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4568796 |
Housing carrier for integrated circuit
The present invention concerns a housing carrier for an integrated circuit. It comprises at least two rows of output conductors disposed at regular intervals on the periphery of a housing along a...
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4567544 |
Plug-in ground fault circuit interrupter module
Ground fault circuit interrupter components, including a fault-sensing circuit and a relay, are enclosed within a housing having terminals for connection of the wires of a line cord extending from...
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4567545 |
Integrated circuit module and method of making same
An integrated circuit module adapted to connect an integrated circuit to an electrical connector. A lead frame (20) with lengthened leads (22), compared to the lead frame of a conventional DIP...
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4558396 |
Display device for portable type electrical equipment
A display device for electrical equipment includes a casing for the equipment, a transparent plate mounted in the casing, a display panel positioned in the casing inwardly of the transparent plate,...
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4549200 |
Repairable multi-level overlay system for semiconductor device
A multi-level integrated circuit packaging system having a primary support frame, an array of secondary support frames mounted in said primary support frame and an array of single chip carriers...
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4547795 |
Leadless chip carrier with frangible shorting bars
An integrated circuit semiconductor chip or the like is packaged on a leadless chip carrier. The chip carrier comprises a substrate with an integral coplanar extension frangibly connected to one or...
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4546414 |
Plug-in circuit board connector and keying assembly
A mainframe printed wiring board assembly for receiving plug-in circuit boards of two different types in connectors on the mainframe printed wiring board. Each connector is correct for only one of...
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4546413 |
Engineering change facility on both major surfaces of chip module
A multiple chip module is provided with an engineering change (EC)/repair facility by means of delete lines located on both major surfaces of the module. In one embodiment, defective pin vias...
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4542437 |
CATV package designed for underground system use
A CATV package housing electronic circuits designed especially for use in underground cable TV systems is vertically mounted with all connections on the bottom and includes a specialized...
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4533976 |
Electronic unit
Printed circuit boards each having an electronic component packaged thereon are stacked in a casing with conductive elastic members being interleaved therebetween and an opening of the casing is...
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4519014 |
Cable access assembly
An access assembly for a multi-conductor cable including a pair of end members through which the cable extends, a strain relief member connected with and extending between the end members and a...
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4510552 |
Device for housing communication circuits and equipment
A housing device for housing communication circuits and equipment which includes a frame which can receive a plurality of printed boards, each printed board comprising a communication circuit and...
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4510551 |
Portable memory module
The portable memory module disclosed herein is constructed in a compact cylindrical form facilitating its use in oceanographic and environmental data acquisition environments. Individual integrated...
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4507709 |
Electrical interconnect arrangement for a GFCI magnetic sensor module plug-in subassembly
A ground fault circuit interrupter interconnect arrangement provides wireless connection with line and neutral main current terminals by insertion through an aperture in the interrupter magnetic...
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4503484 |
Chassis for electronic circuitry
A chassis for electronic circuit modules is disclosed in which a support frame is fabricated from two flat side panels spaced apart by four rods. The rods may be of variable length to accomodate...
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4499523 |
Electronic component assembly with a printed circuit board unit and cover
An electronic component assembly including a printed circuit board unit and a protective cover wherein the cover has flexible flap portions that protect electrical contact pads disposed along at...
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4494174 |
Wet-electrolyte capacitor package
A printed-circuit-mountable wet-electrolyte capacitor is housed in a cylindrical can. A disc-shaped plastic cover is fitted in the open end of the can and has a through-terminal sealed therein to...
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4481426 |
Signal transmitting system having spurious radiation preventing function
A signal transmitting system including a spurious radiation preventing circuit which comprises a differentiating circuit coupled to a signal line connected to a signal source for differentiating an...
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4472765 |
Circuit structure
A three-dimensional circuit structure suited for a routing type electronic switcher matrix, for analog or digital signals, in which internal wire interconnections are not required. Plural...
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4470100 |
Printed circuit board connector for use in computer systems
A connector arrangement for making connections between printed circuit boards and connectors located on parallel side panels such as the side panels of a card cage of a computer central processing...
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4462758 |
Water well pump control assembly
This disclosure relates to a control assembly, a well pumping system, the system including an electric motor driven pump and a storage tank that receives liquid from the pump. The control assembly...
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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...
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4459640 |
Display mounting assembly
A visual display mounting assembly is provided wherein a substantially rectangular parallelopiped central body 18 of a display module 17 is sandwiched between a planar surface 29 of a printed...
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4442476 |
Versatile printed circuit board termination rack
A termination rack suitable for mounting in a 19 inch instrument cabinet is designed to provide separate cable troughs associated with each of a plurality of printed circuit board housings to...
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4420652 |
Hermetically sealed package
A shell of a hermetically sealed package has a through hole and a circuit board is inserted and fixed hermetically into the through hole, and a can is fixed hermetically to the shell. The circuit...
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4419646 |
Electric proximity sensor
An electric proximity switch of the type that is inserted into the cylinder wall of a hydraulic cylinder and is sealed tight with respect to the hydraulic fluid, the proximity sensor having a...
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4399487 |
Insulated plug-in module
A cabinet is disclosed having recesses receiving sliding insulated plug-in modules, the modules having front connectors for receiving input signals and rear coupling portions, each module having...
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4394707 |
Electrical circuit package
An electrical circuit package is disclosed that provides an electrically insulating protection cover for an integral circuit board assembly. The package includes a flexible dielectric substrate 10....
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4386388 |
Printed circuit board assembly
A protective cover formed from sheet aluminum, which is used to provide both electrical shielding and mechanical protection for a printed circuit board and its components. The abutting edges of the...
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4380360 |
Cartridge, holder and connector system
A cartridge, cartridge holder and connector system are disclosed formed primarily of two components, namely, an electronic component carrying cartridge and an assembly for receiving the cartridge...
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4336569 |
Control panel assembly
A control panel assembly adapted for controlling operation of a cooking utensil comprises a control panel, a printed wiring board forming a back surface of the control panel assembly, and circuit...
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4328530 |
Multiple layer, ceramic carrier for high switching speed VLSI chips
A module carrying microcircuit LSI chips includes stacks of parallel ceramic sheets carrying thin capacitor plates laminated in a ceramic structure in which the capacitor plates either serve (1) as...
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4319305 |
Printing circuit board mounting systems
A printed circuit board mounting system uses three pairs of channels 7, 11, 14 to support a board 3 in a rest position, a test position or a repair position, for the maintenance of the board 3...
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4288841 |
Double cavity semiconductor chip carrier
A semiconductor device including a double cavity semiconductor chip carrier 100 which comprises a multilayer ceramic sandwich structure having a pair of semiconductor chip receiving cavities in the...
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4283755 |
Modulator multilayer detector
Infrared detector arrays have focal plan processing in modular form mounted on stacked boards, where the processing integrated circuits are recessed in adjacent boards.
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4250498 |
Light barrier receiver
A transmitting lens and a receiving lens are arranged alongside each other on one narrow side of a shallow housing so that a pencil beam of light transmitted by the transmitting lens and reflected...
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4231098 |
Casing of electronic calculators
Wiring patterns and key contact patterns are directly formed on an inner surface of a casing of an electronic calculator. A printed board or a substrate can be eliminated by mounting electrode...
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4218724 |
Compact circuit package having improved circuit connectors
A circuit package has an inverted receptacle-like housing with a base plate and a depending peripheral wall. Upper and lower substrates are spaced within the housing with the major elements...
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4217624 |
Communications interface adapter
A single circuit board, having a communication interface adapter circuit including I/O and power supply connectors, switches and indicators mounted directly thereto, is mounted to the rear panel of...
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4203147 |
Electrostatic shielding assembly for mounting electric circuit boards
An amplifier system comprises a plurality of modules located within a cabinet in a manner providing minimum signal paths. The signal to be amplified is divided into frequency ranges for main...
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4174331 |
Refractory moldable composition containing ceramic fiber and colloidal silica
A refractory moldable composition which, upon drying, sets up to refractory shapes which are strongly adherent to the molding surfaces and are essentially crack-free, contains about 45 to about 65%...
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4163274 |
Unified chassis for a two-way radio
A base station radio chassis has upper and lower compartments for receiving the transmitter and receiver modules, respectively, therein. Electrical interconnections between the two modules are...
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4149220 |
Arrangement for mounting a transducer on a housing
A housing containing a pair of electronic circuit boards removably mounts on the side of an engine air filter housing. The circuit board housing has a generally concave inner face matching the...
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4144705 |
Timepiece circuit device
A timepiece circuit device including an upper frame, a lower frame and a print base board having a conductive pattern for mounting and electrically connecting a semiconductor device. At least one...
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4137559 |
Socket assembly
Plural quadrilateral frames are stacked in a tube with quadrilateral cross section. Contact springs are arranged in several levels and continued through the socket wall for termination in...
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4131851 |
Radio-signal receiver with plug-in modules
A receiver for radio signals, comprising an r-f (radio-frequency) unit and an a-f (audio-frequency) unit, the circuit in the a-f unit being interrupted at certain points and the receiver being...
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4124877 |
Amplifier with digital control
In electronic amplifiers it is desirable to have the capability of accurate setting of the characteristic values while still having a limited space on a front panel. In order to accomplish this, a...
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4120022 |
Plastic modular casing for an electronic watch
The present invention is a module frame for use in a modular electronic assembly which includes a light emitting read out source and which also includes a substrate on which an integrated circuit...
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4112481 |
Miniature multi-impedance transformer module
A miniature multi-impedance transformer module specially adapted for use in telephony. In the preferred embodiment a pair of multi-winding transformers and a coil are configured to have connecting...
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4079268 |
Thin conformal antenna array for microwave power conversion
A structure of a circularly polarized, thin conformal, antenna array which may be mounted integrally with the skin of an aircraft employs microstrip elliptical elements and interconnecting feed...
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