COLOR TELEVISION DISPLAY DEVICE WITH INDEX TYPE CATHODE RAY TUBE

摘要

A color television picture display device including an indexing tube and a frequency divider circuit for related indexing wherein a run-in circuit of this frequency divider circuit includes a trigger circuit so as to avoid phase uncertainty which trigger circuit establishes the end of the run-in signal applied to the frequency divider circuit always after one full period thereof and wherein consequently a digital frequency divider circuit may be used fruitfully.