Transportation Industry

Transportation Industry

Transportation Industry

Canvys engineers custom display solutions designed to meet the harsh environmental requirements of the transportation industry.

Passenger Information Display (PID)/ CCTV Monitor Display Solution for Busses

Our team engineered a lightweight, aluminum case monitor for passenger information displays. This Canvys display solution is in use on busses since 2009. By keeping the solution intact throughout the years, the customer has avoided the need for costly re-certification in this heavily regulated arena. These monitors display passenger information from security CCTV feeds and are in high-traffic public environments. The displays feature a vandal-resistant, stylish, robust, metal case with rounded edges required to protect customers. The unique design ensures the correct radius of these edges adheres to appropriate regulations. Due to the high traffic environment and the likelihood of vandalism, the protective screen is easily replaceable. One design feature is that a service engineer can easily replace the protective screen by removing only two screws, reducing the time required to replace the screen in case of damage.

The passenger information displays handle varying voltages and voltage spikes, which are common in these applications. The customized firmware allows instant switching between signals from different camera feeds without any blanking of the screen visible to the public.

EN45455 Approved Monitor for Railway Passenger Carriages

The solution for passenger train rolling stock had to meet the correct fire safety regulations and requirements, which entailed using specific materials. The unit's construction had to be sufficiently rigid to withstand extreme shock and vibration of the railway environment to ensure no damage to the internal components. The monitor was required to display both travel information and advertising material, which requires both image consistency when exposed to high ambient light and correct logo color accuracy required by advertising agencies. By using contrast-enhancing technology, the image quality met both these parameters. Our engineering team also designed the custom aluminum lightweight case with an anti-vandal protection screen, rigid chassis, and styled to complement the carriage interior design.

Driver Safety Monitors

The purpose of driver safety monitors is to provide train operators with uninterrupted images of train doors opening and closing to ensure passengers' safety on the railway platform.

The challenge for this solution was to manufacture a lightweight, milled aluminum case to fit into an existing small aperture. We sealed the chassis to meet IP68 rating. To address the wide temperature ranges of -20°C to +70°C, Canvys used unique components to ensure the monitor consumed the minimum amount of watts to maintain the unit's internal ambient temperature. The monitor had to be sunlight viewable for high ambient light in the cab and a dimming range down to 0.5cd/m² for deficient light/night-time use. The final solution uses an ambient light sensor to control the dimming of the unit. The long-life components meet stringent shock and vibration requirements and fire safety regulations.

The custom monitor required a small FPGA custom board, which allowed it to switch on and off in less than 30ms as the train entered or left the station. Since the monitor is a safety device, one of the requirements was to display real-time images without latency. The A/D card and image processing do not have a frame store, and rescaling and image processing are done in real-time.

For a monitor to replace rearview mirrors on trams, a similar set of parameters required a custom display solution engineered by our team. The challenge was to show a mirror image on the screen to replicate a conventional mirror. Due to safety regulations, the inversion of the image had to occur in real-time with no delay in the A/D card's frame buffer.

The Canvys team has been able to meet all the unique design requirements and safety regulations imposed by the transportation industry. Canvys is committed to delivering visual technology display solutions to the transportation market while exceeding expectations. These solutions help companies meet business objectives by boosting productivity, addressing security requirements, and controlling costs.

Posted on: 03. September 2020  |  by: Andrew Perez  |  District Sales Manager  |  Canvys – Visual Technology Solutions

Item Code: MML#US-019


 

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Canvys is an OEM/ODM manufacturer. In order to offer you customized display solutions at a competitive price, we have developed various platforms.

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However, for certain customer/application cases, these platforms are not suitable. You need unique display systems, which Canvys develops and produces as a full-customizing solution.

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