Carmanah Improves Illuminated Road Signs
February 2, 2005... Carmanah Technologies Corporation (TSX Venture: CMH) is pleased to announce two new and technically enhanced LED (light-emitting diode) edge-lit roadway signs that will make night driving easier and safer in North America:
- Model R409 Edge-Lit LED Street-Name Sign
- Model R450 Edge-Lit LED Traffic Sign
Traffic agencies in 12 states have already installed Carmanahs next-generation LED-illuminated roadway signs. Customers include the cities of St. Charles (MO), Camarillo (CA), Broomfield (CO), and Tyler (TX).
These popular products integrate over 11 years of sign lighting expertise from our wholly-owned subsidiary, Carmanah Signs, into our successful line of roadway lighting products, said Art Aylesworth, CEO of Carmanah.
Carmanah Signs Inc. (CSI), formerly AVVA Light Corporation, has been manufacturing LED edge-lit illuminated signs since 1993 and has an installation base exceeding 50,000 units. Carmanahs road signs, developed and extensively tested over several years, incorporating the superior illumination characteristics And energy-saving advantages of CSIs renowned architectural and retail point-of-purchase signs.
Many traffic agencies are very receptive to LED technology, having recently benefited from the colorful conversion to LED traffic signals. This new technology is already saving them up to $1,000 annually per intersection, through reduced electricity costs and bulb replacements.
Carmenahs LED edge-lit technology brings similar benefits to internally illuminated street name and traffic signs. The signs offer an exposure clarity and uniform brightness that makes them easily readable and attractive. They enhance the streetscape and promote safer and more efficient traffic flow, particularly at Busy intersections and tourist areas. Additional advantages include:
- Green energy efficient technology - up to 90% less electricity consumption than fluorescent signs and 50% less than backlit signs with LED retrofitting.
- LED lifespan of 50,000 hours - up to 15 years of maintenance-free operation with no bulb or ballast replacements.
- Slim, lightweight and easy to install - as little as 1.38 inches thick with a built-in power supply.
- Highly durable and glass-free - manufactured of unbreakable LEDs mounted to a tough acrylic face.
Traffic safety trends, changing vehicle designs and an aging population are spurring a shift toward more sign illumination. This is particularly true for overhead signs, which receive only 10 percent of vehicle headlamp illumination compared to roadside signs.
Changes in headlight specifications reducing the amount of upward light are expected to reduce the retro-reflective illumination of overhead signs by one-third. simultaneously, the US population over 65 will rise from 13 to 20 percent in the next 15 years, meaning more drivers Needs better sign illumination and greater reaction times - the amount of light a driver needs to see at night doubles every 13 years after the age of 20.
For the reasons above, the US Federal Highway Administrations 2003 Manual on Uniform Traffic Control Devices (MUTCD) clearly recommends that overhead signs be illuminated unless an engineering study shows that it is not required.
Our entry into the road sign market is well-timed, said Aylesworth. Many cities are investigating greater sign illumination, typically installing a small number of signs for evaluation in their busiest intersections and then following up with larger orders. Long-term plans could call For illuminating signs at every major intersection as funding becomes, installing illuminated signage at all new intersections, or replacing all fluorescent signs with LED illuminated signs to reduce maintenance costs.
For more information about Carmanahs LED edge-lit road signs and self-contained, solar-powered LED road lights, please visit
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Mark Komonoski, Director, Investor Relations
Telephone: +1 (403) 252-6047
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Analysis of advantages and disadvantages of 4G industrial routers
First, what is the classification of industrial routers?
Industrial Router (a communication device that can be divided into 2G routers, 2.5G routers, 3G routers and 4G routers according to network standards.
For users, you can communicate with the Internet by setting a default gateway on your PC or network device. In fact, the default gateway configured for network devices is the packet export for network devices. After the packet is sent to the Ethernet port of the router, the router performs the next job, so the router is an Internet relay.
Second, how do industrial routers work
So how does the router forward the packet? Just like getting somewhere, you need to place a route. This route is a routing table. This routing table contains all the destination network addresses owned by the router, as well as the best path to reach those networks through the router. This is because there is a routing table, so the router can forward packets according to the routing table. That's how routers work.
Understand what is an industrial router and how it works, it is not difficult to understand the advantages and disadvantages of the router. Here we focus on the advantages and disadvantages of 4G industrial routers.
Third, the advantages of 4G industrial routers
For networks interconnected via single-protocol industrial-grade wireless routers, the same or different protocols can be used at layers 1-2. Layer 3 uses the same routable protocol and requires the same or compatible protocols at layer 4 and beyond.
Industrial routers can perform complex routing calculations and are suitable for connecting three or more large networks with complex network topologies.
Industrial-grade routers can isolate broadcast storm information in the source network, thereby reducing and mitigating the impact of broadcast storms.
Multiprotocol industrial wireless routers can be used as network interconnection platforms using different communication protocols because they can connect to the network using different communication protocols.
The entire network router can also be used as a bridge to handle non-routable protocols.
Industrial 4G routers enable you to isolate unnecessary communications so that the interconnected network maintains its own area of independent management and control, thereby improving network security performance. Therefore, industrial-grade 4G routers are commonly used as firewalls to restrict access to the internal and external networks (Internet) of the LAN, as well as the internal areas of the LAN, and act as network masking.
It can provide reliable transport and prioritization services, and industrial LTE routers do not need to maintain a persistent connection between networks that communicate with each other.
Complete Netcom router network segmentation improves network performance and reduces host load.
Third, the advantages of 4G industrial routers
High price
When installing an industrial LTE router, it is difficult to install and maintain due to the large number of initial configurations
If you spend more time processing, the transmission performance of the entire network of the industrial router will decrease.
Unlike Bridges, routers across industrial networks are protocol-related. Each advanced protocol used for network connectivity must be configured separately, and an industrial-grade network-grade router with a separate protocol for each protocol must be provided.
Industrial Netcom routers do not support non-routed protocols, so when interconnecting multiple networks, there are restrictions on the protocols used by the connected networks.
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Shenzhen MovingComm Technology Co., Ltd. , https://www.szmovingcomm.com