Assignee
DALLAS SEMICONDUCTOR
US331 patents
Top patents by PatentIndex Score
US6016255AJan 18, 2000
Portable data carrier mounting system
DALLAS SEMICONDUCTOR145 citations99
US5949880ASep 7, 1999
Transfer of valuable information between a secure module and another module
DALLAS SEMICONDUCTOR181 citations99
US5940510AAug 17, 1999
Transfer of valuable information between a secure module and another module
DALLAS SEMICONDUCTOR244 citations99
US5809518ASep 15, 1998
Command/data transfer protocol for one-wire-bus architecture
DALLAS SEMICONDUCTOR149 citations99
US5638418AJun 10, 1997
Temperature detector systems and methods
DALLAS SEMICONDUCTOR144 citations99
US5532958AJul 2, 1996
Dual storage cell memory
DALLAS SEMICONDUCTOR164 citations99
US5249298ASep 28, 1993
Battery-initiated touch-sensitive power-up
DALLAS SEMICONDUCTOR163 citations99
US5237699AAug 17, 1993
Nonvolatile microprocessor with predetermined state on power-down
DALLAS SEMICONDUCTOR155 citations99
US5210846AMay 11, 1993
One-wire bus architecture
DALLAS SEMICONDUCTOR121 citations99
US5175845ADec 29, 1992
Integrated circuit with watchdog timer and sleep control logic which places IC and watchdog timer into sleep mode
DALLAS SEMICONDUCTOR189 citations99
US4937781AJun 26, 1990
Dual port ram with arbitration status register
DALLAS SEMICONDUCTOR250 citations99
US6438502B1Aug 20, 2002
Environmental condition sensor device and method
DALLAS SEMICONDUCTOR487 citations98
US6237095B1May 22, 2001
Apparatus for transfer of secure information between a data carrying module and an electronic device
DALLAS SEMICONDUCTOR186 citations98
US6217213B1Apr 17, 2001
Temperature sensing systems and methods
DALLAS SEMICONDUCTOR102 citations98
US6105013AAug 15, 2000
Method, apparatus, system and firmware for secure transactions
DALLAS SEMICONDUCTOR486 citations98
US5805702ASep 8, 1998
Method, apparatus, and system for transferring units of value
DALLAS SEMICONDUCTOR180 citations98
US5764888AJun 9, 1998
Electronic micro identification circuit that is inherently bonded to someone or something
DALLAS SEMICONDUCTOR212 citations98
US5748740AMay 5, 1998
Method, apparatus, system and firmware for secure transactions
DALLAS SEMICONDUCTOR225 citations98
US5182810AJan 26, 1993
Isolation gates to permit selective power-downs within a closely-coupled multi-chip system
DALLAS SEMICONDUCTOR140 citations98
US4868525ASep 19, 1989
Temperature-stabilized oscillator
DALLAS SEMICONDUCTOR129 citations98
US6239732B1May 29, 2001
One-wire device with A-to-D converter
DALLAS SEMICONDUCTOR291 citations97
US6219789B1Apr 17, 2001
Microprocessor with coprocessing capabilities for secure transactions and quick clearing capabilities
DALLAS SEMICONDUCTOR109 citations97
US6122704ASep 19, 2000
Integrated circuit for identifying an item via a serial port
DALLAS SEMICONDUCTOR108 citations97
US5933039AAug 3, 1999
Programmable delay line
DALLAS SEMICONDUCTOR169 citations97
US5832207ANov 3, 1998
Secure module with microprocessor and co-processor
DALLAS SEMICONDUCTOR119 citations97
US5684828ANov 4, 1997
Wireless data module with two separate transmitter control outputs
DALLAS SEMICONDUCTOR118 citations97
US5592069AJan 7, 1997
Battery charger
DALLAS SEMICONDUCTOR82 citations97
US5398326AMar 14, 1995
Method for data communication
DALLAS SEMICONDUCTOR93 citations97
US6969970B2Nov 29, 2005
Method of controlling the charging of a battery
DALLAS SEMICONDUCTOR55 citations96
US6367024B1Apr 2, 2002
Low power power-on reset circuitry having dual states
DALLAS SEMICONDUCTOR43 citations96
US6272637B1Aug 7, 2001
Systems and methods for protecting access to encrypted information
DALLAS SEMICONDUCTOR196 citations96
US6141764AOct 31, 2000
Method for initializing an electronic device using a dual-state power-on-reset circuit
DALLAS SEMICONDUCTOR78 citations96
US6115441ASep 5, 2000
Temperature detector systems and methods
DALLAS SEMICONDUCTOR125 citations96
US6112275AAug 29, 2000
Method of communicating over a single wire bus between a host device and a module device which measures thermal accumulation over time
DALLAS SEMICONDUCTOR80 citations96
US6108751AAug 22, 2000
Single wire data communication method
DALLAS SEMICONDUCTOR49 citations96
US6064316AMay 16, 2000
Electrical/mechanical access control systems and methods
DALLAS SEMICONDUCTOR105 citations96
US6018228AJan 25, 2000
Rechargeable battery pack capable of transmitting dynamic data about itself
DALLAS SEMICONDUCTOR69 citations96
US5998858ADec 7, 1999
Microcircuit with memory that is protected by both hardware and software
DALLAS SEMICONDUCTOR145 citations96
US5959926ASep 28, 1999
Programmable power supply systems and methods providing a write protected memory having multiple interface capability
DALLAS SEMICONDUCTOR98 citations96
US5923159AJul 13, 1999
Logarithmic taper resistor with zero crossing changes
DALLAS SEMICONDUCTOR60 citations96
US5920096AJul 6, 1999
Electrostatic discharge protection systems and methods for electronic tokens
DALLAS SEMICONDUCTOR32 citations96
US5903767AMay 11, 1999
Integrated circuit for providing supervisory functions to a microprocessor
DALLAS SEMICONDUCTOR50 citations96
US5867006AFeb 2, 1999
Battery charger
DALLAS SEMICONDUCTOR48 citations96
US5864872AJan 26, 1999
Single wire communication system
DALLAS SEMICONDUCTOR60 citations96
US5850450ADec 15, 1998
Method and apparatus for encryption key creation
DALLAS SEMICONDUCTOR137 citations96
US5809519ASep 15, 1998
Systems and methods to convert signals multiplexed on a single wire to three wire
DALLAS SEMICONDUCTOR28 citations96
US5761697AJun 2, 1998
Identifiable modules on a serial bus system and corresponding identification methods
DALLAS SEMICONDUCTOR62 citations96
US5694024ADec 2, 1997
Battery charger
DALLAS SEMICONDUCTOR50 citations96
US5604343AFeb 18, 1997
Secure storage of monetary equivalent data systems and processes
DALLAS SEMICONDUCTOR43 citations96
US5581505ADec 3, 1996
Ram/ROM hybrid memory architecture
DALLAS SEMICONDUCTOR97 citations96
Showing the top 50 of 331 patents by PatentIndex Score.