Packard Bell is a Dutch-based computer manufacturing company and subsidiary of Acer. The brand name originally belonged to an American radio set manufacturer, Packard Bell Corporation, founded by Herbert “Herb” A. Bell and Leon S. Packard in 1933. In 1986, Israeli investors bought the brand from Teledyne, in order to name their newly formed personal computer manufacturing company producing discount computers in the United States and Canada. In the late 1990s, Packard Bell became a subsidiary of NEC. In 2000, Packard Bell stopped its North American operations and became a leading brand in the European PC markets. In 2008 it was acquired by the Taiwanese consumer electronic firm Acer in the aftermath of its takeover of Gateway, Inc. Gateway products are now sold in the Americas and Asia, while Packard Bell products are sold in Africa, Europe and the Middle East.
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Panasonic Corporation, formerly known as the Matsushita Electric Industrial Co., Ltd., founded by Kōnosuke Matsushita in 1918 as a lightbulb socket manufacturer, is a major Japanese multinational electronics company, headquartered in Kadoma, Osaka. In addition to consumer electronics of which it was the world’s largest maker in the late 20th century, Panasonic offers a wide range of products and services, including rechargeable batteries, automotive and avionic systems, as well as home renovation and construction.
Panasonic has a primary listing on the Tokyo Stock Exchange and is a constituent of the Nikkei 225 and TOPIX indices. It has a secondary listing on the Nagoya Stock Exchange.
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Pay-per-view (PPV) is a type of pay television or webcast service by which a viewer can purchase events to view via private telecast. The broadcaster shows the event at the same time to everyone ordering it. Events can be purchased through a multichannel television platform using their electronic program guide, an automated telephone system, or through a live customer service representative. There has been an increasing number of pay-per-views distributed via streaming video online, either alongside or in lieu of carriage through television providers. In 2012, the popular video sharing service YouTube began to allow partners to host live PPV events on the platform.
A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or technician. Unlike large costly minicomputers and mainframes, time-sharing by many people at the same time is not used with personal computers.
Koninklijke Philips N.V. (literally Royal Philips, commonly shortened to Philips, stylized in its logo as PHILIPS) is a Dutch multinational conglomerate corporation that was founded in Eindhoven. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters is still in Eindhoven. Philips was formerly one of the largest electronics companies in the world, currently focused in the area of health technology, with other divisions being divested.
It was founded in 1891 by Gerard Philips and his father Frederik, with their first products being light bulbs. It currently employs around 80,000 people across 100 countries. The company gained its royal honorary title in 1998 and dropped the “Electronics” in its name in 2013, due to its refocusing from consumer electronics to healthcare technology.
Philips is organized into three main divisions: Personal Health (formerly Philips Consumer Electronics and Philips Domestic Appliances and Personal Care), Connected Care, and Diagnosis & Treatment (formerly Philips Medical Systems). The lighting division was spun off as a separate company, Signify N.V. The company started making electric shavers in 1939 under the Philishave brand, and post-war they developed the Compact Cassette format and co-developed the Compact Disc format with Sony, as well as numerous other technologies. As of 2012, Philips was the largest manufacturer of lighting in the world as measured by applicable revenues.
Philips has a primary listing on the Euronext Amsterdam stock exchange and is a component of the Euro Stoxx 50 stock market index. It has a secondary listing on the New York Stock Exchange. Acquisitions include that of Signetics and Magnavox. They also have had a sports club since 1913 called PSV Eindhoven.
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Photodetectors, also called photosensors, are sensors of light or other electromagnetic radiation. A photo detector has a p–n junction that converts light photons into current. The absorbed photons make electron–hole pairs in the depletion region. Photodiodes and photo transistors are a few examples of photo detectors. Solar cells convert some of the light energy absorbed into electrical energy.
The photon is a type of elementary particle. It is the quantum of the electromagnetic field including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force (even when static via virtual particles). The invariant mass of the photon is zero; it always moves at the speed of light in a vacuum.
Physics (from Ancient Greek: φυσική (ἐπιστήμη), romanized: physikḗ (epistḗmē), lit. ‘knowledge of nature’, from φύσις phýsis ‘nature’) is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.
ping (networking utility) – Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software.
Ping measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source. The name comes from active sonar terminology that sends a pulse of sound and listens for the echo to detect objects under water.
Ping operates by sending Internet Control Message Protocol (ICMP) echo request packets to the target host and waiting for an ICMP echo reply. The program reports errors, packet loss, and a statistical summary of the results, typically including the minimum, maximum, the mean round-trip times, and standard deviation of the mean.
The command-line options of the ping utility and its output vary between the numerous implementations. Options may include the size of the payload, count of tests, limits for the number of network hops (TTL) that probes traverse, interval between the requests and time to wait for a response. Many systems provide a companion utility ping6, for testing on Internet Protocol version 6 (IPv6) networks, which implement ICMPv6.
Pioneer Corporation (パイオニア株式会社, Paionia Kabushiki-gaisha) commonly referred to as Pioneer, is a Japanese multinational corporation based in Tokyo, Japan, that specializes in digital entertainment products. The company was founded by Nozomu Matsumoto in 1938 in Tokyo as a radio and speaker repair shop. Its current president is Susumu Kotani.
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Play Communications SA, known as Play or P4, is a Polish cellular telecommunications provider. Play was founded in 2007 and has gradually increased its local market share, up to 27% as of 2017. In September 2020, Play became part of French Iliad. Before being sold, Iceland’s Novator Partners, led by Icelandic businessman Thor Bjorgolfsson, acquired a large stake in the company. As of November 20, 2020, Iliad owns 96,66% of Play.
A podcast is an episodic series of digital audio files that a user can download to a personal device in order to listen. Platforms such as iTunes, Spotify, and Google Podcasts provide a convenient, integrated way to manage a personal consumption queue across many podcast sources and playback devices.
A portable media player (PMP) or digital audio player (DAP) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files. The data is typically stored on a CD, DVD, BD, flash memory, microdrive, or hard drive. Most portable media players are equipped with a 3.5 mm headphone jack, which users can plug headphones into, or connect to a boombox or hifi system. In contrast, analogue portable audio players play music from non-digital media that use analogue signal storage, such as cassette tapes or vinyl records.
In computing, a printer is a peripheral device which makes a persistent representation of graphics or text, usually on paper. While most output is human-readable, bar code printers are an example of an expanded use for printers.