Cradlepoint USB-Host to Ethernet Adapter PS6U1UHE Uživatelský manuál

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(12)
United
States
Patent
Young
US007984226B2
US
7,984,226
B2
Jul.
19,
2011
(10)
Patent
N0.:
(45)
Date
of
Patent:
(54)
(75)
(73)
(21)
(22)
(65)
(51)
(52)
(58)
METHOD
FOR
SENSING
AND
AUTO
SWITCHING
BETWEEN
TWO
USB
INPUT
PORTS
TO
A
SINGLE
PORT
ON
THE
PDA
Inventor:
Timothy
Young,
Clover,
SC
(US)
Assignee:
Hand
Held
Products,
Inc.,
Skaneateles
Falls,
NY
(US)
Notice:
Subject
to
any
disclaimer,
the
term
of
this
patent
is
extended
or adjusted
under
35
U.S.C.
154(b)
by
91 days.
Appl.
No.:
12/482,035
Filed:
Jun.
10,
2009
Prior
Publication
Data
US
2010/0318715A1
Dec.
16,
2010
Int.
Cl.
G06F
13/20
G06F
3/00
G06F
13/36
(2006.01)
G06K
7/10
(2006.01)
US.
Cl.
............
..
710/313;
710/17; 710/18; 710/62;
710/63;
710/305;
710/314;
710/315;
235/462.01;
713/401
(2006.01)
(2006.01)
Field
of
Classi?cation
Search
..................
..
710/
17,
710/18,
62, 63,
305
See
application
?le
for
complete
search
history.
(56)
References
Cited
U.S.
PATENT
DOCUMENTS
6,633,921
B1
10/2003
Pan
6,657,889
B1*
12/2003
6,976,626
B2*
12/2005
7,502,878
B1*
3/2009
7,764,784
B2*
7/2010
Sewall
...................
..
379/42802
2001/0032280
A1
10/2001
Osakadaetal.
2007/0245058
A1
10/2007
WurZburg
et
a1.
FOREIGN
PATENT
DOCUMENTS
GB
2352540
A
3/2001
OTHER
PUBLICATIONS
Subramanian
et
al.
.....
..
365/158
European
Search
Report
of
corresponding
EP
application
No.
10165453.1-2212,
dated
Sep.
15,
2010,
total
7
pgs.
SMSCiSuccess
by
Design,
Product
Datasheet,
USB
MultiSWitch
Hub
USB
2524,
Revision
1.91
(Aug.
22,
2007)
total
57
pgs.
CradlePoint,
Inc.,
Cradlepoint
Technology,
User
Guide
for
PS6U1UHE,
USB-Host
to
Ethernet
Adapter,
16
pgs.
*
cited
by
examiner
Primary
Examiner
*
Brian
T
Misiura
(74)
Attorney,
Agent,
or
Firm
*
Hiscock
&
Barclay,
LLP
(57)
ABSTRACT
Routing
circuitry
for
automatically
routing
either
a
?rst
set
of
USB
signals
derived
from
an
Ethernet
local
area
network
(LAN)
at
an
Ethernet
connector
or a
second
set
of
USB
signals
derived
from
a
USB
host
at
a
USB
connector
to
an
output
connector
Which
can
interface
With
a
data
processing
device.
8
Claims,
5
Drawing
Sheets
Q
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Shrnutí obsahu

Strany 1 - 7,984,226

(12) United States Patent Young US007984226B2 US 7,984,226 B2 Jul. 19, 2011 (10) Patent N0.: (45) Date of Patent: (54) (75) (73) (21) (22) (65) (51) (

Strany 2

US 7,984,226 B2 7 USB signals, and later generates a second set of ?rst input signals to pass the USB data signals from the ?rst set of USB signals or

Strany 3

US. Patent Jul. 19, 2011 Sheet 1 015 US 7,984,226 B2 KT / 16\ 22 FIG. 1 / ®@ @6 § 14

Strany 5

US. Patent Jul. 19, 2011 Sheet 3 015 US 7,984,226 B2 VBUSEXT (Q 82 24 VBUS -USBEXT <%% DM DP +USBEXT < (83:31am SHIELD > DTRx VCCOUT < >

Strany 7

US. Patent Jul. 19, 2011 Sheet 5 015 US 7,984,226 B2 140 4H 152 | l 142 | I I I 144 I | I —A— 1 | —// I 'l kvth —|—>- l 154 | | | I T0 T1

Strany 8

US 7,984,226 B2 1 METHOD FOR SENSING AND AUTO SWITCHING BETWEEN TWO USB INPUT PORTS TO A SINGLE PORT ON THE PDA FIELD OF THE INVENTION The present inv

Strany 9

US 7,984,226 B2 3 the docking cradle passes With any data present at the Ether net jack 20 to and from the MDT 10. The docking cradle 12 connects USB

Strany 10

US 7,984,226 B2 INl 1N2 COM to NO and NO to COM COM isolated from N00, N01, and N02 COM = NOl COM = NOO COM = NO2 Thus, the COM terminal and the signa

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