Optical potential device for joystick of gamepad

Abstract

The utility model discloses an optical potential device for a joystick of a gamepad, which comprises a joystick, a cross-shaped rocker arm mechanism and a photoelectric correlation module, a gradually-changed light-transmitting sheet is fixed at an adjacent rotating shaft end of the rocker arm mechanism, and the gradually-changed light-transmitting sheet is arranged between a transmitting end and a receiving end of the photoelectric correlation module. The rocker drives the rocker arm to enable the light-transmitting piece to rotate to control luminous flux, signals output by the receiving end are processed to judge the action of the rocker and are converted into displacement data, and the device is high in detection precision, good in stability and high in durability and can improve the operation performance of the gamepad and the game experience of players.

Description

Technical Field

[0001] This utility model relates to the field of game controller technology, and in particular to an optical potential device for a game controller joystick. Background Technology

[0002] In game controllers, the joystick is one of the key components for players to control the game, and the joystick potentiometer is responsible for accurately converting the joystick's movements into electrical signals, thereby controlling the characters or elements in the game. Traditional joystick potentiometers, such as carbon film potentiometers and Hall effect potentiometers, have certain shortcomings in terms of accuracy, stability, and durability. Carbon film potentiometers are prone to wear, leading to a decrease in accuracy; while Hall effect potentiometers offer high accuracy, they may be affected by interference in complex electromagnetic environments.

[0003] In recent years, optical potentiometers have gradually been applied in the field of game controllers as an emerging alternative. Current optical joystick potentiometers typically work by moving the joystick, causing a light-transmitting aperture or light-blocking part to change the intensity of light received by the photoelectric sensor, thus altering the resistance and enabling the potentiometer to function. However, this method of changing light intensity through a light-transmitting aperture or light-blocking part has significant limitations, resulting in poor precision. The specific reasons are as follows:

[0004] The discontinuity of changes in the structure of the light-transmitting aperture or light-blocking part: During the movement of the joystick, the state of light blocking or transmission by the light-transmitting aperture or light-blocking part changes in stages, rather than a continuous and smooth transition. This makes the changes in the intensity of light received by the receiving element discontinuous, resulting in abrupt changes that cannot accurately reflect the subtle movements of the joystick, thus affecting the accurate judgment of the joystick's displacement, speed, and precision.

[0005] Manufacturing process errors: It is difficult to guarantee high precision in the size, shape, and position of the light-transmitting aperture or light-shielding part during manufacturing. Even minor manufacturing errors can lead to inaccurate changes in light intensity during actual use, thus reducing the accuracy of the optical potentiometer. Furthermore, with increased use, these components may undergo slight deformation or wear, further exacerbating the decline in accuracy. Significant external interference: The relatively open structure of the light-transmitting aperture or light-shielding part makes it susceptible to interference from external environmental factors. For example, dust and debris may enter the light-transmitting aperture or adhere to the light-shielding part, affecting or blocking the normal transmission of light, causing abnormal changes in the light intensity received by the receiving element, thereby affecting the accuracy and stability of the potentiometer.

[0006] Therefore, it is of great significance to develop a high-precision optical potentiometer that can overcome the above problems and is more suitable for game controller joysticks. Utility Model Content

[0007] This invention aims to provide an optical potentiometer for a game controller joystick. Through a unique structural design and working principle, it achieves high-precision detection and accurate data conversion of joystick movements, thereby improving the operation performance of the game controller and the player's gaming experience, and solving the shortcomings of traditional joystick potentiometers and existing optical potentiometers in game controller applications.

[0008] The above-mentioned objective of this utility model is achieved through the following technical solution: An optical potential device for a game controller joystick, comprising a joystick, a rocker arm mechanism, and a photoelectric beam-through module. The joystick is connected to the rocker arm mechanism, which adopts a cross-shaped rocker arm mechanism. This structure can flexibly transmit the joystick's movement in multiple directions. Gradient light-transmitting sheets are fixed at both adjacent rotating shaft ends of the rocker arm mechanism. The gradient light-transmitting sheets are positioned between the transmitting and receiving ends of the photoelectric beam-through module, and are fan-shaped. The gradient light-transmitting sheets exhibit a gradual change in transparency from 0 to 1 or 1 to 0 from one end to the other, that is, a gradual transition from completely transparent to completely opaque. When the player operates the joystick, the joystick drives the rocker arm mechanism to rotate, and the rotation of the rocker arm mechanism causes the gradient light-transmitting sheets to rotate accordingly. As the gradient light-transmitting sheets rotate, the change in their light-transmitting area controls the light flux at the receiving end of the photoelectric beam-through module. The receiver outputs high and low level signals and time difference changes based on the changes in light flux. By analyzing and processing these signals, the displacement, rotation speed and accuracy of the joystick can be accurately determined and finally converted into joystick displacement data.

[0009] The photoelectric through-beam module is connected to a signal processing circuit, which is integrated on the main control circuit board of the game controller. The main function of the signal processing circuit is to process the high and low level signals and time difference changes output from the receiving end, converting them into joystick displacement data that can be recognized by the game controller's main control chip. The signal processing circuit includes an ADC conversion module with a precision of 10-bit, 12-bit, 14-bit, or higher. The precision of the ADC conversion module determines the accuracy of the displacement data from the optical potentiometer. For example, when the ADC conversion module has a precision of 12 bits, the output precision is 4096 levels; when the ADC conversion module has a precision of 14 bits, the output precision is 16384 levels, enabling a more refined reflection of the joystick's movement changes.

[0010] The gradient light-transmitting sheet is made of polymer material, and the gradient effect of the light-transmitting area is achieved through special processes such as photolithography and chemical etching during the manufacturing process. These special processes can precisely control the degree and accuracy of the gradient in the light-transmitting area, ensuring that the optical potentiometer can work stably in different environments and provide reliable detection data.

[0011] The rocker arm mechanism includes an X-axis rocker arm and a Y-axis rocker arm. The X-axis rocker arm has a Z-axis clearance channel in the middle and X-axis rotating shaft ends on both sides. Y-axis shaft holes are located on both sides of the Z-axis clearance channel. The rocker arm has a Y-axis shaft end, which is installed into the Y-axis shaft hole, allowing the rocker arm to swing in the X-axis direction. The Y-axis rocker arm has a Z-axis clearance opening for the rocker arm to pass through. Both ends of the Y-axis rocker arm have Y-axis rotating shaft ends coaxial with the Y-axis shaft ends on the rocker arm. The X-axis and Y-axis rotating shaft ends are mounted at support bayonets on the housing. The bottom of the rocker arm has an elastic telescopic mechanism for resetting. The rocker arm is connected to the rocker arm mechanism, ensuring that the rocker arm's movement is accurately and stably transmitted to the rocker arm mechanism, guaranteeing the accuracy of the optical potentiometer's detection of the rocker arm's movement.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. High-precision detection: Through high-precision control of light flux via a gradient light-transmitting sheet, combined with a cross-shaped rocker arm mechanism and signal processing circuit, the displacement, rotation speed, and accuracy of the joystick can be accurately detected. Compared with traditional joystick potentiometers and existing optical potentiometers, this greatly improves the accuracy of game controller operation, making players' operations in games more precise and enhancing the gaming experience.

[0014] 2. Good stability: The gradient light-transmitting sheet is made of special polymer materials and the light-transmitting area is gradually changed through advanced manufacturing process. This makes the optical potential device less susceptible to environmental factors (such as temperature, humidity, electromagnetic interference, external light, etc.) during long-term use, thus ensuring the stability and reliability of the detection data.

[0015] 3. High durability: Compared with easily worn carbon film potentiometers, this optical potentiometer does not have mechanical wear problems, which greatly extends its service life and reduces the maintenance cost and replacement frequency of game controllers. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is an exploded structural diagram of the present invention.

[0018] Figure 3 This is an exploded view of one side of the structure of the present invention encapsulated in the potentiometer housing.

[0019] Figure 4 This is an exploded structural diagram of the other side of the potentiometer housing containing this utility model.

[0020] Figure 5 This is a schematic diagram of the external structure of the present invention encapsulated in the potentiometer housing. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings.

[0022] like Figures 1 to 5 As shown, an optical potential device for a game controller joystick includes a joystick 1, a cross-arm mechanism 2, and a photoelectric beam-through module 3. The joystick 1 is connected to the cross-arm mechanism 2, which includes an X-axis joystick 201 and a Y-axis joystick 202. The X-axis joystick 201 has a Z-axis clearance channel 203 in the middle and X-axis pivot ends 204 on both sides. The Z-axis clearance channel 203 has Y-axis pivot holes 205 on both sides. The joystick 1 has a Y-axis pivot end 206, which is installed in the Y-axis pivot hole 205, so that the joystick 1 can swing in the X-axis direction. The Y-axis joystick 202 has a Z-axis clearance opening 207 for the joystick 1 to pass through, and Y-axis pivot ends 208 at both ends of the Y-axis joystick 202 are coaxial with the Y-axis pivot ends 206 on the joystick 1. In practical applications, the X-axis rotating shaft end 204 and the Y-axis rotating shaft end 208 are mounted on the support bayonet 401 on the potentiometer housing 4; the bottom of the rocker arm 1 is provided with an elastic telescopic mechanism 209 for resetting.

[0023] The two adjacent rotating shaft ends of the cross rocker arm mechanism 2 (Y-axis rotating shaft end 208 on either side of the Y-axis rocker arm 202 and X-axis rotating shaft end 204 on either side of the X-axis rocker arm 201) are each equipped with a gradient light-transmitting sheet 5 via a fixing frame. The gradient light-transmitting sheet 5 is fan-shaped and made of polymer material. The gradient light-transmitting sheet 5 has a gradient transparency of 0 to 1 or 1 to 0 from one end to the other, that is, it gradually transitions from completely transparent to completely opaque. The gradient light-transmitting sheet 5 is disposed between the emitting end 301 and the receiving end 302 of the photoelectric beam-transmitting module 3.

[0024] The photoelectric beam-through module 3 is connected to a signal processing circuit, which is integrated on the main control circuit board of the game controller. The signal processing circuit includes an ADC conversion module with a precision of 10-bit, 12-bit, or 14-bit.

[0025] Usage: When the player operates the game controller joystick 1, for example, when playing a shooting game, the joystick 1 is pushed to aim, and the action of the joystick 1 is transmitted to the cross-arm mechanism 2 through the transmission component.

[0026] The cross rocker arm mechanism 2 drives the gradient light-transmitting sheet 5 fixed at its rotating shaft end to rotate. As the gradient light-transmitting sheet 5 rotates, the change in the light-transmitting area causes the light flux reaching the receiving end 302 of the photoelectric beam-through module 3 to change. The receiving end 302 outputs high and low level signals and time difference change signals according to the change in light flux.

[0027] After receiving these signals, the signal processing circuit first performs preprocessing such as filtering and amplification to remove noise interference. Then, the analog signal is converted into a digital signal by the ADC conversion module, and the signal is converted into 16384 levels of digital data according to the set precision (such as 14-bit precision).

[0028] The processed digital data is converted into displacement data for joystick 1 and transmitted to the game controller's main control chip. Based on the received displacement data, the main control chip controls the character's viewpoint rotation or movement direction in the game. For example, in a racing game, the subtle movements of joystick 1 are precisely measured and converted into data by an optical potentiometer; the main control chip then uses this data to accurately control the car's steering angle and speed.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An optical potentiometer for a game controller joystick, characterized in that: It includes a rocker arm, a rocker mechanism, and a photoelectric beam-through module. The rocker arm is connected to the rocker mechanism. Gradient light-transmitting sheets are fixed to two adjacent rotating shaft ends of the rocker mechanism. The gradient light-transmitting sheets are disposed between the transmitting end and the receiving end of the photoelectric beam-through module.

2. The optical potential device for a game controller joystick according to claim 1, characterized in that: The gradient light-transmitting sheet is fan-shaped.

3. An optical potential device for a game controller joystick according to claim 1 or 2, characterized in that: The gradient transparent sheet has a gradient transparency of 0 to 1 or 1 to 0 from one end to the other, that is, it gradually transitions from completely transparent to completely opaque.

4. The optical potentiometer for a game controller joystick according to claim 1, characterized in that: The rocker arm mechanism is a cross-shaped rocker arm mechanism.

5. The optical potentiometer for a game controller joystick according to claim 1, characterized in that: The photoelectric beam module is connected to a signal processing circuit, which is integrated on the main control circuit board of the game controller.

6. An optical potentiometer for a game controller joystick according to claim 5, characterized in that: The signal processing circuit includes an ADC conversion module with a precision of 10 bits, 12 bits, or 14 bits.

7. The optical potentiometer for a game controller joystick according to claim 1, characterized in that: The gradient light-transmitting sheet is made of polymer material.

8. An optical potential device for a game controller joystick according to claim 1, characterized in that: The rocker arm mechanism includes an X-axis rocker arm and a Y-axis rocker arm. The X-axis rocker arm has a Z-axis clearance channel in the middle and X-axis rotating shaft ends on both sides. Y-axis shaft holes are provided on both sides of the Z-axis clearance channel. The rocker arm has a Y-axis shaft end and is installed in the Y-axis shaft hole, so that the rocker arm can swing in the X-axis direction. The Y-axis rocker arm has a Z-axis clearance opening for the rocker arm to pass through. Both ends of the Y-axis rocker arm have Y-axis rotating shaft ends that are coaxial with the Y-axis shaft ends on the rocker arm. The X-axis rotating shaft ends and Y-axis rotating shaft ends are installed in support slots on the housing. The bottom of the rocker arm has an elastic telescopic mechanism for resetting.

Images