Scanning frequency synchronization method and apparatus

Details Scanning frequency synchronization method and apparatus Scanning frequency synchronization method and apparatus

1985-09-09

1988-10-25

Griffin, Robert L.

Pulse or digital communications

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375108, 307511, 328 55, 328155, H03L 700, H03K 522

Patent

active

047808926

ABSTRACT:
Using the inventive method and apparatus, two scanning sequences can be synchronized with small signal delays and at the smallest possible apparatus expense. The time differences between associated scanning values or signals of the two scanning sequences are compensated by alternatingly delaying relative to each other the scanned values or signals and interpolating between the scanned values or signals of one of the two scanning sequences. The apparatus for carrying out the synchronizing operation comprises a storage for producing the delays and a filtering device for performing the interpolation.

REFERENCES:
patent: 4147895 (1979-04-01), Fenoglio
patent: 4349914 (1982-09-01), Evans
patent: 4429386 (1984-01-01), Graden
patent: 4460890 (1984-07-01), Busby

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