Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Optical sensor device










Image Number 14 for United States Patent #8125620.

A method and apparatus for the acquisition of repetitive signals in a sensing device comprising a transmitter, a receiver and an object. The transmitter repetitively emits a modulated electro-magnetic signal into a transmission medium, with the emitted signal interacting with the object producing a counter propagating return signal. The return signal may contain properties that reflect all, or a portion, of the initial signal or may be correlated with said signal through a process of absorption and reemission, in which reflected signal characteristics are governed by the object's physical material characteristic. The return signal is detected and converted into digital signals by a receiver via a reception channel through the use of edge transitions rather than logic levels from one or more comparator outputs to reconstruct the return signal waveform. A several waveform acquisition and reconstruction methods are disclosed for use with an edge sampling detection apparatus. When directed towards the time-of-flight distance measurement the invention also discloses a useful method to provide optical feedback using a moving waveguide.








 
 
  Recently Added Patents
Functionalized main chain polymers
Image forming system, prognosis criterion setting apparatus, prognosis apparatus, image forming apparatus and non-transitory computer-readable recording medium
Database caching utilizing asynchronous log-based replication
Formation of a masking layer on a dielectric region to facilitate formation of a capping layer on electrically conductive regions separated by the dielectric region
Method of and apparatus for image denoising
Integrated circuit with electromagnetic intrachip communication and methods for use therewith
Cancer treatment kits comprising therapeutic antibody conjugates that bind to aminophospholipids
  Randomly Featured Patents
Safety helmet with individualized head-contoured inter-liner
Method for surface treatment of polyimide resin molded articles
Positive temperature coefficient semiconductor heating element
Method and device for performing online aberrometry in refractive eye correction
Acetabular reamer
Non-volatile-memory cell for electrically programmable read only memory having a trench-like coupling capacitors
Depthometer for underwater diving
Recording medium storage container and image forming apparatus
Conference signal anomaly detection
Data storage device coupled to a data storage interface