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1 CA2203927A1
MICROWAVE METHOD TO DETECT AND LOCATE CANCERS IN HETEROGENOUS TISSUES;METHODE FAISANT APPEL AUX MICRO-ONDES POUR DETECTER ET LOCALISER DES TUMEURS CANCEREUSES DANS DES TISSUS HETEROGENES

A method and system for detecting an incipient tumor in living tissue such as that of a human breast in accordance with differences in relative dielectric characteristics. A generator produces a non-ionizing electromagnetic input wave of preselected frequency, usually exceeding three gigahertz, and that input wave is used to irradiate the living tissue, being effectively focused into a minute, dis...

02.11.1997
2 CA2176319A1
METHOD OF APPLYING VENEER TO A SUBSTRATE;METHODE DE PLACAGE

The invention provides a method of applying a veneer to a substrate having edges with a compound curve. The invention includes the steps of trimming the veneer to provide a peripheral margin and applying a stretchable releasable adhesive tape to the margin, applying an adhesive to the surfaces of the substrate, positioning the veneer over the substrate and securing the veneer in position, and subj...

02.11.1997
3 CA2175512A1
DRUG INJECTION SYSTEM WITH SELF-ASPIRATION FEATURE;SYSTEME D'INJECTION DE MEDICAMENT AVEC DISPOSITIF D'AUTO-ASPIRATION

The present invention provides in part an improved drug injection system, comprising novel self-aspirating syringes, drug cartridge and and novel needle assemblies. It is primarily intended for administering of local anesthetic by dentists, but it can be used equally well in medical and veterinary applications. In one aspect, the novel syringe is made lightweight, comfortable to hold and corrosion...

02.11.1997
4 CA2200121A1
COMPRESSED DOMAIN VIDEO TEXT OVERLAY FOR MULTIMEDIA COMMUNICATION SYSTEMS;SUPERPOSITION DE TEXTES A DES IMAGES VIDEO COMPRIMEES POUR SYSTEMES DE COMMUNICATION MULTIMEDIA

Novel techniques for overlaying a message onto a video image in the compressed domain. The video image is represented as a compressed, digitized video bit stream. The message is digitized and compressed to form a coded message. The coded message is combined with the compressed, digitized video bit stream to generate an output video bit stream representing the video image with a message overlay. Th...

02.11.1997
5 CA2204226A1
IMPROVED LOW PROFILE MOUNTING OF ELECTRONIC COMPONENTS;MONTAGE A PROFIL BAS AMELIORE POUR COMPOSANTS ELECTRONIQUES

An improved circuit module construction for mounting and interconnecting electronic components to substrates, which is applicable to mounting a wide variety of electronic components and conductors, including inverted or 'flip chip' mounted integrated circuits. The components are mounted to the substrate with a sandwiched non-conductive polymer layer which acts as the bonding agent and underfill. T...

02.11.1997