<s>
ThunderHawk	B-Operating_System
is	O
a	O
discontinued	O
web	B-Application
browser	I-Application
from	O
Bitstream	O
available	O
for	O
a	O
full	O
range	O
of	O
operating	O
systems	O
in	O
high	O
end	O
(	O
Windows	B-Operating_System
mobile	I-Operating_System
and	O
Symbian	B-Operating_System
browsers	B-Application
)	O
and	O
mass-market	O
(	O
Java	B-Language
browser	B-Application
)	O
mobile	O
phones	O
and	O
personal	B-Application
digital	I-Application
assistants	I-Application
.	O
</s>
<s>
Unlike	O
most	O
browsers	B-Application
,	O
ThunderHawk	B-Operating_System
does	O
not	O
re-purpose	O
or	O
reformat	O
the	O
content	O
,	O
and	O
provides	O
a	O
similar	O
desktop	O
view	O
of	O
the	O
web	O
page	O
.	O
</s>
<s>
Bitstream	O
announced	O
the	O
ThunderHawk	B-Operating_System
technology	O
first	O
on	O
June	O
6	O
,	O
2001	O
in	O
Cambridge	O
.	O
</s>
<s>
Sonera	O
,	O
wireless	O
carrier	O
in	O
Finland	O
included	O
the	O
beta	O
release	O
of	O
Bitstream	O
's	O
web	B-Application
browser	I-Application
technology	O
in	O
Sonera	O
Pilot	O
Program	O
to	O
offer	O
hands-on	O
testing	O
of	O
new	O
UI	O
conventions	O
for	O
future	O
mobile	O
applications	O
.	O
</s>
<s>
Later	O
,	O
in	O
the	O
same	O
year	O
,	O
December	O
17	O
,	O
2001	O
Bitstream	O
announced	O
the	O
Wireless	O
Web	O
browsing	O
solution	O
with	O
HP	O
for	O
its	O
HP	O
Jornada	O
PDA	B-Application
customers	O
.	O
</s>
<s>
The	O
first	O
full-featured	O
Wireless	O
Web	B-Application
Browser	I-Application
for	O
Pocket	O
PCs	O
was	O
released	O
on	O
May	O
20	O
,	O
2002	O
.	O
</s>
<s>
AJAX	B-Device
,	O
DHTML	B-General_Concept
Level	O
1	O
,	O
DOM	B-General_Concept
Level	O
1	O
,	O
DOM	B-General_Concept
Level	O
2	O
,	O
CSS	B-Language
Level	O
1	O
,	O
CSS	B-Language
Level	O
2	O
,	O
Frames	O
,	O
HTML	B-Language
4.01	I-Language
,	O
HTTP	B-Protocol
1.0	I-Protocol
,	O
HTTP	B-Protocol
1.1	I-Protocol
,	O
HTTPS	B-Protocol
128-bit	O
encryption	O
,	O
Feeds	O
(	O
RSS	O
,	O
ATOM	B-Language
,	O
RDF	O
)	O
,	O
Image	O
formats	O
(	O
BMP	O
,	O
GIF	O
,	O
JPEG	O
,	O
PNG	O
,	O
PJPEG	O
)	O
,	O
XHTML	O
Basic	O
,	O
XML	O
1.0	O
,	O
ECMA	O
Script	O
,	O
WML	B-General_Concept
,	O
WAP	B-Protocol
2.0	O
.	O
</s>
<s>
When	O
a	O
subscriber	O
uses	O
ThunderHawk	B-Operating_System
to	O
access	O
the	O
Web	O
,	O
the	O
ThunderHawk	B-Operating_System
client	O
residing	O
on	O
the	O
handset	O
communicates	O
with	O
the	O
server	O
.	O
</s>
<s>
The	O
server	O
receives	O
a	O
connection	O
from	O
the	O
client	O
and	O
requests	O
an	O
HTML	B-Language
Web	O
page	O
from	O
the	O
Internet	O
.	O
</s>
<s>
The	O
server	O
sends	O
the	O
requested	O
HTML	B-Language
page	O
in	O
a	O
compact	O
transport	O
format	O
to	O
the	O
subscriber	O
's	O
handset	O
.	O
</s>
<s>
ThunderHawk	B-Operating_System
can	O
run	O
on	O
any	O
handset	O
that	O
offers	O
MIDP	O
2.0	O
,	O
CLDC	O
1.0	O
and/or	O
CLDC	O
1.1	O
software	O
.	O
</s>
<s>
The	O
browser	B-Application
uses	O
Bitstream	O
's	O
patented	O
technologies	O
for	O
mobile	O
browsing	O
.	O
</s>
<s>
To	O
display	O
digital	O
content	O
on	O
a	O
small	O
screen	O
device	O
,	O
ThunderHawk	B-Operating_System
accesses	O
the	O
Web	O
site	O
,	O
lays	O
out	O
the	O
content	O
at	O
a	O
virtual	O
pixel	O
resolution	O
and	O
then	O
displays	O
a	O
part	O
of	O
the	O
layout	O
at	O
a	O
smaller	O
display	O
resolution	O
.	O
</s>
<s>
ThunderHawk	B-Operating_System
allows	O
browsing	O
in	O
the	O
combined	O
overview	O
and	O
magnified	O
view	O
of	O
a	O
web	O
page	O
.	O
</s>
<s>
ThunderHawk	B-Operating_System
can	O
show	O
the	O
Web	O
page	O
content	O
in	O
various	O
user	O
enable	O
modes	O
including	O
,	O
overview	O
only	O
,	O
magnified	O
only	O
,	O
and	O
a	O
re-flown	O
single	O
column	O
text	O
view	O
.	O
</s>
<s>
Supports	O
viewing	O
of	O
AJAX	B-Device
pages	O
that	O
are	O
written	O
using	O
ECMA-262/JavaScript	O
1.5	O
standard	O
.	O
</s>
<s>
Supports	O
full	O
HTML	B-Language
browsing	O
on	O
the	O
Java	B-Language
ME	I-Language
,	O
Symbian	B-Operating_System
,	O
or	O
Windows	B-Operating_System
Mobile	I-Operating_System
phone	O
.	O
</s>
<s>
Includes	O
HTTPS	B-Protocol
128-bit	O
encryption	O
,	O
providing	O
a	O
secure	B-General_Concept
transmission	I-General_Concept
of	O
confidential	O
data	O
.	O
</s>
<s>
Validates	O
certificates	O
for	O
https	B-Protocol
sites	O
;	O
if	O
there	O
are	O
certificate	O
problems	O
,	O
informs	O
the	O
user	O
and	O
gives	O
the	O
choice	O
to	O
continue	O
browsing	O
the	O
site	O
.	O
</s>
<s>
Incremental	B-Application
rendering	I-Application
that	O
sends	O
visible	O
Web	O
page	O
region	O
first	O
,	O
while	O
the	O
rest	O
of	O
the	O
images	O
and	O
other	O
data	O
are	O
automatically	O
transferred	O
in	O
the	O
background	O
.	O
</s>
