Efratom Time and Frequency Products, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5656189 Heater controller for atomic frequency standardsDec 02, 94Aug 12, 97[H05B]
5491451 Method and apparatus for reduction of atomic frequency standard phase noiseNov 17, 94Feb 13, 96[H03L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5721514 Digital frequency generation in atomic frequency standards using digital phase shiftingExpiredJul 11, 96Feb 24, 98[H03L, H03B]
5714910 Methods and apparatus for digital frequency generation in atomic frequency standardsExpiredDec 19, 94Feb 03, 98[H03L]
5627497 Resonator package for atomic frequency standardExpiredFeb 16, 96May 06, 97[H03B]

Top Inventors for This Owner

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