Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 368/158
Name: Horology: time measuring systems or devices > Electrical time base > Solid state oscillating circuit type > For reciprocating or oscillating element > Balance wheel type
Description: Subject matter wherein the element is a wheel for regulating the beats of a timepiece.










Patents under this class:

Patent Number Title Of Patent Date Issued
6391137 Method for producing display device May. 21, 2002
4731764 Sonar transducers Mar. 15, 1988
4507623 Oscillating device with capacitive displacement pickup Mar. 26, 1985
4415274 Step motor Nov. 15, 1983
4340948 Single-coil balance wheel for driving a mechanical movement Jul. 20, 1982
4036006 Time-keeping apparatus Jul. 19, 1977
4011714 Device for maintaining the oscillation of a balance for a timepiece Mar. 15, 1977
3965667 Device for the maintenance and control of the oscillations of the balance wheel of a timepiece Jun. 29, 1976
3952497 Method and apparatus for synchronizing andoscillating system which is driven by an energy storage device Apr. 27, 1976











 
 
  Recently Added Patents
Backup and recovery of distributed storage areas
Computer server capable of supporting CPU virtualization
Subcarrier cluster-based power control in wireless communications
(4926
(4950
Image capture system and method
Optical power measurement method, optical line terminal and optical network unit
  Randomly Featured Patents
Agricultural implement convertible between use and transport positions
Method of forming a step compensated semiconductor device
Display apparatus
Method and apparatus for controlling conditional branch execution in a data processor
Feed regulator locks
Conductor section for a stator frame of a polyphase dynamoelectric machine
Variable pressure control
Portable radio telephone
Protective plate for fork-lift pallets
Streptogramines, their preparation and compositions containing them