CN108105943B - Air conditioner indoor unit panel, control method, indoor unit and air conditioner - Google Patents

Air conditioner indoor unit panel, control method, indoor unit and air conditioner Download PDF

Info

Publication number
CN108105943B
CN108105943B CN201711236873.2A CN201711236873A CN108105943B CN 108105943 B CN108105943 B CN 108105943B CN 201711236873 A CN201711236873 A CN 201711236873A CN 108105943 B CN108105943 B CN 108105943B
Authority
CN
China
Prior art keywords
air conditioner
indoor unit
display
panel
rotation
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
Application number
CN201711236873.2A
Other languages
Chinese (zh)
Other versions
CN108105943A (en
Inventor
侯辰
伍衍亮
龚梁
梁博
金海元
陈志伟
高磊
朱继龙
张兴钰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201711236873.2A priority Critical patent/CN108105943B/en
Publication of CN108105943A publication Critical patent/CN108105943A/en
Application granted granted Critical
Publication of CN108105943B publication Critical patent/CN108105943B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides an air conditioner indoor unit panel, a control method, an indoor unit and an air conditioner, wherein the air conditioner indoor unit panel comprises: a first portion (1) located on the panel and rotatable about a first axis of rotation located inside thereof; and a display member (2) which is provided on the first portion (1) and is rotatable in accordance with the rotation of the first portion (1). The invention can rotate the display part, overcomes the defects of monotonous display content, insufficient intelligence and poor man-machine interaction effect of the traditional air conditioner, realizes more intelligent man-machine interaction, can realize various picture display by rotation, has richer and more intelligent display content, and greatly improves the man-machine interaction effect.

Description

Air conditioner indoor unit panel, control method, indoor unit and air conditioner
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner indoor unit panel, a control method, an indoor unit and an air conditioner.
Background
The prior patent number CN201520837808.5 discloses an air conditioner indoor unit with a semitransparent panel displayed by an OLED screen, but the display has no method for rotating, so that better man-machine interaction is realized.
The existing air conditioner has the following defects: 1. the display content is monotonous and not intelligent enough; 2. the display direction is fixed, and the display direction cannot be moved according to the position of a person, so that a good experience effect cannot be brought to the person; 3. the existing air conditioner wind sweeping roller has the hidden trouble of clamping hands; 4. the existing air conditioner video and audio has no method for rotation, and a good sound effect is achieved.
Because the air conditioner in the prior art has the technical problems of monotonous display content, insufficient intelligence, poor human-computer interaction effect, poor experience effect, hidden danger of clamping hands and the like, the invention designs an air conditioner indoor unit panel, a control method, an indoor unit and an air conditioner.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of monotonous display content, insufficient intelligence and poor man-machine interaction effect of the air conditioner in the prior art, thereby providing an air conditioner indoor unit panel, a control method, an indoor unit and an air conditioner.
The invention provides an air conditioner indoor unit panel, which comprises:
a first portion located on the panel and rotatable about a first axis of rotation located within the first portion;
and a display member provided on the first portion and rotatable with rotation of the first portion.
Preferably, the method comprises the steps of,
the first portion is located at an upper portion of the panel.
Preferably, the method comprises the steps of,
the display component is a borderless liquid crystal display.
Preferably, the method comprises the steps of,
the microphone camera component is arranged on the first part.
Preferably, the method comprises the steps of,
the microphone camera head part comprises a microphone array module and a camera module, wherein the microphone array module comprises a plurality of microphones which are uniformly distributed in an array; the camera module comprises a wide-angle lens.
Preferably, the method comprises the steps of,
the second part is positioned in the middle of the panel and can rotate around a second rotating shaft positioned in the panel;
and the air outlet is positioned on the second part and can rotate along with the rotation of the second part.
Preferably, the method comprises the steps of,
the air inlet is also arranged on the second part and is opposite to the air outlet.
Preferably, the method comprises the steps of,
a third portion located at a lower portion of the panel and rotatable about a third rotation axis located inside thereof;
and the sound component is arranged on the third part and can rotate along with the rotation of the third part.
Preferably, the method comprises the steps of,
the sound component is a 360-degree surround sound.
Preferably, the method comprises the steps of,
the first part, the second part and the third part are of roller structures, and the first rotating shaft, the second rotating shaft and the third rotating shaft are central shafts of the panel.
Preferably, the method comprises the steps of,
further comprising a control part connectable with the microphone camera part and also connectable with the display part and the sound part,
the control member can also be coupled to the first portion, the second portion, and/or the third portion to control rotation of the first portion, the second portion, and/or the third portion.
The invention also provides a control method of the air conditioner indoor unit panel, which uses the air conditioner indoor unit panel, when the air conditioner indoor unit panel comprises a microphone camera component, the microphone camera component is used for acquiring images and sounds of a human body, the control component is used for judging the position of the human body, further the first roller, the second roller and/or the third roller are controlled to rotate towards the direction facing towards or away from the human body, and the display component is controlled to display and/or the sound component is controlled to sound.
The invention also provides an indoor unit, which comprises the air conditioner indoor unit panel.
The invention also provides an air conditioner which comprises the indoor unit.
The invention provides an air conditioner indoor unit panel, a control method, an indoor unit and an air conditioner, wherein the air conditioner panel and the control method are as follows
The beneficial effects are that:
1. the indoor unit panel, the control method, the indoor unit and the air conditioner of the invention comprise a first part which is positioned on the panel and can rotate around a first rotating shaft positioned inside the panel; the display part is arranged on the first part and can rotate along with the rotation of the first part, so that the display part can rotate, the defects of monotonous display content, insufficient intelligence and poor human-computer interaction effect of the traditional air conditioner are overcome, more intelligent human-computer interaction is realized, various images can be displayed through rotation, the display content is richer and more intelligent, and the human-computer interaction effect is greatly improved;
2. according to the panel, the control method, the indoor unit and the air conditioner of the air conditioner, through the microphone array and the camera, the function of judging the position of a sounder through receiving sound information can be realized; or judging the position of the person through image recognition; most of the lower part of the middle part is an air outlet of the air conditioner, so that the air can rotate, and the air inlet and the air outlet are arranged on one roller, so that the hidden danger of clamping hands is avoided; the lower part is a high-quality sound position, the sound can realize 360-degree rotation, and the best sound effect can be realized;
3. according to the air conditioner indoor unit panel, the control method, the indoor unit and the air conditioner, the borderless curved surface screen, the voice control and the high-quality sound are integrated on one air conditioner product, so that more intelligent human-computer interaction and audio-video experience are realized, the life quality of household appliances is improved, the display content of the household appliances is more, the human-computer interaction page of the household appliances is not intelligent enough, and the combination of the air conditioner product and a home theater is enhanced.
Drawings
Fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to the present invention;
fig. 2 is a schematic control flow diagram of each component of the air conditioner of the present invention.
The reference numerals in the drawings are as follows:
1. a first portion; 2. a display section; 3. a microphone; 4. a wide angle lens; 5. a second portion; 6. an air outlet; 7. a stepping motor; 8. a third section; 9. an acoustic member; 10. a central shaft; 11. an air conditioner base.
Detailed Description
As shown in fig. 1-2, the present invention provides an air conditioner indoor unit panel, comprising:
a first portion 1, located on the panel and rotatable about a first rotation axis located inside it;
the display member 2 is provided on the first portion 1 and is rotatable with the rotation of the first portion 1.
By comprising a first portion, located on the panel, rotatable about a first rotation axis located inside it; the display part is arranged on the first part and can rotate along with the rotation of the first part, so that the display part can rotate, the defects of monotonous display content, insufficient intelligence and poor human-computer interaction effect of the existing air conditioner are overcome, more intelligent human-computer interaction is realized, various picture display can be realized through rotation, the display content is richer and more intelligent, and the human-computer interaction effect is greatly improved.
Preferably, the method comprises the steps of,
the first part 1 is located in the upper part of the panel. This is a preferred arrangement position of the first part of the present invention, and a desired visual picture, image, etc. can be displayed more aesthetically by the upper part.
Preferably, the method comprises the steps of,
the display part 2 is a borderless liquid crystal display screen, a curved surface display screen material such as an OLED display screen material can be selected, and the display part can realize touch control; the display part not only displays basic information of the operation of the air conditioner, but also displays time, calendar, pictures, news, advertisements, music information, video movies and the like.
Preferably, the method comprises the steps of,
and a microphone camera component arranged on the first part 1. Visual signals and sound signals can be captured through the microphone camera component, so that the visual signals and the sound signals can be input into the air conditioner for control.
Preferably, the method comprises the steps of,
the microphone camera head part comprises a microphone array module and a camera module, wherein the microphone array module comprises a plurality of microphones 3 which are uniformly distributed in an array manner and can receive sound information of 360 degrees or the maximum angle of actual use; the camera module comprises a wide-angle lens 4, and can receive a maximum angle view angle picture which is actually used. The microphone camera component is in a preferable structural form, the microphones distributed in a plurality of arrays can collect the sound with the largest angle, and the wide-angle lens can collect the visual information with the largest range.
Preferably, the method comprises the steps of,
a second portion 5, located in the middle of the panel, and rotatable about a second rotation axis located inside it;
and the air outlet 6 is positioned on the second part 5 and can rotate along with the rotation of the second part 5.
The specific arrangement position and the arrangement form of the air outlet hole can rotate along with the second part, so that the air outlet can blow to the indoor peripheral direction, and the indoor air outlet comfort is improved.
Preferably, the method comprises the steps of,
the air inlet is also arranged on the second part 5 and is opposite to the air outlet 6. The air outlet structure and the air inlet structure in the air duct component are uniformly designed on the roller structure, when the air conditioner sweeps air, the air outlet and the air inlet roller rotate together, the air can be swept at a large angle, and the hidden danger of clamping hands does not exist.
Preferably, the method comprises the steps of,
a third portion 8, located in the lower part of the panel, and rotatable about a third rotation axis located inside it;
and an acoustic member 9, wherein the acoustic member 9 is provided on the third portion 8 and is rotatable as the third portion 8 rotates.
Through the sound component that sets up on the third part, can rotate and sound production along with the third part, improve indoor stereophonic surrounding effect. The three-section air conditioner divides the air conditioner into three sections, wherein the upper section comprises a display component and a microphone camera component; the middle section comprises an air duct component; the lower section comprises a sound component base; the three-stage type is fixed by a central shaft, and can be controlled to rotate around the central shaft 10 by a stepping motor and various gears.
Three-section air conditioner: the air conditioner is basically divided into three sections, wherein the upper section is a display area, the middle is an air outlet area, and the lower part is an acoustic area;
microphone array: the microphones are uniformly arranged according to a certain angle, and the position of a sounder can be judged by receiving sound;
hidden danger of clamping hand: the air outlet of the common air conditioner rotates in a rolling way, the panel is not rotated, and if hands extend into the air outlet grid, the hands are clamped;
preferably
The acoustic member 9 is a 360 ° surround sound. This is a preferred form of construction of the acoustic member of the present invention.
Preferably, the method comprises the steps of,
the first portion 1, the second portion 5 and the third portion 8 are all of a roller structure, and the first rotation axis, the second rotation axis and the third rotation axis are all central axes 10 of the panel. The first, second and third parts can rotate around the central shaft in a roller mode, so that the effects of rotary display, rotary wind sweeping and rotary sounding are formed. The display part, the air duct part and the sound part can respectively and independently rotate in a large angle.
Preferably, the method comprises the steps of,
further comprising control means connectable to said microphone camera head means and connectable to display means 2 and to said sound means 9,
the control means can also be connected to the first part 1, the second part 5 and/or the third part 8 to control the rotation of the first part 1, the second part 5 and/or the third part 8. When a user starts the air conditioner, the air conditioner can be activated by voice, the microphone array can judge the position of the user, the display part can rotate to face the user, the sound part is intelligently adjusted, and the best sound effect is realized aiming at the position of the user;
when a user normally uses the air conditioner, the camera module is activated, the position of the user can be judged in real time, the display part and the sound part are controlled to rotate along with the position of the user in real time, and the optimal audio-visual effect is realized;
when a user starts a wind sweeping mode, the wind channel component rotates to sweep wind according to the requirement, and the position of a person is judged according to the camera, so that the effect of wind along with the person and avoiding the person is realized; because the air inlet and the air outlet are arranged on the same roller structure, the hidden danger of clamping the hand can not occur; the reason that the existing air conditioner causes the clamping hand is because the air conditioner panel shell is fixed, and the air outlet grid rotates to realize wind sweeping, so that the hand can be clamped in the middle. The whole panel casing that makes the air-out grid of this scheme just is the air conditioner, and whole air conditioner outward appearance casing is rotatory like this, just so can not appear the hand and press from both sides the phenomenon between the two.
The invention also provides a control method of the air conditioner indoor unit panel, which uses the air conditioner indoor unit panel, when the air conditioner indoor unit panel comprises a microphone camera component, the microphone camera component is used for acquiring images and sounds of a human body, the control component is used for judging the position of the human body, further the first roller, the second roller and/or the third roller are controlled to rotate towards the direction facing towards or away from the human body, and the display component is controlled to display and/or the sound component is controlled to sound. The intelligent wind sweeping, video display and sounding rotary display can be performed, and the wind sweeping, sounding or video display can be performed towards or away from the human body according to the position of the human body.
The invention also provides an indoor unit, which comprises the air conditioner indoor unit panel. By comprising a first portion, located on the panel, rotatable about a first rotation axis located inside it; the display part is arranged on the first part and can rotate along with the rotation of the first part, so that the display part can rotate, the display content is monotonous, intelligent and poor in man-machine interaction effect, intelligent man-machine interaction is realized, various pictures are displayed through rotation, the display content is richer and intelligent, and the man-machine interaction effect is greatly improved.
The invention also provides an air conditioner which comprises the indoor unit. 1. The borderless liquid crystal display screen can be a circular display screen of a whole cylinder at the upper end of the air conditioner; 2. after the annular display screen is used, the head does not need to rotate, and only the display interface rotates; 3. in the three-stage development of air conditioners, one stage or several stages of air conditioners are non-rotatable.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (8)

1. An air conditioner indoor unit panel which is characterized in that: comprising the following steps:
a first portion (1) located on the panel and rotatable about a first axis of rotation located inside thereof;
a display member (2) which is provided on the first portion (1) and is rotatable with rotation of the first portion (1);
the first portion (1) is located in an upper portion of the panel;
the microphone camera component is arranged on the first part (1);
-a second portion (5) located in the middle of the panel and rotatable about a second rotation axis located inside it;
the air outlet (6) is positioned on the second part (5) and can rotate along with the rotation of the second part (5);
a third portion (8) located in the lower part of the panel and rotatable about a third axis of rotation located inside it;
an acoustic member (9), wherein the acoustic member (9) is provided on the third portion (8) and is rotatable with the rotation of the third portion (8);
the first part (1), the second part (5) and the third part (8) are of a roller structure, and the first rotating shaft, the second rotating shaft and the third rotating shaft are all central shafts of the panel;
further comprising a control part connectable to the microphone camera part and connectable to the display part (2) and the sound part (9),
the control means can also be connected to the first part (1), the second part (5) and/or the third part (8) to control the rotation of the first part (1), the second part (5) and/or the third part (8);
the microphone camera head part is used for acquiring images and sounds of a human body, the control part is used for judging the position of the human body, and then the first part, the second part and/or the third part are controlled to rotate towards the direction towards the human body or away from the human body, and the display part is controlled to display and/or the sound part is controlled to sound.
2. An air conditioner indoor unit panel according to claim 1, wherein:
the display component (2) is a borderless liquid crystal display.
3. An air conditioner indoor unit panel according to claim 1, wherein:
the microphone camera head part comprises a microphone array module and a camera module, wherein the microphone array module comprises a plurality of microphones (3) which are uniformly distributed in an array; the camera module comprises a wide-angle lens (4).
4. An air conditioner indoor unit panel according to claim 1, wherein:
the air inlet is also arranged on the second part (5) and is opposite to the air outlet (6).
5. An air conditioner indoor unit panel according to claim 1, wherein:
the sound component (9) is a 360-degree surround sound.
6. A control method of an indoor unit panel of an air conditioner is characterized by comprising the following steps:
the indoor unit panel of the air conditioner according to any one of claims 1 to 5, wherein the microphone camera head part is used for acquiring images and sounds of a human body, the control part is used for judging the position of the human body, further controlling the first part, the second part and/or the third part to rotate towards the human body or away from the human body, and controlling the display part to display and/or controlling the sound part to sound.
7. An indoor unit, characterized in that: an air conditioner indoor unit panel comprising any one of claims 1-5.
8. An air conditioner, characterized in that: comprising the indoor unit of claim 7.
CN201711236873.2A 2017-11-30 2017-11-30 Air conditioner indoor unit panel, control method, indoor unit and air conditioner Active CN108105943B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711236873.2A CN108105943B (en) 2017-11-30 2017-11-30 Air conditioner indoor unit panel, control method, indoor unit and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711236873.2A CN108105943B (en) 2017-11-30 2017-11-30 Air conditioner indoor unit panel, control method, indoor unit and air conditioner

Publications (2)

Publication Number Publication Date
CN108105943A CN108105943A (en) 2018-06-01
CN108105943B true CN108105943B (en) 2023-06-30

Family

ID=62208614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711236873.2A Active CN108105943B (en) 2017-11-30 2017-11-30 Air conditioner indoor unit panel, control method, indoor unit and air conditioner

Country Status (1)

Country Link
CN (1) CN108105943B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109460074B (en) * 2018-10-29 2021-02-23 歌尔科技有限公司 Directional display method and device for audio equipment and audio equipment
CN109945301A (en) * 2019-03-21 2019-06-28 珠海格力电器股份有限公司 Indoor unit of air conditioner
CN110671801A (en) * 2019-05-08 2020-01-10 青岛海尔空调器有限总公司 Method and device for controlling air outlet direction and sound outlet direction and air conditioner

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1428566A (en) * 2001-12-25 2003-07-09 乐金电子(天津)电器有限公司 Display apparatus for air conditioner
CN102121724A (en) * 2010-01-10 2011-07-13 珠海格力电器股份有限公司 Vertical air conditioner indoor unit
CN104144370A (en) * 2013-05-06 2014-11-12 象水国际股份有限公司 Loudspeaking device capable of tracking target and sound output method of loudspeaking device
CN104519291A (en) * 2013-10-08 2015-04-15 三星电子株式会社 Display apparatus and display method using the same
CN106091215A (en) * 2016-06-07 2016-11-09 海信(山东)空调有限公司 A kind of cabinet air conditioner that can blow at a distance
CN207778706U (en) * 2017-11-30 2018-08-28 珠海格力电器股份有限公司 Panel of air conditioner indoor unit, indoor unit and air conditioner

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102653641B1 (en) * 2016-05-03 2024-04-04 삼성디스플레이 주식회사 Display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1428566A (en) * 2001-12-25 2003-07-09 乐金电子(天津)电器有限公司 Display apparatus for air conditioner
CN102121724A (en) * 2010-01-10 2011-07-13 珠海格力电器股份有限公司 Vertical air conditioner indoor unit
CN104144370A (en) * 2013-05-06 2014-11-12 象水国际股份有限公司 Loudspeaking device capable of tracking target and sound output method of loudspeaking device
CN104519291A (en) * 2013-10-08 2015-04-15 三星电子株式会社 Display apparatus and display method using the same
CN106091215A (en) * 2016-06-07 2016-11-09 海信(山东)空调有限公司 A kind of cabinet air conditioner that can blow at a distance
CN207778706U (en) * 2017-11-30 2018-08-28 珠海格力电器股份有限公司 Panel of air conditioner indoor unit, indoor unit and air conditioner

Also Published As

Publication number Publication date
CN108105943A (en) 2018-06-01

Similar Documents

Publication Publication Date Title
CN108105943B (en) Air conditioner indoor unit panel, control method, indoor unit and air conditioner
US7154526B2 (en) Telepresence system and method for video teleconferencing
CN207778706U (en) Panel of air conditioner indoor unit, indoor unit and air conditioner
CN204667050U (en) Household audio and video system
WO2007032553A1 (en) Audio-visual system
CN108429940B (en) Loudspeaker assembly, sound-box device and its control method
US20080111763A1 (en) Aspect-ratio independent, multimedia capture, editing, and presentation systems and methods thereof
CN221101580U (en) Device for dynamically displaying satellite
CN210377221U (en) Interactive intelligent tablet
CN105717994A (en) Wearable intelligent device
KR20080065782A (en) An all directions displayer
CN205987311U (en) Directional audio amplifier with high pitch loudspeaker
CN107656621A (en) A kind of audiovisual adjusting device and its control method
CN202110512U (en) Conference facility with overturning touch screen
CN209089205U (en) Projection curtain device and household audio and video system with function of pronunciation
CN205540445U (en) Wearable smart device
JP2009537863A (en) Imaging panel including an array of audio and video input / output elements
CN206861719U (en) Indoor apparatus of air conditioner and air conditioner
CN201349279Y (en) Television with three screens
CN201063840Y (en) Loudspeaker device
CN204993567U (en) Multi -functional camera of computer
CN107062395A (en) Air-conditioning
CN203102627U (en) Digital teaching all-in-one machine
CN201332475Y (en) Two-surface screen television
CN209231706U (en) A kind of optic type Interactive Art projection plate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant