1
Mohamed S Tawfik, Patrice Senn: Switched capacitor sampling filter. Etat Francais represente par le Ministre Delegue des Postes et Telecommunications, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, March 13, 1990: US04908579 (91 worldwide citation)

This filter circuit comprises at least one basic cell (2) arranged as a switched capacitor sampling filter, together with a clock suitable for defining two different states for controlling sampling. According to the main characteristic of the invention, the circuit includes upstream switching means ...


2
Aaron L Arnold: Illumination devices for inspection systems. Northern Telecom, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, January 9, 1990: US04893223 (71 worldwide citation)

Illumination devices for an inspection system which holds the article to be inspected in a particular location and having light emitting diodes disposed in a part spherical array to cause light to converge upon a restricted field of view in which the article is located. The device is of particular u ...


3
Ken Ito, Yoshiki Yasuno: Automotive yaw-sensitive brake control system. Nissan Motor Company, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, February 28, 1989: US04809181 (47 worldwide citation)

Automotive brake control is performed by controlling brake pressure at front and rear wheels independently. The braking force at each of the front and rear wheels is controlled in accordance with monitored vehicle driving conditions so that the steering characteristics of the vehicle are held to pre ...


4
Sandra S Van Hoose: Doll for facilitating therapeutic communication and attitudinal healing. Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, April 17, 1990: US04917607 (32 worldwide citation)

The disclosure describes an apparatus and method for facilitating therapeutic communication of human emotions, for attitudinal healing, or for everyday play. A rag type doll has built-in cavities for receiving fabric forms connoting human feelings and other fabric forms representing different body p ...


5
Seiji Sugasawara, Ken Tsuneki, Kazuyoshi Ohshima, Youjirou Nakayama, Tatsuya Hayakawa, Seiichiroh Tamura: Multi-disc damper using viscous fluid. Sugatsune Industrial, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, July 3, 1990: US04938322 (31 worldwide citation)

A damper comprising within a casing filled with viscous fluid a number of movable discs to be moved in response to the transmitted external force and a number of not interlocked fixed discs arranged in an alternative arrangement, wherein both movable and fixed discs are axially deflectable can maint ...


6
Tsutomu Matsushita, Teruyoshi Mihara: Integrated circuit device having vertical MOS provided with Zener diode. Nissan Motor Company, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, August 29, 1989: US04862233 (27 worldwide citation)

Vertical MOS and another component such as CMOS are made in a single semiconductor substrate having a highly doped underlying layer and a lightly doped epitaxial surface layer of a first conductivity type. The vertical MOS includes a channel region of a second conductivity type, formed in the surfac ...


7
Yutaka Nakata: Automotive headlight of projector type. Ichikoh, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, March 21, 1989: US04814950 (27 worldwide citation)

The automotive headlight of projector type comprises a reflector, a lamp bulb as light source disposed near the focus of said reflector, a convex lens which projects frontwardly the light emitted from the lamp bulb, reflected by the reflector and then converged to a predetermined light collecting ar ...


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9
Masahiro Tsukamoto: Actively controlled suspension system for automotive vehicle with fail-safe system in response to failure of electric circuitry. Nissan Motor Company, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, April 24, 1990: US04919440 (19 worldwide citation)

An actively controlled suspension system includes a fail-safe system which is associated with a pressure control valve and detective of failure of a control circuit to perform fail-safe operation. The fail-safe system operates the pressure control valve in response to failure of the control circuit, ...


10
Tooji Takemura, Takashi Okubo: Rotational speed differential responsive type torque transmitting assembly. Nissan Motor, Foley & Lardner Schwartz Jeffrey Schwaab Mack Blumenthal & Evans, September 18, 1990: US04957473 (18 worldwide citation)

A limited slip differential is disclosed which includes a first rotary element, a second rotary element, and hydraulic means including a plurality of reciprocal pistons in slidable engagement with internal cam surface means of the first rotary element. The hydraulic means include an accumulator and ...