| Savi Technology, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20100302037 | Method and Apparatus for Tunneling Information in RFID Communications - A method and apparatus involve a radio frequency identification tag that receives a wireless signal containing a message type conforming to an extension of a standard communication protocol and having an extended services segment, the tag then transmitting the extended services segment through an extended services interface. According to a different aspect, a method and apparatus involve a radio frequency identification tag that stores data which includes respective information regarding each of multiple extended services, and that responds to receipt of a wireless signal which is an extension to a standard protocol by transmitting a further wireless signal which is an extension to the protocol and contains at least part of the data. According to yet another aspect, a method and apparatus involve a radio frequency identification tag that responds to receipt of one wireless signal by transmitting a further wireless signal containing information regarding multiple sensors. | 12-02-2010 |
| 20100295681 | METHOD AND APPARATUS FOR REAL-TIME LOCATION OF ASSETS - A method and apparatus involve a plurality of first devices, and a second device movable relative thereto. According to one aspect, the first and second devices respectively transmit first information and second information containing unique identification codes, the first information also containing position information. The devices collectively include circuitry that estimates distances therebetween, one of the first and second information including the estimate. According to a different aspect, one of the second device and each first device transmits its identification code, and the devices collectively include circuitry that determines two successive sets of estimates representing respective distances between the second device and each first device. One of the second device and each first device transmits information that includes both estimates for that first device, and identification codes for the second device and that first device. | 11-25-2010 |
| 20100009570 | Method and Apparatus Involving a Housing with a Sealed Electrical Connector - A method and apparatus involve: configuring a wall portion to have an opening therethrough and to have a first annular surface extending around the opening; supporting on a circuit board an electrical connector having a plurality of electrical contacts and having a second annular surface; and resisting fluid flow from one side of the wall portion to an opposite side thereof through the opening, including compressing between the first and second annular surfaces a seal ring having third and fourth annular surfaces that respectively engage the first and second annular surfaces, the electrical contacts each having a portion that is accessible through the opening. | 01-14-2010 |
| 20090251295 | Method and Apparatus for Tracking and Monitoring Containers - A tag responds to receipt of a short-range wireless signal by altering the operation of a transmitter that transmits long-range wireless signals containing a unique tag identification, and conforming to a satellite or cellular network communication protocol. According to a different aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a receiver that receives long-range wireless signals containing positioning information, the tag determining location information from the positioning information. According to another aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a sensor section having a sensor responsive to a condition. | 10-08-2009 |
| 20090102660 | Method and Apparatus for Tracking and Monitoring Containers - A tag has a circuit portion that functions as a reader capable of wireless communication with other tags. According to a different aspect, a tag has a circuit portion with first and second modes, the circuitry consuming less power in the second mode than the first mode, and exiting the second mode only in response to an act by a human. According to yet another aspect, a tag can receive wireless communications conforming to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. The tag responds to receipt of a predetermined wireless signal conforming to the one protocol by carrying out one of first action that includes causing the tag to enter an electronically secure state, or a second action that includes causing the tag to exit the electronically secure state. | 04-23-2009 |
| 20090102659 | Method and Apparatus for Tracking and Monitoring Containers - A tag has a sensor that can detect a condition in the region of the tag. The tag effects an operational adjustment relating to the sensor based on sensor configuration information in a received wireless signal. According to a different aspect, a tag can receive wireless signals containing positioning information, and wireless signals containing location information indicating with a first accuracy the current location of the tag. The further signals conform to one of a radio frequency identification communication protocol, a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. The tag determines from the positioning information with a second accuracy greater than the first accuracy the current location of the tag, the tag being responsive to the location information for more rapidly effecting the determination with the second accuracy. | 04-23-2009 |
| 20090102658 | Method and Apparatus for Tracking and Monitoring Containers - A tag detects a condition, and selectively operates a portion of its circuitry in first and second modes as a function of information regarding the selected condition, the portion consuming less power in the second mode than the first mode, and being capable of wireless communication according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. According to a different aspect, a tag carries out geofencing analysis, and selectively operates a portion of its circuitry in first and second modes as a function of results of the geofencing analysis, the portion consuming less power in the second mode than in the first mode, and being capable of wireless communication according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. | 04-23-2009 |
| 20090102657 | Method and Apparatus for Tracking and Monitoring Containers - A tag can communicate according to a cellular telephone network communication protocol, and includes one of: passive circuitry, semi-passive circuitry, or circuitry capable of communicating according to a radio frequency identification communication protocol or a satellite communication protocol. According to a different aspect, a tag can receive satellite signals containing positioning information, and can transmit according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. According to yet another aspect, a tag can transmit according to each of first and second communication protocols that are each one of a radio frequency identification communication protocol, a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. | 04-23-2009 |
| 20090058655 | Method and Apparatus for Monitoring a Drum with an RFID Tag - A drum has a body, a lid, and fastening structure cooperable with portions of the body and lid to effect a releasable coupling therebetween. A sensor is disposed between the two portions. According to a different aspect, a support member has a flange with a hole, and a pressure sensor on the flange. A tag on the support member has circuitry responsive to the sensor for transmitting wireless signals. According to yet another aspect, a drum has a body, a lid, and fastening structure to effect a releasable coupling between the lid and the body. A method involves monitoring with a pressure sensor a force produced by the fastening structure. | 03-05-2009 |
| 20090028337 | Method and Apparatus for Providing Security in a Radio Frequency Identification System - A method and apparatus involve storing in a tag a selected digital certificate that permits secure access to said tag from externally thereof. | 01-29-2009 |
| 20090028334 | Method and Apparatus for Providing Security in a Radio Frequency Identification System - One aspect involves a communication that contains a portion encrypted with a selected key can be wirelessly transmitted by a part for reception and decryption by plural tags. A different aspect involves a tag receiving a first sequence of wireless communications that each contain sequencing information regarding the first sequence, while receiving a second sequence of wireless communications that each include sequencing information regarding the second sequence, and further involves monitoring the sequencing information from received communications of the first sequence while separately monitoring the sequencing information from received communications of the second sequence. | 01-29-2009 |
| 20090028333 | Method and Apparatus for Providing Security in a Radio Frequency Identification System - One aspect involves receiving by a tag of wireless communications that utilize a first security provision, and wireless communications that utilize a second security provision different from the first security provision. A different aspect involves receiving by an entity of an authentication request that is based on a first digital certificate unknown to the entity, and determining by the entity, without external authentication of the first digital certificate, whether the first digital certificate is in a trust relationship with a second digital certificate that is different from the first digital certificate and that is known to the entity. | 01-29-2009 |
| 20090028329 | Method and Apparatus for Providing Security in a Radio Frequency Identification System - A response to an event involves transmitting a communication for propagation away from a part externally thereof, the communication containing first and second segments that are respectively subject to first and second security provisions that are different. | 01-29-2009 |
| 20090028078 | Method and apparatus for providing security in a radio frequency identification system - A part can receive a communication that originates externally of the part, that conforms to a predetermined communications protocol, and that contains payload information consistent with the protocol but subject to a security provision supplemental to the protocol. The part extracts the payload information from the security provision. | 01-29-2009 |
| 20090009328 | Bolt for Security Seal - A seal bolt includes: an elongate and electrically conductive part with a portion extending between first and second locations lengthwise of the bolt; an electrically conductive layer that, between the first and second locations, is spaced from the elongate part; an electrically insulating layer that, between the first and second locations, is disposed between the conductive layer and the elongate part; and structure that electrically couples the elongate part and the conductive layer at a third location, the second location being between the first and third locations. In one configuration, the insulating layer includes aluminum oxide. In another configuration, the conductive layer is one of an amorphous metal and stainless steel. In still another configuration, the conductive layer includes a strip that, from the first location to the second location, has a width less than a circumference of the elongate part. | 01-08-2009 |
| 20080218353 | Method and Apparatus Using Magnetic Flux for Container Security - A seal device includes a locking member with a magnetically permeable material portion, and structure that can receive the locking member. The structure supports a magnetic field generator and detector at locations spaced from each other and from a region that is occupied by the portion of the locking member when the locking member is received by the structure. The structure defines a main flux path as a loop having a first portion, a second portion and a remainder that are mutually exclusive, and that collectively define the entirety of the flux path. The first and second portions are respectively within the magnetic field generator and the region, and most of the remainder extends through magnetically permeable material of the structure. The detector is located where the magnetic field has different characteristics when the portion of the locking member is respectively present in and absent from the region. | 09-11-2008 |
