David W Deaton, Rodney G Gabriel: Method and system for selective incentive point-of-sale marketing in response to customer shopping histories. Credit Verification Corporation, Baker & Botts L, November 11, 1997: US05687322 (806 worldwide citation)

A system and method is disclosed for customer promotion. A terminal enters a customer's identification code, along with customer transaction data, at the point-of-sale. A memory stores a database of previously entered customer identification codes and transactions data. Circuitry is provided for gen ...

Mohamed K Diab, Massi E Kiani, Walter M Weber: Signal processing apparatus. Masimo Corporation, Knobbe Martens Olson & Bear, November 11, 1997: US05685299 (601 worldwide citation)

A signal processor which acquires a first signal, including a first primary signal portion and a first secondary signal portion, and a second signal, including a second primary signal portion and a second secondary signal portion, wherein the first and second primary signal portions are correlated. ...

Patrick M Volk, Michael Breed Robin, Edwin Thorne III, JoGene Kapell: Method and system for displaying an animated focus item. Microsoft Corporation, Jones & Askew, November 11, 1997: US05687331 (508 worldwide citation)

A viewer interface is disclosed for use in an interactive television network operative for providing an animated focus item in association with a control item to indicate that the control item is in a state responsive to commands from a user input device. An "animation" is any form of highlighting t ...

Stanford R Ovshinsky: Multibit single cell memory element having tapered contact. Energy Conversion Devices, David W Schumaker, Marvin S Siskind, Marc J Luddy, November 11, 1997: US05687112 (506 worldwide citation)

An electrically operated, directly overwritable, multibit, single-cell chalcogenide memory element with multibit storage capabilities and having at least one contact for supplying electrical input signals to set the memory element to a selected resistance value, the second contact tapering to a peak ...

Lynn M Seeber: Tactile indicator for surgical instrument. United States Surgical Corporation, November 11, 1997: US05685474 (501 worldwide citation)

A surgical instrument having a tactile and audible firing indicator is disclosed. The instrument has preferred features which include a tactile and audible indicator disposed in the handle housing for indicating to a user when the instrument has been properly and completely actuated.

Scott A Moskowitz, Marc Cooperman: Steganographic method and device. The Dice Company, Kenyon & Kenyon, November 11, 1997: US05687236 (479 worldwide citation)

An apparatus and method for encoding and decoding additional information into a stream of digitized samples in an integral manner. The information is encoded using special keys. The information is contained in the samples, not prepended or appended to the sample stream. The method makes it extremely ...

Robert Steven Reis, Vikram Verma, Domingo Antonio Mihovilovic, Peter Scott Bertrand, Richard Kenneth Stevens: Communication system for communicating with tags. Texas Instruments Incorporated, Robert C Klinger, James C Kesterson, Richard L Donaldson, November 11, 1997: US05686902 (407 worldwide citation)

A communication system for identifying, locating, tracking and communicating for other purposes with large numbers of tags in a time and energy efficient manner. The tags are associated with items located in a communication region that is interrogated by an interrogator on a one-to-many basis using ...

Hitoshi Yoshinobu, Tsukasa Yoshimura, Yoshitsugu Hattori: Program information broadcasting method program information display method, and receiving device. Sony Corporation, Harold T Fujii, Jerry A Miller, November 11, 1997: US05686954 (405 worldwide citation)

A plurality of classification items each including a plurality of detailed items for recognizing broadcasting programs per se and program elements included in each of the broadcasting programs are provided wherein the contents of each of the broadcasting programs are represented by the classificatio ...

Michael F Weber, Andrew J Ouderkirk, David J W Aastuen: Optical panel capable of switching between reflective and transmissive states. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn Jr, H Sanders Gwin Jr, November 11, 1997: US05686979 (324 worldwide citation)

A device, comprising a switchable optical panel and means for switching the panel between a reflecting state and a transmitting state. The switchable optical panel includes a transparent optically active layer having a first and a second major surface, a first reflective polarizer disposed on the fi ...

Hubert Girault: Voltammetric method and apparatus. Metrohm, November 11, 1997: US05686829 (321 worldwide citation)

During voltammetric analysis of liquids, the indicator electrode must be frequently changed in order to prevent memory effects and resultant changes to basic conditions during measurement. In order to be able to change the indicator electrodes simply, a plurality of indicator electrodes are arranged ...