[time-nuts] HP K34-59991A

Daun Yeagley daun at yeagley.net
Wed Feb 2 09:38:47 EST 2005

Tom, why doesn't it surprise me that you would know the patent number!

Daun Yeagley

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
Behalf Of Tom Van Baak
Sent: Wednesday, February 02, 2005 6:47 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] HP K34-59991A

> The manager who hired me at HP in 1979, Mike Fischer, invented the
> circuit in that phase comparator.  You can read his patent if
> you are interested in the theory of it.  (No, I don't have the
> patent #).
> Rick Karlquist


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