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B41J9/52
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B41
Printing, stamps
B41J
TYPEWRITERS SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS
B41J9/00
Hammer-impression mechanisms
Current Industry
B41J9/52
for checking the operation of print hammers
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Impact
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Patents Grants
last 30 patents
Information
Patent Grant
Printer coil temperature sensor and method
Patent number
5,720,561
Issue date
Feb 24, 1998
Printronix, Inc.
Robert P. Ryan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Impact printer which can detect partial defects in coils
Patent number
5,518,326
Issue date
May 21, 1996
Fujitsu Limited
Satoshi Yoshino
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Print hammer arrangement in dot line printer minimizing number of h...
Patent number
5,263,782
Issue date
Nov 23, 1993
Hitachi Koki Co. Ltd.
Kohichi Yageta
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Print pressure retrival from ascending order table
Patent number
5,092,692
Issue date
Mar 3, 1992
Canon Kabushiki Kaisha
Hiroyuki Ueda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for band printing with automatic home compensa...
Patent number
5,046,413
Issue date
Sep 10, 1991
International Business Machines Corp.
John S. Gregor
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Print tip contact sensor for quiet impact printer
Patent number
4,678,355
Issue date
Jul 7, 1987
Xerox Corporation
Andrew Gabor
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Impact printer with magnetic interaction compensation
Patent number
4,627,344
Issue date
Dec 9, 1986
Centronics Data Computer Corp.
Robert E. Costello
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Bi-directional drive print wire actuator with forward-velocity and...
Patent number
4,523,867
Issue date
Jun 18, 1985
Genicom Corporation
Harry R. Berrey
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fault protection system for a line printer
Patent number
4,487,121
Issue date
Dec 11, 1984
International Business Machines Corporation
James E. Carrington
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Print hammer limit control
Patent number
4,376,411
Issue date
Mar 15, 1983
International Business Machines Corporation
James E. Carrington
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printer system having parity checking of print hammers using softwa...
Patent number
4,335,460
Issue date
Jun 15, 1982
International Business Machines Corporation
Richard D. Bolcavage
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printer magnetic interference prevention system
Patent number
4,286,517
Issue date
Sep 1, 1981
Hitachi Koki Company Limited
Shigenobu Katagiri
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printer having variable hammer release drive
Patent number
4,280,404
Issue date
Jul 28, 1981
Printronix, Inc.
Gordon B. Barrus
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Circuit arrangement for synchronizing the times of occurrence of th...
Patent number
4,259,903
Issue date
Apr 7, 1981
International Business Machines Corporation
Klaus Arendt
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Stylus printer impact energy control
Patent number
4,162,858
Issue date
Jul 31, 1979
U.S. Philips Corporation
Klaus Brandenburg
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Apparatus for checking the operation of control circuits
Patent number
4,008,389
Issue date
Feb 15, 1977
Compagnie Honeywell Bull (Societe Anonyme)
Jean-Pierre Brunin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Protection system for hammer drive circuits in impact printers
Patent number
3,998,152
Issue date
Dec 21, 1976
General Electric Company
Arthur C. Hupp
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
System for predicting or detecting a fault in a solenoid utilizatio...
Patent number
3,988,664
Issue date
Oct 26, 1976
Burroughs Corporation
Jack Beery
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
3742310
Patent number
3,742,310
Issue date
Jun 26, 1973
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
3740615
Patent number
3,740,615
Issue date
Jun 19, 1973
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
3673955
Patent number
3,673,955
Issue date
Jul 4, 1972
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
3490010
Patent number
3,490,010
Issue date
Jan 13, 1970
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
3456161
Patent number
3,456,161
Issue date
Jul 15, 1969
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
3442206
Patent number
3,442,206
Issue date
May 6, 1969
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents