1
Venkata T Gobburu, Krishnakumar Narayanan, Nagesh Challa, Michel E Gannage: Method and apparatus for acquiring, maintaining, and using information to be communicated in bar code form with a mobile communications device. ecrio, Altera Law Group, May 18, 2004: US06736322 (251 worldwide citation)

A user is provided with a secure database containing information in diverse categories that relates to the user and that may be represented at least in part in bar code form and communicated with light from a mobile communications device. The diverse information is obtained from any combination of a ...


2
Nagesh Challa, Venkata T Gobburu, Michel E Gannage: System, method, and apparatus for communicating information encoded in a light-based signal using a fob device. ecrio, Altera Law Group, April 12, 2005: US06877665 (141 worldwide citation)

A system, method, and apparatus for communicating information in a light-based signal utilizing a fob device is disclosed. One method disclosed includes encoding transmission information data into a bar code format; generating a signal from the bar code format to simulate a reflection of a scanning ...


3
Nagesh Challa, Venkata T Gobburu: System, method and apparatus for communicating information between a mobile communications device and a bar code reader. ecrio, Altera Law Group, February 3, 2004: US06685093 (129 worldwide citation)

A system, method, and apparatus for communicating information encoded in a bar code format between a mobile communications device and a bar code scanner. Transmission information data is encoded into a bar code format. A signal is generated from the bar code format to simulate a reflection of a scan ...


4
Nagesh Challa, Michel E Gannage: Methods and apparatus for hard disk emulation. Nexcom Technology, Skjerven Morrill MacPherson Franklin & Friel, March 1, 1994: US05291584 (96 worldwide citation)

A magnetic media hard disk is emulated in a solid state hard disk having a disk controller, a data buffer, a microcontroller, and a disk emulator section. The disk emulator section includes a disk emulator interface and a memory array. The architecture of the memory array includes a number of memory ...


5
Nagesh Challa, Venkata T Gobburu: Apparatus and method for portable handwriting capture. Ecrio, Dorsey & Whitney, May 28, 2002: US06396481 (84 worldwide citation)

A handwriting capture system combines an image capture device such as a PDA, notebook computer, set top box, smart television, or other type of smart appliance having an image capture capability and a built-in wireless transceiver, with an ink capture device such as, for example, a digital notepad u ...


6
Nagesh Challa, Venkata T Gobburu: System, method, and apparatus for communicating information between a mobile communications device and a bar code scanner. ecrio, Altera Law Group, April 18, 2006: US07028906 (67 worldwide citation)

A system, method, and apparatus for communicating information encoded in a bar code format between a mobile communications device and a bar code scanner. Transmission information data is encoded into a bar code format. A signal is generated from the bar code format to simulate a reflection of a scan ...


7
Michel E Gannage, Venkata T Gobburu, Nagesh Challa, Charles A Tracy: Battery operated ink capture device that operates in a normal power mode during active use and a minimum power mode during absence of active use. ecrio, Altera Law Group, February 10, 2004: US06691233 (48 worldwide citation)

A handwriting capture system includes a portable electronic tablet that capture pen strokes made on a standard pad of paper and transfer the captured pen strokes to a digital image capture device such as a personal data assistant or PDA using infrared communications circuitry. The portable electroni ...


8
Nagesh Challa: Single transistor EEPROM memory cell. Nexcom Technology, Law Offices of Thomas E Schatzel A Prof Corporation, June 22, 1993: US05222040 (44 worldwide citation)

A single-transistor non-volatile memory cell MOS transistor with a floating gate and a control gate using two levels of polysilicon and a tunnel dielectric that overlaps the drain area wherein a tunneling of charge can take place between the drain and the floating gate by means of a system of applie ...


9
Nagesh Challa: Electrically erasable programmable read-only memory array. Nexcom Technology, Skjerven Morrill MacPherson Franklin & Friel, May 9, 1995: US05414658 (37 worldwide citation)

A memory (1) operative in an erase mode, a program mode, or a read mode includes a memory cell array, word lines (30, 40, 50, 60), a row decoder (9) connected to the word lines, bit lines (2, 4, 6, 8), a precharge circuit (70, 72, 74, 76, 78, 80) connected to the bit lines, a load circuit (22, 23, 2 ...


10
Nagesh Challa: Single transistor EEPROM memory cell. Nexcom Technology, Skjerven Morrill MacPherson Franklin & Friel, October 18, 1994: US05357465 (37 worldwide citation)

A single-transistor non-volatile memory cell MOS transistor with a floating gate and a control gate using two levels of polysilicon and a tunnel dielectric that overlaps the drain area wherein a tunneling of charge can take place between the drain and the floating gate by means of a system of applie ...