CP-70/80 patent numbers

[Steven Kruyswijk]

Hi John and Delwin,

Thanks for those suggestions, much appreciated! I'll check out the
Baldwin Electropiano. 

Cheers, Steven

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Delwin D Fandrich
Sent: maandag 2 juni 2003 1:34
To: Pianotech
Subject: Re: CP-70/80 patent numbers



----- Original Message -----
From: "Steven Kruyswijk" <steven@www2.hku.nl>
To: <pianotech@ptg.org>
Sent: May 31, 2003 8:42 AM
Subject: CP-70/80 patent numbers


> Hi all,
>
> I'm a Dutch Audio Design student (and parttime Rhodes technician) 
> currently graduating on the subject of the Yamaha CP series 
> electro-mechanical pianos.
>
> For my research, I'd really like to read the patents about the 
> innovations in the CP pianos at www.uspto.gov, but a search there 
> hasn't been very productive. The online original manuals at 
> http://www2.yamaha.co.jp/manual/english/index.html weren't much help 
> either.

Steven,

You might check on patents issued to The Baldwin Piano & Organ Company.
The Yamaha CP-??? series seems to have been based largely on technology
developed originally by Baldwin for their disastrous Electro-Piano
concept. Brilliant idea, miserable execution.

Del

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