Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Reexamination Certificate
2007-01-09
2007-01-09
Jackson, Stephen W. (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
C361S087000
Reexamination Certificate
active
10660662
ABSTRACT:
A signal driving system generates an output swinging between a first power supply (e.g., about 1.2 Volts), powering first and second drivers, and a second power supply (e.g., about 3.3 Volts), powering a first current mirror. The second power supply is generated external to the signal driving system and is used to allow for a desired common-mode differential output signal range. However, the second power supply produces voltage at a level above a rating of the devices in the signal driving system. Therefore, protection devices are used to protect the elements of the signal driving system from the second power supply. Accordingly, through use of the signal driving system of the present invention, a high voltage current mode driver can operate in a low voltage process without damaging the devices in the signal driving system.
REFERENCES:
patent: 5889431 (1999-03-01), Csanky
patent: 6337884 (2002-01-01), Cao et al.
patent: 6710603 (2004-03-01), Gregorius
patent: 2002/0017920 (2002-02-01), Bridgewater, Jr.
1394, Agere Systems Inc., from http://www.agere/cpm/entnet/1394.html, 2 pages, printed Mar. 17, 2006 (Copyright 2002-2006).
1394Philips, from http://www.semiconductors.philips.com/products.connectivity-/1394/index.html, 2 pages, printed Mar. 17, 2006 (Copyright 2004-2005).
1394 Integrated Devices Product Home from Texas Instruments, Texas Instruments Inc.., from http://focus.ti.com/paramsearch/docs/parametricsearch.tsp!family=analog&family-Id=547&uiTemplateId=NODE STRY PGE T¶mCriteria=no., 2 pages, printed Mar. 17, 2006 (Copyright 1995-2005).
FW803 PHY IEEE* 1395A Three-Cable Transceiver/Arbiter Device, Data Sheet, Rev. 3, Agere Systems Inc., 24 pages (Jun. 2001).
PDII394P21 3-port 400 Mbps physical layer interface, Data Sheet, Philips, 40 pages (Sep. 6, 2001).
PDII394P23 2-port/I-port 400 Mbps physical layer interface, Data Sheet, Philips, 42 pages (Sep. 6, 2001).
TSB41AB3 IEEE 139a-2000 Three-Port Cable Transceiver/Arbiter, Texas Instruments Inc., 50 pages (Copyright 2001).
TSB81A3 IEEE 1394b Three-Port Cable Transceiver/Arbiter, Texas Instruments Inc., 57 pages (Copyright 2002).
Chambers Mark J
Cheung Darwin
Cheung Yee Ling
van Engelen Josephus A. E. P.
Broadcom Corporation
Jackson Stephen W.
Nguyen Danny
Sterne Kessler Goldstein & Fox P.L.L.C.
LandOfFree
Signal driving system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Signal driving system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal driving system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3809402