Post by Kaz ~:~ on Nov 12, 2016 13:49:51 GMT -6
Mechanics
Basic mechanism of operating a 2-dimensional plotter. The numbered components correspond to those that move the stylus horizontally, and the lettered components with those that move it vertically. The device has ten pulleys, six cables, two rails, and a stylus. Pulley 1 (single-groove) connects to pulley 2 (triple-groove) via a short infinite reciprocating cable. Pulley 2 connects to 3 (also triple-groove) via a longer reciprocating cable attached along its upper course to one end of the vertical rail (6), and then a third cable runs from 2 to 3, 4, and 5 (4 and 5 are single-groove) via another much longer loop of cable between 4 and 5 to the other end of the vertical rail. Likewise, A connects to B, B connects to C and attaches to the horizontal rail (F), and finally B connects to C, D, and E, attaching to F at its other end between D and E. Turning pulley 1 counterclockwise makes 2 rotate the same way, and this makes all pulleys connected to 2 (3, 4, and 5) do the same. The rail these cables connect to (6, connection points marked in red) move to the left both at ends, making the stylus move in the same direction along the other rail (F). Clockwise movement of pulley 1 has the opposite effect. Pulleys A-E operate the same as 1-5, and act on the horizontal rail (F) to slide the stylus up and down along the vertical one .
The toy is a kind of plotter. The inside surface of the glass screen is coated with aluminium powder, which is then scraped off by a movable stylus, leaving a dark line on the light gray screen. The stylus is controlled by the two large knobs, one of which moves it vertically and the other horizontally. Turning both knobs simultaneously makes diagonal lines. To erase the picture, the user turns the toy upside down and shakes it. Doing this causes polystyrene beads to smooth out and re-coat the inside surface of the screen with aluminum powder. The "black" line merely exposes the darkness inside the toy. Filling in large "black" areas allows enough light through to expose parts of the interior.
History
The Etch A Sketch toy was invented in the late 1950s by André Cassagnes, an electrician with Lincrusta Co, who named the toy L'Ecran Magique (The Magic Screen). In 1959, he took his drawing toy to the International Toy Fair in Nuremberg, Germany. The Ohio Art Company saw it but had no interest in the toy. When Ohio Art saw the toy a second time, they decided to take a chance on the product. L'Ecran Magique was soon renamed the Etch A Sketch and became the most popular drawing toy in the business. After a complex series of negotiations, The Ohio Art Company launched the toy in the United States in time for the 1960 Christmas season with the name "Etch A Sketch". Ohio Art supported the toy with a televised advertising campaign.
Etch A Sketch was manufactured in Bryan, Ohio until the company moved the manufacturing plant to Shenzhen, China in 2001.
In France, its country of origin, Etch A Sketch was sold under the name of "Télécran", rather than L'Ecran Magique.
In February 2016 the rights to the Etch A Sketch name and design were acquired by Toronto-based Spin Master Corporation.
Basic mechanism of operating a 2-dimensional plotter. The numbered components correspond to those that move the stylus horizontally, and the lettered components with those that move it vertically. The device has ten pulleys, six cables, two rails, and a stylus. Pulley 1 (single-groove) connects to pulley 2 (triple-groove) via a short infinite reciprocating cable. Pulley 2 connects to 3 (also triple-groove) via a longer reciprocating cable attached along its upper course to one end of the vertical rail (6), and then a third cable runs from 2 to 3, 4, and 5 (4 and 5 are single-groove) via another much longer loop of cable between 4 and 5 to the other end of the vertical rail. Likewise, A connects to B, B connects to C and attaches to the horizontal rail (F), and finally B connects to C, D, and E, attaching to F at its other end between D and E. Turning pulley 1 counterclockwise makes 2 rotate the same way, and this makes all pulleys connected to 2 (3, 4, and 5) do the same. The rail these cables connect to (6, connection points marked in red) move to the left both at ends, making the stylus move in the same direction along the other rail (F). Clockwise movement of pulley 1 has the opposite effect. Pulleys A-E operate the same as 1-5, and act on the horizontal rail (F) to slide the stylus up and down along the vertical one .
The toy is a kind of plotter. The inside surface of the glass screen is coated with aluminium powder, which is then scraped off by a movable stylus, leaving a dark line on the light gray screen. The stylus is controlled by the two large knobs, one of which moves it vertically and the other horizontally. Turning both knobs simultaneously makes diagonal lines. To erase the picture, the user turns the toy upside down and shakes it. Doing this causes polystyrene beads to smooth out and re-coat the inside surface of the screen with aluminum powder. The "black" line merely exposes the darkness inside the toy. Filling in large "black" areas allows enough light through to expose parts of the interior.
History
The Etch A Sketch toy was invented in the late 1950s by André Cassagnes, an electrician with Lincrusta Co, who named the toy L'Ecran Magique (The Magic Screen). In 1959, he took his drawing toy to the International Toy Fair in Nuremberg, Germany. The Ohio Art Company saw it but had no interest in the toy. When Ohio Art saw the toy a second time, they decided to take a chance on the product. L'Ecran Magique was soon renamed the Etch A Sketch and became the most popular drawing toy in the business. After a complex series of negotiations, The Ohio Art Company launched the toy in the United States in time for the 1960 Christmas season with the name "Etch A Sketch". Ohio Art supported the toy with a televised advertising campaign.
Etch A Sketch was manufactured in Bryan, Ohio until the company moved the manufacturing plant to Shenzhen, China in 2001.
In France, its country of origin, Etch A Sketch was sold under the name of "Télécran", rather than L'Ecran Magique.
In February 2016 the rights to the Etch A Sketch name and design were acquired by Toronto-based Spin Master Corporation.
