Technology Use 1970s

  • Pulsar LED Digital Watch

    Pulsar LED Digital Watch
    The first Pulsar LED digital watch was developed jointly by Hamilton Watch Company and Electro-Data, founded by George H. Thiess. The innovative re-chargeable watch began the evolution of digital watches, including the idea of digital calculator watches which were introduced by Pulsar in 1975 and the smartwatches that we use today. [https://pabook.libraries.psu.edu/literary-cultural-heritage-map-pa/feature-articles/pulsar-revolution-display-technology]
  • The World's First Microprocessor

    The World's First Microprocessor
    The Microprocessor was a general purpose CPU on a single chip created by Intel 4004. The four inventors of this device include Masatoshi Shima, Ted Hoff, Stanley Mazor, and Frederico Faggin. The microprocessor improved the use for transistors and went on to support a Japanese calculator manufacturer called Busicom. [https://spectrum.ieee.org/tech-history/silicon-revolution/chip-hall-of-fame-intel-4004-microprocessor]
  • First Handheld Cell Phone

    First Handheld Cell Phone
    The first handheld cell phone was produced by the Motorola Company. Martin Cooper was the leader of the team who invented the cell phone. He was also the first to demonstrate a call using the phone as seen in the image below. The first cell phone was heavy and expensive to many customers, however, it has become smaller, cheaper and more portable over the many years since its invention. [https://www.aarp.org/politics-society/history/info-2018/first-cell-phone-call.html]
  • First Digital Camera

    First Digital Camera
    The first digital camera was invented by Steven Sasson while working for Eastman Kodak. This device has led to the photos we take on our cameras today, the advancement of photography, and digital images in general. [https://lens.blogs.nytimes.com/2015/08/12/kodaks-first-digital-moment/]
  • Portable Cassette Player

    Portable Cassette Player
    Although it wasn't the first cassette player ever made, the Sony Walkman sold well as a portable cassette player. Norio Orga (in the image below) created the first prototype on behalf of co-company owner Masaru Ibuka's request. As of today, not many people still use cassettes, however, the invention of the Walkman has changed the way we listen to music by allowing individuals to listen on the go instead of at home or in their car. [https://www.theverge.com/2014/7/1/5861062/sony-walkman-at-35]