61
Thomas J Zamborelli: Wide bandwidth passive probe. Hewlett Packard Company, December 15, 1992: US05172051 (110 worldwide citation)

A passive test probe apparatus 100 which provides high impedance and a relatively flat frequency response over a wide bandwidth. The probe apparatus 100 uses standard, non-lossy coaxial cable 130. The probe apparatus 100 employs a low capacitance probe tip 102 designed to minimize stray probe tip ca ...


62
Glen A Kashuba, Jon I Klippel: Acetabular cup positioning insert. Pfizer Hospital Products Group, Peter C Richardson, Lawrence C Akers, Raymond W Augustin, December 15, 1992: US05171243 (109 worldwide citation)

An acetabular cup for use as a prosthetic implant has an insert with a body including a central bore for receiving a positioning rod therein. A key element is formed on the bore and is adapted to align the positioning rod. The insert has a locating element formed on an outer surface of the body and ...


63
Yean Yow Hwang, Brian Ritchey, Donald W Schoendorfer: Automated blood component separation procedure and apparatus promoting different functional characteristics in multiple blood components. Baxter International, Bradford R L Price, Daniel D Ryan, Paul C Flattery, December 15, 1992: US05171456 (107 worldwide citation)

Method and apparatus are provided for machine separation of blood into blood components, wherein a preselected fluid such as anticoagulant is added to at least two different locations through the fluid flow path of the set, in order to promote the different functional characteristics in different bl ...


64
Ulf Lindegren: Device for positioning an electrode. Siemens Aktiengesellschaft, December 15, 1992: US05170787 (105 worldwide citation)

For simplifying the positioning of electrodes inside living bodies, a positioning device has a wire running through a tube, the tube being fastened to a case and being fastened to a handling element disposed in the case. With the handling element, the wire can be moved relative to the tube, which en ...


65
Bernard Courtois: Adjustable front seats of motor vehicles having extending front portion and head rest. Bertand Faure Automobile, Larson and Taylor, December 15, 1992: US05171062 (102 worldwide citation)

A front seat for a motor vehicle is disclosed, characterized in that its sitting portion has a front part (16) and a rear part (15) mounted for sliding horizontally one on the other in the longitudinal direction of the seat and an adjustment mechanism actuatable by a single control member (29) and a ...


66
Slawomir J Fiedziuszko, John A Curtis: Miniature planar filters based on dual mode resonators of circular symmetry. Space Systems Loral, Edward J Radlo, December 15, 1992: US05172084 (101 worldwide citation)

Planar dual mode filters (30) are formed by a conductive resonator (20) having circular symmetry and two pairs of symmetrically oriented planar conductive leads (22, 26 and 24, 28). The conductive leads (22, 26 and 24, 28) are aligned colinearly with two orthogonal diameters (32, 34, respectively) o ...


67
Kyuta Sagae, Yoshiaki Sugiyama: Method of manufacturing a differentially heat treated catheter guide wire. Terumo Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, December 15, 1992: US05171383 (100 worldwide citation)

A catheter guide wire is provided for guiding a catheter into a body cavity such as a blood vessel. The base material constituting the wire is made of an elastic alloy wire and subjected to a heat treatment such that its flexibility is sequentially increased from its proximal to distal end portions. ...


68
Kevin W Smith, Charles R Slater, Thomas O Bales, Michael Bacon: Hermaphroditic endoscopic claw extractors. Symbiosis Corporation, David P Gordon, December 15, 1992: US05170800 (99 worldwide citation)

End effectors for an endoscopic surgical instrument are provided and comprise a pair of identical elongate longitudinally extending arms having tooth-like terminal projections which closely mesh in a closed position. A preferred embodiment of the end effectors are hermaphroditic claw extractors whic ...


69
Hisaki Hiraiwa, Mitsuhiro Suzuki: Apparatus for digitally demodulating a narrow band modulated signal. Sony Corporation, Philip M Shaw Jr, December 15, 1992: US05172070 (99 worldwide citation)

A digital demodulating apparatus which is high in accuracy in operation and simple in construction. The digital demodulating apparatus comprises an analog to digital converter for converting an input modulated signal having a carrier frequency of fc and a band width of 2B into a digital signal with ...


70
William R Lundie, James C Martin, James L Tetrick, Jerry D Webber, Jay H Olson, Richard F Gallens: Vacuum seed meter. Deere & Company, December 15, 1992: US05170909 (99 worldwide citation)

An air seed meter which dispenses individual seeds supplied by a seed hopper into a furrow at a controlled rate as the meter and others like it are advanced over the ground has a generally cylindrical housing containing a rotatable seed disk. As the seed disk is rotated past a mass of seeds on one s ...