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Thomson-CSF

Thomson-CSF is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Thomson-CSF rather than just read about it. In short: Thomson-CSF was a French company that specialized in the development and manufacture of electronics with a heavy focus upon the aerospace and defence sectors of the market. Thomson-CSF was formed in 1968 following the merger of Thomson-Houston-Hotchkiss-Brandt with the Compagnie Générale de Télégraphie Sans Fil (General Wireless Telegraphy Company, commonly abbreviated as CSF), these two companies being the source o…

Thomson-CSF — main illustration
Thomson-CSF — illustration

Key takeaways

  • Thomson-CSF belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Thomson-CSF to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Thomson-CSF from memory before moving on to harder problems.

Reference excerpt

Thomson-CSF was a French company that specialized in the development and manufacture of electronics with a heavy focus upon the aerospace and defence sectors of the market. Thomson-CSF was formed in 1968 following the merger of Thomson-Houston-Hotchkiss-Brandt with the Compagnie Générale de Télégraphie Sans Fil (General Wireless Telegraphy Company, commonly abbreviated as CSF), these two companies being the source of the name Thomson-CSF. It operated as an electronics specialist on products such as broadcasting equipment, electroacoustics, shortwave radio sets, radar systems and television. During the 1970s, it began manufacturing backend telephony equipment, semiconductors and medical imaging apparatus. It also entered into large deals outside of the domestic market, acquiring considerable business in the Middle East. During the late 1980s, Thomson-CSF, anticipating defence spending cutbacks, conducted a radical business restructuring, merging its semiconductor interests with those of the Italian defence group Finmeccanica and exchanging its medical imaging technology for General Electric's consumer electronics businesses. In the latter decades of operation, it built itself into a multinational corporation. During 1989, it acquired Philips' defence electronics business, Hollandse Signaalapparaten B.V. In 1999, the company was privatised, but not before divesting its consumer electronics businesses. Shortly after, it took over the British defence electronics company Racal Electronics. In December 2000, Thomson-CSF was rebranded Thales Group.

History Thomson-CSF traces its origins to the formation of the American business Thomson-Houston Electric Company by Elihu Thomson and Edwin Houston in 1879. On 15 April 1892, the Thomson-Houston Electric Company merged with its rival, the Edison General Electric Company, to form General Electric (GE). That same year, the company formed an overseas subsidiary, named Thomson Houston International, based in France. In 1893, Compagnie Française Thomson-Houston (CFTH) was established as a partner to GE. CFTH's operations centered around the application of GE's patents in the growing electricity generation and transmission industry. The modern Thomson companies evolved from this company.

In 1966, CFTH merged with armaments and vehicle manufacturer Hotchkiss-Brandt to form Thomson-Houston-Hotchkiss-Brandt, which was subsequently renamed Thomson-Brandt. Two years later, the electronics business of Thomson-Brandt merged with Compagnie Générale de Télégraphie Sans Fil (General Wireless Telegraphy Company, commonly abbreviated as CSF) to form Thomson-CSF. Prior to the merger, CSF had operated as a pioneer in the fields of broadcasting, electroacoustics, shortwave radio, radar systems and television. Thomson Brandt maintained a significant shareholding in the merged company (approximately 40 percent). In the 1970s, Thomson-CSF received its first major contract in the Middle Eastern market. In this period the company diversified into several new sectors, leading to it manufacturing backend telephony equipment, semiconductors and medical imaging apparatus. By the early 1980s, Thomson-CSF was in a weak financial position and carrying a high level of debt. While it possessed a diversified portfolio of businesses, its market share within the majority of these many sectors was viewed as being too small to be realistically profitable despite increasing business from overseas buyers. In 1982, both Thomson-Brandt and Thomson-CSF were nationalised by France's Mitterrand government. As a consequence, Thomson-Brandt was renamed Thomson SA (Société Anonyme) and merged with Thomson-CSF. Throughout the 1980s, the company's financial position improved dramatically as undertook a major reorganisation, focusing its efforts on the production of electronics for professional and defence customers. In 1983, the company divested Thomson-CSF Téléphone, its civil telecommunications division, to the French telecommunications specialist Alcatel. Four years later, its semiconductor interests were merged with those of the Italian defence group Finmeccanica, resulting in the creation of STMicroelectronics. That same year, Thomson-CSF's medical imaging technology was exchanged with GE for GE's RCA and consumer electronics businesses.

In the late 1980s, Thomson-CSF, anticipating future defence spending cutbacks and a downturn in its lucrative export contracts, initiated a restructuring of its businesses with the aim of maintaining its margins. A policy of proactive external growth was adopted, focusing on the European market. Between 1976 and 1987, the company's non-French subsidiaries' share of consolidated revenues rose from 5 percent to 25 percent. In 1988, a new division, Thomson Consumer Electronics was formed; this division was rebranded as Thomson Multimedia in 1995. In 1989, it acquired Philips' defence electronics business, Hollandse Signaalapparaten B.V. During the 1990s, Thomson-CSF gained a controlling interest in Sextant Avionique, which was formed by the merger of the company's avionics business with that of French aircraft manufacturer Aérospatiale. The company also divested its interests in the French bank Crédit Lyonnais and semiconductor manufacturer SGSThomson. During the late 1990s, French Prime Minister Lionel Jospin's Plural Left government initiated a policy of privatisation of several state-owned companies, including Thomson-CSF. In April 1998, several of the affected companies, including Aérospatiale, Alcatel, Dassault Industries, Thomson-CSF and Thomson SA reached a cooperation agreement that was endorsed by the French government. Several of these terms brought about several major changes to Thomson-CSF as well as several other entities. Principally, the professional and defence electronics businesses of Alcatel and Dassault Électronique were merged with Thomson-CSF. Additionally, the satellite businesses of Alcatel, Aerospatiale and Thomson-CSF were merged to form a new entity, Alcatel Space, which was jointly owned by Alcatel and Thomson-CSF.

… excerpt ends here. Continue reading the full article.

Illustrations

Thomson-CSF: Thomson-CSF Cyrano IV airborne radar as used on the Dassault Mirage F1
Thomson-CSF Cyrano IV airborne radar as used on the Dassault Mirage F1
Thomson-CSF: Commercial aircraft Angle of Attack Sensor, made by Thomson-CSF
Commercial aircraft Angle of Attack Sensor, made by Thomson-CSF

Worked examples

Example 1 — a first encounter with Thomson-CSF

Start with the simplest possible case. Write down what Thomson-CSF claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Thomson-CSF before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Thomson-CSF ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Thomson-CSF

In research
Thomson-CSF appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Thomson-CSF in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Thomson-CSF is common in secondary-school and first-year university syllabi. It links to neighbouring topics Avionics companies, Defunct manufacturing companies of France, French companies established in 1968, so understanding it makes those chapters shorter.
In everyday life
Look for Thomson-CSF outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Thomson-CSF in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Thomson-CSF means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Thomson-CSF out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Thomson-CSF in simple terms?

Thomson-CSF was a French company that specialized in the development and manufacture of electronics with a heavy focus upon the aerospace and defence sectors of the market. Thomson-CSF was formed in 1968 following the merger of Thomson-Houston-Hotchkiss-Brandt with the Compagnie Générale de Télégra…

Why does Thomson-CSF matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Thomson-CSF?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Thomson-CSF.

Tags

  • Avionics companies
  • Defunct manufacturing companies of France
  • French companies established in 1968
  • Technicolor SA
  • Thales Group

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