A camera incorporating an image sensor which outputs a digital

digital still camera (DSC)

signal representing a still picture, or records a digital signal

representing a still picture on a removable medium, such as a

 

 

memory card or magnetic disk.

 

 

dynamic range

cf. ISO DSC dynamic range, colour gamut, luminance ratio.

 

 

 

A compressed file format for digital cameras in which the images

Exif/JPEG

are compressed using the baseline JPEG standard, described in

ISO 12234-2, and metadata and thumbnail images are stored

 

using TIFF tags within an application segment at the beginning

 

of the JPEG file.

 

 

 

A numerical value that is inversely proportional to the exposure

exposure index

provided to an image sensor to obtain an image. Images

obtained from a camera using a range of exposure index values

 

 

will normally provide a range of image quality levels.

 

 

 

A numerical value calculated from the exposure provided at the

 

focal plane of an electronic camera to produce specified camera

ISO speed

output signal characteristics using the methods described in the

referenced standard. The ISO speed should correlate with the

 

 

highest exposure index value that provides peak image quality

 

for normal scenes.

 

 

JPEG

Joint Photographic Experts Group. An image compression

method defined in ISO/IEC 10918-1.

 

 

 

protocol

Defined mechanisms for exchanging data between devices.

 

 

 

A device-specific four byte unsigned integer (UINT32) that

StorageID

represents a unique storage area that may contain data objects.

The most significant sixteen bits of a StorageID represents the

 

PhysicalStorageID, while the least significant sixteen bits of a

 

StorageID represents the LogicalStorageID.

 

 

USB

Universal serial bus, a digital interface for connecting up to 64

devices in a tiered-star topology. See http://www.usb.org.

 

 

 

 

The adjustment of electronic still picture color channel gains or

white balance

image processing so that radiation with relative spectral power

distribution equal to that of the scene illumination source is

 

 

rendered as a visual neutral.

 

 

Source: ISO/WE 12231 Photography-- Electronic still-picture cameras -- Terminology

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HP PW550 manual Jpeg
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PW550 specifications

The HP PW550 is a versatile and high-performance printer designed to meet the diverse needs of both home and office users. This device combines cutting-edge technology with user-friendly features, making it a perfect choice for individuals and businesses alike.

One of the main features of the HP PW550 is its exceptional print quality. Utilizing HP’s advanced Inkjet technology, the printer delivers sharp text and vibrant images with a resolution of up to 4800 x 1200 optimized dpi on high-quality media. This technology ensures that every document and photo printed not only looks professional but also maintains clarity and color accuracy.

In terms of speed, the HP PW550 boasts a rapid printing capability, producing up to 20 pages per minute for black and white documents and up to 15 pages per minute for color prints. This efficiency makes it an ideal solution for busy environments where time is of the essence. Moreover, the printer supports automatic duplex printing, enabling users to save paper and reduce their environmental footprint.

Another significant characteristic of the HP PW550 is its robust connectivity options. It features USB, Ethernet, and wireless connectivity, allowing users to print seamlessly from various devices, including computers, smartphones, and tablets. The inclusion of mobile printing capabilities, such as HP Smart app and Apple AirPrint, provides added convenience, enabling users to print directly from their mobile devices with ease.

Security is also a key focus with the HP PW550. The printer incorporates advanced security features to protect sensitive information and ensure data integrity. Users can implement secure printing protocols, which require authentication before jobs are printed, safeguarding confidential documents.

The HP PW550 is designed with user-friendliness in mind, featuring a straightforward control panel and an intuitive interface. The large, color touchscreen simplifies navigation through settings and options, while the printer's compact design allows it to fit comfortably in any workspace.

Overall, the HP PW550 is a powerful yet user-centric printing solution suitable for various applications. With its remarkable print quality, speedy performance, diverse connectivity options, and commitment to security, it stands out as an outstanding choice for those seeking reliability and efficiency in their printing tasks.
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