Correct, CDMA was not 'invented' during WWII. Did you realize that the
original idea of 'frequency-agile communications' was dreamed up by an
actress ? Marlena Dietrich (sp?) IIRC.
Paul Nuernberger
> From: speedy2 <speedy2_at_dag.net>
>
> On Tue, 8 Jan 2002, BK wrote:
>
>>
>> Cellular telephony has been invented and patented by AT&T in the early
>> 1950s. CDMA has been invented in the early 1940s and used by allied
>> forces in WWII as a secure means of radio communications. CDMA was
>> hi-tech in the 1940s. Cellular telephony in the 1950s.
>
> Strictly speaking, it was not CDMA that was "invented" by more correctly
> the discovery in the use of frequency-hopping techniques for transmission.
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