Televisor

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/televisor

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the core scanning technology?Nipkow disk, patented in 1884
2. What is the prominent developer?John Logie Baird
3. How did the televisor show moving pictures?It broke an image into many lines, sent each line one after another, and the receiver put them back together to make moving pictures.
4. Who invented the part that scanned images in a televisor?Paul Nipkow invented the Nipkow disk, a perforated disc that spins and scans images for a televisor.

Cathode Ray Tube (CRT): An electronic vacuum tube used in older televisions to display images by directing an electron beam onto a screen.
Synchronization: The process of aligning the timing of two or more signals or devices, crucial for reconstructing images in television.
Proof-of-Concept: An experiment or demonstration that shows a proposed idea or technology is feasible and can work.