CN217655662U - Laser electronic organ - Google Patents
Laser electronic organ Download PDFInfo
- Publication number
- CN217655662U CN217655662U CN202123385808.0U CN202123385808U CN217655662U CN 217655662 U CN217655662 U CN 217655662U CN 202123385808 U CN202123385808 U CN 202123385808U CN 217655662 U CN217655662 U CN 217655662U
- Authority
- CN
- China
- Prior art keywords
- base
- laser
- groove
- electronic organ
- connecting rod
- 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
- Radiation-Therapy Devices (AREA)
Abstract
The application relates to the technical field of electronic organs, in particular to a laser electronic organ. A laser electronic organ comprises a base, a controller, a buzzer, a mounting rack, a limiting piece, a plurality of laser transmitters and a plurality of photoresistors; the buzzer, the laser transmitters and the photoresistors are all electrically connected with the controller; the plurality of laser transmitters are connected with the base; the mounting frame is connected with the base, and the plurality of photoresistors are connected with the mounting frame and are sequentially arranged along the preset direction; each laser emitter corresponds to one photoresistor and is used for emitting light to the corresponding photoresistor; the laser electronic organ has the advantages of simple structure, small volume, portability and low manufacturing cost.
Description
Technical Field
The application relates to the technical field of electronic organs, in particular to a laser electronic organ.
Background
At present, sound production is controlled through entity keys in the electronic organ on the market, and the electronic organ is large in size, high in manufacturing cost and inconvenient to carry due to the arrangement mode.
SUMMERY OF THE UTILITY MODEL
The application provides a laser electronic organ to improve above-mentioned problem.
The utility model discloses it is specifically such:
a laser electronic organ comprises a base, a controller, a buzzer, a mounting rack, a plurality of laser transmitters and a plurality of photoresistors;
the controller and the buzzer are both connected with the base;
the plurality of laser transmitters are connected with the base and are sequentially arranged along a preset direction;
the mounting frame is connected with the base, and the plurality of photoresistors are connected with the mounting frame and are sequentially arranged along the preset direction; each laser emitter corresponds to one photoresistor and is used for emitting light to the corresponding photoresistor;
the buzzer, the laser emitters and the photoresistors are all electrically connected with the controller.
In an embodiment of the present invention, the laser electronic organ further comprises a position limiting member;
the mounting rack is rotatably connected to the base, is used for rotating relative to the base under the action of external force and at least comprises a first position and a second position; when the mounting rack is at the first position, the mounting rack is accommodated in the base; when the mounting rack is at the second position, each photoresistor on the mounting rack is right opposite to the corresponding laser emitter;
the limiting part is connected with the base and the mounting frame, and the limiting part is used for limiting the rotation of the mounting frame relative to the base.
In one embodiment of the present invention, the mounting frame includes a first connecting rod, a second connecting rod, and a loading rod;
the first connecting rod and the second connecting rod are distributed on two sides of the base along the preset direction, one ends of the first connecting rod and the second connecting rod are rotatably connected with the base, and two ends of the loading rod extending along the preset direction are respectively connected with the other ends of the first connecting rod and the second connecting rod;
a plurality of photoresistors are all connected to the loading rod.
In an embodiment of the present invention, an L-shaped groove is formed on the outer peripheral surface of the base, and the L-shaped groove is used for cooperating with the mounting rack at the first position.
In an embodiment of the present invention, the position-limiting member includes a position-limiting rod, a slider, and a locking stud;
along the preset direction, one side of the base is provided with a T-shaped groove, and the T-shaped groove extends along the direction vertical to the preset direction;
the sliding block is slidably arranged in the T-shaped groove; along the preset direction, the first connecting rod and the limiting rod are positioned on the same side of the base, and two ends of the limiting rod are respectively rotatably connected with the first connecting rod and the sliding block;
the locking stud is in threaded connection with the sliding block, and the locking stud is used for rotating relative to the sliding block under the action of external force so as to abut against the inner wall of the T-shaped groove or abut against the inner wall of the T-shaped groove.
In an embodiment of the utility model, the side of the first connecting rod facing the base is provided with a abdicating groove;
when the mounting bracket is in the first position, the locking stud is located in the abdicating groove.
The utility model discloses an in the embodiment, the length in groove of stepping down is greater than the diameter of locking double-screw bolt.
In an embodiment of the present invention, the first connecting rod has a mounting groove formed on a side surface thereof facing the base;
the connecting part of the limiting rod and the first connecting rod is positioned in the mounting groove; the abdicating groove is positioned at the bottom of the mounting groove;
when the mounting bracket is in the first position, the gag lever post is located the mounting groove.
The utility model discloses an in one embodiment, the length of mounting groove is greater than the length of first connecting rod.
In an embodiment of the present invention, the laser electronic organ further comprises a movable frame, and the plurality of laser transmitters are connected to the movable frame;
the base is provided with a first containing groove and a second containing groove;
the controller and the buzzer are both accommodated in the first accommodating groove;
the second accommodating groove extends along the preset direction; the movable frame is rotatably arranged in the second accommodating groove, and the rotating axis of the movable frame relative to the second accommodating groove is parallel to the preset direction.
The utility model has the advantages that:
the laser electronic organ comprises a base, a controller, a buzzer, a mounting rack, a limiting piece, a plurality of laser transmitters and a plurality of photoresistors; the controller and the buzzer are both connected with the base; the plurality of laser transmitters are connected with the base and are sequentially arranged along a preset direction;
the mounting frame is connected with the base, and the plurality of photoresistors are connected with the mounting frame and are sequentially arranged along the preset direction; each laser emitter corresponds to one photoresistor and is used for emitting light to the corresponding photoresistor;
the buzzer, the laser emitters and the photoresistors are all electrically connected with the controller.
The plurality of photoresistors of the laser electronic organ are connected to the mounting frame, and the mounting frame is rotatably connected to the base, so that the mounting frame can be changed in position in the first position or the second position by rotating the mounting frame, and the laser electronic organ can be further enabled to have a use state and a storage state; when the laser electronic organ is in a use state, the rotation of the mounting rack relative to the base can be limited under the action of the limiting piece, so that each photoresistor connected to the mounting rack can be kept in a state of being right opposite to the corresponding laser emitter; so that each photoresistor can receive the light emitted by the corresponding laser emitter;
when the laser electronic organ is in a storage state, the mounting frame is stored in the base, so that the volume of the laser electronic organ can be reduced in such a way;
therefore, the laser electronic organ has the advantages of simple structure, small volume, portability and low manufacturing cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural view of a laser electronic organ provided in the present application;
FIG. 2 is a schematic structural diagram of a base provided herein;
FIG. 3 is a partial schematic view of FIG. 1 at A;
FIG. 4 is a partial schematic view of FIG. 1 at B;
FIG. 5 is a partial schematic view at C of FIG. 1;
fig. 6 is a circuit diagram of a laser electronic organ provided by the present application.
Icon: 100-laser electronic organ; 110-a base; 120-a controller; 130-a buzzer; 140-a mounting frame; 150-a stop; 160-laser emitter; 170-a photoresistor; 141-a first link; 142-a second link; 143-a loading rod; a 111-L-shaped groove; 151-a limiting rod; 152-a slide block; 153-a locking stud; 112-T type groove; 144-a relief groove; 145-mounting grooves; 180-a movable frame; 113-a first receiving groove; 114-a second receiving groove;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the application is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the application is used, is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or the element which is indicated must have a specific orientation, be configured and operated in a specific orientation, and therefore, cannot be understood as the limitation of the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to 5, the present invention provides a laser electronic organ 100, which includes a base 110, a controller 120, a buzzer 130, a mounting frame 140, a limiting member 150, a plurality of laser emitters 160 and a plurality of photo resistors 170;
the controller 120 and the buzzer 130 are both connected with the base 110;
the plurality of laser emitters 160 are connected to the base 110 and sequentially arranged along a preset direction;
the mounting frame 140 is rotatably connected to the base 110, the mounting frame 140 is parallel to the preset direction relative to the rotation axis of the base 110, and the plurality of photo resistors 170 are connected to the mounting frame 140 and are sequentially arranged along the preset direction; each laser emitter 160 corresponds to one photo resistor 170, and each laser emitter 160 is used for emitting light to the corresponding photo resistor 170; the mounting frame 140 is configured to rotate relative to the base 110 under an external force, and has at least a first position (not shown) and a second position (shown in fig. 1); when the mounting frame 140 is at the first position, the mounting frame 140 is received in the base 110; when the mounting block 140 is in the second position, each of the photo-resistors 170 on the mounting block 140 is aligned with a corresponding laser emitter 160;
the limiting member 150 is connected to the base 110 and the mounting block 140, and the limiting member 150 is used for limiting the rotation of the mounting block 140 relative to the base 110;
the buzzer 130, the plurality of laser emitters 160 and the plurality of photoresistors 170 are electrically connected to the controller 120.
The working principle of the laser electronic organ 100 is as follows:
referring to fig. 1 to 5, the photo resistors 170 of the laser electronic organ 100 are all connected to the mounting frame 140, and the mounting frame 140 is rotatably connected to the base 110, so that the mounting frame 140 can be changed in position in the first position or the second position by rotating the mounting frame 140, and the laser electronic organ 100 can be in a use state and a storage state; when the laser electronic organ 100 is in a use state, the limiting member 150 can limit the rotation of the mounting block 140 relative to the base 110, so that each of the photo-resistors 170 connected to the mounting block 140 can be kept in a state of being aligned with the corresponding laser emitter 160; so that each photo-resistor 170 can receive the light emitted from the corresponding laser emitter 160; that is, when the laser electronic organ 100 is in use, each laser emitter 160 is configured to emit light to the corresponding photo resistor 170, and each photo resistor 170 is configured to receive the light emitted by the corresponding laser emitter 160;
therefore, when the light emitted from each laser emitter 160 to the corresponding photo resistor 170 is blocked, the photo resistor 170 transmits a corresponding signal to the controller 120, and by pre-mastering a corresponding program in the controller 120, the controller 120 controls the buzzer 130 to emit a corresponding scale when the light emitted from each laser emitter 160 to the corresponding photo resistor 170 is blocked; and then can be through blocking one or more of laser emitter 160 to the light that the corresponding light dependent resistor 170 sent, alright transmit corresponding signal to controller 120, and then can send one or more musical scales through controller 120 control buzzer 130, and then when the light that the light dependent resistor 170 sent is blocked by the rhythm, controller 120 alright control buzzer 130 to send out the music that has the rhythm. In addition, the tone emitted by the controller 120 can be preset, and the scale corresponding to each photoresistor 170 can be preset in the program recorded by the controller 120.
When the laser electronic organ 100 is in the storage state, the mounting frame 140 is stored in the base 110, so that the volume of the laser electronic organ 100 can be reduced in such a way; therefore, the laser electronic organ 100 has a simple structure, a small volume, portability and low manufacturing cost.
It should be noted that, first, the buzzer 130, the plurality of laser emitters 160 and the plurality of photo resistors 170 are all electrically connected to the controller 120, and the buzzer 130, the controller 120, the plurality of laser emitters 160 and the plurality of photo resistors 170 may all adopt the structure in the prior art, and the laser electronic organ 100 is electrically connected as shown in fig. 6.
Second, the light emitted from the laser emitter 160 to the corresponding photo resistor 170 may be blocked by a finger or other object. And when the mode of the light emitted to the corresponding photoresistor 170 through the finger blocking section laser emitter 160, the operation of the entity key can be simulated, thereby bringing more novel experience to the user.
In addition, in the present embodiment, the number of the laser emitters 160 and the number of the photo resistors 170 may be seven; in other embodiments of the present invention, the operation of the device can be performed according to the use requirement. The number of laser emitters 160 and photo resistors 170 is adjusted.
Further, in the present embodiment, when the mounting bracket 140 is provided, the mounting bracket 140 includes a first link 141, a second link 142, and a loading lever 143; the first connecting rod 141 and the second connecting rod 142 are distributed on two sides of the base 110 along the preset direction, one end of each of the first connecting rod 141 and the second connecting rod 142 is rotatably connected with the base 110, and two ends of the loading rod 143 extending along the preset direction are respectively connected with the other end of each of the first connecting rod 141 and the second connecting rod 142; a plurality of photo-resistors 170 are connected to the loading rod 143.
In order to rotatably connect the mounting frame 140 to the base 110, the base 110 has an L-shaped groove 111 formed on an outer circumferential surface thereof, and the L-shaped groove 111 is adapted to cooperate with the mounting frame 140 at the first position.
Further, to limit the rotation of the mounting frame 140 relative to the base 110, the limiting member 150 includes a limiting rod 151, a sliding block 152, and a locking stud 153; along the preset direction, one side of the base 110 is provided with a T-shaped groove 112, and the T-shaped groove 112 extends along the direction vertical to the preset direction; the sliding block 152 is slidably arranged in the T-shaped groove 112; two ends of the limiting rod 151 are respectively rotatably connected with the first connecting rod 141 and the sliding block 152;
the locking stud 153 is in threaded connection with the slider 152, and the locking stud 153 is used for rotating relative to the slider 152 under the action of external force so as to abut against the inner wall of the T-shaped groove 112, or so that the slider 152 abuts against the inner wall of the T-shaped groove 112.
Therefore, when the mounting frame 140 rotates relative to the base 110 under the action of external force, the limiting rod 151 can be driven to move relative to the base 110, and then the sliding block 152 is driven to slide relative to the T-shaped groove 112, and when the mounting frame 140 moves to the second position, the locking stud 153 can be rotated to abut against the inner wall of the T-shaped groove 112 through the locking stud 153, so that the sliding block 152 is limited to slide relative to the T-shaped groove 112, and the movement of the mounting frame 140 is limited; in other embodiments of the present invention, the sliding block 152 may be abutted against the inner wall of the T-shaped groove 112 by rotating the locking stud 153, so as to limit the sliding block 152 to slide relative to the T-shaped groove 112, thereby limiting the movement of the mounting frame 140.
Further, referring to fig. 1 to 5, in the present embodiment, along the predetermined direction, the first connecting rod 141 and the limiting rod 151 are located at the same side of the base 110. In order to avoid the interference between the lock stud 153 protruding from the limiting member 150 and the movement of the mounting frame 140, the first link 141 is provided with an abdicating groove 144 facing the side of the base 110; when the mounting bracket 140 is in the first position, the lock stud 153 is located within the relief groove 144. And the length of the relief groove 144 is greater than the diameter of the lock stud 153.
Moreover, in order to avoid the interference between the movement of the limiting member 150 and the movement of the mounting frame 140, in the embodiment, the first connecting rod 141 is provided with a mounting groove 145 facing the side surface of the base 110; the connection part of the limiting rod 151 and the first connecting rod 141 is positioned in the mounting groove 145; the abdicating groove 144 is positioned at the bottom of the mounting groove 145; when the mounting bracket 140 is at the first position, the limiting rod 151 is located in the mounting groove 145. Also, the length of the mounting groove 145 is greater than that of the first link 141.
It should be noted that, referring to fig. 1 to fig. 5, in the present embodiment, a portion of the slider 152 is located in the T-shaped groove 112, and the rest is located outside the T-shaped groove 112; the part of the sliding block 152 positioned in the T-shaped groove 112 is used for being in sliding fit with the T-shaped groove 112 and is used for being abutted against the inner wall of the T-shaped groove 112 under the action of the locking stud 153, and the part of the sliding block 152 positioned outside the T-shaped groove 112 can be matched with the mounting groove 145.
Further, referring to fig. 1 to 5, in the present embodiment, the laser electronic organ 100 further includes a movable frame 180; the base 110 has a first receiving slot 113 and a second receiving slot 114; the controller 120 and the buzzer 130 are accommodated in the first accommodation groove 113;
the second receiving groove 114 extends along a predetermined direction; the movable frame 180 is rotatably disposed in the second receiving groove 114, and an axis of the movable frame 180 rotating relative to the second receiving groove 114 is parallel to the predetermined direction.
Therefore, by such an arrangement, the angles of the light beams of the plurality of laser emitters 160 connected to the movable frame 180 can be adjusted by the rotation of the movable frame 180 relative to the second receiving groove 114, and the angles of the light beams of the plurality of laser emitters 160 on the movable frame 180 can be adapted by the rotation of the mounting frame 140 relative to the base 110 because the mounting frame 140 is rotatably connected with the base 110; that is, the second position of the mount block 140 of the laser electronic organ 100 can be adjusted by such an arrangement.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A laser electronic organ is characterized in that: the laser electronic organ comprises a base, a controller, a buzzer, a mounting rack, a plurality of laser transmitters and a plurality of photoresistors;
the controller and the buzzer are both connected with the base; the plurality of laser transmitters are connected with the base and are sequentially arranged along a preset direction; the mounting frame is connected with the base, and the plurality of photoresistors are connected with the mounting frame and are sequentially arranged along the preset direction; each laser emitter corresponds to one photoresistor and is used for emitting light rays to the corresponding photoresistor;
the buzzer, the laser transmitters and the photoresistors are all electrically connected with the controller.
2. The laser electronic organ according to claim 1, characterized in that:
the laser electronic organ also comprises a limiting piece;
the mounting frame is rotatably connected to the base, is used for rotating relative to the base under the action of external force and at least comprises a first position and a second position; when the mounting rack is in the first position, the mounting rack is received in the base; when the mounting rack is at the second position, each photoresistor on the mounting rack is right opposite to the corresponding laser emitter;
the limiting part is connected with the base and the mounting rack, and the limiting part is used for limiting the rotation of the mounting rack relative to the base.
3. The laser electronic organ according to claim 2, characterized in that:
the mounting rack comprises a first connecting rod, a second connecting rod and a loading rod;
the first connecting rod and the second connecting rod are distributed on two sides of the base along the preset direction, one ends of the first connecting rod and the second connecting rod are rotatably connected with the base, and two ends of the loading rod extending along the preset direction are respectively connected with the other ends of the first connecting rod and the second connecting rod;
the plurality of photoresistors are all connected to the loading rod.
4. The laser electronic organ according to claim 2, characterized in that:
the outer peripheral surface of the base is provided with an L-shaped groove, and the L-shaped groove is used for being matched with the mounting rack at the first position.
5. The laser electronic organ according to claim 3, characterized in that:
the limiting piece comprises a limiting rod, a sliding block and a locking stud;
along the preset direction, a T-shaped groove is formed in one side of the base and extends along the direction perpendicular to the preset direction;
the sliding block is slidably arranged in the T-shaped groove; along the preset direction, the first connecting rod and the limiting rod are positioned on the same side of the base, and two ends of the limiting rod are respectively and rotatably connected with the first connecting rod and the sliding block;
the locking double-screw bolt with slider threaded connection, just the locking double-screw bolt be used for under the effect of external force for the slider rotates, with the inner wall butt in T type groove, or make the slider with the inner wall butt in T type groove.
6. The laser electronic organ according to claim 5, characterized in that:
the side surface of the first connecting rod facing the base is provided with a abdicating groove;
when the mounting bracket is in when the first position, the locking stud is located in the abdicating groove.
7. The laser electronic organ according to claim 6, characterized in that:
the length of the abdicating groove is larger than the diameter of the locking stud.
8. The laser electronic organ according to claim 6, characterized in that:
the side surface of the first connecting rod facing the base is provided with a mounting groove;
the joint of the limiting rod and the first connecting rod is positioned in the mounting groove; the abdicating groove is positioned at the bottom of the mounting groove;
when the mounting bracket is in the first position, the limiting rod is located in the mounting groove.
9. The laser electronic organ according to claim 8, wherein:
the length of the mounting groove is greater than that of the first connecting rod.
10. A laser electronic organ according to any one of claims 1-9, characterized in that:
the laser electronic organ also comprises a movable frame, and the plurality of laser transmitters are connected with the movable frame;
the base is provided with a first accommodating groove and a second accommodating groove;
the controller and the buzzer are both contained in the first containing groove;
the second accommodating groove extends along the preset direction; the movable frame is rotatably arranged in the second accommodating groove, and the axis of the movable frame, which rotates relative to the second accommodating groove, is parallel to the preset direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385808.0U CN217655662U (en) | 2021-12-29 | 2021-12-29 | Laser electronic organ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385808.0U CN217655662U (en) | 2021-12-29 | 2021-12-29 | Laser electronic organ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217655662U true CN217655662U (en) | 2022-10-25 |
Family
ID=83659739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123385808.0U Active CN217655662U (en) | 2021-12-29 | 2021-12-29 | Laser electronic organ |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217655662U (en) |
-
2021
- 2021-12-29 CN CN202123385808.0U patent/CN217655662U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7346847B2 (en) | Power tool control system user interface | |
| US7778796B2 (en) | Miter saw for displaying angle of cutter blade cutting workpiece | |
| US8004664B2 (en) | Power tool control system | |
| US20060111809A1 (en) | Graphical user interface | |
| JP4065035B2 (en) | 3D cursor position setting device | |
| CN100541123C (en) | The twin shaft monomotor platform adjustment system that is used for the light beam projecting device | |
| EP3373107A1 (en) | Electronic device with rotary input | |
| CN217655662U (en) | Laser electronic organ | |
| CA2808781A1 (en) | An apparatus for pointing spatial coordinates, comprising a moveable hand-held probe and a portable base unit, and a related method | |
| JP2006015574A (en) | Bench circular saw | |
| US20060101961A1 (en) | Power tool control system | |
| US20060116787A1 (en) | Power tool control system | |
| JP2006015576A (en) | Bench cutter | |
| JP2006015575A (en) | Bench cutter | |
| US20100165559A1 (en) | Keyboard | |
| JP2006015578A (en) | Bench circular saw | |
| JP2019053107A (en) | Keyboard device | |
| CN209841701U (en) | Physical examination instrument | |
| US5533414A (en) | Coupling device for coupling an indicator needle to an actuating unit in a pressure gauge | |
| US20020190954A1 (en) | Trackball | |
| EP4006489A1 (en) | Target and plumbing system for transferring a point of interest on a jobsite surface | |
| CN218636595U (en) | Multidirectional input device, handle for game machine, and game machine | |
| CN215222323U (en) | Cloud platform subassembly and camera | |
| TW392123B (en) | Computer joystick having two optical sensors for generating vector signals | |
| CN218450394U (en) | Sound producing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |