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Laser Cutting System

Cincinnati Inc. (Cincinnati, OH) introduced the CL-707 high-speed, super-size laser with interchangeable 8 × 20' cutting tables. The linear motor drive delivers 10,000 ipm head positioning. The 5 kW power of the cutting head cuts through 10 ga steel at up to 1,000 ipm and can process mild steel up to 1" thick. Each 8 ( 20' pallet can be loaded with multiple sheets. Pallets change automatically, and 320 sq. ft. of material can be processed between the two pallets. A breakaway feature safeguards against debris, and an electronic shutter with trigger-discharge electrodes assists pulsing characteristics for smooth cutting.

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LED Transmitters

OPTEK Technology (Carrollton, TX) offers the OPF670 series of fiber optic LED transmitters for integration into data communications equipment. The series consists of the OPF670 in a TO-46 package, the OPF672 in a standard profile metal housing, and the OPF673 in a low-profile metal housing. The units launch optical power into 50/125 μmor 62.5/125 μm-diameter multimode fibers and are thermally stable. The OPF670 unit is designed for active alignment into a connector receptacle in a TO-46 package with a plastic lens cap. The 672 and 673 models are equipped with an ST connector.

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Non-Circular Optical Fibers

Liekki (Lohja, Finland) has released square and rectangular optical fibers for high-power delivery applications. Square- and rectangular-shaped fibers more closely match optical sources. Different combinations — rectangular core-round cladding or rectangular core-rectangular cladding — are available. The fibers exhibit low photodarkening, flat refractive index profile, and reduced nonlinear effects.

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Tunable Light Source

The TLS Series of software-controlled (Windows®) wavelength tunable light sources from Optometrics Corp. (Ayer, MA) can be used for detector sensitivity testing, color matching, and characterization, as well as reflectivity and absorption of different materials. Featuring a USB interface, abilities include wavelength selection from 360 to 1,000 nm and scanning between wavelengths. Bandpass output ranges from 6, 10, and 25 nm, and to illuminate specific wavelengths, a stepper motor is integrated. Manual versions also are offered.

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Multi-Cores: The Gateway to Next-Gen SBCs and Blades

With the introduction of Intel Core microarchitecture into embedded systems, history could very well repeat itself. The company that invented the microprocessor in 1971 and created the very first microcontroller in 1976 is about to revolutionize the embedded space once again. By bringing the power of parallel processing to embedded developers in an open-standards-based building block architecture, Intel is hoping to break down the cost barriers while taking embedded systems performance to new levels that once were reserved only for expensive computer systems specifically designed for symmetric multiprocessing (SMP), while also accomplishing unrivaled levels of efficiency.

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How to Design an Embedded RDBMS Search

As the cost of micro-disk and NAND Flash continue to drop, devices are storing more and more data. It is common now for a person’s MP3 player to have more storage than their laptop. But this increase in storage capacity has not been matched with advances in the user interface. Typically, users still wrestle with a folder-based interface to find the data they want, searching by a few vendor-defined categories such as artist, album, and genre. But a new class of embedded database manage- ment systems (DBMS) is emerging to allow end users to search the way people think, rather than in this stat- ic manner. With a RAM footprint ranging from a few tens to a few hundred kilobytes, these products enable developers to deliver this sophisti- cated search on mobile devices. So how do they work? How do you write an embedded application to use a relational DBMS (RDBMS)? While there are a few kinds of DBMS, the relational model has tri- umphed over all the others, largely because it abstracts the data struc- tures so that applications don’t have to know them. A relational database management system offers a standard, high-level query language that allows access to data by content, not by pointer or location and offset.

Posted in: Application Briefs, Application Briefs

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Fanless Single Board Computer ( ADLINK Technology)

The NuPRO-796 from ADLINK Technology (Irvine, CA) is a half-size board computer featuring an AMD GeodeTM GX 533 processor. Fanless, the device has a 1.1 W CPU power consumption, and includes an on-board 128 MB memory on a single SODIMM slot, one UltraATA 66 IDE connector, and four Serial ATA connectors with RAID support. With several display options, it supports VGA/CRT monitors (1,600 ×1,200, 16 bbp at 85 Hz or 1,280 ×1,024, 24 bpp at 85 Hz), TFT LCDs, (1,280 ×1,024 bpp), and LVDS. Key I/O interfaces include an ACPI-compliant 10/1000BASE-T LAN port, four USB 1.1 ports (two USB ports on the faceplate, two by the pin header), and integrated audio controllers with an AC’97 interface. Operating temperature ranges from 0 to 60°C (storage temperature is -20 to 80°C).

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