physics

Mark Krivosheev

Mark Krivosheev is a physics 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 Mark Krivosheev rather than just read about it. In short: Mark Iosifovich Krivosheev (Russian: Марк Иосифович Кривошеев; July 30, 1922 – October 16, 2018) was a Soviet and Russian engineer and academic who made pioneering contributions to the development of television technology as a head of television study groups at CCIR and ITU-R. He was a key figure in establishing Rec. 601 and Rec. 709 technical standards for digital television broadcasting.

Key takeaways

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

Reference excerpt

Mark Iosifovich Krivosheev (Russian: Марк Иосифович Кривошеев; July 30, 1922 – October 16, 2018) was a Soviet and Russian engineer and academic who made pioneering contributions to the development of television technology as a head of television study groups at CCIR and ITU-R. He was a key figure in establishing Rec. 601 and Rec. 709 technical standards for digital television broadcasting.

Early life and career Krivosheev was born in 1922 in the Soviet Union. As a student at the Moscow Technical University of Communications and Informatics in 1945, he participated in broadcasting the first post-war television program in Europe. In 1946, he designed a scanning unit for displaying new standard 625-line television images for the first time. After graduating in 1946, Krivosheev joined the Moscow Television Centre, where he led the broadcast studio since 1947. On September 3, 1948, he broadcast the world's first 625-line television programme.

Standardization work at ITU Krivosheev began his decades-long involvement with the ITU's International Radio Consultative Committee (CCIR) in 1948. He was elected vice-chairman of CCIR Study Group 11 on Television in 1970 and became chairman in 1974, a position he held for about 30 years until 2000. As Study Group 11 Chairman, Krivosheev coordinated the development of over 150 recommendations that enabled the global implementation of digital television broadcasting. Notable achievements included ITU Recommendation 601 in 1981, which established the first digital television standard, and Recommendation 709 in the 1990s, which laid out basic parameter values for the HDTV standard. Krivosheev advocated for a "global approach" to developing internationally unified television standards rather than regional or national ones.

Later career and legacy After 2000, Krivosheev served as Honorary Chairman of the successor ITU-R Study Group 6 on Broadcasting. In 2015, he became the first Russian to receive the prestigious ITU 150 Award for his contributions over many decades. Krivosheev authored over 30 books and 90 patents related to television technology and standards. He was honored with many awards, including the USSR State Prize and the French National Order of Merit. The Rec. 601 digital TV standard has been recognised with an Engineering Emmy award. Krivosheev remained actively working into his 90s. He died in Moscow in October 2018 at the age of 96.

References

Further reading Bystrushkin, Konstantin (July 2017). "Он пришел дать нам "цифру"!" [He came to bring us "digital"!] (PDF). Tele-Sputnik (in Russian). 7 (261): 38–41.

Illustrations

Worked examples

Example 1 — a first encounter with Mark Krivosheev

Start with the simplest possible case. Write down what Mark Krivosheev claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Mark Krivosheev 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 Mark Krivosheev 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 Mark Krivosheev

In research: Mark Krivosheev appears in physics 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 Mark Krivosheev 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: Mark Krivosheev is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1922 births, 2018 deaths, 20th-century Russian engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Mark Krivosheev 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 Mark Krivosheev in 20 minutes

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

Frequently asked questions

What is Mark Krivosheev in simple terms?

Why does Mark Krivosheev matter?

Because it connects several physics 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 Mark Krivosheev?

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 Mark Krivosheev.