H03J7/24 - CPC Classification Index

ClassID:

221238 ⎘

H03J7/24 - CPC Classification

Classification description:

Automatic frequency control; Automatic scanning over a band of frequencies; Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes

Sub-classes:

H03J7/26 » in which an automatic frequency control circuit is brought into action after the scanning action has been stopped 2

Recent Application in this class:

20050096003

2005-05-05

Reverse electronic tuning circuit for FM radio frequency-lock-loop circuits