Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1975-09-08
1977-06-21
Richardson, Robert L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358111, 250263, H04N 718
Patent
active
040315452
ABSTRACT:
An X-ray inspection system includes a circuit that responds to a high level of opacity for more than a predetermined time interval by providing an alarm signal to alert the inspector of the possibility of concealed contraband. The circuitry also provides a pulse when exceptional opacity is detected for combination with the vertical deflection signal to translate the display of exceptionally opaque objects to a different portion of the viewing screen to facilitate identification of potential contraband without opening the baggage or parcel being inspected.
REFERENCES:
patent: 3049588 (1962-08-01), Barmett
patent: 3758723 (1973-09-01), Green
patent: 3919467 (1975-11-01), Peugeot
patent: 3924064 (1975-12-01), Namura et al.
Annis Martin
Stein Jay A.
American Science & Engineering, Inc.
Cohen Jerry
Coles Edward L.
Hieken Charles
Richardson Robert L.
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