Matches 451 - 500 out of 592 < 1 2 3 4 5 6 7 8 9 10 11 12 >
Match Document Document Title
4609970 Board holding device, in particular for RF printed circuit boards, and a method of manufacturing it  
In a board holding device for a board (1) provided with a circuit, in which the board (1) is inserted in the groove (3, 3') of an elongate frame part (2, 2'), the mechanical and electrical...
4598960 Methods and apparatus for connecting closely spaced large conductor arrays employing multi-conductor carrier boards  
Apparatus is disclosed for connecting to a plurality of closely spaced lines located on a display panel. The panel is positioned in a base plate assembly which serves as a frame for the panel. The...
4587594 Electrical circuit assemblies  
An electrical circuit assembly uses a plurality of stacks upon a generally planar support. Each constituent stack has a plurality of modules having planar substrates extending at right angles to a...
4579478 Sheet part fixing device  
A fixing device for joining two sheet parts as separated by a prescribed space from each other is disclosed which comprises a hinge part adapted to be bent perpendicularly, a base plate part...
4580192 Latching and withdrawing assembly for plug-in circuit packs  
Plug-in circuit packs, as used in telecommunications systems are planar assemblies which slide into position in a support frame, with electrical connections usually made at the inner or rear end....
4575780 Backpanel assemblies  
A backpanel assembly has printed circuit board (PCB) connectors aligned in parallel with one another and opposite one another on both sides of the backpanel, pins of opposite connectors passing...
4574332 Cage apparatus for printed circuit boards and method for preventing sharp spikes in the signal applied to said printed circuit boards  
A cage apparatus for receiving printed circuit boards which permits an electrical potential to be directed across the printed circuit boards and a method for preventing the development of sharp...
4569001 Mounting for line cards on circuit boards in telecommunications apparatus  
A mounting for line cards on circuit boards, as used in telecommunications systems comprises a molded plastic frame having a plurality of mounting positions for ceramic circuit members. Each...
4564250 Ejection and grounding system for rack-mounted plug-in modules  
An ejection and grounding system for rack-mounted plug-in modules includes an angle lever which bears against a frame element to extract a module mounted in a rack. The frame element contains a...
4563725 Electrical assembly  
An electrical assembly incorporates a multilayer printed circuit board comprising a flexible electrically insulating circuit board laminate with electrical conductors for connecting to terminals on...
4556266 Jumper wire material  
A jumper wire material for connecting a pair of printed circuit wiring boards and having, in addition, a function to serve as a spacer for holding the printed circuit wiring boards in a mutually...
4554613 Multiple substrate circuit package  
A high power circuit package 2 is disclosed for power conditioning electronic circuits. In one embodiment, a plurality of separate ceramic substrates 3-8 are provided, with a common lead frame...
4542441 Card guide  
Edge notches of various depths in circuit boards correspond with slots of various depths in a card guide so that the boards are not interchangeable.
4542442 Apparatus for the mounting and wiring of printed circuit boards  
An apparatus adapted for the mounting and wiring of printed circuit boards includes front and rear supports which together define paired slots into which the circuit boards are receivable and thus...
4541035 Low loss, multilevel silicon circuit board  
A silicon circuit board incorporates multiple levels of patterned conductors. First level upper and lower patterned conductors are situated on an insulation-coated, monocrystalline silicon...
4538211 Printed wiring board file with variable printed wiring board spacings  
A printed wiring board file employing printed wiring board guides positionable within the file at a plurality of first predetermined spacings and further positionable at a plurality of second...
4533787 Printed circuit assembly  
Certain regions of a printed circuit assembly having mechanically laid wires are formed of two parallel sheets of polyimide film, the circuit assembly being flexible in those regions. The edges of...
4520426 Cooling subrack for logic cards  
A subrack has a plurality of logic cards disposed in a planar arrangement. The logic cards are surrounded by a plug connector which has a cooling plate. In order to produce a good and uniform...
4510553 Electromechanical assembly for aligning, discharging, and sequentially engaging conductors of a P.C. board with a backplane  
An electromechanical assembly is comprised of: a printed circuit board, a backplane, first and second passages that extend completely through the backplane, ground and power conductors on the...
4504821 Integrated circuit board system and an integrated circuit board assembly for application thereto  
A passive programmed array is provided for each printed circuit board of a control system. The passive programmed array provides the logic connectors for the circuit elements mounted upon the...
4504886 Grounding and positioning clip for a power transistor  
The invention is a grounding/positioning clip for providing a DC ground return path, low inductance AC ground path between circuit boards and for positioning electronic components in relation to an...
4499607 Geometrically-integrated architecture of microcircuits for high-speed computers  
A geometrically integrated microcircuit comprises a plurality of isosceles or equilateral truncated triangular (e.g., trapezoidal or hexagonal) integrated circuit chips or circuit boards arranged...
4498120 Electrical sub-assembly having a lead frame to be compressed between a circuit board and heat sink  
An electrical sub-assembly (11) includes an electrically insulating heat conducting substrate (12) and an inter-connected series of spaced lead frame elements (15) which are sandwiched between a...
4495380 Combined metal and plastic standoff  
A combined metal and plastic standoff for supporting a circuit board in fixed spatial relationship with another element comprises a rigid plastic body of appreciable length to produce the standoff...
4495546 Hybrid integrated circuit component and printed circuit board mounting said component  
A hybrid integrated circuit component for insertion in a slit of a mother printed circuit board, and a method of mounting the hybrid integrated circuit component. The circuit component includes a...
4488202 Lead frame connector for compact circuit package  
A compact circuit package (11) includes a lead frame connector (25) which is connected to maintain an electrically insulating substrate (40) in spaced relationship with respect to an electrically...
4468718 Enclosure and mounting member for printed circuit boards  
An enclosure and mounting member for printed circuit boards has a first housing member defining the outer front of the enclosure and may have an aperture therein for exposing a front control panel....
4463218 Switching electrode portion of a circuit board for an electronic watch  
A circuit board, for an electronic timepiece, having a switching electrode formed on a narrow peripheral surface of the circuit board. The narrow peripheral surface has a pair of spaced...
4446505 Electrical connector for interconnecting printed circuit boards  
An electrical connector in the form of a pin having spaced compliant sections for electrical connection with plated through holes in printed circuit boards. The orientation of each compliant...
4437141 High terminal count integrated circuit device package  
An integrated circuit (IC) device package is disclosed suitable for accommodating large terminal count IC devices in a very small space. A first set of terminals is located in notches around the...
4426773 Array of electronic packaging substrates  
An array of electronic packaging substrates in horizontal and vertical rows in which each substrate has a plurality of internal and external terminals that are electrically interconnected is...
4420793 Electrical equipment  
Electrical equipment has its components mounted on a plurality of circuit cards. The communication to and from the cards, the supply of supply voltages, etc., take place via conductors arranged on...
4410574 Printed circuit boards and methods for making same  
A printed circuit panel is formed by providing at least one separable circuit board outline on an insulating base, each circuit board outline having at least one group of conductive strips within...
4394712 Alignment-enhancing feed-through conductors for stackable silicon-on-sapphire wafers  
Alignment-enhancing electrically conductive feed-through paths are provided for the high-speed low-loss transfer of electrical signals between integrated circuits of a plurality of...
4363075 Ventilated electronic apparatus for heated appliances  
Equipment having a source of substantial heat is provided with a ventilated housing and an electronic assembly which can be mounted between ventilating air inlet and outlet opening means in the...
4339628 RF Shielding support for stacked electrical circuit boards  
A combined supporting arrangement and RF shield for stacked circuit boards has several conducting shields, each shield covering a respective circuit board and having an edge flange, part of the...
4336419 Construction for mounting plate-like electric parts  
A construction for mounting plate-like electric parts within insertion holes formed in a printed circuit board is described which has additional holes for releasing any gases formed by soldering...
4316236 Hinged support for electrical devices  
A mounting structure for boards that can be equipped with electronic devices has structurally identical, adjacent frames, which are linked to each other on right angle lugs and can be flipped open...
4307438 Hinged back panel input/output board  
A back panel input/output board for any back panel/plug-in board assembly, often in combination with a rack for holding the boards coupled to the back panel. The wires from the back panel...
4296456 Electronic package for high density integrated circuits  
The present disclosure describes a multi-layered integrated circuit package especially suited for high density circuit applications, such as those involving LSI or ULSI. The package is...
4250536 Interconnection arrangement for circuit boards  
An arrangement for interconnecting a pair of hybrid integrated circuit boards mounted by means of pins in an upstanding position on a horizontally extending base circuit board in closely spaced,...
4232356 Logic card frame  
A logic card frame for housing removable printed circuit boards comprises a pair of identical one piece molded half frames that are snapped together, stackable, and slideable from an inserted to a...
4161017 Method and apparatus for mounting printed circuit boards  
Interlocking hinges are attached to printed circuit boards and coupled together to form a stack of printed circuit boards. Access to each board is possible by rotating the stack at a selected hinge...
4122313 Telephone connector cutover block  
An improved cutover block enabling a plurality of telephone circuits to be conveniently transferred from one switching location to another switching location. The cutover operation is performed...
4107760 Dual printed circuit card mount assembly  
An assembly is described for providing an effective, yet comparatively inexpensive means of mounting a pair of high density printed circuit cards. The assembly provides maximum air passages between...
4106076 Electrical component and bus element assembly  
A circuit module is disclosed wherein a supporting framework for the module also serves as a voltage and ground bus structure for providing appropriate connections for voltage distribution to...
4089042 Support for hybrid substrate carrying electrical circuit patterns and elements  
A substrate carrying electrical circuit patterns and elements is supported in an upright position on a printed circuit board by a clip so as to restrict rotational movement of the substrate from...
4059849 Interconnected module  
Solderable conductive strips bonded to ceramic insulator spacers interconnect terminals of adjacent substrates in a microcircuit module. Input-output connector pins are bonded to a selected base...
4058890 Method for mounting printed circuit boards  
Interlocking hinges are attached to printed circuit boards and coupled together to form a stack of printed circuit boards. Access to each board is possible by rotating the stack at a selected hinge...
4054939 Multi-layer backpanel including metal plate ground and voltage planes  
A metal voltage plate is drilled or punched first with alignment holes, placed upon a jig and drilled with contact clearance holes in preselected locations. A metal ground plate is also drilled or...
Matches 451 - 500 out of 592 < 1 2 3 4 5 6 7 8 9 10 11 12 >