Patents for G04B 17 - Mechanisms for stabilising frequency (1,381)
08/2001
08/22/2001EP1126333A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
08/16/2001WO2001059529A1 Mechanically regulated time indicator
08/08/2001EP1122619A1 Mechanical timepiece with posture detector
08/08/2001EP1122618A1 Mechanical timepiece with attitude detector
07/2001
07/26/2001WO2001053896A1 Method of manufacturing mechanical timepiece
07/25/2001CN1305127A Clock mechanism allocated with generator
07/25/2001CN1305126A Generator used for timer
07/11/2001EP1115042A2 Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same
07/05/2001WO2001048564A1 Rate adjusting method for mechanical timepieces
06/2001
06/28/2001US20010005339 Mainspring device and a winding protection structure
06/26/2001US6252828 Electronically controlled mechanical timepiece and control method therefor
06/20/2001EP1109083A1 Clock works equipped with a generator
06/20/2001EP1109082A1 Generator in particular for timepiece
06/20/2001EP1109081A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
05/2001
05/30/2001EP1103871A1 Mechanically regulated time indicator
05/17/2001WO2001035172A1 Mechanical timepiece with timed annular balance rotating angle control mechanism including coils
05/17/2001WO2001035171A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
05/09/2001EP1097408A1 Timepiece with mechanical regulation
04/2001
04/18/2001EP1093036A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
03/2001
03/27/2001US6208119 Electronic speed-control circuit
03/27/2001US6208055 Electromagnetic transducer and electronic device including the transducer
03/27/2001US6206563 Device for leakproof fastening of a watch glass to a watch case
03/21/2001EP1084459A1 Method for transmitting bursts of mechanical energy from a power source to an oscillating regulator
03/21/2001CN1288535A Electronically controlled mechanical watch and method of preventing overcharge
03/21/2001CN1288534A Electronically controlled mechanical timepiece and braking method
03/15/2001WO2001018611A1 Mechanically regulated timepiece
03/15/2001CA2383733A1 Machanically regulated timepiece
02/2001
02/27/2001US6194878 Electronic speed control circuit
02/22/2001WO2001013183A1 Mechanical timepiece with attitude detector
02/22/2001WO2001013182A1 Mechanical timepiece with posture detector
02/22/2001WO2001013064A1 Attitude detecting device
02/08/2001WO2001009687A1 Mechanical timepiece with stud adjustment mechanism
02/08/2001WO2001009686A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
01/2001
01/04/2001WO2001001204A1 Mechanical timepiece with timed annular balance control mechanism
01/04/2001WO2001001203A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
12/2000
12/27/2000EP1063573A1 Electrically controlled mechanical timepiece and braking method
11/2000
11/29/2000EP1055981A1 Electronically controlled mechanical watch and method of preventing overcharge
11/09/2000WO2000067077A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
10/2000
10/26/2000WO2000063749A1 Clockwork comprising a microgenerator and a testing method for clockworks
10/04/2000CN1268682A Self compensation coil spring of oscillator of watch movement, and method for treating same
09/2000
09/27/2000EP1039352A1 Self-compensating spring for clockwork movement spring balance and method for treating the same
09/26/2000US6124649 Micro-generator module and clockwork movement containing such a micro-generator
09/13/2000CN1266209A Device for fixing watch glass with leakage-proof device
09/06/2000EP1033633A1 Device for the sealed fastening of a glass to a watch case
09/05/2000US6113259 Electronic timepiece supplied by a generator driven by a mechanical power source
06/2000
06/13/2000USRE36733 Timepiece driven by a source of mechanical energy and regulated by an electric circuit
06/02/2000WO2000031595A1 Electrically controlled mechanical timepiece and braking method
05/2000
05/25/2000WO2000029913A1 Electronically controlled mechanical watch and method of preventing overcharge
05/17/2000EP0846987B1 Mechanical timepiece with tourbillon mechanism
04/2000
04/05/2000EP0990961A1 Electromagnetic transducer and electronic device including the transducer
03/2000
03/21/2000US6041022 Mechanical-electric energy converter and watch part comprising this energy converter
03/21/2000US6041021 Electronically controlled mechanical timepiece and control method therefor
03/01/2000EP0982638A1 Electronic control timepiece
02/2000
02/08/2000US6023446 Timepiece comprising a generator driven by the main spring of a barrel
01/2000
01/27/2000WO2000004425A1 Timepiece with mechanical regulation
01/27/2000WO2000004424A1 Timepiece with mechanical regulation
01/19/2000EP0973076A1 Watch with tourbillon
01/12/2000CN1241268A Electronically controlled mechanical clock and method of controlling same
12/1999
12/16/1999WO1999064936A1 Method for transmitting bursts of mechanical energy from a power source to an oscillating regulator
12/15/1999EP0964319A1 Method for the transmission of mechanical energy pulses from a driving source to an oscillating regulator
11/1999
11/17/1999CN2349594Y Adjustable pendulum structure for clock
10/1999
10/27/1999CN1233000A Spring device, timepiece and their controlling method
10/21/1999WO1999053383A1 Indicating device for various types of rotation escape regulator
10/20/1999EP0950931A2 Mainspring device, timepiece, and method of controlling the mainspring device and the timepiece
10/06/1999CN2342396Y Reciprocating structure for report clock
09/1999
09/29/1999EP0944862A1 Mechanical-electric energy converter and watch part comprising this energy converter
09/22/1999CN1229202A Timepiece comprising generator driven by main spring of barrel
09/15/1999EP0942341A1 Electronically controlled mechanical clock and a method of controlling the same
07/1999
07/21/1999CN2329995Y Pendulum device for fishing clock
07/20/1999US5926443 Pendulum device
05/1999
05/25/1999US5907524 For a clockwork movement
04/1999
04/28/1999EP0911707A1 Method for manufacturing a balance spring for a clockwork movement and spiral obtained thereby
04/28/1999EP0848842B1 Timepiece movement
04/28/1999CN1215179A Method for clock blance wheel and spring and the made blance wheel and spring by said method
04/21/1999CN1214477A Electronically controlled mechanical timepiece and method of controlling the same
04/13/1999CA2094279C Patterned indicators
04/08/1999WO1999017172A1 Electronically controlled mechanical clock and a method of controlling the same
03/1999
03/31/1999EP0905588A2 Electronically controlled mechanical timepiece and method of controlling the same
03/09/1999US5881027 Timepiece movement
03/09/1999US5881026 Paramagnetism; niobium-zirconium alloy; accuracy
02/1999
02/03/1999CN1206861A Automatic compensation balance spring for balance spring/balance wheel vibrator of clock movement and method for making same
01/1999
01/06/1999CN2303321Y Clock with decorative pendulum mechanism
12/1998
12/23/1998EP0886195A1 Auto-compensating spring for mechanical oscillatory spiral spring of clockwork movement and method of manufacturing the same
11/1998
11/17/1998US5838641 Mechanical timepiece with tourbillon mechanism
11/10/1998US5835456 Timepiece including an electric power generator
11/04/1998CN1197943A Electronic timepiece supplied by generator driven by mechanical power source
10/1998
10/07/1998CN1195408A Timepiece movement
07/1998
07/29/1998CN2286889Y Reciprocating swinging elastic device for floor plummet
07/15/1998CN1187643A Timepiece including electric power generator
07/01/1998EP0851322A1 Micro-generator, module and time piece, containing such a micro-generator
06/1998
06/25/1998WO1998027473A1 Mechanical-electric energy converter and watch part comprising this energy converter
06/24/1998EP0848842A1 Timepiece movement
06/18/1998DE19651322A1 Oscillation system for mechanical clock
06/18/1998DE19651321A1 Oscillation system for mechanical clock
06/18/1998DE19651320A1 Oscillation system for mechanical clock
06/10/1998EP0846987A1 Mechanical timepiece with tourbillon mechanism
04/1998
04/14/1998US5740131 Stabilising of an electronic circuit for regulating a mechanical movement of a timepiece
03/1998
03/25/1998CN2277089Y Plastic steel ball clock balance parts
01/1998
01/07/1998EP0816955A1 Electronic circuit and timepiece containing such a circuit
12/1997
12/16/1997US5699322 Timepiece having a power reserve indicator
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