indoor wireless signal transceiver (505).
3. The wireless communication visitor call platform for high-rise buildings according to claim 1, wherein: the output end of the indoor wireless signal transceiver (505) is in bidirectional signal connection with the central processing unit (504), the output end of the central processing unit (504) is connected with the input end of the indoor display screen (502), and the output ends of the indoor key (503), the indoor video module (506) and the indoor voice module (507) are connected with the input end of the central processing unit (504).
4. The wireless communication visitor call platform for high-rise buildings according to claim 1, wherein: the surface of the mounting plate (2) is fixedly connected with a protective cover (307) outside the cross rod (302).
5. The wireless communication visitor call platform for high-rise buildings according to claim 1, wherein: and a second spring (606) is fixedly connected between the top of the pressure plate (604) and the bottom of the fixed plate (601) and positioned on the surface of the movable rod (603).
6. The wireless communication visitor call platform for high-rise buildings according to claim 1, wherein: and mounting bolts (607) are arranged at the bottom and the top of two sides of the surface of the mounting plate (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810336268.0A CN110166736B (en) | 2018-04-16 | 2018-04-16 | Wireless communication visitor calling platform for high building |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810336268.0A CN110166736B (en) | 2018-04-16 | 2018-04-16 | Wireless communication visitor calling platform for high building |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110166736A CN110166736A (en) | 2019-08-23 |
CN110166736B true CN110166736B (en) | 2020-12-01 |
Family
ID=67644765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810336268.0A Active CN110166736B (en) | 2018-04-16 | 2018-04-16 | Wireless communication visitor calling platform for high building |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110166736B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202773006U (en) * | 2012-08-30 | 2013-03-06 | 广东安居宝数码科技股份有限公司 | Building visible intercom access control system |
CN103888730A (en) * | 2014-03-22 | 2014-06-25 | 春迅电子(东莞)有限公司 | Visible wireless talkback door control system |
KR101580553B1 (en) * | 2014-07-09 | 2015-12-31 | 주식회사 에펠텍 | Interphone communicated with only mobile control terminal |
CN205304975U (en) * | 2015-12-30 | 2016-06-08 | 深圳市泛海三江电子有限公司 | Wireless building intercom device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8154581B2 (en) * | 2002-10-15 | 2012-04-10 | Revolutionary Concepts, Inc. | Audio-video communication system for receiving person at entrance |
-
2018
- 2018-04-16 CN CN201810336268.0A patent/CN110166736B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202773006U (en) * | 2012-08-30 | 2013-03-06 | 广东安居宝数码科技股份有限公司 | Building visible intercom access control system |
CN103888730A (en) * | 2014-03-22 | 2014-06-25 | 春迅电子(东莞)有限公司 | Visible wireless talkback door control system |
KR101580553B1 (en) * | 2014-07-09 | 2015-12-31 | 주식회사 에펠텍 | Interphone communicated with only mobile control terminal |
CN205304975U (en) * | 2015-12-30 | 2016-06-08 | 深圳市泛海三江电子有限公司 | Wireless building intercom device |
Also Published As
Publication number | Publication date |
---|---|
CN110166736A (en) | 2019-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103929616A (en) | Intelligent Internet-of-things household visual door control monitoring system and monitoring method | |
CN101466029B (en) | Method and system for preparing visual duologue door bell | |
CN104168519A (en) | Building intelligent intercom system and intercom method | |
CN203825684U (en) | Wireless intelligent building talkback gangway machine | |
CN104767960A (en) | WeChat building video intercom system and communication method thereof | |
CN204791223U (en) | Intelligent entrance guard all -in -one | |
CN201365314Y (en) | Visual conversation doorbell system | |
CN110166736B (en) | Wireless communication visitor calling platform for high building | |
CN204331932U (en) | A kind of wireless doorbell | |
CN207424969U (en) | A kind of internet visible intercom door inhibition | |
CN106131728A (en) | Intelligent integrated form Bluetooth earphone device | |
CN204408460U (en) | A kind of wireless doorbell | |
CN214280930U (en) | Local relay protection control device based on 5G communication | |
CN204887276U (en) | Prison criminal follows card and corrects psychological consultation terminal | |
CN205566512U (en) | Visual doorbell system that talkbacks of intelligence | |
CN209593624U (en) | A kind of radio visual doorbell | |
CN205563774U (en) | Visual entrance guard's device of talkbacking in internet | |
CN209072637U (en) | The intelligent visual door bell of internal battery | |
CN208433956U (en) | Group communication devices | |
CN214197938U (en) | Intelligent building video intercom terminal device | |
CN209457769U (en) | A kind of intelligent anti-theft door with real time phone call function | |
CN216057267U (en) | Doorway machine capable of recognizing human face and talkbacking | |
CN214675440U (en) | Intelligent household visual doorbell system | |
CN204832801U (en) | Remote intelligent window control system | |
CN214943831U (en) | Isolation module for fire alarm system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20201111 Address after: Room 2301, Ocean City apartment building, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: XINCHANG WEILI MACHINERY Co.,Ltd. Address before: 213100 people's East Road, national high tech Industrial Development Zone, Wujin District, Changzhou, Jiangsu Province, No. 188 Applicant before: XIEJIAN (JIANGSU) INTELLIGENT EQUIPMENT Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |