science

Grillo telephone

Grillo telephone 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 Grillo telephone rather than just read about it. In short: The Grillo telephone is a 1960s flip-phone telephone from Italy. It was designed by Richard Sapper and Marco Zanuso, and manufactured by Siemens for Italtel.

Key takeaways

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

Reference excerpt

The Grillo telephone is a 1960s flip-phone telephone from Italy. It was designed by Richard Sapper and Marco Zanuso, and manufactured by Siemens for Italtel. Introduced in 1966, the "Grillo" remained in production until 1979, and was a popular and iconic symbol of 1960s Italian design.

Design The modern styling, compact form factor, and automatically opening clamshell design set "Grillo" apart from other telephones that were available at the time. Innovative features that contributed to the phone's compact size include a dial that replaced the conventional rotary finger stop mechanism with a button in each of the number holes which, when actioned, pushed a pin through the back of the dial to stop the mechanism in its correct position. The incorporation of the ringer mechanism into the wall plug rather than the phone itself, as well as the use of a moulded ABS plastic shell helped reduce both the size and weight of the handset. The name "Grillo", which means cricket in Italian, "derives from its shape and its chirping ringtone: an insect-like metallic chirp has replaced the harassing ring." "Grillo" was designed in 1965 by Richard Sapper and Marco Zanuso, who, as a team, also collaborated with Italian companies such as Brionvega, Gavina, Kartell, and Alfa Romeo throughout the 1960s and 1970s. The design was awarded the 1967 Compasso d'oro in Milan and the Gold Medal at the 1968 Ljubljna Biennale of Design (BIO3). Examples are held in many museum collections, including the Museum of Modern Art and the Cooper Hewitt, Smithsonian Design Museum in New York, the Philadelphia Museum of Art, the Israel Museum in Jerusalem, the Pompidou Centre in Paris, and the ADI Design Museum and Museo Nazionale Scienza e Tecnologia in Milan.

The "Grillo" would subsequently influence the design of flip phone mobile telephones developed during the 1990s like the Motorola StarTAC and RAZR, as well other electronic devices such as portable computers and games.

In popular culture The "Grillo" telephone appears in multiple episodes of the original 1960s Mission Impossible television series. The car phone depicted in the early 1970s American television series The Magician is a "Grillo" telephone. Patrizia Reggiani (played by Lady Gaga) uses a "Grillo" telephone in the 2021 film House of Gucci.

Gallery

See also Communicator – Fictional technological device in Star Trek Ericofon – Telephone designed by Swedish company Ericsson Trimphone – 1960s British telephone model Motorola StarTAC – Mobile phonePages displaying short descriptions of redirect targets Motorola RAZR – Series of mobile phones by Motorola Mobility Index of telephone-related articles

Notes

References

Further reading Chiesa, Rosa. (2023)."Telephones in Italy, the Italtel Study-Case". ResearchGate. Archived from the original on 2024-12-03. Retrieved 2025-02-26. Zanella, Francesca; Bosoni, Giampiero; Di Stefano, Elisabetta; Iannilli, Gioia Laura; Matteucci, Giovanni; Messori, Rita; Trocchianesi, Raffaella, eds. (2024). Multidisciplinary Aspects of Design: Objects, Processes, Experiences and Narratives. Springer Series in Design and Innovation. Cham: Springer Nature. ISBN 978-3-031-49810-7.

External links

Grillo Telephone at the ADI Design Museum Telecommunications collection, Museum of Science and Technology, Milan Italian Design Files #15: the Grillo phone by Marco Zanuso and Richard Sapper Design Street (history, archival images) Telefono Grillo: pubblicità vintage (vintage Grillo publicity posters)

Illustrations

Worked examples

Example 1 — a first encounter with Grillo telephone

Start with the simplest possible case. Write down what Grillo telephone 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 Grillo telephone 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 Grillo telephone 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 Grillo telephone

In research: Grillo telephone 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 Grillo telephone 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: Grillo telephone is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1960s in Italy, Collection of the Museum of Modern Art (New York City), Collection of the Musée National d'Art Moderne, so understanding it makes those chapters shorter.
In everyday life: Look for Grillo telephone 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 Grillo telephone in 20 minutes

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

Frequently asked questions

What is Grillo telephone in simple terms?

The Grillo telephone is a 1960s flip-phone telephone from Italy. It was designed by Richard Sapper and Marco Zanuso, and manufactured by Siemens for Italtel.

Why does Grillo telephone 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 Grillo telephone?

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 Grillo telephone.