Patents by Inventor Peter Bell
Peter Bell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 6619759Abstract: An electronic brake controller operates in both an automatic and manual mode. In the automatic mode, the electronic brake controller applies a pre-specified percentage of braking for the brakes of a towed vehicle. In the manual mode, the electronic brake controller is capable of applying one-hundred percent of braking regardless of the setting for the pre-specified percentage of braking set for the automatic mode.Type: GrantFiled: November 27, 2001Date of Patent: September 16, 2003Assignee: Hidden Hitch of CanadaInventors: Ross Bradsen, Peter Bell, Sean Phillips, Michael Valliere, David Glen, Allan Schnurr
-
Publication number: 20030098610Abstract: An electronic brake controller operates in both an automatic and manual mode. In the automatic mode, the electronic brake controller applies a pre-specified percentage of braking for the brakes of a towed vehicle. In the manual mode, the electronic brake controller is capable of applying one-hundred percent of braking regardless of the setting for the pre-specified percentage of braking set for the automatic mode.Type: ApplicationFiled: November 27, 2001Publication date: May 29, 2003Inventors: Ross Bradsen, Peter Bell, Sean Phillips, Michael Valliere, David Glen, Allan Schnurr
-
Patent number: 6562557Abstract: A color photographic material comprising a transparent support, at least one blue-sensitive, predominantly yellow-coupling silver halide emulsion layer, at least one green-sensitive, predominantly magenta-coupling silver halide emulsion layer (PP-1) and at least one red-sensitive, predominantly cyan-coupling silver halide emulsion layer (BG-1), characterised in that the spectral sensitivity distribution of BG-1 is characterised in that 605≦&lgr;max≦630 nm, 0.1≦&Dgr;lgE640≦0.6 and 1.Type: GrantFiled: July 19, 2001Date of Patent: May 13, 2003Assignee: Agfa-GevaertInventors: Klaus Wagner, Heinz Schütz, Peter Bell, Lothar Endres, Detlev Kapitza, Thomas Stetzer
-
Publication number: 20020031734Abstract: A colour photographic material comprising a transparent support, at least one blue-sensitive, predominantly yellow-coupling silver halide emulsion layer, at least one green-sensitive, predominantly magenta-coupling silver halide emulsion layer (PP-1) and at least one red-sensitive, predominantly cyan-coupling silver halide emulsion layer (BG-1), characterised in that the spectral sensitivity distribution of BG-1 is characterised in thatType: ApplicationFiled: July 19, 2001Publication date: March 14, 2002Inventors: Klaus Wagner, Heinz Schtz, Peter Bell, Lothar Endres, Detlev Kapitza, Thomas Stetzer
-
Patent number: 6321309Abstract: Apparatus for arbitrating between requests from a plurality of sources for access to a shared resource, the apparatus comprising: a register means having a plurality of stages, each stage containing a designation of one of said sources, a plurality of stages containing a designation of the same source, logic means for accessing the register stages according to a priority scheme and for comparing the designation in each stage with requests for access, and granting access according to the match between the highest priority source designation and a memory request, and means for changing the contents of the register means subsequent to access grant.Type: GrantFiled: May 19, 1999Date of Patent: November 20, 2001Assignee: LSI Logic CorporationInventors: Peter Bell, John Massingham, Alex Darnes
-
Patent number: 6297414Abstract: The present invention provides an improved method for deep selective hydrogenation for use in recovering high purity olefins from cracked gas effluents or other paraffin/olefin gaseous mixtures by use of a chemical absorption process.Type: GrantFiled: October 8, 1999Date of Patent: October 2, 2001Assignee: Stone & Webster Process Technology, Inc.Inventors: Richard Barchas, Peter Bell
-
Patent number: 6218097Abstract: A colour photographic silver halide material having a support and at least one photosensitive silver halide emulsion layer which contains a magenta coupler of the formula (I) in which R1 to R3, a, b, c and X have the meaning stated in the description, which material contains a DIR coupler of the formula (II) in which R6 to R11 have the meaning stated in the description, is distinguished by improved processing stability.Type: GrantFiled: August 30, 1999Date of Patent: April 17, 2001Assignee: Agfa-GevaertInventors: Peter Bell, Ralf Büscher, Lothar Rosenhahn, Heinz Wiesen, Ralf Wirowski
-
Patent number: 6207283Abstract: A polymer of the formula (I): in which X1 means H or (R1)1+1—L1CO—, X2 means —(L2)m—OH or R1 means —COO−M+, —SO3−M+ or (M+)2PO32−, L1 means alkylene, arylene, aralkylene or cycloalkylene, L2 means the residue of a polyether having an average molecular weight of 200 to 3000 (number average), M+ means a cation, l means a number from 0 to 4, m means a number 0 or 1 and n means a number from 0 to 20, wherein m+n is ≧1.Type: GrantFiled: November 3, 1998Date of Patent: March 27, 2001Assignee: Agfa-GevaertInventors: Peter Bell, Günter Helling, Beate Weber, Ralf Büscher, Lothar Endres, Lothar Rosenhahn, Rainer Scheerer, Lydia Simon, Thomas Stetzer
-
Patent number: 6093524Abstract: A color photographic film having a support, 2 or 3 red-sensitive, cyan-coupling silver halide emulsion layers, 2 or 3 green-sensitive, magenta-coupling silver halide emulsion layers, 2 or 3 blue-sensitive, yellow-coupling silver halide emulsion layers, conventional interlayers and protective layers together with a yellow filter layer arranged closer to the support than the blue-sensitive layers, wherein at least one green-sensitive silver halide emulsion layer is arranged further away from the support than all the other photosensitive layers, exhibits improved sharpness without color distortion if at least 50% of the projected surface area of the silver halide emulsion of the green-sensitive silver halide emulsion layer, of which there is at least one, consists of tabular silver halide grains having an aspect ratio of at least 3.Type: GrantFiled: September 16, 1998Date of Patent: July 25, 2000Assignee: Agfa-Gevaert NVInventors: Rainer Scheerer, Lothar Endres, Hans-Ulrich Borst, Lydia Simon, Thomas Stetzer, Peter Bell, Lothar Rosenhahn, Ralf Buscher
-
Patent number: 6087083Abstract: A colour photographic material in which a package of layers is provided which consists, in the stated sequence, of (a) a silver halide-free layer containing colour coupler, (b) a layer containing silver halide and (c) a silver halide-free layer containing colour coupler, wherein at least one of layers (a) and (c) consists to an extent of at least 20 vol. % of a synthetic polymer, is distinguished by an improved grain/sensitivity ratio.Type: GrantFiled: November 3, 1998Date of Patent: July 11, 2000Assignee: Asfa-Gevaert N.V.Inventors: Peter Bell, Ralf Buscher, Lothar Endres, Lothar Rosenhahn, Rainer Scheerer, Lydia Simon, Thomas Stetzer
-
Patent number: 6083675Abstract: A multi-layer color photographic recording material having at least one photosensitive silver halide emulsion layer containing a color coupler contains in at least one photosensitive silver halide emulsion layer a non-diffusing, 2-equivalent color coupler which, under chromogenic development conditions, by coupling with a color developer oxidation product, releases a photographically inert ballast group from the coupling site and so forms a dye removable by rinsing which makes no contribution to color density.Type: GrantFiled: March 19, 1998Date of Patent: July 4, 2000Assignee: Agfa Gevaert N.V.Inventors: Peter Bell, Hans-Ulrich Borst, Ralf Buscher, Jorg Siegel
-
Patent number: 6060227Abstract: A color negative film having a support, at least one blue-sensitive, yellow-coupling silver halide emulsion layer, at least one green-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer, wherein at least one of the color-sensitive silver halide emulsion layers consists of at least two sub-layers of differing photographic sensitivity, the coupler application rate in the most highly sensitive layer of the color sensitive silver halide emulsion layer, of which there is at least one, consisting of at least two sub-layers of differing photographic sensitivity, is no more than 0.05 mmol/m.sup.Type: GrantFiled: July 24, 1998Date of Patent: May 9, 2000Assignee: Agfa-Gevaert NVInventors: Ralf Buscher, Peter Bell, Hans-Ulrich Borst, Lothar Rosenhahn, Jorg Siegel, Thomas Stetzer
-
Patent number: 6040125Abstract: A color photographic recording material having at least one red-sensitive silver halide emulsion layer unit with which a cyan coupler is associated, at least one green-sensitive silver halide emulsion layer unit with which a magenta coupler is associated, at least one blue-sensitive silver halide emulsion layer unit with which a yellow coupler is associated, and optionally further light-insensitive layers, the blue-sensitive silver halide emulsion layer unit of which comprises at least two blue-sensitive partial layers which are sensitized with sensitizing dyes in such a way that a sensitivity curve ensues which is characterized by the following parameters:460 nm.ltoreq..lambda.(S.sub.max).ltoreq.480 nmb.sub.80 .gtoreq.24 nmb.sub.50 .gtoreq.91 nm,b.sub.20 .gtoreq.106 nm,wherein.lambda.(S.sub.max) denotes the wavelength of the sensitivity maximum (100 % sensitivity);b.sub.80 denotes the width of the sensitivity curve at 80% of the maximum sensitivity;b.sub.Type: GrantFiled: March 13, 1998Date of Patent: March 21, 2000Assignee: Agfa-Gevaert NVInventors: Jorg Siegel, Hans-Ulrich Borst, Peter Bell, Ralf Buscher, Heinz Reif, Jurgen Jung
-
Patent number: 6033841Abstract: A color photographic silver halide material having at least two red-sensitive, cyan-coupling silver halide emulsion layers of different photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsion layers of different photographic sensitivity and at least one blue-sensitive, yellow-coupling silver halide emulsion layer, and having intermediate layers at least between silver halide emulsion layers of different color sensitivity, wherein at least one color coupler is provided in an intermediate layer which is directly adjacent to a lowest-sensitivity silver halide emulsion layer which is sensitive to a defined spectral region and which couples to the complementary color, which color coupler couples in a non-complementary manner with respect to the aforementioned lowest-sensitivity silver halide emulsion layer, is distinguished by its improved reproduction of yellow color shades.Type: GrantFiled: March 6, 1998Date of Patent: March 7, 2000Assignee: AGFA-Gevaert NVInventors: Peter Bell, Hans-Ulrich Borst, Ralf Buscher, Jorg Siegel, Rainer Scheerer, Heinz Schutz
-
Patent number: 6017689Abstract: A color photographic silver halide material having at least two blue-sensitive, yellow coupler containing silver halide emulsion layers, at least two green-sensitive, magenta coupler containing silver halide emulsion layers and at least two red-sensitive, cyan coupler containing silver halide emulsion layers together with conventional interlayers and protective layers, wherein photosensitive layers of identical color sensitivity differ with regard to the photographic sensitivity thereof and the more highly sensitive layers are arranged further away from the support than the less sensitive layers of identical color sensitivity, which material contains, in a layer which is arranged further from the support than the most highly sensitive, blue-sensitive layer, both at least one yellow coupler and at least one magenta or cyan coupler, is distinguished by improved grain and sensitivity combined with very good color reproduction.Type: GrantFiled: September 17, 1998Date of Patent: January 25, 2000Assignee: Agfa-Gevaert AGInventors: Peter Bell, Ralf Buscher, Lothar Endres, Lothar Rosenhahn, Rainer Scheerer, Lydia Simon, Thomas Stetzer
-
Patent number: 5922524Abstract: A colour photographic recording material having camera sensitivity, possessing on a transparent support at least one silver halide emulsion layer unit which is sensitive to part of the visible spectrum and consists of at least the following constituent layers:a) a spectrally sensitised silver halide emulsion layer containing an effective quantity of a FAR coupler (coupler, which during coupling releases groups producing fogging nuclei) and optionally a colour coupler, the latter during the colour development process coupling with a dye of which the colour is complementary to the spectral sensitisation of layer a), andb) a fine-grained silver halide emulsion layer having low light-sensitivity, of which the silver halide grains are not spectrally sensitised, being a layer adjacent to layer a),with layer b) containing a colour coupler which during the colour development process couples with a dye of which the colour is complementary to the spectral sensitisation of layer a) and the molar quantity of colour couplType: GrantFiled: February 3, 1997Date of Patent: July 13, 1999Assignee: Agfa-Gevaert AGInventors: Ralf Buscher, Peter Bell, Hans-Ulrich Borst, Jorg Siegel, Johannes Willsau, Heinrich Odenwalder
-
Patent number: 5908741Abstract: A photographic silver halide material in which the silver halide emulsion layer of at least one silver halide emulsion layer is stabilized with a compound of the formula (I):Ar--Se--X (I)in whichAr means a carbocyclic or heterocyclic aromatic group which has an electron-attracting grouping in o-position relative to the Se andX means a further substituted heteroatom,exhibits a smaller reduction in sensitivity, in particular under tropical conditions of storage.Type: GrantFiled: August 21, 1996Date of Patent: June 1, 1999Assignee: Agfa-Gevaert AGInventors: Peter Bergthaller, Hans-Ulrich Borst, Johannes Willsau, Ralf Buscher, Peter Bell
-
Patent number: 5856076Abstract: A color photographic recording material having a film support and, arranged thereon, at least one red-sensitive silver halide emulsion layer containing a cyan coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive silver halide emulsion layer containing a yellow coupler and optionally further non-photosensitive layers contains, in addition to conventional sensitizing dyes, in at least one of the red-sensitive silver halide emulsion layers thereof and in at least one of the green-sensitive emulsion layers thereof at least one cyanine dye in each layer having an absorption maximum in a methanolic solution in the range from 515 to 550 nm, wherein the absorption maxima of the additional cyanine dye in the red-sensitive silver halide emulsion layer and of the additional cyanine dye in the green-sensitive layer, in each case measured in a methanolic solution, are no more than 10 nm and preferably no more than 5 nm apart.Type: GrantFiled: April 29, 1997Date of Patent: January 5, 1999Assignee: Agfa-Gevaert AktiengesellschaftInventors: Joerg Siegel, Hans-Ulrich Borst, Peter Bell, Ralf Buscher, Johannes Willsau
-
Patent number: 5853971Abstract: A color photographic silver halide material contains on a support at least one red-sensitive, cyan-coupling, at least one green-sensitive, magenta-coupling and at least one blue-sensitive, yellow-coupling silver halide emulsion layer together with interlayers between layers of different colour sensitivity, wherein at least one of the stated interlayers contains at least one masking coupler, the masking coupler having a reaction rate constant for the coupling reaction with the developer oxidation product of .gtoreq.5000 1-mol.sup.- .cndot.s.sup.-1, is distinguished improved sensitivity without increase of granularity.Type: GrantFiled: April 15, 1997Date of Patent: December 29, 1998Assignee: Agfa-Gevaert AGInventors: Peter Bell, Hans-Ulrich Borst, Ralf Buscher, Johannes Willsau, Jorg Siegel
-
Patent number: 5830628Abstract: A colour photographic silver halide material with at least two blue-sensitive, yellow-coupling silver halide emulsion layers of differing photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsions layers of differing photographic sensitivity and at least two red-sensitive, cyan-coupling silver halide emulsion layers of differing photographic sensitivity, at least one interlayer Z-1 below the lowermost red-sensitive silver halide emulsion layer and/or at least one interlayer Z-2 below the lowermost green-sensitive silver halide emulsion layer, in which material a coupler is additionally used in at least one silver halide emulsion layer, which coupler couples to yield a colour which is not complementary to the spectral sensitisation of the layer concerned, and Z-1 and/or Z-2 contain a silver halide emulsion which has tabular grains with an aspect ratio of >2, an average diameter of a sphere of equal volume of .gtoreq.0.3 .mu.Type: GrantFiled: July 10, 1996Date of Patent: November 3, 1998Assignee: Agfa-GeuaertInventors: Hans-Ulrich Borst, Detlef Brennecke, Ralf Buscher, Johannes Willsau, Peter Bell