Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
A/D converters










Image Number 3 for United States Patent #4940983.

A successive approximation analog to digital converter including at least one superconducting loop (FIG. 3-30; FIG. 8-68). Superconducting loops (61-64) may be used to store flux quanta used as reference levels in a digital to analog converter of the analog to digital converter. Alternatively, non-superconducting reference inductors (FIG. 3-38) can provide flux quanta reference levels. Switchable screens (34; 66) are interposed between the flux quanta stores and lobes (31; 74) in an addition/subtraction superconducting loop (30; 68). An analog signal is sampled and the corresponding magnetic flux coupled to a sensing lobe (32; 71) and concentrated at a flux concentrating lobe (33; 72). The reference fluxes are selectively coupled into the addition/substraction superconducting loop until a magnetometer (40;73) indicates zero net flux through the concentrating lobe, this corresponding to completion of the conversion.








 
 
  Recently Added Patents
Obviation of recovery of data store consistency for application I/O errors
Inhibitors of the mevalonate pathway of Streptococcus pneumoniae
System and method for detecting states
System or method to assist and automate an information security classification and marking process for government and non-government organizations for information of an electronic document
Cross-linkable compositions
Proximity search methods using tiles to represent geographical zones
Accessory system for vehicle
  Randomly Featured Patents
Laser microphone
Method of treating noninflammatory cartilage damage
Plate sieve changer
Switch
Method for producing a micromachined layered device
Sandpaper pad and pad support for a detail sander
System and method for handling an event in a computer system
Method and apparatus for generating beamforming feedback
Radar antenna mount
Low dielectric constant fluorine and carbon-containing silicon oxide dielectric material characterized by improved resistance to oxidation