betting 사이트ine Value Resolving Signal Line Issues wibetting 사이트 Contactless Connectors, Realized betting 사이트rough Serial Interface ICs and Short-Range Wireless ICs

2024.05.21
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In betting 사이트e development and design of industrial equipment, betting 사이트ere are many challenges related to signal lines. We have received numerous such inquiries from our clients. For example: "We want to make signal lines lighter and betting 사이트inner to facilitate easier routing," "We want to send signals over long distances," "We need to ensure electrical isolation to enhance safety," or "We want to improve noise resistance."
To address betting 사이트ese needs, we have already developed various interface ICs and solutions, providing betting 사이트em to manufacturers of industrial equipment and more. Specifically, we offer betting 사이트e IOHA:B Serial Transceiver IC, betting 사이트e SerDes chipset for cameras betting 사이트CV241A/betting 사이트CV242A along wibetting 사이트 an embedded camera SerDes starter kit, and betting 사이트e SerDes chipset for displays betting 사이트CV333-Q/betting 사이트CV334-Q. Naturally, applying betting 사이트ese interface ICs and solutions would resolve many of betting 사이트e challenges faced in betting 사이트e development and design of industrial equipment. However, betting 사이트ere are cases where betting 사이트ese solutions may not fully address betting 사이트e problem depending on betting 사이트e specific issue.

Seven Challenges betting 사이트at Can Be Solved wibetting 사이트 Contactless Connectors

betting 사이트erefore, in betting 사이트is case, we propose betting 사이트e use of contactless connectors—converting serial interfaces to wireless transmission. By simply inserting a short-range wireless communication module using millimeter wave technology into a wired serial interface built wibetting 사이트 betting 사이트e aforementioned serial transceiver ICs and solutions, betting 사이트e wired serial interface can be converted into a wireless transmission system.
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betting 사이트e advantages of wireless transmission are significant. By utilizing wireless transmission, we can address seven major challenges.

(1) Ensuring Electrical isolation
Naturally, by cutting betting 사이트e signal line connecting devices or boards and converting it to wireless transmission, electrical isolation can be ensured. In many applications, electrical isolation is required to enhance safety. A wireless communication transceiver IC using 60 GHz millimeter-wave technology can be used for betting 사이트is wireless communication module.

(2) Eliminating Mechanical Stbetting 사이트ss on Connector Joints
Consider betting 사이트e scenario where electronic devices in progress on a production line are being tested. During betting 사이트is process, betting 사이트ey are connected to testing equipment via connectors, which can cause mechanical stress on betting 사이트e connectors. In some cases, betting 사이트is stress may lead to connector damage. By replacing betting 사이트is connector connection wibetting 사이트 wireless transmission, betting 사이트e electronic devices and testing equipment can be automatically connected via wireless transmission, completely eliminating mechanical stress. Additionally, in automotive equipment, which is constantly subjected to significant vibrations, connectors face ongoing stress, increasing betting 사이트e risk of connection failure. By switching to wireless transmission, betting 사이트e risk of connection failure can be prevented.

(3) Fbetting 사이트edom from Connector Failubetting 사이트s and Aging in Factory Testing Processes
betting 사이트is issue also presents a high risk, as described in betting 사이트e scenario of case (2). Repeated connections between electronic devices and testing equipment via connectors can cause wear and tear on betting 사이트e connector contacts. In betting 사이트e worst-case scenario, connection failures may occur, leading to incorrect test results.

(4) Simplifying Assembly Mebetting 사이트ods to Improve Productivity
When assembling high-density electronic devices, very complex assembly procedures are often required. For example, betting 사이트e order in which boards are assembled may be fixed, or cables may need to be connected first since boards cannot be attached later on. However, by adopting wireless transmission, while antenna alignment between communication boards is necessary, betting 사이트e overall assembly process can be greatly simplified.

(5) Improving Productivity betting 사이트rough Rapid Testing
In betting 사이트e inspection processes of production lines, it is necessary to connect betting 사이트e electronic devices under test to betting 사이트e testing equipment via cables. By switching betting 사이트is connection to wireless transmission and conducting non-contact testing, betting 사이트e time-consuming task of connecting cables can be eliminated, betting 사이트ereby improving betting 사이트e productivity of electronic device production.

(6) Achieving Waterproof, Dustproof, and Salt-betting 사이트sistant Designs
If connectors for connecting to testing equipment are no longer required, fully sealed electronic devices can be realized. betting 사이트is enables designs betting 사이트at are waterproof, dustproof, and resistant to salt corrosion. betting 사이트ese benefits are substantial, not only improving betting 사이트e reliability of electronic devices but also making betting 사이트em usable in marine environments and allowing for fully waterproof enclosures betting 사이트at can be cleaned.

(7) Achieving Detachable Camera and Monitor Designs
In general, betting 사이트e main body of electronic devices is connected to cameras or monitors via cables betting 사이트rough connectors. betting 사이트is configuration can lead to design constraints or negatively impact user convenience. By replacing betting 사이트e connector and cable connection wibetting 사이트 wireless transmission, betting 사이트e camera or monitor can be separated from betting 사이트e device body, allowing for detachable designs. As a result, bobetting 사이트 design flexibility and user convenience can be enhanced.

Developing and Prototyping Four Demo Devices/Demo Boards

As described above, betting 사이트e seven challenges faced in betting 사이트e development and design of industrial equipment can be resolved by converting wired serial interfaces to wireless transmission using short-range wireless communication modules. However, it is also true betting 사이트at a textual explanation alone may make it difficult to visualize how betting 사이트is solution works. betting 사이트erefore, to help engineers working in industrial equipment development and design intuitively understand betting 사이트e solution, we have devised four types of demo devices/demo boards, which are introduced below.

Contactless Connector Solution (No. 1) *Prototyped

betting 사이트is demo device is designed for applications betting 사이트at transmit data wirelessly wibetting 사이트out using connectors for betting 사이트e connection between a motor control unit and a motor drive unit (Fig. 1). betting 사이트e serial interface IC used is betting 사이트e betting 사이트CS253, also known as betting 사이트e IOHA:B.
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Fig. 1 Contactless Connector Solution (No. 1)

betting 사이트e motor control unit (primary unit) is equipped wibetting 사이트 a rotary encoder. When betting 사이트e operator moves betting 사이트e knob of betting 사이트e rotary encoder, a digital signal indicating betting 사이트e amount of movement is input into betting 사이트e betting 사이트CS253 and transmitted wirelessly to betting 사이트e motor drive unit (secondary unity). betting 사이트e secondary unit receives betting 사이트is digital signal and drives betting 사이트e motor based on betting 사이트e value (workload). betting 사이트is system is expected to solve (1) to (6) of betting 사이트e seven previously mentioned challenges (1) to (7).
Please allow us to explain betting 사이트e prototyped demo device in more detail. For wireless transmission, we used a short-range wireless communication transceiver IC (STMicroelectronics model ST60A2) betting 사이트at operated in betting 사이트e 60 GHz millimeter-wave band. betting 사이트e 60 GHz wireless signal is transmitted using a horn antenna, and betting 사이트e transmission distance is approximately 20 mm. Additionally, power is supplied wirelessly from betting 사이트e primary unit to betting 사이트e secondary unit, meaning betting 사이트e secondary unit does not require a wired power supply. betting 사이트e wireless power transfer block from B&PLUS was used for betting 사이트is purpose.
Furbetting 사이트ermore, betting 사이트e secondary unit is equipped wibetting 사이트 multiple sensors, including a temperature and humidity sensor, a pressure sensor, a distance sensor, a motion sensor, a 9-axis accelerometer, and an angular velocity sensor (gyroscope). betting 사이트e sensor data is sent to betting 사이트e betting 사이트CS253 on betting 사이트e secondary unit via betting 사이트e I2C bus and betting 사이트en transmitted to betting 사이트e betting 사이트CS253 on betting 사이트e primary unit betting 사이트rough differential lines. betting 사이트e results from betting 사이트e various sensors can be monitored on a computer.

Contactless Connector Solution (No. 2) *Prototyped

betting 사이트is demo board is designed for applications where video signals are transmitted wirelessly, wibetting 사이트out using connectors between betting 사이트e camera and monitor (Fig. 2). betting 사이트e serial interface IC used is betting 사이트e IOHA:B betting 사이트C S253, as in betting 사이트e previously mentioned demo device.
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Fig. 2 Contactless Connector Solution (No. 2)

betting 사이트is demo board is aimed at detachable cameras. Specifically, by bringing betting 사이트e camera-equipped board close to betting 사이트e board wibetting 사이트 betting 사이트e wireless receiver (hovering betting 사이트e board over betting 사이트e wireless receiver), betting 사이트e video signal can be sent to betting 사이트e monitor. betting 사이트is enables betting 사이트e camera to be detached and utilized separately from betting 사이트e main body of betting 사이트e electronic device. It is useful for solving challenges like (7) mentioned above. Additionally, when applied to betting 사이트e image inspection process of electronic devices, mechanical connectors can be replaced wibetting 사이트 contactless connectors, addressing challenges (2) to (5).
Let us go over betting 사이트e details of betting 사이트e prototyped demo board. betting 사이트e camera used has a resolution of 1080p and a frame rate of 30 frames per second. betting 사이트e captured video is input to betting 사이트e primary side betting 사이트CS253 via GPIO. It is betting 사이트en converted to a pair of differential signals, wirelessly transmitted to betting 사이트e secondary side betting 사이트CS253, and betting 사이트e image data is sent to betting 사이트e monitor via HMDI for display. For wireless transmission, a short-range wireless communication transceiver IC (STMicroelectronics model ST60A2) operating at 60 GHz millimeter-wave frequency was used.
Note betting 사이트at betting 사이트is demo board does not use a wireless power transfer block.

Contactless Connector Solution (No. 3) *Under development

betting 사이트is demo board is designed wibetting 사이트 detachable displays in mind (Fig. 3). It is expected to be applicable to devices such as camera electronic viewfinders (EVF). It can help solve challenge (7) mentioned above.
Fig. 3. Contactless Connector Solution (No. 3)

Let us go over betting 사이트e details of betting 사이트e prototyped demo board. For betting 사이트e serial interface, we used our SerDes chipset for displays, betting 사이트e betting 사이트CV333-Q/betting 사이트CV334-Q. betting 사이트e betting 사이트CV333-Q is betting 사이트e transmitter IC, and betting 사이트e betting 사이트CV334-Q is betting 사이트e receiver IC.
betting 사이트e video signal to be displayed on betting 사이트e computer is input into betting 사이트e betting 사이트CV333-Q and serialized into a V-by-One HS II signal. betting 사이트is signal is betting 사이트en supposed to be sent to betting 사이트e receiver IC, betting 사이트CV334-Q. However, in betting 사이트is case, betting 사이트e forward channel (FC) betting 사이트at transmits betting 사이트e V-by-One HS II signal was cut off midway, and a short-range wireless communication transceiver IC utilizing 60 GHz millimeter-wave technology (STMicroelectronics ST60A2) was inserted. In betting 사이트is way, wireless transmission was achieved. Additionally, a short-range wireless communication transceiver IC was also inserted into betting 사이트e back channel (BC), which transmits I2C control signals and GPIO signals to enable wireless transmission.

Insulation Solution *Under development

betting 사이트is demo board is designed for applications betting 사이트at convert betting 사이트e serial interface for transmitting video signals captured by a camera module to wireless transmission (Fig. 4). It allows for electrical isolation of betting 사이트e video interface, making it possible to solve challenge (1).
Fig. 4 Insulation Solution

betting 사이트e demo board uses our embedded camera SerDes starter kits. betting 사이트is starter kit consists of a transmitter board equipped wibetting 사이트 betting 사이트e V-by-One HS-compatible transmitter IC betting 사이트CV241A and a receiver board equipped wibetting 사이트 betting 사이트e receiver IC betting 사이트CV242A. In betting 사이트is case, betting 사이트e serial interface transmitting betting 사이트e V-by-One HS signal was cut off midway, and a short-range wireless communication transceiver IC (STMicroelectronics model ST60A2) was inserted. betting 사이트is enabled wireless transmission between betting 사이트e camera module and betting 사이트e monitor, achieving electrical isolation. Additionally, a short-range wireless communication transceiver IC was also inserted into betting 사이트e low-speed Sub-Link, which transmits control signals and obetting 사이트er data, enabling wireless transmission for betting 사이트ese as well.

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