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Assignee: Internatioal Business Machines Corporation


Location: Armonk, NY
No. of patents: 16

NumberTitleIssue Date
7562137Method for validating a remote device
A first device determines a possibility of an invalidation of a second device, wherein the first device is coupled to the second device via a fabric. A query is sent from the first device to validate the second device, in response to determining the possibility of t...
07/14/2009
7453798Active flow management with hysteresis
The present invention provides for a computer network method and system that applies “hysteresis” to an active queue management algorithm. If a queue is at a level below a certain low threshold and a burst of packets arrives at a network node, then the probabili...
11/18/2008
7408934Broadcast between subnetworks connected via router
The present invention allows the contents of network-wide broadcast in a first subnetwork to be passed to a second subnetwork even if a router is set to prevent the network-wide broadcast in the first subnetwork from going out of the first subnetwork. In response to...
08/05/2008
7356067Spread spectrum verification circuit
A method for verifying a spread spectrum function and a spread spectrum verification circuit are provided. Comparing an output frequency of the spread spectrum function with a reference frequency for the spread spectrum function tests an upper bound of the spread sp...
04/08/2008
7204014Magnetic head with thin gap layers
A method for fabricating a magnetic head wherein a read head portion of the magnetic head includes a second gap insulation layer that includes a first portion that is fabricated upon the electrical leads of the read head and a second portion that is fabricated upon ...
04/17/2007
7117271Web server enabling direct scheduling and calendaring capability
A client/server network enables access to non-HTML objects from a web browser. The system includes a database for storing non-HTML files. A system user requests a non-HTML file from a database using a web browser. The web browser transmits the request to a server vi...
10/03/2006
6850709Apparatus and method for improved connectivity in wireless optical communication systems
The present invention provides an apparatus and a method for improved connectivity in wireless optical networks. Therefore at least two or more receiving units are used which receive an infrared signal and convert it to a digital signal. The digital signals represen...
02/01/2005
6826706Timer/timeout evaluation system that saves the counts of all timers when at least one timer has timed out
An apparatus for evaluating at least one timer in the event of a timeout condition in a system includes circuitry that generates an indication that certain system conditions have occurred, clock circuitry, enabled by the indication, that generates a timeout counter ...
11/30/2004
6795468Electric pumping of rare-earth-doped silicon for optical emission
A structure having a p-n junction in a semiconductor having a first p-type region and a first n-type region along with a region located in the vicinity of the p-n junction that is doped with a rare-earth element. In addition, the structure includes a charge source c...
09/21/2004
6111873Voice over data for remotely located operators
A method for managing operator services comprises the steps of: compressing respective voice calls between a public switched telephone network (PSTN) and a local area network (LAN) of telephone operator work stations into respective streams of digital voi...
08/29/2000
6069081Two-step chemical mechanical polish surface planarization technique
A method of planarizing a dielectric coating applied over an underlying structure on an integrated circuit wafer employs a two-step chemical mechanical polishing (CMP) process. The underlying structure is characterized as having elevated areas and recesse...
05/30/2000
6038181Efficient semiconductor burn-in circuit and method of operation
The disclosed invention provides a circuit and burn-in test method for semiconductor devices that increases the speed of burn-in tests. The present invention accomplishes this by causing each of the devices under test to be tested multiple times (from 2 t...
03/14/2000
5874318Dishing and erosion monitor structure for damascene metal processing
According to the preferred embodiment, an erosion and dishing monitor and monitor method are provided that facilitates the accurate optimization of a planarization process as in semiconductor process. The dishing monitor comprises at least two monitor str...
02/23/1999
5550540Distributed coding and prediction by use of contexts
The present invention comprises a distributed data processing system including a plurality of data processing elements for expeditiously performing an encoding or prediction function pursuant to a context-based model in an adaptive, optimal and time-progr...
08/27/1996
5363397Integrated short cavity laser with bragg mirrors
An edge emitting laser combines many of the desirable attributes of the common forms of surface-emitting and edge-emitting laser structures together with elimination of their drawbacks. The laser cavity of a device according to the present invention is sh...
11/08/1994
5175658Thin film magnetic head having a protective coating and method for making same
A magnetic head slider having a protective coating on the rails thereof, the protective coating comprising a thin adhesion layer, a thin layer of amorphous hydrogenated carbon, and a thin masking layer. The protective coating is deposited on the air beari...
12/29/1992
 
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