Patents
Patents for B41J 29 - Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for (36,873)
09/1982
09/22/1982EP0060544A2 Error correcting system for an electronic typewriter
09/21/1982US4350456 Printer provided with a margin setting mechanism
09/21/1982US4350453 Cartridge for correction media or tacky tape with a wrap spring
09/14/1982US4349283 Hammer for dot matrix printer
09/08/1982EP0059358A2 Printing station
09/07/1982US4348118 Paper transport means for a recording device
09/01/1982EP0058902A2 Antinoise device for impact serial printer
08/1982
08/31/1982US4346982 Electrophotographic recording device
08/25/1982EP0058565A2 Correcting device
08/17/1982US4345264 Carriage support for recording head, diode matrix, and drivers
08/17/1982US4344714 Device for positioning the beginning of a line in a typewriter
08/17/1982US4344713 Character overprinting method and apparatus in non-impact printers
08/03/1982CA1128890A1 Tape tensioning mechanism
07/1982
07/27/1982CA1128447A1 Method and apparatus for connecting and disconnecting a motor and a print element
07/20/1982US4340315 Printing area cover plate for typewriters or like machines
07/20/1982CA1128242A1 Pressure sensitive correction composition and method of use
07/13/1982US4339208 Optical sensing of wire matrix printers
07/07/1982EP0055539A2 Thermal printer drive circuit and a thermal printer provided therewith
07/07/1982EP0055346A2 Font module and receptacle therefor for use in a matrix printer
07/06/1982CA1127105A1 Daisy wheel printer carrier
06/1982
06/30/1982EP0054709A2 Method of correcting mis-printed characters during printing
06/29/1982CA1126575A1 Dot matrix print head
06/23/1982EP0054182A1 Ink ribbon cartridge for a typewriter or similar office machine
06/22/1982CA1126407A1 Position sensing for matrix printer
06/22/1982CA1126198A1 Ribbon feed and lift mechanism for a typewriter
06/22/1982CA1126083A1 Printer system having microprocessor control
06/15/1982US4334792 Destination-referenced tab, operations for typewriters that store text
06/08/1982CA1125219A1 Single element typewriter with error correction feature
06/02/1982EP0052724A2 Prompt line display arrangement in a word processing system
06/01/1982US4332364 Easel
05/1982
05/25/1982CA1124134A1 Belt printer control architecture
05/18/1982US4330219 Upper cover for line printer
05/18/1982US4330218 Apparatus for connecting and disconnecting a motor and a print element by pivoting a ribbon cartridge
05/18/1982US4329799 Typing copy stand
05/11/1982US4329072 Ribbon feed and lift mechanism for a typewriter
05/11/1982US4328749 Information recording method and apparatus, and a half-product obtained thereby
05/04/1982US4328507 Recording apparatus
05/04/1982US4328504 Optical sensing of ink jet printing
04/1982
04/29/1982WO1982001415A1 Dot matrix printer
04/20/1982CA1122327A1 Apparatus for setting proportional margins based upon the width of a scanned sheet of paper
04/20/1982CA1122141A1 Method and apparatus for establishing tab settings and indexing parameters, and printouts representing same, for a word processing system
04/20/1982CA1122139A1 Power recovery apparatus for an electric typewriter
04/15/1982WO1982001163A1 Dot matrix printer
04/13/1982US4324500 Means to inhibit paper feed during carriage or print wheel movement
04/13/1982CA1121751A1 Character print wheel with drive elements
04/06/1982US4323316 Shorthand machine paper gauge
03/1982
03/24/1982EP0047845A2 Correction ink ribbon
03/09/1982US4318452 Noise-reduced constructional unit of a device
03/02/1982US4317565 Transcription-copy feeder
03/02/1982US4317412 Control system and method for testing print hammers in a high speed printer
03/02/1982CA1118969A1 Integral snap hinge structure
02/1982
02/23/1982CA1118702A1 Underscore erase
02/23/1982CA1118697A1 Paragraph indent
02/23/1982CA1118696A1 Automatic margin setting apparatus for a scanned sheet of paper
02/16/1982US4316181 Theft prevention system for business machines
02/16/1982US4315694 Carrier for print element and ribbon cartridges
02/16/1982CA1118275A1 Thermal printer write head assembly
02/09/1982US4315268 Recording apparatus
02/09/1982US4314769 Acoustical tone generator
02/03/1982EP0045124A1 Serial printer
02/02/1982US4313683 Microcomputer control of ribbon drive for printers
01/1982
01/27/1982EP0044667A1 Character overprinting in non-impact printers
01/26/1982US4312268 Apparatus and method for coating of inks applied at high speed
01/19/1982US4311399 Method and apparatus for setting and varying margins and line spacing on data printers
01/13/1982EP0043664A1 Impact printers
01/13/1982EP0043433A1 Web cartridge with a wrap spring for preventing voids and wrinkles in the spool
01/12/1982CA1116225A1 Adjustable imaging apparatus having guide rails and centering devices
01/12/1982CA1116014A1 Printing devices
01/06/1982EP0042951A1 Powered cord reeling device with automatic cord tension-controlled disengagement and typewriter carriage return mechanism using same
01/05/1982US4309118 Device for correction of misprint of a typewriter
01/05/1982CA1115808A1 Linear drive for a printing apparatus
12/1981
12/30/1981EP0042511A2 Control system and method for testing the operation of print hammers
12/29/1981US4307971 Sideshift erase apparatus and method for impact printers
12/29/1981CA1115123A1 Document printing device
12/15/1981CA1114321A1 Digital system for control of an electric typewriter
12/09/1981EP0041100A2 Improved acoustical tone generator and printing system using said generator
12/08/1981US4304345 Modular bidirectional tractor feed assembly
12/01/1981US4303347 Matrix printer carriage arrangement
12/01/1981US4303346 Printer head clutch
12/01/1981US4303013 Micro-printer with unitary plastic frame
11/1981
11/25/1981EP0040438A1 Support for a shiftable implement such as a typewriter, calculating machine, etc.
11/11/1981EP0039403A2 Xerographic copier including controllable erase system
11/11/1981EP0039394A2 Sound hood with glare shield for a typewriter or the like
10/1981
10/28/1981EP0038630A1 Ink jet printing apparatus
10/28/1981EP0038456A1 Method for the production of letters partially covering one another on a record carrier for writing or similar office machines
10/27/1981US4297039 Thermal printer
10/21/1981EP0038290A2 Driving appliance for a printing machine, particularly a matrix printing machine
10/21/1981EP0038225A2 Electric typewriter
10/21/1981EP0038215A2 Actuation device for two typewriter functions
10/21/1981EP0038065A1 Silencing covering for printing and writing machines
10/21/1981EP0037976A1 Paper transport arrangement for a recording apparatus
10/13/1981US4294557 Shield for typewriter keyboard and cylinder
10/07/1981EP0037217A1 Printer
09/1981
09/29/1981US4291620 Error detection in a digital printer employing type wheels
09/22/1981US4291305 Method for generating format lines and character data in an image scanning system
09/22/1981US4290705 Electromagnetic interference reduction for electronic line printers
09/16/1981EP0035747A1 Lighting fixture for telegraph apparatuses and office machines
09/16/1981EP0035560A1 Device for guiding of endless forms in a printer.
09/15/1981US4290138 Wire fire mapping for printers
09/15/1981US4289670 Pressure sensitive correction composition and method of use