Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Electronic timepiece










Image Number 7 for United States Patent #4212158.

An electronic timepiece having an intermittent driving means for rotating the second hand step by step, in which the second hand may be driven in two or more ways, one of by a large step as driving the second hand at the rate of one step per second and the other is by a small step such as driving the second hand at the rate of ten steps per second. There is provided a large step driving pulse producing circuit, a small step driving pulse producing circuit, a transducer for transducing the pulse into the rotating motion, a large step transmitting means, a small step transmitting means, a train for transmitting the rotating motion to the second hand, and means for changing the pulses applied to the transducer and for changing the transmitting means.








 
 
  Recently Added Patents
Method and apparatus for verifiable generation of public keys
Circuit arrangement and method for operating a circuit arrangement
Method for preparing a .beta.-SiAlON phosphor
Front face of vehicle wheel
Anthranilic diamide compositions for propagle coating
Method and system for providing an intelligent visual scrollbar position indicator
Distylium plant named `PIIDIST-I`
  Randomly Featured Patents
Sensitization of silver halide
Process for treating wood for increasing the lifetime thereof and wood thus obtained
Configurable frequency band elimination for powerline network
Gate entry system using short range radio communications with user terminal devices
Surface mount type package unit
Public on-line computer terminal with pliant currency acceptor
Self-contained apparatus and method for determining the static and dynamic loading characteristics of a soil bed
Expansion joint
Drive device, particularly for a clockwork mechanism
Method and control arrangement for adjusting a flap that is pivotally supported in a rotor blade of a helicopter