1
Michael L Bolan, Nicholas Fekete: Electronic micro identification circuit that is inherently bonded to someone or something. Dallas Semiconductor Corporation, June 9, 1998: US05764888 (163 worldwide citation)

This invention relates to a small portable microprocessor based circuit (electronic module) that contains information about the user of the circuit that is known or inherently known by the user. The circuit is small enough to fit inside a thickened U.S. nickel and enables a user to perform secure tr ...


2
Stephen M Curry, Donald W Loomis, Christopher W Fox: Method, apparatus, system and firmware for secure transactions. Dallas Semiconductor Corporation, Jenkens & Gilchrist, August 15, 2000: US06105013 (155 worldwide citation)

The present invention relates to an electronic module used for secure transactions. More specifically, the electronic module is capable of passing information back and forth between a service provider's equipment via a secure, encrypted technique so that money and other valuable data can be securely ...


3
Kevin M Klughart: Wireless communication system with parallel polling. Dallas Semiconductor Corporation, Worsham Forsythe Sampels & Wooldridge, June 18, 1991: US05025486 (142 worldwide citation)

A system which can provide short-range wireless data communication between a base station and a portable low-power module. Each portable module has an identification field by which it can be addressed separately. The identification field (which is 64 bits long in the presently preferred embodiment) ...


4
Wendell L Little, Stephen M Curry, Donald W Loomis: Systems and methods for protecting access to encrypted information. Dallas Semiconductor Corporation, Jenkens & Gilchrist A Professional Corportion, August 7, 2001: US06272637 (130 worldwide citation)

A microcontroller communicating via a data path and an address path with a memory block containing encrypted contents, the microcontroller including the capability for detecting resets effectuated in the wake of an unauthorized attempt to gain access to the encrypted contents and the capability of e ...


5
Stephen M Curry, Donald W Loomis, Christopher W Fox: Method, apparatus, system and firmware for secure transactions. Dallas Semiconductor Corporation, Jenkens & Gilchrist P C, May 5, 1998: US05748740 (96 worldwide citation)

The present invention relates to an electronic module used for secure transactions. More specifically, the electronic module is capable of passing information back and forth between a service provider's equipment via a secure, encrypted technique so that money and other valuable data can be securely ...


6
Stephen M Curry, Donald W Loomis, Michael L Bolan: Transfer of valuable information between a secure module and another module. Dallas Semiconductor Corporation, Jenkens & Gilchrist, August 17, 1999: US05940510 (96 worldwide citation)

The present invention rotates to system, apparatus and method for communicating valuable data from a portable module to another module via an electronic device. More specifically, the disclosed system, apparatus and method are useful for enabling a user to fill a portable module with a cash equivale ...


7
Stephen M Curry, Donald W Loomis, Christopher W Fox: Method, apparatus, and system for transferring units of value. Dallas Semiconductor Corporation, Jenkens & Gilchrist, September 8, 1998: US05805702 (95 worldwide citation)

The present invention relates to an electronic module used for secure transactions. More specifically, the electronic module is capable of passing encrypted information back and forth between a service provider's equipment via a secure, encrypted technique so that money and other valuable data can b ...


8
Donald R Dias: Temperature-stabilized oscillator. Dallas Semiconductor Corporation, Worsham Forsythe Sampels & Wooldridge, September 19, 1989: US04868525 (91 worldwide citation)

An oscillator with reduced temperature-dependence. A time-delay circuit uses both a pull-up resistor and a pull-down resistor, of two different types, to charge a capacitor. The material with the smallest available thermal coefficient of resistance (TCR) is used for the pull-up resistor. Another mat ...


9
Titkwan Hui, Robert W Mounger: Programmable delay line. Dallas Semiconductor Corporation, Jenkens & Gilchrist A Professional Corporation, August 3, 1999: US05933039 (88 worldwide citation)

Digital signal delay lines with electrically programmable and trimmable delay times, including electrically erasable and reprogrammable delay times. Floating gate field effect transistors are programmed to select current, capacitance, and/or threshold and thereby set a delay time determined by acurr ...


10
Robert D Lee: Command/data transfer protocol for one-wire-bus architecture. Dallas Semiconductor Corporation, Jenkens & Gilchrist, September 15, 1998: US05809518 (85 worldwide citation)

A command protocol for a single wire bus for transmitting and receiving commands and data. The command protocol includes a serial command word which facilitates communication between a host circuit and a slave circuit. The serial command word is divided into portions which can be used to reset the s ...