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Technology Stocks : Ampex Corporation (AEXCA)
AMPX 12.44-8.4%Jan 30 9:30 AM EST
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To: Merlin who wrote (787)9/25/1997 2:51:00 PM
From: Gus   of 17679
 
RE: Ampex vs Mitsubishi

Claim 83 of Patent No. 4,212,027 is the battleground of this case.

TIME BASE COMPENSATOR
patent.womplex.ibm.com

Claim 83. Apparatus for changing the time-base of a digital information signal having a time-base synchronizing component, comprising:

[Element 1] a randomly addressable digital store having addressed storage locations for receiving and storing successive intervals of the digital information;

[Element 2] means for effecting the storage of successive portions of each interval of the digital information signal at different addressed storage locations of the digital store at times determined by a clock signal;

[Element 3] means for effecting retrieval of the stored portions of the information signal from addressed storage locations at times determined by said clock signal;

[Element 4] and means responsive to the time-base synchronizing component of the information signal and a time-base reference signal for providing a control signal representative of the time difference between the synchronizing component and the reference signal;

[Element 5] and means responsive to said control signal for adjusting during each interval of the digital information signal the time between effecting storage of each portion of the digital information signal at an address and effecting retrieval of said portion from said address.

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