G04R20/28 - CPC Classification Index

ClassID:

179878 ⎘

G04R20/28 - CPC Classification

Classification description:

Setting the time according to the time information carried or implied by the radio signal the radio signal being a near-field communication signal Tuning or receiving; Circuits therefor

Recent Application in this class:

20210247724

2021-08-12

Radio-controlled timepiece, system, and method for controlling radio-controlled timepiece

20210157279

2021-05-27

Time Correction Method, And Time Correction System

20200103832

2020-04-02

Timepiece, control method for change of time, and storage medium

20200064859

2020-02-27

Hardware centralized time synchronization hub for an autonomous driving vehicle

20190250567

2019-08-15

AUTOMATIC REGULAR TIME SERVICE METHOD AND TIME SERVICE SYSTEM FOR POINTER TYPE INTELLIGENT CLOCK

20190243313

2019-08-08

INDICATORS FOR EXTERNAL VARIABLES CONSISTING OF SINGULAR AND MULTIPLE DEPLETION CELLS

20170199501

2017-07-13

Supporting Virtually Simultaneous Operation of Dual Wireless Protocols in a Single Device

20160299475

2016-10-13

Communication system, electronic timepiece, and communication device

20160070237

2016-03-10

Indicators for external variables consisting of singular and multiple depletion cells

#10

20150277387

2015-10-01

Electronic timepiece

#11

20130311135

2013-11-21

Multipoint simultaneous measurement method and multipoint simultaneous measurement system in electric power station, and internal clock used therefor

#12

20070242569

2007-10-18

Wristwatch

#13

20050105401

2005-05-19

Time correction system, time correction instruction device, pointer type timepiece, and time correction method