G06F 3/03545 :
Pens or stylus
G06F 3/03546 :
using a rotatable ball at t...
G06F 3/038 :
Control and interface arran...
G06F 3/0386 :
for light pen
G06F 3/04883 :
for inputting data by handw...
G06F 3/1204 :
resulting in reduced user o...
G06F 3/1265 :
Printing by reference, e.g....
G06F 3/1284 :
Local printer device
G06K 17/00 :
Methods or arrangements for...
G06V 30/10 :
Character recognition
G06V 30/1423 :
the instrument generating s...
G06V 30/1444 :
Selective acquisition, loca...
H04L 2209/56 :
Financial cryptography, e.g...
H04L 2209/603 :
Digital right managament [DRM]
H04L 2209/805 :
Lightweight hardware, e.g. ...
H04L 9/3247 :
involving digital signatures
H04L 9/3263 :
involving certificates, e.g...
H04N 1/00127 :
Connection or combination o...
H04N 1/00204 :
with a digital computer or ...
H04N 1/00244 :
with a server, e.g. an inte...
H04N 1/00326 :
with a data reading, recogn...
H04N 1/00358 :
Type of the scanned marks
H04N 1/00376 :
Means for identifying a mar...
H04N 1/00567 :
Handling of original or rep...
H04N 1/00968 :
by scanning marks on a shee...
H04N 1/32101 :
Display, printing, storage ...
H04N 1/32122 :
in a separate device, e.g. ...
H04N 1/32128 :
attached to the image data,...
H04N 1/32771 :
in response to a request, e...
H04N 1/32778 :
using a mark-sheet or machi...
H04N 2201/0082 :
Image hardcopy reproducer H...
H04N 2201/3205 :
of identification informati...
H04N 2201/3207 :
of an address
H04N 2201/3226 :
of identification informati...
H04N 2201/3242 :
of processing required or p...
H04N 2201/3243 :
of type information, e.g. h...
H04N 2201/3247 :
Data linking a set of image...
H04N 2201/3249 :
data relating to a linked p...
H04N 2201/3269 :
of machine readable codes o...
H04N 2201/327 :
which are undetectable to t...
H04N 2201/3271 :
Printing or stamping
H04N 2201/3278 :
Transmission
Y10S 707/99942 :
Manipulating data structure...