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Hewlett packard transfer oscillator 540A manual 1955


This is an operating and servicing manual for the Hewlett Packard 540A Transfer Oscillator.
Hewlett-Packard Company (NYSE: HPQ), commonly referred to as HP, is an American multinational information technology corporation headquartered in Palo Alto, California, USA. HP is one of the world's largest information technology companies and operates in nearly every country. HP specializes in developing and manufacturing computing, data storage, and networking hardware, designing software and delivering services. Major product lines include personal computing devices, enterprise servers, related storage devices, as well as a diverse range of printers and other imaging products. HP markets its products to households, small to medium size businesses and enterprises both directly, via online distribution, consumer-electronics and office-supply retailers, software partners and major technology vendors.
* 3 Products and organizational structure
* 6 Corporate social responsibility
letters H and P in a circle Original HP logo
And while the Hewlett-Packard Company had long moved from their celebrated garage on Addison in Palo Alto, the company did not file for their HP ubiquitous trademark until later on November 12, 1954.[12] Their application indicates the trademark was first used and in commerce on January 1, 1941.
A lengthy list describing HP's goods and services was provided to the United States Patent and Trademark Office, in their filing, instruments used for measuring or testing purposes-namely, attenuator, bolometer mounts, bridges, crystal detectors, directional couplers, electronic counters, electronic frequency meters, frequency and modulation monitors, frequency converters, harmonic wave analyzers, low pass filters, microwave detector mounts, microwave power meters, microwave probes, microwave slotted sections, microwave terminations, microwave thermistor mounts, microwave test sets, noise and distortion analyzers, oscillators.
Of the many projects they worked on, their very first financially successful product was a precision audio oscillator, the Model HP200A. Their innovation was the use of a small light bulb as a temperature dependent resistor in a critical portion of the circuit. This allowed them to sell the Model 200A for $54.40 when competitors were selling less stable oscillators for over $200. The Model 200 series of generators continued until at least 1972 as the 200AB, still tube-based but improved in design through the years. At 33 years, it was perhaps the longest-selling basic electronic design of all time.
The company was originally rather unfocused, working on a wide range of electronic products for industry and even agriculture. Eventually they elected to focus on high-quality electronic test and measurement equipment.
From the 1940s until well into the 1990s the company concentrated on making electronic test equipment signal generators, voltmeters, oscilloscopes, frequency counters, thermometers, time standards, wave analyzers, and many other instruments. A distinguishing feature was pushing the limits of measurement range and accuracy; many HP instruments were more sensitive, accurate, and precise than other comparable equipment.[citation needed]
Following the pattern set by the company's first product, the 200A, test instruments were labelled with three to five digits followed by the letter "A". Improved versions went to suffixes "B" through "E". As the product range grew wider HP started using product designators starting with a letter for accessories, supplies, software, and components.
HP is recognized as the symbolic founder of Silicon Valley, although it did not actively investigate semiconductor devices until a few years after the "Traitorous Eight" had abandoned William Shockley to create Fairchild Semiconductor in 1957. Hewlett-Packard's HP Associates division, established around 1960, developed semiconductor devices primarily for internal use. Instruments and calculators were some of the products using these devices.
HP partnered in the 1960s with Sony and the Yokogawa Electric companies in Japan to develop several high-quality products. The products were not a huge success, as there were high costs in building HP-looking products in Japan. HP and Yokogawa formed a joint venture (Yokogawa-Hewlett-Packard) in 1963 to market HP products in Japan.[13] HP bought Yokogawa Electric's share of Hewlett-Packard Japan in 1999.[14]
"The new Hewlett-Packard 9100A personal computer is ready, willing, and able ... to relieve you of waiting to get on the big computer."
Steve Wozniak, co-founder of Apple, originally designed the Apple I computer while working at HP and offered it to them under their right of first refusal to his work, but they did not take it up as the company wanted to stay in scientific, business, and industrial markets.[citation needed]
The company earned global respect for a variety of products. They introduced the world's first handheld scientific electronic calculator in 1972 (the HP-35), the first handheld programmable in 1974 (the HP-65), the first alphanumeric, programmable, expandable in 1979 (the HP-41C), and the first symbolic and graphing calculator, the HP-28C. Like their scientific and business calculators, their oscilloscopes, logic analyzers, and other measurement instruments have a reputation for sturdiness and usability (the latter products are now part of spin-off Agilent's product line). The company's design philosophy in this period was summarized as "design for the guy at the next bench".[citation needed]
The 98x5 series of technical desktop computers started in 1975 with the 9815, and the cheaper 80 series, again of technical computers, started in 1979 with the 85.[18] These machines used a version of the BASIC programming language which was available immediately after they were switched on, and used a proprietary magnetic tape for storage. HP computers were similar in capabilities to the much later IBM Personal Computer, although the limitations of available technology forced prices to be high.[citation needed]
The garage in Palo Alto where Hewlett and Packard began their company.
In 1984, HP introduced both inkjet and laser printers for the desktop. Along with its scanner product line, these have later been developed into successful multifunction products, the most significant being single-unit printer/scanner/copier/fax machines. The print mechanisms in HP's tremendously popular LaserJet line of laser printers depend almost entirely on Canon's components (print engines), which in turn use technology developed by Xerox. HP develops the hardware, firmware, and software that convert data into dots for the mechanism to print.[citation needed]
On March 3, 1986, HP registered the HP.com domain name, making it the ninth Internet .com domain ever to be registered.[19]
In 1987, the Palo Alto garage where Hewlett and Packard started their business was designated as a California State historical landmark.
Original Hewlett Packard logo used until 2008
In the 1990s, HP expanded their computer product line, which initially had been targeted at university, research, and business users, to reach consumers.
Later in the decade, HP opened hpshopping.com as an independent subsidiary to sell online, direct to consumers; in 2005, the store was renamed "HP Home & Home Office Store."
In 1999, all of the businesses not related to computers, storage, and imaging were spun off from HP to form Agilent. Agilent's spin-off was the largest initial public offering in the history of Silicon Valley.[20] The spin-off created an $8 billion company with about 30,000 employees, manufacturing scientific instruments, semiconductors, optical networking devices, and electronic test equipment for telecom and wireless R&D and production.
In July 1999, HP appointed Carly Fiorina as CEO, the first female CEO of a company in the Dow Jones Industrial Average. Fiorina served as CEO during the tech downtown of the turn of the second millennium. During her tenure, the market halved HP s value commensurate with other tech companies at the time and the company incurred heavy job losses.[21] The HP Board of Directors asked Fiorina to step down in 2005, and she resigned on February 9, 2005.
The current two dimensional HP logo used on corporate documents, letterheads, etc. HP's recent campaign, The Computer is Personal Again, features several celebrity endorsements, including a TV commercial with Gwen Stefani.
On September 3, 2001, HP announced that an agreement had been reached with Compaq to merge the two companies.[22] In May, 2002, after passing a shareholder vote, HP officially merged with Compaq. Prior to this, plans had been in place to consolidate the companies' product teams and product lines.[23]
The merger occurred after a proxy fight with Bill Hewlett's son Walter, who objected to the merger. Compaq itself had bought Tandem Computers in 1997 (which had been started by ex-HP employees), and Digital Equipment Corporation in 1998. Following this strategy, HP became a major player in desktops, laptops, and servers for many different markets. After the merger with Compaq, the new ticker symbol became "HPQ", a combination of the two previous symbols, "HWP" and "CPQ", to show the significance of the alliance and also key letters from the two companies Hewlett-Packard and Compaq (the latter company being famous for its "Q" logo on all of its products.)
In the year 2004 HP released the DV 1000 Series, including the HP Pavilion dv 1658 and 1040 two years later in May 2006, HP began its campaign, The Computer is Personal Again. The campaign was designed to bring back the fact that the PC is a personal product. The campaign utilized viral marketing, sophisticated visuals, and its own web site ( /personal). Some of the ads featured well-known personalities, including Pharrell, Petra Nemcova, Mark Burnett, Mark Cuban, Jay-Z, Gwen Stefani, and Shaun White.
On November 11, 2009, 3Com and Hewlett-Packard announced that Hewlett-Packard will be acquiring 3Com for $2.7 billion in cash.[26] The acquisition is the one of the biggest in size among a series of takeovers and acquisitions by technology giants to push their way to become one-stop shops. Since the beginning of the financial crisis in 2007, tech giants have constantly felt the pressure to expand beyond their current market niches. Dell purchased Perot Systems recently to invade into the technology consulting business area previously dominated by IBM. Hewlett-Packard's latest move marked its incursion into enterprise networking gear market dominated by Cisco.
Hewlett-Packard corporate headquarters in Palo Alto, California
HP's global operations are directed from its headquarters in Palo Alto, California, USA. Its U.S. operations are directed from its facility in Houston, Texas, USA the site originally belonging to Compaq, which it acquired. Latin America operations are directed from Miami, Florida, USA, European operations from Geneva, Switzerland, and Asia-Pacific operations from Singapore.[28][29][30] It also has large operations in Boise, Idaho, San Diego, California, and Plano, Texas the former headquarters of EDS, which HP acquired. In the UK, HP is based out of a large site in Bracknell, Berkshire with offices in various UK locations, including a landmark office tower in London, 88 Wood Street. Its recent acquisition of 3Com will expand its employee base to Marlborough, Massachusetts.[31]
[edit] Products and organizational structure
HP has successful lines of printers, scanners, digital cameras, calculators, PDAs, servers, workstation computers, and computers for home and small business use computers; many of the computers came from the 2002 merger with Compaq. HP today promotes itself as supplying not just hardware and software, but also a full range of services to design, implement, and support IT infrastructure.
HP Enterprise Business (EB) incorporates Technical services, Enterprise Services (formerly known as EDS), HP Software & Solutions, and Enterprise Servers, Storage and Networking Group (ESSN). The Enterprise Servers, Storage and Networking Group (ESSN) oversees "back end" products like storage and servers. HP's networking business unit ProCurve is responsible for the family of network switches, wireless access points, and routers.[34] They are currently a Business Unit of ESSN.
An HP camera with an SDIO interface
HP also offers managed services where they provide complete IT-support solutions for other companies and organisations. In their Dublin office, for instance, they offer IT support for the Bank of Ireland, and for Microsoft they offer Professional and Premiere support for the Windows-operating system, Exchange, SharePoint and Microsoft Office products for the EMEA markets.[39]
HP owns and operates the photo sharing site Snapfish
The company operates under a mantra known as "The HP Way," which co-founder David Packard elaborated upon in a book.
The founders, known to friends and employees alike as Bill and Dave, developed a unique management style that has come to be known as The HP Way. In Bill's words, the HP Way is "a core ideology ... [which] includes a deep respect for the individual, a dedication to affordable quality and reliability, a commitment to community responsibility, and a view that the company exists to make technical contributions for the advancement and welfare of humanity."[40] The following are the tenets of The HP Way:[41]
1. We have trust and respect for individuals.
2. We focus on a high level of achievement and contribution.
3. We conduct our business with uncompromising integrity.
4. We achieve our common objectives through teamwork.
5. We encourage flexibility and innovation.
[edit] Corporate social responsibility
In July 2007, the company announced that it had met its target, set in 2004, to recycle 1 billion pounds of electronics, toner and ink cartridges.[42] It has set a new goal of recycling a further 2 billion pounds of hardware by the end of 2010. In 2006, the company recovered 187 million pounds of electronics, 73 percent more than its closest competitor.[43]
In 2008, HP released its supply chain emissions data an industry first.[44]
In September, 2009, Newsweek ranked HP #1 on its 2009 Green Rankings of America's 500 largest corporations.[45] According to environmentalleader.com, "Hewlett-Packard earned its number one position due to its greenhouse gas (GHG) emission reduction programs, and was the first major IT company to report GHG emissions associated with its supply chain, according to the ranking. In addition, HP has made an effort to remove toxic substances from its products, though Greenpeace has targeted the company for not doing better."[46]
Fortune magazine named HP one of the World s Most Admired Companies in 2010, placing it No. 2 in the computer industry and No. 32 overall in its list of the top 50. This year in the computer industry HP was ranked No. 1 in social responsibility, long-term investment, global competitiveness, and use of corporate assets.[49]
In April 2010, HP released its latest Global Responsibility report covering accomplishments during 2009.[50] The report claims that in 2009, HP decreased its total energy use by 9 percent compared with 2008. HP recovered a total of 118,000 tonnes of electronic products and supplies for recycling in 2009, including 61 million print cartridges.[51]
In an April 2010 San Francisco Chronicle article, HP was one of 12 companies commended for designing products to be safe from the start, following the principles of green chemistry." The commendations came from Environment California, an environmental advocacy group, who praised select companies in the Golden State and the Bay Area for their efforts to keep our planet clean and green.[52]
In May 2010, HP was named one of the World s Most Ethical Companies by Ethisphere Institute. This is the second year in a row HP has made the list. Ethisphere reviewed, researched and analyzed thousands of nominations in more than 100 countries and 35 industries to create the 2010 list. HP was one of only 100 companies to earn the distinction of top winner and was the only computer hardware vendor to be recognized. Ethisphere honors firms that promote ethical business standards and practices by going beyond legal minimums, introducing innovative ideas that benefit the public.[53]
The company sponsors the HP Pavilion at San Jose, home to the NHL's San Jose Sharks.
Agilent Technologies, not HP, retains the direct product legacy of the original company founded in 1939. Agilent's current portfolio of electronic instruments are descended from HP's very earliest products. HP entered the computer business only after its instrumentation competencies were well-established. When Agilent was spun off, items in the Corporate Archives were split-up along product lines, with Agilent retaining almost all of the original HP archives - only where there was duplication of material, was HP given early Test and Measurement material. Both companies retained an original 200A Audio Oscillator.
After the acquisition of Compaq in 2002, HP has maintained the "Compaq Presario" brand on low-end home desktops and laptops, the "HP Compaq" brand on business desktops and laptops, and the "HP ProLiant" brand on Intel-architecture servers. (The "HP Pavilion" brand is used on home entertainment laptops and all home desktops.)[55]
HP uses DEC's "StorageWorks" brand on storage systems; Tandem's "NonStop" servers are now branded as "HP Integrity NonStop".[56]
Main article: HP spying scandal
On September 5, 2006, Newsweek revealed that HP's general counsel, at the behest of chairwoman Patricia Dunn, contracted a team of independent security experts to investigate board members and several journalists in order to identify the source of an information leak.[57] In turn, those security experts recruited private investigators who used a spying technique known as pretexting. The pretexting involved investigators impersonating HP board members and nine journalists (including reporters for CNET, the New York Times and the Wall Street Journal) in order to obtain their phone records. The information leaked related to HP's long-term strategy and was published as part of a CNET article[58] in January 2006. Most HP employees accused of criminal acts have since been acquitted.[59]
International is considerably higher.
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Hewlett packard transfer oscillator 540A manual 1955