Time Lapse Recording Method, R L R L R L R L

CIRCUIT OPERATION

3-2) TIME LAPSE RECORDING METHOD

The numbers of VHS 2HOUR (SP), 6HOUR (EP) REC FIELD are 60 field/sec, then it will be 1FRAME = 33.3Ms, 1FIELD = 16.65Ms.

CAPSTAN MOTOR FG numbers for Time Lapse are 6HOUR(EP) = 720 numbers/sec, 2HOUR(SP) = 720*3=2160 num- bers/sec.

18H(EP) RECORDING (20FIELD/SEC)

2H & 6H (60FIELD/SEC)

16.65ms

(Capstan FG numbers are ; 1SEC:720=16.65ms:X X=12)

18H (20FIELD/SEC) : Recording 1 field per 3 fields 33.3ms

(Capstan FG numbers are ; 1SEC:720=33.3ms:X X=24)

uu-COM controls capstan motor (C I LIMIT) with capstan motor FG numbers. DRUM HEAD ON/OFF controlled by HEAD AMP SW & REC mute signal.

24H(SP) RECORDING (5FIELD/SEC)

:recording 1 field per 12 fields 16.65ms

R L R L R

L R

L R L R L

(Capstan FG numbers are ; 1SEC:720=16.65ms:X X=12)

18H (20FIELD/SEC) : Recording 1 field per 3 fields 16.65ms*10=166.6ms

(Capstan FG numbers are ; 1SEC:2160=166.6ms:X X=36)

uu-COM controls capstan motor (C I LIMIT) with capstan motor FG numbers. DRUM HEAD ON/OFF controlled by HEAD AMP SW & REC mute signal.