Time-lapse Video Recorder Automatic Recording Time Recognition

摘要

An apparatus for automatically recognizing a recording time of a timelapse video recorder is disclosed. The apparatus includes a buffer for removing signal pulses of a trigger pulse output from the TLV or noise carried by a trigger pulse for switching a signal of the connection switch means and improving the signal driving capability of the next stage; A retriggerable monostable multivibrator for detecting presence or absence of a trigger signal in a signal output from the buffer; A pulse period comparator for comparing the period of the trigger signal output from the buffer with a predetermined reference value to determine a recording mode of the TLV; And a recording mode determiner for determining a recording mode by combining the output data of the monostable multivibrator and the pulse period comparator.;According to the present invention, if the recording time of the normal state and the abnormal state is set in the program only in the TLV, the connection switcher determines the current state and automatically outputs a signal corresponding thereto, thereby obtaining the accuracy and convenience of the system Can be.