CN217382803U - Heat dissipation unit and projecting lamp of zooming - Google Patents
Heat dissipation unit and projecting lamp of zooming Download PDFInfo
- Publication number
- CN217382803U CN217382803U CN202220951692.8U CN202220951692U CN217382803U CN 217382803 U CN217382803 U CN 217382803U CN 202220951692 U CN202220951692 U CN 202220951692U CN 217382803 U CN217382803 U CN 217382803U
- Authority
- CN
- China
- Prior art keywords
- lens
- pressing plate
- slide block
- rear cover
- heat
- 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
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a heat dissipation unit and projecting lamp of zooming, the unit of zooming includes the radiator, and install the lamp plate in radiator one end, including a motor, an end cap, a controller, and a cover plate, lens support, leaded light battery group, the lens clamp plate, lid behind the lens, disjunctor lens, focusing clamp plate and movable assembly, the other end fixed mounting of radiator has a plurality of fins that distribute the setting, and be connected with waterproof fan subassembly at the outside fixed surface of fin, waterproof fan subassembly is used for distributing away the absorptive heat of fin, leaded light battery group's one end and lamp plate electric connection serve one through lamp plate fixed mounting at the radiator, leaded light battery group's the other end passes the lens clamp plate and stretches into to the lid behind the lens, disjunctor lens fixed mounting is covered behind the lens, lid fixed mounting is on the lens support behind the lens, focusing clamp plate is connected with movable assembly. The utility model discloses can adjust the distance between disjunctor lens and the leaded light battery of lens well, realize the function of zooming of projecting lamp to and can dispel the heat well.
Description
Technical Field
The utility model relates to a lamps and lanterns technical field, concretely relates to unit and projecting lamp zoom dispel heat.
Background
The projecting lamp is often used for the stage to make the use scene of scene, throws different light through the projecting lamp and forms different light shadow change atmosphere to the stage background environment is held up by the fire. Many present projecting lamps do not all possess the function of zooming to and the radiating effect is poor, often can only throw on the ground or the wall of specific distance can the clear display pattern or the pure tone diaphragm. In the structural design of this kind of projecting lamp, often its lens is fixed a certain position in the projecting lamp and can't remove, causes it can't zoom to influence the result of use of projecting lamp, reduce user experience degree. In addition, these kinds of projecting lamps often also do not possess heat dissipation or the radiating effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, it is an object of the present invention to provide a heat dissipation zoom unit that can solve the problems of incapability of zooming and unsatisfactory heat dissipation effect;
the second purpose of the utility model is to provide a projecting lamp, it can solve can not zoom and the unsatisfactory problem of radiating effect.
Realize the utility model discloses a technical scheme of one of the purpose does: a heat dissipation zoom unit comprises a heat radiator, a lamp panel, a motor, a lens bracket, a light guide lens group, a lens pressing plate, a lens rear cover, a conjoined lens, a focusing pressing plate and a movable assembly, wherein the lamp panel, the motor, the lens bracket, the light guide lens group, the lens pressing plate, the lens rear cover, the conjoined lens, the focusing pressing plate and the movable assembly are arranged at one end of the heat radiator, a plurality of distributed fins are fixedly arranged at the other end of the heat radiator, a waterproof fan assembly is fixedly connected to the outermost side surfaces of the fins, the waterproof fan assembly is used for dissipating heat absorbed by the fins,
one end of the light guide lens group is electrically connected with the lamp panel and is fixedly arranged at one end of the radiator through the lamp panel, the other end of the light guide lens group penetrates through the lens pressing plate and extends into the lens rear cover and is opposite to the conjoined lens, the conjoined lens is fixedly arranged on the lens rear cover, the lens rear cover is fixedly arranged on the lens support, the focusing pressing plate is connected with the movable assembly, and the focusing pressing plate is positioned at one side of the conjoined lens far away from the lamp panel,
the lens support is movably sleeved on the movable component, so that the movable component can drive the lens support to move close to or away from the light guide lens group,
the motor is used for driving the movable assembly to be close to or far away from the light guide lens group, so that the distance between the connected lens connected with the movable assembly and the light guide lens group is increased or decreased, and zooming is completed.
Further, the movable assembly comprises a slide rod, a slide block pressing plate, a slide block assembly, a slide block support column, a lens support column and a slide block seat, the lamp panel is fixedly arranged in the middle of the radiator, one end of the slide block seat is fixedly arranged on the radiator, the slide block seat is fixedly connected with the lens support column through the lens support column, so that the slide block seat is arranged between the radiator and the lens support column, the slide block assembly and the slide block support column are fixedly sleeved in the middle of the slide rod, the slide block assembly is abutted against the slide block support column, the slide block support column is close to the slide block seat, one end of the slide rod penetrating through the slide block assembly is fixedly connected with the focusing pressing plate after penetrating through the slide block pressing plate, the slide block assembly is fixed on the slide block pressing plate, the other end of the slide block penetrating through the slide block support column penetrates through the lens support column and is fixedly connected with the slide block pressing plate, one end of the slide block support column close to the slide block assembly is fixedly connected with the slide block pressing plate, the other end of the slide block support column is abutted against the lens support column, so that the slide block strut is arranged between the slide block pressing plate and the lens bracket, the conjoined lens is fixedly arranged on the lens rear cover, the lens rear cover is fixedly arranged on one end of the lens pressing plate, the lens pressing plate is fixedly arranged on the lens bracket, so that the conjoined lens is arranged on the radiator,
the motor is fixed on the lamp plate, and the output shaft of motor passes through the lead screw and connects on the slider clamp plate with rotating.
Further, the lamp panel is fixedly installed at the center of the radiator.
Further, one end fixed mounting of slide bar seat is in the recess of radiator and the slide bar seat is located the outside of lamp plate.
Further, the lens support post is vertically fixed to an outer edge of the slide bar base.
Further, the sliding block component is embedded and fixed in the through hole of the sliding block pressing plate.
Further, the other end of the slider post abuts against the edge of the lens holder.
Furthermore, the lenses of the light guide lens group penetrate through the through holes on the lens pressing plate and extend into the lens rear cover, and each lens is opposite to the corresponding lens unit of the conjoined lens.
Realize the utility model discloses a second technical scheme of purpose does: the utility model provides a projecting lamp, projecting lamp include the heat dissipation zooms unit, protecgulum shell and back lid shell, thereby the heat dissipation zooms the radiator both ends of unit and is connected as a whole with protecgulum shell and back lid shell fixed connection respectively to the cavity before the heat dissipation zooms and forms between unit and the protecgulum shell, and zoom and form the back cavity between unit and the back lid shell at the heat dissipation.
Furthermore, a glass pressing plate, a glass rubber ring and transparent glass are sequentially arranged in the front cavity along the direction from the heat dissipation zooming unit to the front cover shell, one end of the glass pressing plate is fixedly connected with the focusing pressing plate, the other end of the glass pressing plate is fixedly connected with the transparent glass through the glass rubber ring, the glass rubber ring is arranged between the glass pressing plate and the transparent glass, light rays emitted by the conjoined lens penetrate through the transparent glass and then are emitted from the front cover shell,
the rear cover pressing plate is sequentially installed in the rear cavity along the direction from the heat dissipation zooming unit to the rear cover shell, a rear cover rubber ring, a power supply, a display panel and a display pressing plate, the radiator is fixedly connected with the rear cover shell through the rear cover pressing plate, the rear cover pressing plate is sleeved on fins of the radiator, the power supply is fixed on the rear cover pressing plate and is close to or abutted against a waterproof fan assembly on the fins, the display panel is fixed on the rear cover shell through the display pressing plate, the display panel rubber ring is installed at the joint of the display panel and the rear cover shell, the display panel is electrically connected with the power supply, the display panel is further electrically connected with the lamp panel, the power supply is used for supplying power to the display panel, a power signal cable is fixedly connected to the outer electric energy and signals, and the power supply provides energy and transmits display signals to the display panel.
The utility model has the advantages that: the utility model discloses can adjust the distance between disjunctor lens and the leaded light battery of lens well, realize the function of zooming of projecting lamp to waterproof fan subassembly on cooperation fin and the fin can also dispel the heat well.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation zoom unit;
FIG. 2 is an exploded view of the heat dissipating zoom unit;
fig. 3 is a schematic structural diagram of a projector including a heat dissipation zoom unit;
FIG. 4 is an exploded view of the projector;
wherein, 1-conjoined lens, 2-focusing pressure plate, 3-slide bar, 4-slide block pressure plate, 5-radiator, 51-fin, 6-lens back cover, 7-motor, 8-slide block component, 9-slide block support, 10-lens support, 11-lens support, 12-slide bar seat, 13-lens pressure plate, 14-light guide lens group, 15-a lamp panel, 16-a front cover shell, 17-a rear cover shell, 18-a power signal cable, 19-a support, 20-a display panel rubber ring, 21-a display pressing plate, 22-a display panel, 23-a power supply, 24-a rear cover rubber ring, 25-a rear cover pressing plate, 26-a waterproof fan assembly, 27-a glass pressing plate, 28-a glass rubber ring and 29-light-transmitting glass.
Detailed Description
The invention will be further described with reference to the drawings and the embodiments.
As shown in fig. 1-2, a heat dissipation zoom unit includes a heat sink 5, a lamp panel 15, a motor 7, a lens support 10, a light guide lens group 14, a lens pressing plate 13, a lens rear cover 6, a conjoined lens 1, a focusing pressing plate 2 and a movable assembly, the lamp panel 15, the motor 7, the lens support 10, the light guide lens group 14, the lens pressing plate 13, the lens rear cover 6, the conjoined lens 1, the focusing pressing plate 2 and the movable assembly are mounted at one end of the heat sink 5, a plurality of distributed fins 51 are fixedly mounted at the other end of the heat sink 5, a waterproof fan assembly 26 is fixedly connected to the outermost surface of the fins 51, and the waterproof assembly is transversely fixed on the fins 51 and is vertically connected to the fins 51.
The movable assembly comprises a slide rod 3, a slide block pressure plate 4, a slide block assembly 8, a slide block support column 9, a lens support column 11 and a slide rod seat 12. The lamp panel 15 is fixedly installed in the middle of the heat sink 5, for example, at the center of the heat sink 5, one end of the slide bar base 12 is fixedly installed in the groove of the heat sink 5, the slide bar base 12 is located at the outer side of the lamp panel 15, the slide bar base 12 is fixedly connected with the lens support 10 through the lens support 11, so that the slide bar base 12 is located between the heat sink 5 and the lens support 10, and the lens support 11 is vertically fixed at the outer edge of the slide bar base 12. The middle part of the slide rod 3 is fixedly sleeved with a slide block component 8 and a slide block strut 9, the slide block component 8 is abutted against the slide block strut 9, and the slide block strut 9 is close to a slide rod seat 12. One end of the slide rod 3 penetrating through the slide block assembly 8 penetrates through the slide block pressing plate 4 and then is fixedly connected with the focusing pressing plate 2, the slide block assembly 8 is embedded and fixed in a through hole of the slide block pressing plate 4, and the other end of the slide block penetrating through the slide block supporting column 9 penetrates through a through hole in the edge of the lens support 10 and then is fixedly connected with the slide rod seat 12. The one end that slider pillar 9 is close to slider assembly 8 is contradicted on slider clamp plate 4 and with slider clamp plate 4 fixed connection, and the other end of slider pillar 9 is contradicted on the edge of lens support 10 to make slider pillar 9 between slider clamp plate 4 and lens support 10. The conjoined lens 1 is fixedly arranged on the lens rear cover 6, the lens rear cover 6 is fixedly arranged on one end of the lens pressing plate 13, and the lens pressing plate 13 is fixedly arranged on the lens support 10, so that the conjoined lens 1 is arranged on the radiator 5. The light guide lens group 14 is located at the other end of the lens pressing plate 13, and the lenses of the light guide lens group 14 penetrate through the through holes on the lens pressing plate 13 and extend into the lens rear cover 6, and each lens is opposite to the corresponding lens unit of the conjoined lens 1. Light guide lens group 14 fixed mounting is on lamp plate 15 and with lamp plate 15 electric connection. The conjoined lens 1 is located between the focusing pressing plate 2 and the radiator 5, namely, is located at the lower end of the focusing pressing plate 2, and the focusing pressing plate 2 plays a role in limiting and containing the conjoined lens 1.
The motor 7 is fixed on the lamp panel 15, and the output shaft (namely the rotor) of the motor 7 is rotationally connected to the sliding block pressing plate 4 through the lead screw, so that the motor 7 can drive the sliding block pressing plate 4 to be close to or far away from the motor 7 through the lead screw to perform linear movement.
In practical use, the heat sink 5 is installed at a position close to the power supply 23 of the projector or other heat sources, the fins 51 on the heat sink 5 can well absorb heat emitted from the power supply 23, and the waterproof fan assembly 26 on the heat sink 5 can well emit heat around the fins 51 and the power supply 23, so that a good heat dissipation effect is achieved. When zooming is needed, the motor 7 drives the focusing pressing plate 2 to be close to or far away from the motor 7, the sliding block assembly 8 on the sliding rod 3 is fixedly embedded on the focusing pressing plate 2, the sliding block assembly 8 is fixedly connected with the sliding block supporting column 9, and the sliding block supporting column 9 is fixedly connected with the lens support 10, so that the lens support 10 moves in the vertical direction along the sliding rod 3, the distance between the conjoined lens 1 and the light guide lens group 14 is adjusted, and zooming is completed. Thereby realizing the functions of heat dissipation and zooming and forming a heat dissipation zooming unit.
Referring to fig. 3 and 4, the utility model discloses still relate to a projecting lamp, the projecting lamp includes the heat dissipation zooms unit, protecgulum shell 16 and back lid shell 17, thereby 5 both ends of radiator that the unit was zoomed in the heat dissipation are connected as a whole with protecgulum shell 16 and back lid shell 17 fixed connection respectively to zoom in the heat dissipation and form preceding cavity between unit and protecgulum shell 16, and zoom in the heat dissipation and form the back cavity between unit and back lid shell 17. The glass pressing plate 27, the glass rubber ring 28 and the light-transmitting glass 26 are sequentially arranged in the front cavity along the direction from the heat dissipation zooming unit to the front cover shell 16, one end of the glass pressing plate 27 is fixedly connected with the focusing pressing plate 2, the other end of the glass pressing plate 27 is fixedly connected with the light-transmitting glass 26 through the glass rubber ring 28, the glass rubber ring 28 is located between the glass pressing plate 27 and the light-transmitting glass 26, and light emitted by the conjoined lens 1 penetrates through the light-transmitting glass 26 and then is emitted from the front cover shell 16. A rear cover pressing plate 25, a rear cover rubber ring 24, a power supply 23, a display panel 22 and a display pressing plate 21 are sequentially arranged in the rear cavity along the direction from the heat dissipation zoom unit to the rear cover shell 17, the heat radiator 5 is fixedly connected with the rear cover shell 17 through the rear cover pressing plate 25, and the rear cover pressing plate 25 is sleeved on fins 51 of the heat radiator 5. The power supply 23 is fixed on the rear cover pressing plate 25 and is close to or abutted against the waterproof fan assembly 26 on the fin 51, so that the fin 51 and the waterproof fan assembly 26 on the fin 51 can well radiate heat generated by the operation of the power supply 23. Display panel 22 is fixed on back lid shell 17 through showing clamp plate 21, display panel rubber ring 20 is installed with the junction of back lid shell 17 to display panel 22, display panel 22 and 23 electric connection of power, display panel 22 still with 15 electric connection of lamp plate, thereby send received display signal for lamp plate 15, lamp plate 15 shines according to the display signal, the light that launches passes leaded light lens group 14 in proper order, disjunctor lens 1 and printing opacity glass 26 back, jet out from front lid shell 16, thereby throw light. The power supply 23 is used to supply power to the display panel 22. A power signal cable 18 is fixedly connected to an outer side of the rear cover 17, and the power signal cable 18 is used for connecting external power and signals to supply power to a point power source 23 and to transmit a display signal to the display panel 22.
The embodiment disclosed in this specification is only an example of the single-sided characteristics of the present invention, the protection scope of the present invention is not limited to this embodiment, and other embodiments with any functional equivalence all fall into the protection scope of the present invention. Various other changes and modifications to the above-described embodiments and concepts may occur to those skilled in the art, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (10)
1. A heat dissipation zooming unit is characterized by comprising a radiator, a lamp panel, a motor, a lens bracket, a light guide lens group, a lens pressing plate, a lens rear cover, a conjoined lens, a focusing pressing plate and a movable assembly, wherein the lamp panel, the motor, the lens bracket, the light guide lens group, the lens pressing plate, the lens rear cover, the conjoined lens, the focusing pressing plate and the movable assembly are arranged at one end of the radiator, a plurality of distributed fins are fixedly arranged at the other end of the radiator, a waterproof fan assembly is fixedly connected to the outermost side surfaces of the fins, the waterproof fan assembly is used for dissipating heat absorbed by the fins,
one end of the light guide lens group is electrically connected with the lamp panel and is fixedly arranged at one end of the radiator through the lamp panel, the other end of the light guide lens group penetrates through the lens pressing plate and extends into the lens rear cover and is opposite to the conjoined lens, the conjoined lens is fixedly arranged on the lens rear cover, the lens rear cover is fixedly arranged on the lens support, the focusing pressing plate is connected with the movable assembly, and the focusing pressing plate is positioned at one side of the conjoined lens away from the lamp panel,
the lens support is movably sleeved on the movable component, so that the movable component can drive the lens support to move close to or far away from the light guide lens group,
the motor is used for driving the movable assembly to be close to or far away from the light guide lens group, so that the distance between the connected lens connected with the movable assembly and the light guide lens group is increased or decreased, and zooming is completed.
2. The heat dissipating zoom unit of claim 1, wherein the movable assembly comprises a slide bar, a slide block pressing plate, a slide block assembly, a slide block support, a lens support and a slide block seat, the lamp panel is fixedly mounted in the middle of the heat sink, one end of the slide block seat is fixedly mounted on the heat sink, the slide block seat is fixedly connected with the lens support through the lens support, so that the slide block seat is interposed between the heat sink and the lens support, the middle of the slide bar is fixedly sleeved with the slide block assembly and the slide block support, the slide block assembly abuts against the slide block support, the slide block support is close to the slide block seat, one end of the slide bar penetrating through the slide block assembly is fixedly connected with the focusing pressing plate after penetrating through the slide block pressing plate, the slide block assembly is fixed on the slide block pressing plate, the other end of the slide block penetrating through the slide block support is fixedly connected with the slide block seat, one end of the slide block support close to the slide block assembly is fixedly connected with the slide block pressing plate, the other end of the slide block strut is abutted against the lens bracket, so that the slide block strut is arranged between the slide block pressing plate and the lens bracket, the conjoined lens is fixedly arranged on the lens rear cover, the lens rear cover is fixedly arranged on one end of the lens pressing plate, the lens pressing plate is fixedly arranged on the lens bracket, so that the conjoined lens is arranged on the radiator,
the motor is fixed on the lamp plate, and the output shaft of motor passes through the lead screw and connects on the slider clamp plate with rotating.
3. The heat dissipating zoom unit of claim 2, wherein the light panel is fixedly mounted at the midpoint of the heat sink.
4. The heat dissipation zoom unit of claim 2, wherein one end of the slide bar seat is fixedly mounted in a groove of the heat sink and the slide bar seat is located outside the lamp panel.
5. The heat dissipating zoom unit of claim 2, wherein the lens support posts are fixed vertically to an outer edge of the slide bar mount.
6. The heat dissipating zoom unit of claim 2, wherein the slider assembly is embedded in a through hole fixed to the slider platen.
7. The heat dissipating zoom unit of claim 2, wherein the other end of the slider post abuts against an edge of the lens holder.
8. The heat dissipating zoom unit of claim 2, wherein the lenses of the light directing lens group extend through the through holes in the lens platen into the lens rear cover, and each lens faces a corresponding lens unit of the conjoined lens.
9. A light projector comprising the heat-dissipating zoom unit as claimed in any one of claims 1 to 8, a front cover housing and a rear cover housing, both ends of a heat sink of the heat-dissipating zoom unit being fixedly connected to the front cover housing and the rear cover housing, respectively, to be connected as a single body, and forming a front cavity between the heat-dissipating zoom unit and the front cover housing and a rear cavity between the heat-dissipating zoom unit and the rear cover housing.
10. The light projector as claimed in claim 9, wherein a glass pressing plate, a glass rubber ring and a transparent glass are sequentially installed in the front cavity along a direction from the heat dissipation zoom unit to the front cover housing, one end of the glass pressing plate is fixedly connected with the focusing pressing plate, the other end of the glass pressing plate is fixedly connected with the transparent glass through the glass rubber ring, the glass rubber ring is located between the glass pressing plate and the transparent glass, light emitted by the conjoined lens passes through the transparent glass and then is emitted from the front cover housing,
the rear cover pressing plate is sequentially installed in the rear cavity along the direction from the heat dissipation zooming unit to the rear cover shell, a rear cover rubber ring, a power supply, a display panel and a display pressing plate, the radiator is fixedly connected with the rear cover shell through the rear cover pressing plate, the rear cover pressing plate is sleeved on fins of the radiator, the power supply is fixed on the rear cover pressing plate and is close to or abutted against a waterproof fan assembly on the fins, the display panel is fixed on the rear cover shell through the display pressing plate, the display panel rubber ring is installed at the joint of the display panel and the rear cover shell, the display panel is electrically connected with the power supply, the display panel is further electrically connected with the lamp panel, the power supply is used for supplying power to the display panel, a power signal cable is fixedly connected to the outer electric energy and signals, and the power supply provides energy and transmits display signals to the display panel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220951692.8U CN217382803U (en) | 2022-04-22 | 2022-04-22 | Heat dissipation unit and projecting lamp of zooming |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220951692.8U CN217382803U (en) | 2022-04-22 | 2022-04-22 | Heat dissipation unit and projecting lamp of zooming |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217382803U true CN217382803U (en) | 2022-09-06 |
Family
ID=83109975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220951692.8U Active CN217382803U (en) | 2022-04-22 | 2022-04-22 | Heat dissipation unit and projecting lamp of zooming |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217382803U (en) |
-
2022
- 2022-04-22 CN CN202220951692.8U patent/CN217382803U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN217382803U (en) | Heat dissipation unit and projecting lamp of zooming | |
CN210891483U (en) | Zoom and rotation combined mechanism of stage lamp | |
CN211667782U (en) | Waterproof imaging lamp of no fan | |
CN205447477U (en) | Practical LED pattern stage lamp | |
CN214535839U (en) | Electric spotlight | |
CN212302184U (en) | Flash lamp | |
CN211011190U (en) | Car light module and car light | |
CN211822060U (en) | Light beam lamp with better imaging effect | |
CN208186080U (en) | A kind of projection lamp | |
CN215259576U (en) | Pattern module of lamp | |
CN209977724U (en) | LED lamp based on thing networking | |
CN216010478U (en) | Pattern effect and firefly effect combination projection lamp | |
CN206572233U (en) | High-power integrated COB light source pattern lamp | |
CN110878921A (en) | Remote searchlight | |
CN210491010U (en) | Array type monitoring camera | |
CN213577097U (en) | But electric angle regulation's down lamp | |
CN220728015U (en) | Square double-direct-irradiation double-light lens | |
CN218153858U (en) | Light beam moving head lamp | |
CN214890763U (en) | Automatic control type LED lamp | |
CN210921100U (en) | Remote searchlight | |
CN221766061U (en) | Code reader | |
CN217374786U (en) | Scooter | |
CN215570040U (en) | Circular LED court lamp | |
CN213686681U (en) | Automatic stage lamp of focusing | |
CN108427238B (en) | Electric laser illuminator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |