Pulse generator for solid-state television camera

Claim 1

A pulse generator circuit for a solid-state television camera comprising: first means for producing pulses of a horizontal scanning frequency, said first means including an oscillator for generating clock pulses, a shift register driven by said clock pulses, said shift register having a number of stages sufficient for dividing a frequency of the clock pulses into the horizontal scanning frequency, said shift register having an output terminal thereof connected with an input terminal thereof so as to form a ring counter circuit, and a pulse generator for generating a pulse to be applied to said input terminal of said shift register for transfer through said shift register; second means for producing pulse trains of the horizontal scanning frequency for the television camera, said pulse trains being produced in response to a plurality of pulses extracted from the stages of said shift register having frequencies which are the same as the horizontal scanning frequency and phases which are different from each other; third means for producing pulses for interlace scanning, said third means including a divider circuit for dividing the pulse train of the horizontal scanning frequency obtained from said second means so that said pulse train is alternately divided by two different factors n and n+1 (n being a positive integer), and delay means for delaying said pulse divided by n for one half of the horizontal scanning time period.