| Patent Number |
Title Of Patent |
Date Issued |
| 8249251 |
Security system and method |
August 21, 2012 |
| A device for generating a seedless pseudo-random number, according to one embodiment, includes a first register containing a secret code; a second register containing a first random number generated locally and a second random number generated at a remote device; and an exclusive OR (XOR |
| 7818572 |
Security system and method |
October 19, 2010 |
| A first embodiment provides a process and system for simple, secure exchange of random numbers between two devices by combining a random number and a secret code (e.g., password) to generate a first challenge code, extracting the random number using the password at the second device, |
| 7728713 |
Accurate persistent nodes |
June 1, 2010 |
| A timing circuit that can function as an accurate persistent node in an RFID tag includes a power capture circuit for capturing power from a power source, and a counter circuit that provides a count representing a progression of time. The count can then be compared to a reference value |
| 7714726 |
Semi-transparent RFID tags |
May 11, 2010 |
| A "semi-transparent" antenna and Radio Frequency (RF) device implementing the same. The semi-transparent antenna gathers some of the RF energy in a carrier signal, but most of the energy in the RF wave does not couple into the antenna. Accordingly, because the antenna minimally affects t |
| 7683789 |
Compact omni-directional RF system |
March 23, 2010 |
| A radio frequency circuit for summing signals from multiple lobes of an antenna includes circuitry for converting RF signals from lobes of an antenna to baseband signals, and circuitry for summing the baseband signals from the lobes of an antenna. |
| 7646300 |
Master tags |
January 12, 2010 |
| A method for creating a hierarchy of radio frequency identification (RFID) tags and the resultant system include associating each of a plurality of first RFID tags with an individual object of a plurality of objects, each first RFID tag storing identification information about the object |
| 7643951 |
Battery monitor |
January 5, 2010 |
| A circuit tracks the total amount of time that a host device has spent in its high power "activated" state (and optionally idle and hibernate states) and thereby can estimate the total power consumed by the host device. A remote device can query the state of a counter storing a value |
| 7612652 |
Battery activation circuit |
November 3, 2009 |
| A system and method for selectively activating a device based on an activate command. A circuit, in low power mode, listens for an activate command. The activate command includes a preamplifer centering sequence, an interrupt signal, and an activate code. The circuit receives a signal |
| 7604178 |
Smart tag activation |
October 20, 2009 |
| Systems and methods for activating devices such as RFID tags includes activating a device if an activate command matches a value stored on the device. The activate command can also define which mode of operation or state the device will initiation in, and whether an additional function |
| 7593822 |
Battery monitor |
September 22, 2009 |
| Circuit and methods for tracking the total amount of time that a host device has spent in its high power "activated" state (and optionally idle and hibernate states) and thereby can estimate the total power consumed by the host device. A value representing this time may be send to a |
| 7559131 |
Method of making a radio frequency identification (RFID) tag |
July 14, 2009 |
| Methods of making a radio frequency identification (RFID) tag. A flexible strap is provided by disposing a plurality of RFID chips on a first web of flexible material and removing the flexible strap from the first web and attaching the flexible strap to an antenna on a flexible substrate |
| 7539030 |
Attribute cache memory |
May 26, 2009 |
| A memory system according to one embodiment includes a plurality of content addressable word decoders, and memory cells associated with each of the word decoders. A memory system according to another embodiment includes a word decoder storing an identifier which is a subset of a memo |
| 7417306 |
Apparatuses and methods for forming electronic assemblies |
August 26, 2008 |
| Apparatuses and methods for forming microelectronic assemblies are claimed. One embodiment of the invention includes a contact smart card wherein fluidic self assembly is used to build the microelectronic structures on the microelectronic assembly such that a contact smart data is tr |
| 7260882 |
Methods for making electronic devices with small functional elements supported on a carriers |
August 28, 2007 |
| Methods for making electronic devices with small functional elements supported on a carrier are presented. One method of making an electronic assembly is by first providing the following: a web of flexible material having a plurality of recesses, where each of the recesses containing an |
| 7172910 |
Web fabrication of devices |
February 6, 2007 |
| Apparatuses and methods for forming displays are claimed. One embodiment of the invention relates to forming an assembly using different sized blocks in either a flexible or rigid substrate. |
| 6985361 |
Electronic devices with small functional elements supported on a carrier |
January 10, 2006 |
| Methods and apparatuses for an electronic assembly. The electronic assembly has a first object created and separated from a host substrate. The first object has a first electrical circuitry therein. A carrier substrate is coupled to the first object wherein the first object is being |
| 6980184 |
Display devices and integrated circuits |
December 27, 2005 |
| Integrated circuits, assemblies with integrated circuits, display devices and electrical circuits. There are various different aspects and embodiments of these apparatuses described herein. According to one aspect, a display device includes a plurality of display drivers which includ |
| 6927085 |
Web fabrication of devices |
August 9, 2005 |
| Apparatuses and methods for forming displays are claimed. One embodiment of the invention relates to forming an assembly using different sized blocks in either a flexible or rigid substrate. |
| 6863219 |
Apparatuses and methods for forming electronic assemblies |
March 8, 2005 |
| Apparatuses and methods for forming displays are claimed. One embodiment of the invention includes a contact smart card wherein fluidic self assembly is used to build the microelectronic structures on the display such that a contact smart data is transmitted unidirectionally. A contact s |
| 6825836 |
Bus arrangement for a driver of a matrix display |
November 30, 2004 |
| A demultiplexer applies picture information to pixels arranged in an array of a display device having columns and rows. The demultiplexer includes transistor switches each having a control terminal, an input terminal and an output terminal. A first bus couples switch control signals to t |
| 6816380 |
Electronic devices with small functional elements supported on a carrier |
November 9, 2004 |
| Methods and apparatuses for an electronic assembly. The electronic assembly has a first object created and separated from a host substrate. The first object has a first electrical circuitry therein. A carrier substrate is coupled to the first object wherein the first object is being rece |
| 6683663 |
Web fabrication of devices |
January 27, 2004 |
| Apparatuses and methods for forming displays are claimed. One embodiment of the invention relates to forming an assembly using different sized blocks in either a flexible or rigid substrate. |
| 6606247 |
Multi-feature-size electronic structures |
August 12, 2003 |
| Methods and apparatuses for an electronic assembly. The electronic assembly has a first object created and separated from a host substrate. The first object has a first electrical circuitry therein. A carrier substrate is coupled to the first object wherein the first object is being rece |
| 6414661 |
Method and apparatus for calibrating display devices and automatically compensating for loss in |
July 2, 2002 |
| A method and associated system that compensates for long-term variations in the light-emitting efficiency of individual organic light emitting diodes (OLEDs) in an OLED display device, calculates and predicts the decay in light output efficiency of each pixel based on the accumulated dri |
| 6307322 |
Thin-film transistor circuitry with reduced sensitivity to variance in transistor threshold volt |
October 23, 2001 |
| A circuit design technique polysilicon thin-film transistor (TFT) circuitry produces circuits that are relatively less sensitive to threshold variations among the TFT's than circuits designed using conventional techniques. The circuit is designed such that thin-film transistors that |
