Author / Update

past: liaison engineer (electronic equipment)
present: computer system consultant

Licensed:  the first class wireless technician, Japan 1952
    physics at Ritsumeikan University, Japan 1959
    transistor circuitry at Illinois Institute of Technology, USA 1964

Address:   Sikanodai Minami 2-9-2, Ikoma, Nara, 630-0113 Japan
Phone/Fax:  81-743-72-3121
E-mail: Sorry, our auto mailing is canceled due to too many spams.
   Please type the following address yourself.
(This address will change occasionally.)

Drastic Revision:
Jan, 2007
Jun, 2004
Feb, 2000
Feb, 1997

Aappendix / Practical Calculation
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