Resources Contact Us Home
Microactuator with displacement sensing function and deformable mirror including the microactuator

Image Number 16 for United States Patent #7368846.

According to the present invention, a moving element Ai such as an electrostatically driven actuator is displaced by supplying a drive signal thereto. Meanwhile, a displacement sensing section 6 senses its displacement and a calibrating section 15 automatically calibrates the correlation between the drive signal and the displacement, thereby compensating for a variation in the characteristic of the actuator with time and according to the environment. A switching section 7 selectively connects the single displacement sensing section to a plurality of moving elements Ai one after another, thereby cutting down the circuit for displacement sensing.

  Recently Added Patents
Bisphosphonate compounds
Collaborative image capture
Motor assembly
Plasmon generator includes three metal layers for thermally-assisted magnetic recording
Optimized control of an energy supplying system and an energy consuming system
Bio-stimulant for improved plant growth and development
  Randomly Featured Patents
Synthetic reinforced interbody fusion implants
Method and apparatus for changing rolls for a rolling mill
Zipper assistance tool
System for and method of applying a sealant strip to sheet material
Rust removal and composition thereof
Coupling construction of compressor housing and method for manufacturing compressor
LED-based lighting methods, apparatus, and systems employing LED light bars, occupancy sensing, local state machine, and meter circuit
Seat testing punch
Expected value payment method and system for reducing the expected per unit costs of paying and/or receiving a given ammount of a commodity
Method of accessing configured nodes in a facilities management system with a non-configured device