Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2007-07-10
2007-07-10
Meier, Stephen (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S069000, C347S019000
Reexamination Certificate
active
10431485
ABSTRACT:
A method of authenticating a consumable used in an imaging device includes the steps of providing the consumable with a memory; monitoring usage of the consumable; determining whether the consumable has reached a usage threshold; and, if the consumable has reached the usage threshold, then performing the further steps of: renewing the consumable; generating an authentication code signifying the renewing of the consumable; and storing the authentication code in the memory.
REFERENCES:
patent: 4799061 (1989-01-01), Abraham et al.
patent: 4872027 (1989-10-01), Buskirk et al.
patent: 5148534 (1992-09-01), Comerford
patent: 5530753 (1996-06-01), Easter et al.
patent: 5761566 (1998-06-01), Suzuki et al.
patent: 5831649 (1998-11-01), Watrobski et al.
patent: 5949467 (1999-09-01), Gunther et al.
patent: 5978475 (1999-11-01), Schneier et al.
patent: 6019461 (2000-02-01), Yoshimura et al.
patent: 6028937 (2000-02-01), Tatebayashi et al.
patent: 6192473 (2001-02-01), Ryan, Jr. et al.
patent: 6212505 (2001-04-01), Herbert
patent: 6263170 (2001-07-01), Bortnem
patent: 6299274 (2001-10-01), Bolash et al.
patent: 6325495 (2001-12-01), Foth
patent: 6374354 (2002-04-01), Walmsley et al.
patent: 6406120 (2002-06-01), Pauschinger
patent: 6738903 (2004-05-01), Haines
patent: 6969136 (2005-11-01), Matsumoto et al.
patent: 2001/0020961 (2001-09-01), Pauschinger
patent: 2002/0030712 (2002-03-01), Silverbrook
patent: 2002/0030713 (2002-03-01), Silverbrook
patent: 2002/0036668 (2002-03-01), Matsumoto et al.
Laboratories, 2.1.6 What is a Hash Function?, p. 2, Figure. 2.7, http://www.rsasecurity.com/rsalabs
ode.asp?id=2176.
Adkins Christopher A.
Campbell Michael C.
Croley Donald F.
Strunk Timothy L.
Lexmark International Inc.
Meier Stephen
Nguyen Lam
Taylor & Aust PC
LandOfFree
Method of authenticating a consumable does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of authenticating a consumable, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of authenticating a consumable will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3748365