Video signal regenerator

Abstract

Abstract PURPOSE:To obtain a variable-speed-mode regenerated signal free from noises, by storing a memory means with the digital video signal that corresponds to a part having an invariably large S/N ratio. CONSTITUTION:A regenerated signal from regenerative amplifier 2 is suppied to envelope detecting circuit 9, whose detection output is supplied to switching signal generating circuit 10 and a switching signal which is the output of circuit 10 is supplied to switch means 7. Thus, level detecting means 8 is constituted. When the level of the variable-speed-mode regenerated signal is greater than a reference value the regenerated signal is supplied as a write signal to memory means 1 and when smaller, a readout signal from memory means 1 is supplied as a write signal to memory means 1. Thus, switch means 7 is change over.

Inventors

• 👤 Ichitaro Sato

Bibliographic Details