A video endoscope system includes a reusable control cabinet and an endoscope that is connectable thereto. The endoscope may be used with a single patient and then disposed. The endoscope includes an illumination mechanism, an image sensor, and an elongate shaft having one or more lumens located therein. An articulation joint at the distal end of the endoscope allows the distal end to be oriented by the actuators in the control cabinet or actuators in a control handle of the endoscope. Fluidics, electrical, navigation, image, display and data entry controls are integrated into the system along with other accessories.

Articulation joint for video endoscope

Circuit arrangement embodiments that use relative groupings of energy pathways that include shielding circuit arrangements that can sustain and condition electrically complementary energy confluences.

Arrangement for energy conditioning

Fluid manifold for endoscope system

The present invention relates to an interposer substrate for interconnecting between active electronic componentry such as but not limited to a single or multiple integrated circuit chips in either a single or a combination and elements that could comprise of a mounting substrate, substrate module, a printed circuit board, integrated circuit chips or other substrates containing conductive energy pathways that service an energy utilizing load and leading to and from an energy source. The interposer will also possess a multi-layer, universal multi-functional, common conductive shield structure with conductive pathways for energy and EMI conditioning and protection that also comprise a commonly shared and centrally positioned conductive pathway or electrode of the structure that can simultaneously shield and allow smooth energy interaction between grouped and energized conductive pathway electrodes containing a circuit architecture for energy conditioning as it relates to integrated circuit device packaging. The invention can be employed between an active electronic component and a multilayer circuit card. A method for making the interposer is not presented and can be varied to the individual or proprietary construction methodologies that exist or will be developed.

Energy conditioning circuit arrangement for integrated circuit

A method of creating models for power estimation of a circuit comprising generating an input space for the circuit. The input space is separated into multiple power modes corresponding to regions that display similar power behavior. Separate power models are generated for each of said multiple power modes. A power mode identification function is created that selects an appropriate power model from the separate power models based on the present and past values of the circuit inputs.

Power mode based macro-models for power estimation of electronic circuits

The electromagnetic interference suppressing device of the present invention includes a plurality of connection layers and ground layers formed of a conductive material. The connection layers and the ground layers are alternately layered. Insulating layers, formed of an insulating material, intervene between the neighboring connection layers and ground layers. The odd connection layers counting from the bottom and the connection layers just above those layers are electrically connected at the same end. The even connection layers counting from the bottom and the connection layers just above those layers are electrically connected at the same end opposite to the odd connection-layered end. The bottommost connection layer is connected to a first signal terminal. The uppermost connection layer is connected to a second signal terminal. The ground layer is connected to a ground terminal.

Electromagnetic interference suppressing device and circuit

A design support system 100 according to the present invention comprises: an LSI library 10, in which rated characteristics of various LSIs are stored by an LSI library preparation unit 70; a decoupling capacitor library 20, in which rated characteristics of various capacitors are stored; a PCB library 30, in which the cross-sectional structures of various power wiring lines are stored; a decoupling capacitor search unit 40, for employing the LSI library 10 and the decoupling capacitor library 20; a power wiring determination unit 50, for employing the results obtained by the decoupling capacitor search unit 40, the LSI library 10 and the PCB library 30; and a design results output unit 60, for outputting the results received from the power wiring determination unit 50. Furthermore, the data in the three libraries can be updated or new data can be added.

Method for designing a power supply decoupling circuit

The present invention provides a power model for a semiconductor integrated circuit, wherein the power model comprises a logic gate circuit part representing an operating part of the semiconductor integrated circuit and an equivalent internal capacitive part representing a non-operating part of the semiconductor integrated circuit.

Power model for EMI simulation to semiconductor integrated circuit , method of designing the power model, EMI simulator, power model preparation computer program, and storage medium storing the same as well as power model design support system

A method for designing a decoupling circuit for a source line of a LSI includes the steps of determining the capacitance of the decoupling capacitor based on the electric charge necessary for one cycle operation of the LSI and the allowable fluctuation of the source voltage, and determining the inductance of the source line based on the impedance of the decoupling capacitor and the allowable minimum multiplexing ratio of the source current by the decoupling capacitor.

Method for designing a decoupling circuit

The present invention provides a method of forming a model for a circuit for simulating an electromagnetic interference, the model being described by a combination of at least one variable resistance and at least one load capacitance, wherein a variable resistance value of the at least one variable resistance and a load capacitance value of the at least one load capacitance are obtained based on at least one current flowing through at least one current path between at least one set of power terminals.

Method and apparatus for preparing a simulation model for semiconductor integrated circuit at power terminal for simulating electromagnetic interference

Hiroshi Wabuka

Papers

Electromagnetic interference suppressing device and circuit

Method for designing a power supply decoupling circuit

Power model for EMI simulation to semiconductor integrated circuit , method of designing the power model, EMI simulator, power model preparation computer program, and storage medium storing the same as well as power model design support system

Method for designing a decoupling circuit

Method and apparatus for preparing a simulation model for semiconductor integrated circuit at power terminal for simulating electromagnetic interference