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"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 5677830 | Modular, stacking, expandable electronic enclosure system An electronic circuit board enclosure comprised of a planar member having dimensions at least equal to dimensions of the circuit board, first pillars fixed to at least one side of the planar member and extending orthogonally to the planar member above the... | 10/14/1997 |
| 5666272 | Detachable module/ball grid array package A system for packaging integrated circuit components including a ball grid array substrate with a plurality of solder balls coupled to the substrate. A semiconductor device is mounted on the substrate and electrically coupled to the solder balls. One or m... | 09/09/1997 |
| 5627413 | Voltage regulator disable circuit A circuit disables an on-board voltage regulator when an upgrade voltage regulator is installed. The system including the voltage regulator disable circuit of the preferred embodiment comprises an on-board voltage regulator circuit, a receptacle, coupled ... | 05/06/1997 |
| 5604666 | Outdoor communication device having disk-like mounting portion, units stacked on the mounting portion, and fixing members for fixing the units on the mounting portion The structure of an outdoor communication device includes a device body and a mounting base. The device body includes a device body, a disk-like mounting portion, a plurality of units, and a cylindrical cover. The units are enclosed in rectangular paralle... | 02/18/1997 |
| 5603044 | Interconnection network for a multi-nodal data processing system which exhibits incremental scalability An interconnection network comprises a pair of backplanes for receiving X pluggable node cards. The pair of backplanes include X backplane connector groups, each backplane connector group adapted to receive mating connectors from a pluggable node card. Ea... | 02/11/1997 |
| 5583749 | Baseboard and daughtercard apparatus for reconfigurable computing systems A reconfigurable apparatus for computing systems including a set of baseboards and a family of daughtercards, together with a programmable interface to an external bus for a host system. Daughtercards attach to the baseboard through complementary connecto... | 12/10/1996 |
| 5552962 | Interconnect and cross-connect equipment including jack panel Disclosed are interconnect and cross-connect equipment which permit easy cutover and restoration of telecommunications services. Coupled to plug-receiving jacks is a series of relays which are not activated until a button is depressed after the plugs are ... | 09/03/1996 |
| 5541810 | Expandable programmable controller An expandable automation system includes both a programmable controller that is capable of stand-alone operation, and a modular programmable controller. The programmable controller that is capable of standalone operation has an interface, such as a multip... | 07/30/1996 |
| 5526230 | 3D interconnection process for electronic component packages and resulting 3D components A device and method for interconnection packages in a stack. Each package encapsulates, for example a semiconductor chip containing an integrated circuit, which for example may be a memory. The packages (2) which have connecting pins (21) are mounted on s... | 06/11/1996 |
| 5508886 | Electrical system consisting of individual subassemblies In an electrical system consisting of individual subassemblies, particularly in a control system composed of modules, the individual subassemblies (1, 2) comprise housings, which are adapted to be arranged in a row and for making electric line connections... | 04/16/1996 |
| 5509066 | Telephone distribution frame element, in particular a connection strip A telephone distribution frame element, of the type including firstly a plurality of input connectors (14E) and output connectors (14S) disposed in rows, and secondly at least one filtering and/or protection module (17) to be inserted between the input co... | 04/16/1996 |
| 5497471 | High performance computer system which minimizes latency between many high performance processors and a large amount of shared memory A new machine design minimizes latency between many high performance processors and a large amount of shared memory. Wire length, latency and skew are minimized by stacking edge connected modules (ECMs). The ECMs are characterized by signal input/output (... | 03/05/1996 |
| 5493194 | Control signal and power bus connector arrangement for a multi-axis motor control A motor control system and the electrical bus for interconnecting the components of the control system are disclosed herein. The system includes a main motor control unit connected to four motor axis control modules. The control algorithms and commands fo... | 02/20/1996 |
| 5459474 | Active array antenna radar structure An active array antenna, which may be used for radar, includes antenna elements (antelements) supported in a two-dimensional array. The fronts of the elements are protected by a cover. In order to allow easy repair, each column of antelements is associate... | 10/17/1995 |
| 5436799 | Modular switching-element block A modular switching-element block which comprises at least one base body having plug-in locations for switching elements, such as electrical switches, and is fitted with a base body which is split into a plurality of base-body modules which can be plugged... | 07/25/1995 |
| 5434752 | System and method for regulating staggered connection insertion timing A system for controlling staggered connection timing of an adapter module so that live insertion, or "hot swapping", may be performed with the adapter module, has a connector with staggered pins, i.e., some pins being longer than others for initial contac... | 07/18/1995 |
| 5418686 | Electrical safety system for electrical device Apparatus and electrical circuitry are provided for electrical devices in order to provide electrical isolation of exposed electrical contacts on at least one of multiple modules of the electrical device. The apparatus includes at least one actuating comp... | 05/23/1995 |
| 5406453 | Computer chassis planar/riser card assembly To improve the serviceability, manufacturability and uptime for a computer file server a specially designed planar/riser card assembly is mounted on the computer chassis and includes a card cage structure in which a riser card is secured. Carried on the r... | 04/11/1995 |
| 5349497 | Detachable handle structures for terminals A terminal for receiving and storing information and a reader for reading information and communicating the information to the terminal. A housing is provided which has the terminal and reader integrated therein and also a battery for providing necessary ... | 09/20/1994 |
| 5233501 | Digital telecommunication network cross-connect module having a printed circuit board connected to jack switches A digital communication network having a digital cross-connect system is described for facilitating the insulation, testing, monitoring, restoration and repair of digital telecommunication apparatus. The system includes a plurality of digital cross-connec... | 08/03/1993 |
| 5111358 | Electrical equipment with mode indicator Electrical equipment which is configurable to operate in a number of modes includes an enclosure, a transparent window in the enclosure through which may be viewed a connector which configures the equipment in a selected mode so enabling a user to determi... | 05/05/1992 |
| 4922407 | Modular electronic timer switch system Each of several, typically three, microprocessorcontrolled modular electronic timers is selectably electrically pluggable to each of several, typically four, custom packaged modular switches. Each modular switch contains an indentical switch circuit that ... | 05/01/1990 |
| 4918335 | Interconnection system for integrated circuit chips A novel packaging system for VLSI circuits allows low-cost construction and maintenance of complex high density high-performance devices with low power requirements. The devices can be individually created by software means from a small selection of stand... | 04/17/1990 |
| 4739450 | Ground fault receptacle with compact component arrangement A receptacle with a ground fault circuit interrupter has a load contact and housing configuration in which a varistor for electronics protection is disposed with pressure contact to adjacent spring fingers of the load contacts. Also, a pre-assembly of mol... | 04/19/1988 |
| 4227094 | Switching matrix for wide band electric transmission signals The present invention relates to switching wide band electric transmission signals. It provides a switching matrix which includes inlet/outlets one of which sets forms the columns while the other set forms the rows of the matrix and switching points dispo... | 10/07/1980 |
