Patents by Inventor Parameswaran B. Nair
Parameswaran B. Nair has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5559315Abstract: A low cost, compact embossed card reader for reading embossed characters on credit or debit cards and for integration into a combined magnetic character/magnetic stripe terminal. A low-profile housing forms a card path and provides a surface for mounting a removable read head. The housing includes an integrated card guide for guiding the embossed characters along a linear path adjacent the read head. The read head includes a plurality of pins mounted orthogonally to the card, and aligned so as to scan each of the embossed characters in parallel paths as the card moves relative to the read head. The pins move upwardly as they encounter an embossed character and open a normally closed switch formed by a printed circuit board and a plurality of leaf spring fingers. Improved data acquisition and decode methods for sampling the embossed character data and decoding the data to form an account number. The data acquisition method samples the embossed characters at a predetermined rate.Type: GrantFiled: June 20, 1994Date of Patent: September 24, 1996Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, John C. Evans, James F. Price
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Patent number: 5479530Abstract: A data card terminal, such as a credit card transaction terminal, is disclosed. The terminal includes a transaction terminal comprising an embossed character reader and magnetic stripe reader, with a separate signature capture printer. The transaction terminal is operative for detecting the physical presence of a data card during a card transaction. The embossed character reader employs a tactile imager and pattern recognition for detecting the embossed characters on the data card. A signature capturing printer prints a paper receipt, which is signed by a cardholder at a signature capturing window on the printer. A signature capturing system digitizes and compresses signals corresponding to the signature of the card holder. Transaction data including compressed signature signals and signals indicative of the presence of the card are transmitted to the host computer system of a transaction processor, who guarantees the transaction as chargeback-protected under certain circumstances.Type: GrantFiled: June 30, 1993Date of Patent: December 26, 1995Assignee: Microbilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, Murray A. Morton, Holly B. Krahe, John C. Evans, Mark Brady, Edward G. Kligfeld, Thomas J. Liney, Paul W. Noblett, Jr., Laura J. Turner, Diane T. Vogt, James F. Price
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Patent number: 5466920Abstract: Real time decoding methods and apparatus for a card transaction terminal used for reading a magnetic stripe on a data card. The method is implemented in a microcomputer employed in the terminal. The data decode method for the microcomputer decodes data in real time as it is read from the magnetic stripe on the card and obviates random access memory external to the microcomputer. A memory is provided in the terminal large enough to store data characters corresponding to at least one predetermined data field on the card generated during a swipe of the card but insufficient to store all of the self clocking signals generated during the swipe. A sentinel character in the self clocking signals is first decoded. Then, a data character associated with the at least one predetermined data field is decoded in response to a predetermined number of self clocking signals generated subsequent to the sentinel character. Finally, the decoded data character is stored in the memory.Type: GrantFiled: November 8, 1991Date of Patent: November 14, 1995Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills, John C. Evans
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Patent number: 5448047Abstract: A method of obtaining and providing card identifying information from a data card presented in connection with a financial transaction, the data card having a magnetic stripe and an embossed region containing identifying information, the method being carried out in a data card terminal. The data card terminal is operative for gathering credit card or check information required for customer transactions at a point of sale. The method comprises providing a transaction risk parameter selectively indicative of a first or second level of transaction security to be provided for the data card terminal. In response to the transaction risk parameter indicating the first level of security, verified card identifying information is provided if either the first data record region or the second data region contains valid card identifying information. In response to the transaction risk parameter indicating the second level of security, a second level security check is performed.Type: GrantFiled: June 16, 1994Date of Patent: September 5, 1995Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, John C. Evans, James F. Price, Kumar S. Choudhuri, James T. Stills, Victor V. Goulding
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Patent number: 5444616Abstract: A multi-reader terminal including a magnetic stripe reader, an embossed character reader, and a magnetic ink character recognition (MICR) check reader, in an integrated stand-alone unit. The terminal is operative for gathering credit card or check information required for customer transactions at the point of sale. The terminal provides a single card passageway for receiving a credit card having a magnetic stripe and embossed characters. The magnetic stripe reader and embossed character reader read the credit card as it travels in the passageway. The embossed character reader may be selectively retracted from the card passageway. The terminal includes a plurality of serial communications ports that allow the terminal to be connected in series between a host computer and an electronic cash register. The serial ports allow connection of a signature capture pad, a personal identification number (PIN) pad, and other serial devices.Type: GrantFiled: June 16, 1994Date of Patent: August 22, 1995Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, James F. Price, Victor V. Goulding
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Patent number: 5438186Abstract: A multi-reader terminal including a magnetic stripe reader, an embossed character reader, and a magnetic ink character recognition (MICR) check reader, in an integrated stand-alone unit. The terminal is operative for gathering credit card or check information required for customer transactions at the point of sale. The terminal provides a single card passageway for receiving a credit card having a magnetic stripe and embossed characters. The magnetic stripe reader and embossed character reader read the credit card as it travels in the passageway. The embossed character reader may be selectively retracted from the card passageway. The terminal includes a plurality of serial communications ports that allow the terminal to be connected in series between a host computer and an electronic cash register. The serial ports allow connection of a signature capture pad, a personal identification number (PIN) pad, and other serial devices.Type: GrantFiled: June 17, 1994Date of Patent: August 1, 1995Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, John C. Evans, James F. Price, Kumar S. Choudhuri, James T. Stills, Victor V. Goulding
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Patent number: 5432326Abstract: Systems and methods for operating a data card terminal, such as a credit card transaction terminal, for providing chargeback protection services for the benefit of merchants are disclosed. The terminal includes a transaction terminal comprising an embossed character reader and magnetic stripe reader, with a separate signature capture printer. The transaction terminal is operative for detecting the physical presence of a data card during a card transaction. The embossed character reader employs a tactile imager and pattern recognition for detecting the embossed characters on the data card. A signature capturing printer prints a paper receipt, which is signed by a cardholder at a signature capturing window on the printer. A signature capturing system digitizes and compresses signals corresponding to the signature of the card holder.Type: GrantFiled: June 28, 1994Date of Patent: July 11, 1995Assignee: National Bancard CorporationInventors: Paul W. Noblett, Jr., Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew, John C. Evans, Shelley K. Friedman, James H. Hamilton, Edward G. Kligfeld, Holly B. Krahe, Thomas J. Liney, Murray A. Morton, Parameswaran B. Nair, Gregory A. Philmon, James F. Price, James T. Stills, Laura J. Turner, Diane T. Vogt
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Patent number: 5428210Abstract: A data card terminal, such as a credit card transaction terminal, is disclosed. The terminal includes a transaction terminal comprising an embossed character reader and magnetic stripe reader, with a separate signature capture printer. The transaction terminal is operative for detecting the physical presence of a data card during a card transaction. The embossed character reader employs a tactile imager and pattern recognition for detecting the embossed characters on the data card. A signature capturing printer prints a paper receipt, which is signed by a cardholder at a signature capturing window on the printer. A signature capturing system digitizes and compresses signals corresponding to the signature of the card holder. Transaction data including compressed signature signals and signals indicative of the presence of the card are transmitted to the host computer system of a transaction processor, who guarantees the transaction as chargeback-protected under certain circumstances.Type: GrantFiled: January 10, 1992Date of Patent: June 27, 1995Assignee: National Bancard CorporationInventors: Parameswaran B. Nair, Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew, John C. Evans, Shelley K. Friedman, James H. Hamilton, Edward G. Kligfeld, Holly B. Krahe, Thomas J. Liney, Murray A. Morton, Paul W. Noblett, Jr., Gregory A. Philmon, James F. Price, James T. Stills, Laura J. Turner, Diane T. Voght
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Patent number: 5426286Abstract: A low cost, easily manufacturable, and easy to use card transaction terminal for reading a magnetic stripe on a data card. A two piece case snaps securely together without screws or other fasteners. The case includes printed circuit board supports for receiving and temporarily supporting a single, double sided circuit board. The circuit board includes minimized circuit components, including a microcomputer with integral program read-only memory. An improved data read head sub-assembly facilitates assembly and provides for precise positioning of data read head and substantially parallel biasing of the read head against the magnetic stripe of a data card. Keying features ensure that the read head subassembly is mounted in the proper orientation. An integral strain relief mechanism formed in the two piece case provides strain relief for power cord without additional hardware.Type: GrantFiled: October 22, 1993Date of Patent: June 20, 1995Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills, John C. Evans
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Patent number: 5404000Abstract: A data card terminal, such as a credit card transaction terminal, is disclosed. The terminal includes a transaction terminal comprising an embossed character reader and magnetic stripe reader, with a separate signature capture printer. The transaction terminal is operative for detecting the physical presence of a data card during a card transaction. The embossed character reader employs a tactile imager and pattern recognition for detecting the embossed characters on the data card. A signature capturing printer prints a paper receipt, which is signed by a cardholder at a signature capturing window on the printer. A signature capturing system digitizes and compresses signals corresponding to the signature of the card holder. Transaction data including compressed signature signals and signals indicative of the presence of the card are transmitted to the host computer system of a transaction processor, who guarantees the transaction as chargeback-protected under certain circumstances.Type: GrantFiled: June 18, 1993Date of Patent: April 4, 1995Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew, John C. Evans, Shelley K. Friedman, James H. Hamilton, Edward G. Kligfeld, Holly B. Krahe, Thomas J. Liney, Murray A. Morton, Paul W. Noblett, Jr., Gregory A. Philmon, James F. Price, James T. Stills, Laura J. Turner, Diane T. Vogt
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Patent number: 5396545Abstract: A low cost, easily manufacturable, and easy to use card transaction terminal for reading a magnetic stripe on a data card. A two piece case snaps securely together without screws or other fasteners. The case includes printed circuit board supports for receiving and temporarily supporting a single, double sided circuit board. The circuit board includes minimized circuit components, including a microcomputer with integral program read-only memory. An improved data read head sub-assembly facilitates assembly and provides for precise positioning of data read head and substantially parallel biasing of the read head against the magnetic stripe of a data card. Keying features ensure that the read head subassembly is mounted in the proper orientation. An integral strain relief mechanism formed in the two piece case provides strain relief for power cord without additional hardware.Type: GrantFiled: October 22, 1993Date of Patent: March 7, 1995Assignee: Microbilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills, John C. Evans
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Patent number: 5386458Abstract: Systems and methods for operating a data card terminal, such as a credit card transaction terminal, for providing chargeback protection services for the benefit of merchants are disclosed. The terminal includes a transaction terminal comprising an embossed character reader and magnetic stripe reader, with a separate signature capture primer. The transaction terminal is operative for detecting the physical presence of a data card during a card transaction. The embossed character reader employs a tactile imager and pattern recognition for detecting the embossed characters on the data card. A signature capturing printer prints a paper receipt, which is signed by a cardholder at a signature capturing window on the printer. A signature capturing system digitizes and compresses signals corresponding to the signature of the card holder.Type: GrantFiled: November 5, 1993Date of Patent: January 31, 1995Assignee: National Bancard CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, James H. Hamilton, Gregory A. Philmon, James T. Stills
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Patent number: 5369263Abstract: A low cost, compact embossed card reader for reading embossed characters on credit or debit cards and for integration into a combined embossed character/magnetic stripe terminal. A low-profile housing forms a card path and provides a surface for mounting a removable read head. The housing includes an integrated card guide for guiding the embossed characters along a linear path adjacent the read head. The read head includes a plurality of pins mounted orthogonally to the card, and aligned so as to scan each of the embossed characters in parallel paths as the card moves relative to the read head. The pins move upwardly as they encounter an embossed character and open a normally closed switch formed by a printed circuit board and a plurality of leaf spring fingers. Improved data acquisition and decode methods for sampling the embossed character data and decoding the data to form an account number. The data acquisition method samples the embossed characters at a predetermined rate.Type: GrantFiled: October 30, 1992Date of Patent: November 29, 1994Assignee: Microbilt CorporationInventors: Parameswaran B. Nair, John C. Evans, James F. Price
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Patent number: 5362952Abstract: A low cost, easily-manufacturable circuit for a data card transaction terminal for reading a magnetic stripe on a data card. The circuit comprises a single, double-sided circuit board having minimized circuit components. The printed circuit board mounts an alphanumeric liquid crystal display (LCD) to a first side of the circuit board, a single chip LCD driver circuit, a bracket for extending through mounting holes in the circuit board and holding the liquid crystal display, keypad electrical contacts formed on the first side of the circuit board, and a plurality of circuit components all affixed to the second side of the circuit board.Type: GrantFiled: October 22, 1993Date of Patent: November 8, 1994Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills, John C. Evans
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Patent number: 5357563Abstract: A data card terminal, such as a credit card transaction terminal, is disclosed. The terminal is capable of requesting and receiving electronic authorization indicia via alternative communications links. The terminal includes first communications means for automatically connecting the terminal with a transaction processing host computer system via a first communications link, and second communications means for automatically connecting the terminal with the transaction processing host computer system via a separate second communications link if the first link fails. A third communications means automatically connects the terminal to an audio response unit (ARU) via a third communications link in response to a "call me" signal from the host computer system, or if the first and second communications links fail. Transaction data is automatically transmitted from the terminal to the ARU via DTMF signals.Type: GrantFiled: June 17, 1993Date of Patent: October 18, 1994Assignee: MicroBilt CorporationInventors: James H. Hamilton, Peter R. Cavicchi, Timothy W. Depew, Shelley K. Friedman, Edward G. Kligfeld, Paul W. Noblett, Jr., Diane T. Vogt, James T. Stills, Gregory A. Philmon, Parameswaran B. Nair, Murray A. Morton
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Patent number: 5334823Abstract: Systems and methods for operating a data card terminal, such as a credit card transaction terminal, for providing chargeback protection services for the benefit of merchants are disclosed. The terminal includes a transaction terminal comprising an embossed character reader and magnetic stripe reader, with a separate signature capture printer. The transaction terminal is operative for detecting the physical presence of a data card during a card transaction. The embossed character reader employs a tactile imager and pattern recognition for detecting the embossed characters on the data card. A signature capturing printer prints a paper receipt, which is signed by a cardholder at a signature capturing window on the printer. A signature capturing system digitizes and compresses signals corresponding to the signature of the card holder.Type: GrantFiled: January 10, 1992Date of Patent: August 2, 1994Assignee: National Bancard CorporationInventors: Paul W. Noblett, Jr., Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew, John C. Evans, Shelley K. Friedman, James H. Hamilton, Edward G. Kligfeld, Holly B. Krahe, Thomas J. Liney, Murray A. Morton, Parameswaran B. Nair, Gregory A. Philmon, James F. Price, James T. Stills, Laura J. Turner, Diane T. Vogt
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Patent number: D338876Type: GrantFiled: November 7, 1991Date of Patent: August 31, 1993Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, John C. Evans
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Patent number: D348440Type: GrantFiled: January 8, 1993Date of Patent: July 5, 1994Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, John C. Evans, James L. Hanna, James F. Price
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Patent number: D359951Type: GrantFiled: February 14, 1994Date of Patent: July 4, 1995Assignee: MicroBilt CorporationInventors: Parameswaran B. Nair, Kumar S. Choudhuri, John C. Evans, James L. Hanna, James F. Price