Video cassette recorder with automatic time setting function

摘要

A video cassette recorder (VCR) with automatic time setting function which exhibits a receiving circuit for receiving a radio wave time signal from a transmitting station, a wave shaping circuit for converting the time signal from the receiving circuit into a digital signal, a decoder for decoding the digital time data from the wave shaping circuit, a memory for storing the decoded time data frame by frame from the decoder, a frame detector for detecting a starting point of each frame of the time data from the wave shaping circuit and resetting the time data of a frame previously stored in the memory after detection of the starting point, a tuning device for tuning radio wave audio and video signals from the transmitting station to a reference frequency, a control unit for controlling the overall operation of the VCR and converting the time data into the time, a screen display unit for inserting a timer signal or the time into the video signal from the tuning device under control of the control unit and outputting the resultant signal to an external display unit, a symbol display unit for displaying the time from the control circuit and a keypad unit for supplying a function signal "summertime display" or a function signal "time signal on" to the control unit in accordance with the user's selection.