Assignee
AMPEX
US514 patents
Top patents by PatentIndex Score
US4959774ASep 25, 1990
Shadow memory system for storing variable backup blocks in consecutive time periods
AMPEX231 citations99
US4908874AMar 13, 1990
System for spatially transforming images
AMPEX180 citations98
US4560983ADec 24, 1985
Dynamically interactive responsive control device and system
AMPEX158 citations98
US4532547AJul 30, 1985
Video device synchronization system
AMPEX215 citations98
US5434623AJul 18, 1995
Method and apparatus for image data compression using combined luminance/chrominance coding
AMPEX154 citations97
US5146324ASep 8, 1992
Data compression using a feedforward quantization estimator
AMPEX187 citations97
US6076142AJun 13, 2000
User configurable raid system with multiple data bus segments and removable electrical bridges
AMPEX194 citations96
US5615355AMar 25, 1997
Method and apparatus for buffering a user application from the timing requirements of a DRAM
AMPEX88 citations96
US4897842AJan 30, 1990
Integrated circuit signature analyzer for testing digital circuitry
AMPEX79 citations96
US4692819ASep 8, 1987
Method and apparatus for controlling the position of a transported web
AMPEX132 citations96
US4500933AFeb 19, 1985
Universal interface unit
AMPEX134 citations96
US4468688AAug 28, 1984
Controller for system for spatially transforming images
AMPEX69 citations96
US5220318AJun 15, 1993
Apparatus for selectively varying keyboard switching force
AMPEX75 citations95
US5003539AMar 26, 1991
Apparatus and method for encoding and decoding attribute data into error checking symbols of main data
AMPEX104 citations95
US4959718ASep 25, 1990
Video device synchronization system
AMPEX91 citations95
US4858040AAug 15, 1989
Bimorph actuator for a disk drive
AMPEX81 citations95
US4472732ASep 18, 1984
System for spatially transforming images
AMPEX127 citations95
US4463372AJul 31, 1984
Spatial transformation system including key signal generator
AMPEX100 citations95
US4285004AAug 18, 1981
Total raster error correction apparatus and method for the automatic set up of television cameras and the like
AMPEX88 citations95
US6457928B1Oct 1, 2002
Inter-row transfer unit for moving tape cartridges between rows of library systems
AMPEX76 citations94
US6438623B1Aug 20, 2002
Transfer unit extending between two or more cabinets for expansion of tape library systems
AMPEX61 citations94
US5339108AAug 16, 1994
Ordering and formatting coded image data and reconstructing partial images from the data
AMPEX65 citations94
US5189355AFeb 23, 1993
Interactive rotary controller system with tactile feedback
AMPEX284 citations94
US5041922AAug 20, 1991
Magnetic recording medium having magnetic storage and saturable layers, and apparatus and method using the medium
AMPEX64 citations94
US5016342AMay 21, 1991
Method of manufacturing ultra small track width thin film transducers
AMPEX73 citations94
US4887172ADec 12, 1989
Apparatus and method for cueing a video tape recorder
AMPEX101 citations94
US4851755AJul 25, 1989
Low power stepper motor drive system and method
AMPEX98 citations94
US4821121AApr 11, 1989
Electronic still store with high speed sorting and method of operation
AMPEX112 citations94
US4731679AMar 15, 1988
Method and apparatus for transporting a recording medium with an adaptive velocity change profile
AMPEX112 citations94
US4575124AMar 11, 1986
Reproducible gray scale test chart for television cameras
AMPEX77 citations94
US4356523AOct 26, 1982
Narrow track magnetoresistive transducer assembly
AMPEX91 citations94
US5039655AAug 13, 1991
Thin film memory device having superconductor keeper for eliminating magnetic domain creep
AMPEX58 citations93
US4631750ADec 23, 1986
Method and system for spacially transforming images
AMPEX88 citations93
US4507683AMar 26, 1985
Camera status and diagnostics display system
AMPEX63 citations93
US4468708AAug 28, 1984
Combined data rate reduction system
AMPEX54 citations93
US4399474AAug 16, 1983
Automatic threshold tracking system
AMPEX58 citations93
US6043947AMar 28, 2000
Magnetic storage and reproducing system with a low permeability keeper and a self-biased magnetoresitive reproduce head
AMPEX34 citations92
US5870260AFeb 9, 1999
Magnetic recording system having a saturable layer and detection using MR element
AMPEX24 citations92
US5843565ADec 1, 1998
Particulate magnetic medium utilizing keeper technology and methods of manufacture
AMPEX35 citations92
US5830590ANov 3, 1998
Magnetic storage and reproducing system with a low permeability keeper and a self-biased magnetoresistive reproduce head
AMPEX18 citations92
US5438575AAug 1, 1995
Data storage system with stale data detector and method of operation
AMPEX61 citations92
US5189572AFeb 23, 1993
Magnetic control of a transducer signal transfer zone to effect tracking of a path along a record medium
AMPEX36 citations92
US5019906AMay 28, 1991
Time base corrector memory arrangement and memory control
AMPEX31 citations92
US4989073AJan 29, 1991
System for compensating timing errors during sampling of signals
AMPEX26 citations92
US4985795AJan 15, 1991
Method and apparatus using a stationary magnetic body for effecting signal transfers between a moving magnetic core and a magnetic storage medium
AMPEX24 citations92
US4960214AOct 2, 1990
Cassette storage basket
AMPEX35 citations92
US4820109AApr 11, 1989
Bidirectional transfer mechanism
AMPEX41 citations92
US4792953ADec 20, 1988
Digital signal error concealment
AMPEX43 citations92
US4768102AAug 30, 1988
Method and apparatus for synchronizing a controller to a VTR for editing purposes
AMPEX31 citations92
US4767970AAug 30, 1988
Dynamic brake control for a tape drive system
AMPEX38 citations92
Showing the top 50 of 514 patents by PatentIndex Score.