Information signal processing apparatus

Details Information signal processing apparatus Information signal processing apparatus

1988-10-11

1990-03-20

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 11, H04N 947, H04N 986, H04N 1122

Patent

active

049105876

ABSTRACT:
An apparatus for processing a sequential information signal in which a plurality of kinds of information signals having different offset levels according to the kind of information are sequentially allocated at a predetermined period. When the sequential information signal is input, the offset levels of information signals constituting the sequential information signal are each detected in synchronization with first timing signals generated in synchronization with a second timing signal. On the basis of the result of detection, it is determined whether there is any abnormality in the sequential information signal, and, in accordance with the result of this detection, the action for generating the first timing signals is controlled. By virtue of this arrangement, even when an abnormality has occurred in the input sequential information signal, it is possible to stably discriminate the kind of each information signal constituting the sequential information signal.

REFERENCES:
patent: 4623914 (1986-11-01), Kuribayashi

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