CN111327737A - Projection mobile phone and projection device - Google Patents
Projection mobile phone and projection device Download PDFInfo
- Publication number
- CN111327737A CN111327737A CN202010159161.0A CN202010159161A CN111327737A CN 111327737 A CN111327737 A CN 111327737A CN 202010159161 A CN202010159161 A CN 202010159161A CN 111327737 A CN111327737 A CN 111327737A
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- projection
- mobile phone
- handset
- fan
- rear cover
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 23
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 244000062793 Sorghum vulgare Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0272—Details of the structure or mounting of specific components for a projector or beamer module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Telephone Set Structure (AREA)
- Projection Apparatus (AREA)
Abstract
The embodiment of the invention relates to the technical field of mobile phones, in particular to a projection mobile phone and a projection device. A projection handset, comprising: the exhaust fan is used for exhausting air and dissipating heat for the projection mobile phone; the exhaust fan is arranged on the circuit board or the rear cover; the rear cover is provided with ventilation holes in the area corresponding to the fan blades of the fan for ventilation and heat dissipation. A projection device comprises the projection mobile phone, a charging device and a supporting device 71; the charging device includes a handset mount 721 and a key area 722; the USB fan socket is arranged in the key area, and the USB fan dissipates heat for the mobile phone, so that the heat dissipation performance of the projection mobile phone is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of mobile phones, in particular to a projection mobile phone and a projection device.
Background
The projection mobile phone is a mobile phone integrated with a projection function. Be provided with on the inside circuit board of projection cell-phone:
the circuit of intelligence projection cell-phone mainly includes: the system comprises a radio frequency circuit, a voice circuit, a processor and memory circuit and a projection drive board circuit; power and charging circuits, operating and on-screen display circuits, interface circuits, and other functional circuits, including, for example, bluetooth, antenna, radio, sensor, vibrator, and projection camera circuits; the LED light source is characterized by also comprising a processor, a memory, an LED light source, a reflector, a radio frequency chip, a radio frequency power amplifier chip, a processor chip, a power management chip, a storage chip, a touch screen control chip, a projection chip and the like; when the projection mobile phone is in a projection working state, the power of a chip and a circuit electronic device on a circuit board is high, the heating amount is high, and the heat of the projection mobile phone is serious because the rear cover of the existing projection mobile phone is generally a sealing structure and is not beneficial to heat dissipation; . When the projection mobile phone works, the temperature of the body of the projection mobile phone is very high, and the chip on the circuit board can be damaged when the projection mobile phone works for a long time, even the normal operation of the original projection mobile phone is influenced.
Disclosure of Invention
Therefore, the embodiment of the invention provides a projection mobile phone and a projection device, so as to improve the heat dissipation performance.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of embodiments of the present invention, a projection handset comprises: the exhaust fan is used for exhausting air and dissipating heat for the projection mobile phone;
the exhaust fan is arranged on the circuit board or the rear cover;
the rear cover is provided with a ventilation hole for ventilation and heat dissipation.
Further, the heat dissipation film also comprises a nano carbon heat dissipation film; the nano carbon heat dissipation film is arranged on the inner side of the rear cover of the projection mobile phone or on the circuit board.
Furthermore, the power supply battery of the projection mobile phone is a nano battery.
Furthermore, when the fans are arranged on the rear cover, the number of the fans is multiple, and the fans are uniformly distributed on the rear cover.
Furthermore, the number of the fans is 6.
Further, the thickness of the fan blade of the fan is 1-5 mm.
According to a second aspect of the embodiment of the present invention, a projection apparatus includes the projection mobile phone as described in any one of the above, further includes a USB fan, a mobile phone cradle charger, and a telescopic cradle;
a mobile phone support mobile power supply is arranged at the top end of the telescopic support;
the mobile phone support mobile power supply is used for fixing the projection mobile phone; and charging the projection handset;
the charging port of the projection mobile phone is connected with the first charging port of the mobile phone support mobile power supply;
the USB port of the USB fan is connected with the second charging port of the mobile phone support mobile power supply;
the USB fan is used for blowing air to dissipate heat of the projection mobile phone.
Further, one or more of the following are also included: a temperature sensor, a human body infrared sensor;
the system also comprises a central controller; the projection mobile phone is arranged in the projection mobile phone and is connected with a projection light source;
the temperature sensor is used for detecting the temperature of the projection mobile phone; converting the detected temperature signal into an electric signal and sending the electric signal to the central controller; if the temperature exceeds a preset threshold value, the central controller controls a projection light source in the projection mobile phone to be turned off;
the infrared sensor is used for detecting whether people exist around the projection mobile phone;
when the infrared sensor detects that no person exists around the projection mobile phone, an electric signal is sent to the central controller; the central controller controls the light source of the projection in the projection handset to be turned off.
Further, the device also comprises a detection device, a control circuit board and an alarm device; the control circuit board and the alarm device are arranged on the projection bracket;
the control circuit board is provided with a controller;
the controller is used for connecting the alarm device; and connecting the detection device; receiving a detection result of the detection device;
and when the detection result reaches an alarm condition, the controller controls the alarm device to alarm.
The embodiment of the invention has the following advantages: the nano carbon heat dissipation film is arranged on the inner side of the rear cover, so that a good heat dissipation effect can be achieved, and the heat dissipation performance of the projection mobile phone is improved due to the arrangement of the fan; the heat dissipation function of the projection mobile phone is improved. Compared with the traditional mobile phone battery, the use of the nano battery can provide enough electric quantity for the mobile phone and prolong the standby time. Detecting the surrounding environment through a detection device; judging whether a condition is reached; if the condition is met, the projection light source is automatically cut off, so that energy consumption and heating are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic diagram of a projection mobile phone according to an embodiment of the present invention;
FIG. 2A is a schematic view of a vent of a rear cover according to an embodiment of the present invention;
FIG. 2B is a schematic view of a vent of a rear cover according to an embodiment of the present invention;
FIG. 2C is a schematic view of a vent of a rear cover according to an embodiment of the present invention;
FIG. 2D is a schematic view of a vent of a rear cover according to an embodiment of the present invention;
fig. 3 is a schematic layout view of an exhaust fan and a heat dissipation film in a projection mobile phone according to an embodiment of the present invention;
fig. 4 is a schematic front view of a mobile phone according to an embodiment of the present invention;
FIG. 5 is a schematic rear view according to an embodiment of the present invention;
fig. 6 is a schematic layout diagram of a circuit board of a mobile phone according to an embodiment of the present invention;
fig. 7A is a schematic structural diagram of a projection apparatus according to an embodiment of the invention;
fig. 7B is a schematic structural diagram of a projection apparatus with a charger according to an embodiment of the present invention;
fig. 7C is an enlarged schematic view of a key area of a power bank according to an embodiment of the present invention;
fig. 8A is a schematic diagram of a projection apparatus with an alarm function according to an embodiment of the present invention;
fig. 8B is a pin diagram of a single chip microcomputer chip according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an alarm circuit according to an embodiment of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
The projection mobile phone is widely applied, and is widely favored by users because of having the functions of a common mobile phone and a projector; the user can be used as a common smart phone at ordinary times; when projection is needed, the method can also be used for projection; for example; in family life, a user can watch a film by using a projection mobile phone; the projection mobile phone prints the film on a wall; the wall is used as the screen, so that the visual enjoyment of the user is improved, and the experience of the user is improved. However, in the prior art, the projection mobile phone has relatively high power consumption and serious heat generation due to the arrangement of the light source, so that the projection mobile phone frequently fails due to the use of the projection mobile phone, the maintenance rate is high, and the service life is shortened.
Based on the above, the application provides a projection mobile phone, which has the functions of the projection mobile phone in the traditional prior art; the structure of the traditional projection mobile phone is improved; in addition to the basic circuit board with projection function in the prior art, the projection phone of the present application, referring to fig. 1, includes: the exhaust fan 01 is used for exhausting air and dissipating heat for the projection mobile phone; the exhaust fan 01 is arranged on the circuit board 02 or on the rear cover 03; the rear cover 03 is provided with ventilation holes 21 in regions corresponding to the fan blades of the exhaust fan 01 for ventilation and heat dissipation. Among them, the shape and position of the ventilation hole 21 may be arbitrarily set.
Referring to fig. 2A, ventilation holes 21 are provided on four sides of the rear cover; the shape is rectangular; the position is arranged close to one side of the bottom surface of the rear cover as far as possible, so that when the fan rotates, hot air just flows out from the side surface to form a smooth air channel in order to be at the same height with the electronic component.
The number of the vent holes 21 may be plural; can be arranged into a plurality of rectangles arranged at intervals, see fig. 2B and 2C; in fig. 2B, 3 rectangular ventilation holes are formed in the bottom surface of the rear cover; in fig. 2C, 6 rectangular ventilation holes 21 are provided in the bottom surface of the rear cover;
the vent holes 21 may also be in the shape of a plurality of uniformly arranged circular holes, see fig. 2D; the shape of the vent hole 21 is circular; the number is multiple; can be uniformly distributed on the virtual circumference; in fig. 2D, the number of the set of vent holes 21 is 8; comprises a plurality of groups; one group corresponds to one exhaust fan 01; the diameter of the virtual circumference is equal to the diameter of the fan blade of the fan 01; the base of the exhaust fan 01 is arranged inside the virtual circumference and on the inner side of the rear cover; or the base of the exhaust fan 01 is arranged on the circuit board of the mobile phone; when the exhaust fan 01 rotates, heat in the mobile phone is dissipated through the corresponding vent hole 21.
According to the scheme, due to the fact that the exhaust fan 01 and the corresponding vent holes 21 are designed, the projection mobile phone can be cooled, and the cooling performance is improved.
The number of the exhaust fans 01 can be set arbitrarily according to the space inside the mobile phone; with reference to figure 3 of the drawings,
when exhaust fan 01 sets up on covering behind, the number of exhaust fan is a plurality of, covers evenly to arrange on the back. The number of the exhaust fans is set randomly according to the size of the mobile phone; the specific number is not limited; in one embodiment, the number of exhaust fans is 6; the thickness of the fan blade of the exhaust fan is 1-5 mm; the material is aluminum.
In one embodiment, in order to improve heat dissipation, the application is further provided with a nano carbon heat dissipation film; referring to fig. 3, the nanocarbon heat dissipation film is disposed inside the rear cover of the projection mobile phone or on the circuit board.
The power supply battery of the projection mobile phone is a nano battery, and in order to save electricity and reduce heat, the light source adopts an LED light source or a laser light source. The output luminous flux of a laser at 540nm of 1 watt is 683 lumens, as defined by the international units candela and lumens. The power of the laser light source of the mobile phone is 5 watts, the output luminous flux is more than three thousand lumens, and the ideal effect of the projector is achieved.
The front side of the projection mobile phone provided by the application is shown in fig. 4, which is the same as the existing projection mobile phone; the mobile phone includes a front camera 41; the switch key 42 is arranged at the other side of the mobile phone; the mobile phone volume increasing key 43 and the mobile phone volume decreasing key 44 are arranged on the side surface of the mobile phone;
the back of the projection mobile phone of the present application is shown in fig. 5, which is the same as the existing mobile phone; the back of the mobile phone is provided with a rear camera 51, an OLED projection light source 52 and a projection lens 53; the bluetooth speaker 54 of the mobile phone is arranged at the lower position.
The same as the structure of the existing projection mobile phone, the structure of the mobile phone internal circuit board of the present application refers to fig. 6, and the mobile phone internal circuit board includes: a projection chip and projection circuit 051, an OLED light source 052, a lens group 053, a reflector 054 and a light absorption component 055; a camera circuit 064 and a nano-carbon heat dissipation film 056 are arranged at the upper left corner; a nanometer battery power circuit 057, a processor memory circuit 058 and an operation display screen circuit 059 are also arranged at the lower part and the lower left corner of the heat dissipation film; a radio frequency circuit 060 is arranged below the right side; and card slot 1, serial number 061; card slot 2, serial number 062; card slot 3, serial number 063. The Bluetooth headset further comprises a Bluetooth sound circuit 065, a voice circuit 066 and a charging circuit 067.
The present application further proposes a projection apparatus, see fig. 7A; the projection device comprises the projection mobile phone, a fan 74, a charging device 72 and a supporting device 71; wherein the supporting device 71 is a telescopic bracket; can be extended and retracted in length; the charging device 72 can be implemented by a charger; the existing mobile phone charger is provided with a mobile phone clamp and a mobile phone seat 721, and the mobile phone can be clamped and fixed while being charged; the clamp is a U-shaped charging throne frame; the charging device is used for fixing the projection mobile phone; and charging the projection handset; the charging port of the projection mobile phone is connected with the first charging port of the charging device; the charging port of the fan is connected with the second charging port of the charging device; the fan is used for blowing air to dissipate heat of the projection mobile phone.
Referring to fig. 7B, the charging device is a charger bank; includes a U-shaped mount 721; the charger is used for being fixed on the support frame and the charger baby; the mobile phone is inserted on the U-shaped seat frame and used for charging and fixing; a key region 722 is provided on the seat frame; referring to fig. 7C, fig. 7C is a schematic enlarged partial view of a key region of the charger baby in fig. 7B; FIG. 7C is a schematic enlarged partial view of the key area of the charger of FIG. 7B; comprises a charger indicator lamp 7221; a charging outlet 7222; a charger power button 7223; the charger baby indicator lamp 7221 is used for flashing when the charger baby charges the projection mobile phone; a charging socket 7222 for projecting a mobile phone or charging a USB fan; treasured power button 7223 charges is used for controlling the start-up of treasured that charges.
In one embodiment, to increase the functionality of the projection device, see fig. 8A; also included are detection means 81, controller 82 and alarm means 83.
The detection device 81 and the alarm device 83 are respectively connected with the controller 82; the controller 82 is configured to receive a detection result of the detection device; when the detection result reaches an alarm condition, the controller controls the alarm device 83 to alarm.
The controller can be realized by a single chip microcomputer, and refer to a pin schematic diagram of the single chip microcomputer shown in fig. 8B; the controller may also be implemented by other DSP chips, and the implementation forms are various, which is not limited in this application. The detection device comprises one or more of a human body detection sensor, a temperature sensor and a humidity sensor.
Alarm means, see a conventional alarm circuit shown in fig. 9; comprises a buzzer and a photodiode which are connected with a controller; in fig. 9, one end of the photodiode is connected to one end of the resistor, and the other end of the resistor is connected to an output port of the single chip; the other end of the photodiode is connected with a power supply; when the photodiode flickers, an alarm is indicated; the buzzer is connected with one output port of the singlechip through the base electrode of the triode; the collector of the triode is connected with the power supply; a buzzer is arranged on the transmitter; when the triode is conducted, the buzzer gives an alarm. The alarm circuit has many other implementation forms, and is not limited in particular.
The detection device can adopt one or more of the following sensors: temperature sensors, human body detection sensors; the system also comprises a central controller; the projection mobile phone is arranged in the projection mobile phone and is connected with a projection light source; the temperature sensor is used for detecting the temperature of the projection mobile phone; converting the detected temperature signal into an electric signal and sending the electric signal to the central controller; if the temperature exceeds a preset threshold value, the central controller controls a projection light source in the projection mobile phone to be turned off; the human body detection sensor is used for detecting whether people exist around the projection mobile phone; for example, the human body detection sensor can be realized by adopting the existing product, namely a millet human body sensor. The product can be specially used for detecting whether a human body or a pet moves and approaches. Preferably, the human body detection sensor is installed at the top of the stand, or at the foot of the stand; or any corner of the room, the projection mobile phone turns off the projected LED power supply or the laser power supply as long as no person in the room is detected, so that the electric energy of the projection mobile phone is saved. When no person around the projection mobile phone is detected, sending an electric signal to a central controller; the central controller controls the light source of the projection in the projection handset to be turned off. It is worth emphasizing that the above-mentioned sensors can send wireless electric signals to a central controller in the handset; the central controller is provided with a wireless transceiving module which can receive the electric signal sent by the sensor in a wireless mode;
in one embodiment, after the projection mobile phone starts to work, the central controller starts to time, and when the timed time reaches a preset time, the central controller controls to turn off the LED light source; the projection is automatically stopped.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A projection handset, comprising: the exhaust fan is used for exhausting air and dissipating heat for the projection mobile phone;
the exhaust fan is arranged on the circuit board or the rear cover;
the rear cover is provided with a ventilation hole for ventilation and heat dissipation.
2. The projection handset of claim 1, further comprising a nanocarbon heat spreading film;
the nano carbon heat dissipation film is arranged on the inner side of the rear cover of the projection mobile phone or on the circuit board.
3. The projection handset of claim 1 wherein the power supply battery of the projection handset is a nano-battery.
4. The projection handset of claim 1, wherein when the fans are disposed on the back cover, the number of the fans is plural, and the fans are evenly arranged on the back cover.
5. The projection handset of claim 1 wherein the number of fans is 6.
6. The projection handset of claim 5, wherein the fan blades are 1-5 mm thick.
7. A projection device, comprising the projection mobile phone of any one of claims 1 to 6, further comprising a USB fan, a mobile phone cradle charger and a telescopic cradle;
a mobile phone support mobile power supply is arranged at the top end of the telescopic support;
the mobile phone support mobile power supply is used for fixing the projection mobile phone; and charging the projection handset;
the charging port of the projection mobile phone is connected with the first charging port of the mobile phone support mobile power supply;
the USB port of the USB fan is connected with the second charging port of the mobile phone support mobile power supply;
the USB fan is used for blowing air to dissipate heat of the projection mobile phone.
8. The projection device of claim 7, further comprising one or more of: a temperature sensor, a human body infrared sensor;
the system also comprises a central controller; the projection mobile phone is arranged in the projection mobile phone and is connected with a projection light source;
the temperature sensor is used for detecting the temperature of the projection mobile phone; converting the detected temperature signal into an electric signal and sending the electric signal to the central controller; if the temperature exceeds a preset threshold value, the central controller controls a projection light source in the projection mobile phone to be turned off;
the infrared sensor is used for detecting whether people exist around the projection mobile phone;
when the infrared sensor detects that no person exists around the projection mobile phone, an electric signal is sent to the central controller; the central controller controls the light source of the projection in the projection handset to be turned off.
9. The projection device of claim 7, further comprising a detection device, a controller, and an alarm device;
the detection device and the alarm device are respectively connected with the controller;
the controller is provided with and receives the detection result of the detection device;
and when the detection result reaches an alarm condition, the controller controls the alarm device to alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159161.0A CN111327737A (en) | 2020-03-09 | 2020-03-09 | Projection mobile phone and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159161.0A CN111327737A (en) | 2020-03-09 | 2020-03-09 | Projection mobile phone and projection device |
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|---|---|
| CN111327737A true CN111327737A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010159161.0A Pending CN111327737A (en) | 2020-03-09 | 2020-03-09 | Projection mobile phone and projection device |
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| CN (1) | CN111327737A (en) |
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| CN208424464U (en) * | 2018-06-26 | 2019-01-22 | 河南首弘电子科技有限公司 | A kind of efficient radiating apparatus for projection mobile phone |
| CN211656179U (en) * | 2020-03-09 | 2020-10-09 | 刘敏 | Projection mobile phone and projection device |
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