5. 1884- Paul Gottlieb Nipkow made a rotating scanning disk called the Nipkow disk 1907- Boris Rosing used a CRT(Cathode Ray Tube ) in the receiver of a television and transmitted geometrical patterns onto a TV screen 1923- Charles Francis Jenkins invented a mechanical television system that was called radio vision which could transmit moving silhouette images 1924- John Baird based his technology on Nipkow’s scanning disk idea and created the first televised pictures in motion
6. 1924- John Baird based his technology on Nipkow’s scanning disk idea and created the first televised pictures in motion 1926- John Baird televised the first moving image at the Royal Institution, London 1927- Philo T. Farnsworth transmitted a television image that had 60 horizontal lines 1929- BBC broadcasted on the Baird 30-line system which had a play called The Man With the Flower in His Mouth. Vladimir Kosma Zworykin the kinescope and invented the iconoscope