Copier

 

PAT. NO.

Title

401 4,390,270 Photographic copier
402 4,387,980 Charging device for electronic copier
403 4,386,847 Office copier with articulated hinge cover
404 4,380,384 Charging device for electronic copier
405 4,379,631 Apparatus having a copier function and a printer function
406 4,377,338 Method and apparatus for copier quality monitoring and control
407 4,377,337 Document scanning apparatus for an electrostatic copier
408 4,371,253 Color electrophotographic copier
409 4,368,475 Jet drop copier
410 4,367,035 Liquid developer electrostatic copier for shipboard use
411 4,364,657 Multiple-blade pickoff for electrophotographic copier
412 4,359,215 Device for feeding sheets of paper to a copier
413 4,353,541 Self energizing copier document pressure roll
414 T102,102 Access controlled copier
415 4,336,994 Multi-mode color copier
416 4,335,954 Copier registration method and apparatus
417 4,332,463 Non-synchronous operation of an electronic copier
418 4,332,461 Electrical drive for scanning optics in a continuously variable reduction copier
419 4,330,197 Recirculating documents duplex copier
420 T101,801 Apparatus and method for accurately setting a gap between mating surfaces on a copier magnetic brush drum and roller
421 4,326,796 Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier
422 4,326,792 Combined registration image transfer and pickoff assembly for electrophotographic copier
423 4,320,961 Jam detecting apparatus and method for electrostatic copier
424 4,316,667 Copier and recirculating document feeder
425 4,312,589 Charge density control for an electrostatic copier
426 4,309,737 Charge roller system for an electrophotographic copier
427 4,305,652 Merging of information in a copier-printer system
428 4,304,486 Automatic bias and registration control system for electrophotographic copier
429 4,302,093 Combined transfer and registration system for electrophotographic copier
430 4,294,536 Automatic control of copier copy contrast and density for production runs
431 4,291,643 Developing apparatus in a magnification-variable copier
432 4,291,340 Jet drop copier with multiplex ability
433 4,289,395 Copy sheet deflector for an electrophotographic copier
434 4,279,504 Copier and multifunction paper cassette
435 4,272,188 Exposure compensation circuit for a copier
436 4,264,198 Copier
437 4,248,528 Copier with document sensing control
438 4,247,191 Projection color copier
439 4,243,869 Fusing device for electrostatic copier
440 4,239,375 Image carrier drum for an electrophotographic copier
441 4,235,549 Developing station for an electrostatic copier
442 4,231,652 Drum for electrophotographic copier
443 4,221,375 Copy sheet handling apparatus for a copier
444 4,219,272 Electrophotographic copier with replaceable photoconductive sheet
445 4,218,134 Optical system for copier
446 4,203,585 Document feed for a copier machine
447 4,203,386 Electrostatic copier with insertable developer module
448 4,194,831 Optical copier
449 4,190,354 Copier job recovery system
450 4,183,662 Gravity impelled transport for aligning an original in a copier
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