G04D7/1207 - CPC Classification Index

ClassID:

179664 ⎘

G04D7/1207 - CPC Classification

Classification description:

Measuring, counting, calibrating, testing or regulating apparatus; Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring

Sub-classes:

G04D7/1214 » {for complete clockworks} 7
G04D7/1235 » {for the control mechanism only (found from outside the clockwork)} 0

Recent Application in this class:

20200096951

2020-03-26

Method for adjusting the mean frequency of a time base incorporated in an electronic watch

20170139377

2017-05-18

Method for testing the rate of a quartz watch

20150053007

2015-02-26

Method and system for authenticating a device

20150053006

2015-02-26

METHOD AND SYSTEM FOR AUTHENTICATING USING A QUARTZ OSCILLATOR

20070188252

2007-08-16

Detection device for detecting oscillator