![]() ![]() Latimer, the son of formerly enslaved people, began work in a patent law firm after serving in the military for the Union during the Civil War. ![]() The light bulb itself was perfected by Thomas Edison, but the innovation used to create longer-lasting light bulbs with a carbon filament came from African American inventor Lewis Latimer. Carbon Light Bulb Filament, Invented by Lewis Latimer in 1881 Only four years later, the new microphone was in wide production and was being used in hearing aids, tape recorders, most telephones and baby monitors. Two years after it was invented, the final model of the microphone was developed and in 1964 they patented the landmark invention. West was tasked with creating a more sensitive and compact microphone while working at Bell Labs in 1960.Īlong with his German colleague Gerhard Sessler, West invented the foil electret microphone, which was considerably less expensive to produce than the typically used condenser microphones. And the vast majority of microphones used today, including the microphones used in phones and cameras, use a microphone co-invented by a Black man. ![]() West in 1964Įven for those who aren’t quick to pick up the mic during karaoke, microphones are used every day to communicate over distances far and wide. WATCH NOW Electret Microphone, Co-Invented by James E. The camera’s view would then appear on a monitor in her home so she could survey any potentially unwanted guests. In 1966, Brown invented a system that used a camera that could slide into and look through four peepholes in her front door. So she created a device that would help put her mind at ease. On top of that, the police were unreliable and unresponsive. She spent many nights at home alone in Queens, New York while her husband was away, and felt unsafe with high rates of crime in her neighborhood. Home Security System, Co-Invented by Mary Van Brittan Brown in 1966īefore security systems became a fixture in homes, an African American nurse Mary Van Brittan Brown, devised an early security unit for her own home. Boone’s design would morph into the modern ironing board that we use today. With Boone’s 1892 additions, the board featured a narrower and curved design, making it easier to iron garments, particularly women’s clothing. history to receive a patent, she expanded upon the original ironing board, which was essentially a horizontal wooden block initially patented in 1858. In the late 19th century, it was improved upon by Sarah Boone, an African American woman who was born enslaved. The ironing board is a product that’s used possibly just as much as it’s overlooked. George Washington Carver Improved Ironing Board, Invented by Sarah Boone in 1892 ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |