Recorder
First Claim
1. A recording apparatus that records into a memory image signals output from a surveillance camera, comprising:
- an inputting means that inputs an alarm signal generated from outside when a trouble occurs to a subject under surveillance;
a first recording means that records said image signals into said memory in a cyclical manner when said alarm signal is not input;
a setting means that sets overwrite prohibiting areas on said the memory when said alarm signal is input; and
a second recording means that records said image signals into said memory in such a manner as to avert the overwrite prohibiting areas.
1 Assignment
0 Petitions
Accused Products
Abstract
A recording apparatus includes a recording medium 4 formed with a plurality of unit memory areas thereon. When no alarm signal is generated, a recording circuit 3 writes image signals into the unit memory areas in a cyclical manner. When the alarm signal is generated, the recording circuit 3 overwrites the image signals into the unit memory areas, which are intermittently present. Although a frame rate of the image signals at a time of writing is always 10 fps irrespective of the alarm signal, one portion of the image signals written before generating the alarm signal is deleted by the overwriting, which is after generating the alarm signal. The frame rate of the image signal that is remained as a result of not being overwritten decreases to 2 fps.
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Citations
8 Claims
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1. A recording apparatus that records into a memory image signals output from a surveillance camera, comprising:
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an inputting means that inputs an alarm signal generated from outside when a trouble occurs to a subject under surveillance;
a first recording means that records said image signals into said memory in a cyclical manner when said alarm signal is not input;
a setting means that sets overwrite prohibiting areas on said the memory when said alarm signal is input; and
a second recording means that records said image signals into said memory in such a manner as to avert the overwrite prohibiting areas. - View Dependent Claims (2)
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3. A recording apparatus that records image signals into a recording medium formed with a plurality of unit areas thereon, comprising:
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a determining means that determines whether or not an alarm signal is generated;
a first writing means that writes said image signals into said plurality of unit areas in a cyclical manner when said alarm signal is not generated; and
a second writing means that writes said image signals into said unit areas intermittently present when said alarm signal is not generated. - View Dependent Claims (4, 5, 6, 7, 8)
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Specification