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computer science

Plantronics

Plantronics is a computer 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 Plantronics rather than just read about it. In short: Plantronics, Inc. is an American electronics company producing audio communications equipment for business and consumers. Its products support unified communications, mobile use, gaming and music.

Plantronics — main illustration
Plantronics — illustration

Key takeaways

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

Reference excerpt

Plantronics, Inc. is an American electronics company producing audio communications equipment for business and consumers. Its products support unified communications, mobile use, gaming and music. Plantronics is headquartered in Santa Cruz, California, and most of its products are produced in China and Mexico. On March 18, 2019, Plantronics announced that it would change its name to Poly following its acquisition of Polycom, although it continues to trade on the New York Stock Exchange as Plantronics, Inc. (POLY; listed as PLT until May 24, 2021). On March 28, 2022, HP Inc. announced its intent to acquire Poly for $1.7 billion in cash as it looks to bolster its hybrid work offerings, such as headsets and videoconferencing hardware. Including debt, the deal valued at $3.3 billion and closed in August 2022.

History In the early 1960s, airline headsets were so large and cumbersome that many pilots had switched back to the use of handheld microphones for communications. The speed and complexity of jet airliners caused a need for the introduction of small, lightweight headsets into the cockpit. In 1961, United Airlines solicited new designs from anyone who was interested. Courtney Graham, a United Airlines pilot, was one of the many who thought the heavy headsets should be replaced by something lighter. He collaborated with his pilot friend Keith Larkin to create a small, functional design which was robust enough to pass airlines standards. (Larkin had been working for a small company called Plane-Aids, a Japanese import company which offered spectacles and sunglasses that contained transistor radios in their temple pieces.) The final design, incorporating two small hearing aid-style transducers attached to a headband was submitted to United Airline approval. UAL's approval of the innovative design caused Graham and Larkin to incorporate as Pacific Plantronics (now called Plantronics, Inc.) on May 18, 1961. They introduced the first lightweight communications headset, the MS-50, to the commercial marketplace in 1962. In the mid-1960s, the Federal Aviation Agency selected Plantronics as the sole supplier of headsets for air traffic controllers, and thereafter was selected to supply headsets to the operators of the Bell System.

SPENCOMM and NASA In 1961, NASA astronaut Wally Schirra contacted Courtney Graham, a fellow pilot, to discuss creating a design for a small, lightweight headset to be used in the Mercury spacecraft. Pacific Plantronics assembled its Space Environmental Communications (SPENCOMM) division to begin working on a reliable solution. SPENCOMM personnel traveled to NASA's Manned Spacecraft Center (now Johnson Space Center) and Kennedy Space Center to meet with and get design feedback from Schirra and several other astronauts, including Gordon Cooper.

Together, SPENCOMM and NASA spent only 11 days to create a working microphone design for space communications and Schirra was the first to use the new communication technology during the Mercury-Atlas 8 mission. Significant redundancy was built into these headsets, as each microphone circuit had two transducers and each receiver had five transducers—in addition, the headsets were used in pairs. The use of these SPENCOMM-NASA headsets in astronaut space suits continued through the remainder of the Mercury program, the Apollo program and on to this day. The words spoken by U.S. astronaut Neil Armstrong as he stepped on the Moon were transmitted through a Plantronics headset.

MS-50 Following the Pacific Plantronics partnership with NASA in the Space Program, the MS-50 headset gained recognition in the communication marketplace. The FAA, Western Electric, and companies with telephone call centers adapted the MS-50 as a replacement for existing headsets. On May 18, 1965, U.S. Pat. No. 3,184,556 was issued to W. K. Larkin for a

miniaturized headset wherein a hearing-aid size microphone transducer and a similarly miniaturized transducer are placed in a capsule mounted near the user's ear; speech is conducted to the microphone via an acoustic tube positioned near the user's mouth, while incoming communications emanating from the receiver are conducted to the user's ear via a second acoustic tube.

StarSet In 1970, Ken Hutchings, an engineer who had joined Pacific Plantronics, patented a device which was marketed as the "StarSet". United States Patent 3548118 describes A self-supporting headset having a housing which accommodates a receiver and microphone. A flexible acoustic tube adapted to communicate between the auditory canal of the ear of the user and the receiver secured to the bottom of the housing, and an adjustable acoustic tube secured to the top of the housing with its distal end adapted to be disposed adjacent to the mouth of the user to transmit sound to the microphone.

Wireless products

In the 1980s, Plantronics created a line of cordless products using infrared technology. Though the technology utilized was the same one being used by television remote controls, the link did not require a Federal Communications Commission (FCC) telecommunications approval. One of the first products used the infrared beam to create a communications link between a small transmitter and a base unit which was connected to the telephone network. This product was the first "echo-free" speakerphone for use in conference rooms. The small transmitter could be handheld or clipped to clothing to ensure a good pickup of the speaker's voice.

Wireless office headsets In 2003, Plantronics introduced the CS50 wireless headset for use on office phones. Since that time, Plantronics has manufactured other wireless headsets, including the "CS70N", CS500 Series, and Savi 700 Series. In recent years there has also been strong focus on Unified Communications headsets and speakers.

Mobile and Bluetooth mobile headsets

Plantronics manufactures mobile headsets, including a line of Bluetooth headsets for mobile phones. The Pulsar 590, for example, is designed for use with Bluetooth- and A2DP-enabled cellphones.

… excerpt ends here. Continue reading the full article.

Illustrations

Plantronics: Early Plantronics headset
Early Plantronics headset
Plantronics: Neil Armstrong with Plantronics headset
Neil Armstrong with Plantronics headset
Plantronics: Plantronics StarSet patent drawing showing proposed use of invention
Plantronics StarSet patent drawing showing proposed use of invention
Plantronics: Plantronics office headset on its charger
Plantronics office headset on its charger
Plantronics: Plantronics BackBeat PRO 2 box
Plantronics BackBeat PRO 2 box

Worked examples

Example 1 — a first encounter with Plantronics

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

In research
Plantronics appears in computer 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 Plantronics 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
Plantronics is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1961 establishments in California, 2022 mergers and acquisitions, American companies established in 1961, so understanding it makes those chapters shorter.
In everyday life
Look for Plantronics 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 Plantronics in 20 minutes

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

Frequently asked questions

What is Plantronics in simple terms?

Plantronics, Inc. is an American electronics company producing audio communications equipment for business and consumers. Its products support unified communications, mobile use, gaming and music.

Why does Plantronics matter?

Because it connects several computer 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 Plantronics?

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 Plantronics.

Tags

  • 1961 establishments in California
  • 2022 mergers and acquisitions
  • American companies established in 1961
  • Audio equipment manufacturers of the United States
  • Bluetooth
  • Companies based in Santa Cruz, California
  • Companies formerly listed on the New York Stock Exchange
  • Computer companies of the United States
  • Computer hardware companies
  • Electronics companies established in 1961
  • Headphones manufacturers
  • Hewlett-Packard acquisitions

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