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When was the SMPS power supply invented?

Discussion in 'Electronic Design' started by .:: Evanescence ::., Jul 21, 2004.

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  1. Hello people.

    When was the first SMPS (switching) power supply invented?
    Was it invented when the color TV was created, the first computer was
    created [1], or what?

    [1] I don't know... the first computers used the linear power supply,
    and obvious that tube-based computers weren't using switch mode power
    supplies.

    Thanks.


    Sorry for my bad english... :-/
     
  2. I read in sci.electronics.design that .:: Evanescence ::.
    Most of these techniques were invented 80 or more years ago. Certainly,
    the DC/DC converters for car radios, using vibrators, operated in
    'switch mode', and they were clearly a well-developed technique when
    introduced in the 1930s.
     
  3. legg

    legg Guest

    Electromechanical rectifiers and inverters were in use in the days of
    Edison and also in rotating machines.

    The switches were switches.

    Operating principles were also used in RF transmitters and detectors.

    RL
     
  4. Barry Lennox

    Barry Lennox Guest

    snip

    "Electrical Condensors" by Coursey, 1926, talks of HF welding and
    furnaces as if these techniques had been around quite a while then.

    Barry Lennox
     
  5. Yzordderex

    Yzordderex Guest

    Did anyone mention the automobile ignition being a flyback?

    regards,
    Bob
     
  6. Yzordderex

    Yzordderex Guest

    Isn't it strange how the meaning of a simple word can change so
    drastically over a 50 year period.

    regards,
    Bob
     
  7. [/QUOTE]

    Actually in the late Victorian period there were vibrators advertised
    for medicinal purposes, the same way they advertised electromagnets.
    Ladies would go to doctors for vibrator treatments.
     
  8. Richie

    Richie Guest

    Were they single, or just too slack ;-)
     
  9. Richie

    Richie Guest

    Sorry, wrong thread.
     
  10. Richie

    Richie Guest

    Or not. Gee I really gotta stop with these painkillers.
     
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