G04R20/22 - CPC Classification Index

ClassID:

179875 ⎘

G04R20/22 - CPC Classification

Classification description:

Setting the time according to the time information carried or implied by the radio signal the radio signal being an AM/FM standard signal, e.g. RDS Tuning or receiving; Circuits therefor

Recent Application in this class:

20130124587

2013-05-16

Circuit for a radio system, use and method for operation

20100165795

2010-07-01

Medical device with automatic time and date correction

20100091923

2010-04-15

Circuit for a radio system, use and method for operation

20060286950

2006-12-21

Mobile radio receiver with improved real-time precision

16233771

2019-11-05

Electronic timepiece and control method of electronic timepiece