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How Does Industrial PC Touch Screen Work?

Author: sufeifei

Feb. 24, 2025

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How Does Industrial PC Touch Screen Work?

Common Inquiries About Industrial Monitors and Touch Screens

For those inquiring about the specifics of various Sihovision offerings, 3D models of most Hope Industrial products can be accessed online in both STEP and SolidWorks formats.

Sihovision products have a global presence, catering to diverse industries with an unwavering commitment to quality. Our mission is to furnish our clients with superior and high-value products. Together, we can cultivate a brighter future.

Product blueprints are accessible on each product page and can also be found collectively in the documentation download section of our support webpage.

While some assembly may be required for components of a Hope Industrial workstation, configurations can often be ordered pre-assembled for those prioritizing speed in setup.

For additional details, refer to this article or connect with our sales team.

In instances where users desire to operate multiple PCs through a single workstation, they can switch between systems as required. For setups solely involving video and USB peripherals, most readily available KVM switches, typically utilized in IT server rooms, will suffice.

However, Hope Industrial USB touch screens are incompatible with most KVM switches due to differences in USB signal types. To facilitate touch screen switching, a KVM switch specifically tailored for touch screens is necessary; examples can be found within this article.

The VESA mounting standard, established by the Video Electronics Standards Association, is endorsed by the majority of flat panel display manufacturers. This standard specifies four M4 screws positioned in a square configuration with a spacing of 100mm on each side.

This versatile mounting setup can be utilized to attach either a monitor to a stand or to secure devices such as small PCs to the back of a display.

All Hope Universal Mount Monitors are designed with a universal 100mm VESA mount pattern. Additionally, Hope Panel Mount Displays come equipped with either an integrated VESA pattern or an optional adapter plate that accommodates this pattern.

All standard video formats and connector types are supported by Hope Industrial displays. Depending on the model, connector types may be supported natively or via zero-loss adapters and converters, all of which are available from Hope Industrial.

Hope Industrial 19.5" and 23.8" displays feature DVI-I and DisplayPort connectors as standard. For other display sizes, native connectors include VGA and DVI-I or DVI-D options, with DVI-I capable of handling both digital and analog signals.

  • HDMI (including all versions and connectors) - fully supported via DVI to HDMI adapters (micro, mini, or standard).
  • DisplayPort (including all versions and connectors)
    • 19.5" and 23.8" displays - natively supported (DisplayPort mini using an adapter).
    • Other display sizes - fully supported utilizing DisplayPort (mini, standard) to DVI converters.
  • VGA Video (HD-15)
    • 19.5" and 23.8" displays - fully supported with an HD-15 to DVI-I adapter.
    • Other display sizes - natively supported.
  • Component Video (3, 4, or 5-wire) - fully supported using RCA/BNC to HD-15 adapters and respective converters. Compatibility with various component video formats may vary by model; consult product specifications or reach out to our support team for detailed compatibility guidelines.
  • Composite Video - accessible via Composite to VGA converters and associated adapters.

Keep in mind that compatibility is contingent both on the physical connector as well as the format of the video signal. For additional inquiries on video source or PC compatibility, please get in touch with our support team.

Indeed, Hope Industrial touch screens utilize either Resistive or Projected Capacitive (PCAP) technology, with both variants compatible with styluses, given certain conditions.

Hope Industrial's Resistive Touch Screens are pressure-sensitive, thereby functioning with any stylus or object capable of applying pressure.

Our multi-touch PCAP versions leverage technology akin to that used in standard smartphones and are compatible with capacitive styluses. Notably, Hope Industrial provides a capacitive stylus specifically designed for industrial settings (part number: PD-STYLUS-1).

For Linux-based operating systems, support is available through both native drivers and driver-less methods utilizing the HID device compatibility of our touch screens. A comprehensive overview of these methods is available on our blog.

Our support team is also available for specifics pertinent to your operational environment and applications.

Hope Industrial's Multi-Touch PCAP models come pre-calibrated from the factory, eliminating the need for calibration under normal usage. These models typically do not necessitate drivers for most operating systems.

Similarly, the Resistive Touch models are factory pre-calibrated, though users retain the option to recalibrate after downloading the appropriate driver package. Calibration tends to remain stable over extended periods, but it may require re-calibration over time or upon installation of new drivers.

Yes, our touch screen drivers support multiple displays connected to a single PC, whether in mirroring mode (duplicating the same desktop) or extended desktop (spanning the desktop across multiple displays).

Our Windows drivers enable independent calibration of each touch screen, whether connected via USB or Serial to the PC. Following configuration, the cursor will track your finger across all connected touch screens. For assistance with the setup or more information, please feel free to reach out to our support team.

Connecting multiple computers to a single touch screen necessitates a KVM switch designed specifically for USB touch screens, as standard mouse-oriented KVM switches will generally not work with Hope Industrial devices.

Further details regarding certified KVM switches for use with our USB touch screens can be found in our blog posts.

Yes, Hope Industrial touch screens utilize either Resistive or Projected Capacitive technology and both technologies are operable while wearing gloves with specific considerations.

Hope Industrial Resistive Touch Screens detect pressure; as such, they are compatible with any glove style or thickness, enabling functionality even when gloved.

Our PCAP models can work with thin gloves or a capacitive stylus. Gloves marketed as compatible with smartphones (commonly utilizing PCAP technology) are also effective with Hope Industrial displays.

Hope Industrial products are meticulously crafted from materials chosen for their resilience against corrosive chemicals and gases prevalent in industrial settings. Resistance to any chemical is influenced not only by the materials used, but also by chemical concentration, exposure duration, and surrounding temperature.

An overview chart detailing the exterior materials of Hope Industrial products, along with the tolerance levels for common chemicals, is available to assist in evaluating product suitability for your environment.

If a chemical present in your environment is not listed or if you need more information, please reach out for precise guidance from our engineering team.

All Hope Industrial touch screens are recognized as USB HID devices by most operating systems, often functioning immediately upon connection without requiring driver installations.

For Hope Industrial Resistive Touch models, drivers are necessary for calibration and advanced functionalities like Hold-to-Right-Click. Our support section offers drivers compatible with various operating systems.

On the other hand, the more advanced features of our Hope Industrial PCAP Touch models are governed by the touchscreen functionalities embedded within the host operating system. Windows, for example, presents a broad range of touchscreen capabilities including multi-touch gestures that align perfectly with Hope Industrial PCAP models. An optional Windows driver available in our support section can unlock additional features like Single Touch mode, Edge acceleration, Screen Clean mode, and Untouch timeout.

Indeed, both Hope Industrial monitors and touch screens are compatible with ThinManager software. Our clients have successfully employed our touch screens alongside ThinManager for over 18 years, with technical assistance available on the ThinManager website. For detailed instructions, refer to the queries on "How do I calibrate touch screens" and "What touch screen module should I use?".

Our support team can also provide further assistance as needed.

Approximately 50% of the heat generated by a Hope Panel Mount Monitor dissipates from the front of the display. To estimate the heat load produced inside an enclosure by a Hope Panel Mount Monitor, take the monitor's typical power consumption and multiply it by 50%.

We have conducted tests on several of our Panel Mount Monitors to ascertain the exact percentage of heat transmitted from the back of the monitor into an enclosure. Below are the specified percentages of heat load resulting from the monitors we evaluated:

  • 12" Panel Mount Monitors - 53% heat load transmission
  • 19" Panel Mount Monitors - 51% heat load transmission
  • 23" Panel Mount Monitors - 44% heat load transmission

For detailed reports, please connect with our support team.

Exploring Touchscreen Technology in Depth

Touchscreen technology is widely recognized for its applications in electronic visual displays. Today, this technology can be found across various platforms, from computers and smartphones to bank ATMs, information kiosks, digital menus, and public transportation ticket machines.

With these diverse applications, it's not surprising that several types of touchscreen technologies exist, enabling screens to detect human touch. Below, we delve into the intricacies of these technologies.

Overview of Touch Panel Technology

What exactly is touch panel technology? Commonly integrated with touch panel PCs, this technology allows users to interact with a computer or digital device without the need for keyboard or mouse inputs. Instead, users can control the device by simply tapping the screen with one or more fingers or using a designated stylus.

To put it more succinctly, touchscreens are displays that enable direct interaction through touch.

As touchscreens have become a staple in daily life, you might wonder about the mechanics behind touch panel technology. Let's explore the technicalities, starting with the composition of a touchscreen. A touchscreen is essentially a combination of both an input device (the touch panel) and an output device (the visual display), usually situated atop a digital display (like an LCD or OLED screen).

On the screen, users can directly engage with their systems by touching it, thus facilitating interaction with what's being presented visually. The interaction can be as straightforward as ordering a meal from a digital menu or as complex as navigating a map for directions in a shopping mall.

Currently, there are six major categories of touchscreen technologies employed to detect touch actions:

If you're looking to know more about Industrial PC Touch Screen, don't hesitate to contact us for expert advice!

  1. Resistive Film

  2. Surface Capacitive

  3. Projected Capacitive

  4. Surface Acoustic Wave (SAW)

  5. Optical Imaging

  6. Infrared

Resistive Film Technology

Resistive film is the predominant technology for touch detection. It operates on the principle of pressure application to the screen.

How does it work in terms of pressure detection? Resistive film touch panels comprise two vital components: a glass panel and a film screen, both coated with a metallic layer and separated by a small gap. Pressure from a user's touch causes these two layers to come in contact, altering the voltage and thereby sensing the location of the touch on the screen.

Advantages of Resistive Film:

  • Cost-effective solution
  • Functional even in wet conditions
  • Single-point touch detection
  • Commonly utilized in retail environments for digital signatures while completing transactions

Surface Capacitive Technology

This touch technology is generally implemented in larger display screens. It operates based on reactions to the electrical current present on the surface of the screen.

The structure consists of a transparent electrode layer placed above a glass panel and encased in an outer protective layer. Electrode sensors located in the four corners detect changes in capacitance caused by a user's touch.

Advantages of Surface Capacitive:

  • Excellent resistance against spills, fingerprints, and dust
  • Highly durable and scratch-resistant

Projected Capacitive Technology

Projected capacitive technology often features in smaller screens such as those of mobile phones. This type detects touch via changes in electrical charges across the screen.

The technology includes a glass sheet layered with embedded transparent electrodes and an integrated circuit chip, generating a three-dimensional electrostatic field to identify touch points.

Advantages of Projected Capacitive:

  • Supports multi-touch functionality
  • Offers rapid response time and high precision
  • Predominantly found in smartphones, tablets, and GPS devices

Surface Acoustic Wave (SAW) Technology

SAW technology was designed to overcome the shortcomings associated with resistive film's low light transmission.

SAW utilizes a series of transducers and receivers positioned along the edges of the glass plate of the touch panel. This setup crafts an invisible grid of ultrasonic surface waves on top of the panel. When a finger or stylus touches the screen, the wave transmission changes, indicating the precise location of the touch.

Benefits of SAW Technology:

  • Compatible with fingers, gloved hands, or soft-tip styluses
  • User-friendly
  • Resistant to scratches

Infrared (IR) Technology

Infrared touchscreen panels create an invisible grid of infrared beams across the screen and detect touch points by noting where the grid is disrupted.

This technology does not overlay an additional screen onto the display but rather leverages IR emitters and receivers to determine touch points via interruptions in the light beam.

Advantages of Infrared Technology:

  • Supports multi-touch capabilities
  • Scratch-resistant
  • Ideal for dimly lit indoor environments

Optical Imaging Technology

A modern approach, optical imaging relies on image sensors placed around the screen's perimeter to emit infrared light. Touch points are identified through disruptions caused when a finger or stylus contacts the screen.

Advantages of Optical Imaging:

  • Highly adaptable and capable of multi-touch use
  • Supports a universal range of input methods

Reach Out to AOPEN

AOPEN specializes in the supply and manufacture of a broad spectrum of touch panel PCs. Contact us today at +31 (0)73 646, or reach out via email, and we'll get back to you promptly.

Get in touch to discuss your needs for a 7inch industrial android tablet pc. Our knowledgeable sales team is available to help you determine the optimal options for your requirements.

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