Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1994-04-11
1995-09-26
Turner, Samuel A.
Optics: measuring and testing
By particle light scattering
With photocell detection
356349, 356 285, 364510, G01B 902
Patent
active
054538343
ABSTRACT:
A device for detecting and measuring analog coherent frequency bursts includes circuitry for digitally translating the bursts upon their detection. Based on a frequency range estimate, a sampling frequency is selected to govern conversion of the analog burst to a sequence of digital values, which are stored to a sequential memory. The digital values later are read out of the memory to a digital-to-analog converter at a predetermined read frequency. The D/A converter output is low-pass filtered to provide a reconstructed analog burst. Sampling rates are selected to limit the frequency range of reconstructed bursts to a single octave, which enables subsequent signal processing with simpler circuitry, for reduced cost and improved accuracy and reliability of measurements obtained.
REFERENCES:
patent: 3777133 (1973-12-01), Beck et al.
patent: 3824015 (1974-07-01), Petit et al.
patent: 3842252 (1974-10-01), Jakeman et al.
patent: 4019038 (1977-04-01), Critten et al.
patent: 4244026 (1981-01-01), Dickey, Jr.
patent: 4329054 (1982-05-01), Bachalo
patent: 4540283 (1985-09-01), Bachalo
patent: 4596254 (1986-06-01), Adrian et al.
patent: 4610540 (1986-09-01), Mossey
patent: 4755795 (1988-07-01), Page
patent: 4786168 (1988-11-01), Meyers et al.
patent: 4799677 (1989-01-01), Frederiksen
patent: 4843564 (1989-06-01), Jenson
patent: 4899289 (1990-02-01), Appel
patent: 4918532 (1990-04-01), O'Conner
patent: 4967272 (1990-10-01), Kao et al.
patent: 4973969 (1990-11-01), Jenson
patent: 4986659 (1991-01-01), Bachalo
patent: 5005144 (1991-04-01), Nakajma et al.
patent: 5179418 (1993-01-01), Takamiya et al.
patent: 5267011 (1993-11-01), Callender
Niebuhr Frederick W.
Turner Samuel A.
LandOfFree
Digital burst frequency translator does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Digital burst frequency translator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital burst frequency translator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1554925