Glossary

Alternating fields generated by the deflection yoke. These are subject to increasing attention, notably by governing authorities, the trade and the press. Although there is no scientific evidence that monitor emissions are harmful, much effort has gone into reducing emissions on the principle of better safe than sorry. Currently, there are two areas of interest: very-low frequency (VLF) electric and magnetic fields extending from 2 kHz to 400 kHz, and extreme low frequency (ELF) fields extending from 5 Hz to 2 kHz.

See also Electromagnetic radiation standards.

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M

Moiré effect

A fringe pattern arising from the interference between two superimposed line patterns.

In a monitor it comes from the interference between the shadow mask pattern and the video information (video moiré), and between the shadow mask pattern and the horizontal line pattern (scan moiré). It shows itself as wavy patterns on the screen and becomes more noticeable as monitor resolution increases. Since the video signal varies continuously, little can be done about video moiré. Scan moiré depends on the horizontal scanning frequency and can be alleviated by appropriate choice of frequency. Autoscan (MultiSync) monitors, which operate over a range of scanning frequencies, may sometimes exhibit moiré in certain video modes.

MPR

See Electromagnetic radiation standards.

MultiSync monitor

See Autoscan monitor.

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Philips 109B user manual Moiré effect, MultiSync monitor

109B specifications

The Philips 109B is a notable product in the realm of computer monitors, particularly significant during its time for delivering a solid blend of functionality and affordability. Designed primarily for office and general computing use, the Philips 109B stands out as a reliable choice for users looking for a dependable display solution.

One of the key features of the Philips 109B is its display size. With a 19-inch screen, it strikes a balance between providing ample screen real estate for multitasking while still being compact enough to fit into various workspace setups. The screen resolution of 1280 x 1024 pixels ensures adequate clarity for text and graphics, making it suitable for everyday tasks like word processing, browsing, and even light graphic design.

The monitor utilizes CRT (Cathode Ray Tube) technology, a standard in earlier generations of monitors, which contributes to its deep color reproduction and high refresh rates. Users benefit from a refresh rate of up to 85Hz, significantly reducing flickering and providing a smoother visual experience, particularly during prolonged use.

In terms of ergonomics, the Philips 109B features a tilt-adjustable design, allowing users to customize the angle of the screen to their preference, thus enhancing comfort during extended viewing sessions. The monitor's build quality is robust, reflecting the durability often associated with Philips products, which is crucial in an office environment where reliability is paramount.

Connectivity is another strong point for the Philips 109B, equipped with connectors that support conventional VGA interfaces. This makes it compatible with a wide range of computers and peripherals, ensuring easy integration into existing setups without the need for additional adapters or converters.

Moreover, the monitor includes various color settings, allowing users to adjust their viewing experience according to their personal preferences, which can be particularly beneficial for graphic work or video editing where color accuracy is important.

Overall, the Philips 109B exemplifies a practical, user-friendly monitor that caters to a variety of computing needs. Its combination of size, resolution, ergonomic features, and solid build quality makes it a commendable choice for users seeking a functional monitor without unnecessary frills. While newer technologies have emerged since its popularity, the Philips 109B remains a testament to the reliable design and engineering that Philips is known for.