| 摘要 |
PURPOSE:To record surely still pictures continuously with an electronic camera driven with a low voltage by transmitting the rotation of a DC motor, whose rotation is limited, to a head access mechanism through an interrupted driving mechanism and recording the video signal of one field during the head access stop time which is detected by the rotation of the DC motor. CONSTITUTION:A head access motor is the DC motor which turns interruptedly a cam driving gear 10. The rotation detection output of the head access motor is inputted to an input D of a flip-flop 37 to which an output M of a monostable multivibrator 36, which sets the metastable-state time of the video signal, is inputted as a clock input, and this flip-flop 37 rise at the rotating start of a recordable period, and the output M is inputted as a clock input to a flip-flop 38 to which an output Q1 of the flip-flop 37 is inputted as a data input, and the flip-flop 38 rise at the recording end after one field. The output Q1 and the inverted output Q2 are inputted to an AND circuit A1 to lead out a recording indication output G of one field, and this output is inputted to an AND circuit A2 together with outputs S3 and S4, which detect the engagement of a driving hub with a ring, to operate a recording amplifying circuit 39. Consequently, one-field components of recording signal are led out from the circuit 39 to form surely a single recording track. |
