Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Feature Film Services Patents Assignee: Feature Film Services Address: Skokie, IL No. of patents: 2 Patents: Patent Number Title Of Patent Date Issued RE31735 Subscriber-limited reception television broadcast security encoder-decoder system November 13, 1984 A method and apparatus for encoding and decoding of standard television signals are provided for enabling reception thereof in an intelligible manner only by authorized subscribers. The scrambling of the video signals is effected by inversion of the video signals of some horizontal scan 4215366 Subscriber-limited reception television broadcast security encoder-decoder system July 29, 1980 A method and apparatus for encoding and decoding of standard television signals are provided for enabling reception thereof in an intelligible manner only by authorized subscribers. The scrambling of the video signals is effected by inversion of the video signals of some horizontal scan       Recently Added Patents Scan distributor loading scan paths simultaneous with loading test data Fredericamycin derivatives Wireless extension unit for an irrigation controller System and method for halftoning using a time-variable halftone pattern Footwear upper Dynamic control of graphic representations of data Internal tip seal for attachment/motor for surgical instruments   Randomly Featured Patents Method and device for supplying information, an alert or alarm for an aircraft in proximity to the ground Method and apparatus for iterated determinations of sensed speed and speed governing Capillary membrane stabilization and reduction of inflammation during the course of chemotherapy or antiviral treatment through the use of biodegradable macromolecules and interleukin-2 1-[p-(2-Trialkylammonium)propylsulfonylphenyl]-3-(phenyl)-pyrazoline salts Nonvolatile semiconductor memory Process and apparatus for forming rearably detachable portion on sheet System and method for integrating reference material in an electronic document Coater rod bed Section piece for T-section assembly Method to eliminate shorts between adjacent contacts due to interlevel dielectric voids © 2006. PatentGenius. All Rights Reserved.