Back projection system and screen for image projection
Back up roll with negative wrap
Back-lighted copyboard having unique light attenuator
Background brightness control for document copier
Background photography
Background reduction
Background removal apparatus
Background unfurling apparatus and method
Backside heating and fixing apparatus in an electronic...
Backside ionizing irradiation in a flexographic printing...
Backup electrode and recording medium alignment guide...
Backup roll cleaning system for a heated roll fuser
Backup roll for heated fuser system
Balance type toner concentration sensing and monitoring system
Balanced focus system and method for achieving optimal focus...
Ballasted color photographic couplers
Bar chart display apparatus
Bar code incorporated into holographic display
Barrier layer for liquid crystal-containing elements
Barrier layer for liquid crystal-containing elements i