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These are representative patents secured by Mr. Thappeta as a US patent practitioner before moving to India in 2000. This list mere reflects the complexity of work we are able to undertake.
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Client:
Paradise Electronics/Genesis Microchip |
| S.No |
Code |
Description |
| 1 |
6,320,574 |
Circuit
and method for generating pixel data elements from analog image
data and associated synchronization signals |
| 2 |
6,272,193
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Receiver
to recover data encoded in a serial communication channel |
| 3 |
6,268,848 |
Method and apparatus implemented in an automatic sampling phase
control system for digital monitors |
| 4 |
6,232,952 |
Method and apparatus for comparing frequently the phase of a
target clock signal with the phase of a reference clock signal
enabling quick synchronization |
| 5 |
6,157,376 |
Method and apparatus for generating a target clock signal having
a frequency of X/Y times the frequency of a reference clock
signal |
| 6 |
6,147,668 |
Digital display unit of a computer system having an improved
method and apparatus for sampling analog display signals |
| 7 |
6,054,980 |
Display unit displaying images at a refresh rate less than the
rate at which the images are encoded in a received display signal
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| 8 |
6,046,738 |
Method and apparatus for scanning a digital display screen of
a computer screen at a horizontal scanning frequency lower than
the origin frequency of a display signal |
| 9 |
6,028,571 |
Digital display unit in a computer system with an improved method
and apparatus for determining a source mode using which a received
analog display signal was generated |
| 10 |
6,011,538 |
Method and apparatus for displaying images when an analog-to-digital
converter in a digital display unit is unable to sample an analog
display signal at a desired high sampling frequency |
| 11 |
6,005,544 |
Digital display unit in a computer system for enabling a user
to conveniently select a desired monitor mode for displaying
images encoded in a received analog display signal |
| 12 |
6,002,446 |
Method and apparatus for upscaling an image |
| 13 |
5,987,624 |
Method and apparatus for automatically determining signal parameters
of an analog display signal received by a display unit of a
computer system |
| 14 |
5,847,701 |
Method and apparatus implemented in a computer system for determining
the frequency used by a graphics source for generating an analog
display signal |
| 15 |
5,796,392 |
Method and apparatus for clock recovery in a digital display
unit |
| 16 |
5,739,867 |
Method and apparatus for upscaling an image in both horizontal
and vertical directions |
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Client:
TeleCruz Technology |
| S.No |
Code |
Description |
| 1 |
6,307,903 |
Low pass digital filter implemented in a modem of a television
system |
| 2 |
6,259,487 |
Method and apparatus for enabling a user to access data network
applications from a television system
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| 3 |
6,177,959 |
Circuit and method for generating a clock signal synchronized
with time reference signals associated with television signals |
| 4 |
6,130,719 |
Method
and apparatus for accurately recovering the synchronization
signals contained in composite video signals |
| 5 |
6,091,457 |
Method
and apparatus for refreshing a display screen of a television
system with images representing network application data |
| 6 |
6,091,454
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Method
and apparatus for displaying images having adjacent horizontal
blocks with sharp contrast on a display unit of a television
system |
| 7 |
6,072,530 |
Flicker
filter and interlacer implemented in a television system displaying
network application data |
| 8 |
6,057,888 |
Method and apparatus for enabling a user to access data network
applications from a television system |
| 9 |
6,043,848 |
Television system for recovering digital data encoded in a television
signal |
| 10 |
6,005,630 |
Method
and apparatus for displaying images representing network application
data along with interlaced images encoded in television signals.
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| 11 |
5,990,969 |
Method
and apparatus for refreshing a display screen of a television
system with images representing network application data |
| 12 |
5,959,680 |
Method and apparatus for reducing flicker in the television
display of network application data |
| 13 |
5,946,051 |
Method
and apparatus for enabling a user to access data network applications
from a television system |
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Client:
Zeitnet Division of Cabletron/Riverstone |
| S.No |
Code |
Description |
| 1 |
6,396,834 |
Flexible
scheduler in an asynchronous transfer mode (ATM) switch |
| 2 |
6,349,089 |
Flexible
scheduler in an asynchronous transfer mode (ATM) switch |
| 3 |
6,292,492 |
Efficient method and apparatus for allocating memory space used
for buffering cells received on several connections in an asynchronous
transfer mode (ATM) switch |
| 4 |
6,219,352 |
Queue
management with support for multicasts in an asynchronous transfer
mode (ATM) switch |
| 5 |
6,069,872 |
Explicit
rate congestion control system and method |
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Client:
Starium, Inc |
| S.No |
Code |
Description |
| 1 |
6,084,958 |
Determining the manner in which the wires connecting to a base
set of a telephone system are used for transmission and reception
of electrical signals representing a communication |
| 2 |
6,070,178 |
Generating random numbers from random signals without being
affected by any interfering signals |
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Client:
Tharas Systems |
| S.No |
Code |
Description |
| 1 |
6,138,266 |
Functional verification of integrated circuit designs |
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Client:
Covad Communications |
| S.No |
Code |
Description |
| 1 |
6,028,867 |
System, method, and network for providing high speed remote
access from any location connected by a local loop to a central
office |
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