G04B17/00 - CPC Classification Index

ClassID:

179007 ⎘

G04B17/00 - CPC Classification

Classification description:

Mechanisms for stabilising frequency

Sub-classes:

G04B17/005 » {Regulating mechanisms where the movement is maintained by pneumatic means } 0
G04B17/02 » Oscillators acting by gravity, e.g. pendulum swinging in a plane 11
G04B17/04 » Oscillators acting by spring tension 35
G04B17/20 » Compensation of mechanisms for stabilising frequency 39
G04B17/30 » Rotating governors, e.g. centrifugal governors, fan governors 7
G04B17/32 » Component parts or constructional details, e.g. collet, stud, {virole or piton} 76

Recent Application in this class:

20220137559

2022-05-05

DEVICE AND METHOD FOR ADJUSTING THE RATE AND CORRECTING THE STATE OF DISPLAY OF A WATCH

20200142359

2020-05-07

Balance of a timepiece

20190222174

2019-07-18

Quartz crystal resonator, quartz crystal unit, and quartz crystal oscillator

20190018368

2019-01-17

Electromechanical timepiece

20180341225

2018-11-29

Device and method for adjusting the rate and correcting the state of display of a watch

20170351219

2017-12-07

Timepiece mechanism with adjustable inertia balance wheel

20170351218

2017-12-07

Timepiece mechanism with adjustable inertia balance wheel

20170033767

2017-02-02

Unit, oscillator and electronic apparatus

20160313707

2016-10-27

METHOD AND APPARATUS FOR ADJUSTMENT OF ANALOG MOVEMENT HANDS OF TIMEPIECE

#10

20160011567

2016-01-14

Flexible timepiece guidance

#11

20150234352

2015-08-20

Frequency regulation of a timepiece resonator via action on the active length of a balance spring

#12

20140251010

2014-09-11

Unit, oscillator and electronic apparatus

#13

20140247703

2014-09-04

Tuning-fork resonator for mechanical clock movement

#14

20140098647

2014-04-10

Mechanism preventing rate variations caused by gravity on a balance-spring regulating device and timepiece incorporating this improvement

#15

20140016443

2014-01-16

Electronic quartz resonator module provided with shock resistant securing means

#16

20130176833

2013-07-11

Quartz crystal unit, quartz crystal oscillator and electronic apparatus

#17

20130176832

2013-07-11

Quartz crystal unit, quartz crystal oscillator and electronic apparatus

#18

20130176831

2013-07-11

Quartz crystal unit, quartz crystal oscillator and electronic apparatus

#19

20130176829

2013-07-11

Oscillating mechanism with an elastic pivot and mobile element for transmitting energy

#20

20110044139

2011-02-24

Isochronism corrector for clockwork escapement and escapement provided with such a corrector

#21

20100301958

2010-12-02

Unit, oscillator having unit and electronic apparatus having oscillator

#22

20100117492

2010-05-13

Unit having resonator, oscillator having unit and electronic apparatus having unit

#23

20090207700

2009-08-20

Mechanical oscillator