John A. Geen

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Bracknell, GB

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Patents Grantslast 30 patents

Information Patent Grant
Analog-to-digital conversion
- Patent number 4,839,650
- Issue date Jun 13, 1989
- British Aerospace Public Limited Company
- John A. Geen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog-to-digital conversion apparatus with dither signal
- Patent number 4,764,748
- Issue date Aug 16, 1988
- British Aerospace Public Limited Company
- John A. Geen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple axis ring laser gyroscopes
- Patent number 4,762,415
- Issue date Aug 9, 1988
- British Aerospace PLC
- John A. Geen
- G01 - MEASURING TESTING
Information Patent Grant
Ring laser gyroscopes
- Patent number 4,653,920
- Issue date Mar 31, 1987
- British Aerospace PLC
- John A. Geen
- G01 - MEASURING TESTING
Information Patent Grant
Dithered ring laser gyroscope with residual lock-in error compensation
- Patent number 4,606,637
- Issue date Aug 19, 1986
- British Aerospace Public Limited Company
- John A. Geen
- G01 - MEASURING TESTING
Information Patent Grant
Detection of movement of a cyclic interference waveform, such as in...
- Patent number 4,595,293
- Issue date Jun 17, 1986
- British Aerospace Public Limited Company
- John A. Geen
- G01 - MEASURING TESTING
Information Patent Grant
Oscillatory drive mechanisms for a ring laser gyro
- Patent number 4,565,941
- Issue date Jan 21, 1986
- British Aerospace PLC
- Peter C. Ridgway
- G01 - MEASURING TESTING