engineering

Heinz Bohlen

Heinz Bohlen is a engineering 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 Heinz Bohlen rather than just read about it. In short: Heinz P. Bohlen (26 June 1935 – 2 February 2016) was a microwave electronics and communications engineer.

Key takeaways

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

Reference excerpt

Heinz P. Bohlen (26 June 1935 – 2 February 2016) was a microwave electronics and communications engineer. He designed and described numerous non-octave musical scales (alternative musical tunings and temperaments), many based on combination tones, including the Bohlen–Pierce scale in 1972 (independently discovered by John R. Pierce in 1984, also a microwave electronics and communications engineer, six years later and Kees van Prooijen in 1978), the A12 scale, and the 833 cents scale. Bohlen began to question and investigate tunings in the early 1970s when a friend and graduate student at the Hamburg Hochschule für Musik und Theater asked him to begin recording concerts at the school. Bohlen asked students why all their music used twelve-tone equal temperament, including the octave, and, dissatisfied with the answers, began to investigate alternate tunings.

Sources

Worked examples

Example 1 — a first encounter with Heinz Bohlen

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

In research: Heinz Bohlen appears in engineering 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 Heinz Bohlen 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: Heinz Bohlen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1935 births, 2016 deaths, Engineers from Krefeld, so understanding it makes those chapters shorter.
In everyday life: Look for Heinz Bohlen 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 Heinz Bohlen in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Heinz Bohlen 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 Heinz Bohlen out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Heinz Bohlen in simple terms?

Heinz P. Bohlen (26 June 1935 – 2 February 2016) was a microwave electronics and communications engineer.

Why does Heinz Bohlen matter?

Because it connects several engineering 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 Heinz Bohlen?

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 Heinz Bohlen.