Memory matrix
AssigneeC. P. Clare Corporation
InventorWyman L. Deeg
Life of this patent
Estimating the term…
Abstract
A cross point switching matrix utilizing remanent reed switches includes an array of coil forms mounted on a magnetically permeable shunt plate. Electromagnetic coils are wound around the coil forms in alternating directions and one or more remanent reed switches are contained in each coil. Magnetically permeable coupler plates are mounted on opposite sides of the shunt plates and serve to complete a magnetic path between the ends of each reed switch and the shunt plate through the other reed switches. When two or more reed switches are mounted in each coil, the switches are disposed in a straight line aligned at a 45.degree. angle to the coordinates of the matrix to permit electrical connections to be readily made to the reed switches utilizing straight conductors.
Claims18
A cross point switching matrix comprising:
- a magnetic shunt plate having a plurality of apertures defined therein;
- a plurality of reed switches disposed in said apertures and extending through said shunt plate;
- and
- a pair of magnetic coupling plates disposed on opposite sides of said shunt plate, said magnetic coupling plate having a plurality of apertures defined therein and flanges extending from said apertures, said flanges being disposed in close proximity to the ends of said reed switches for magnetically coupling said reed switches together.
A method for fabricating a cross point switching matrix comprising the steps of:
- forming a plurality of flanged coil forms;
- inserting the flanged coil forms into apertures formed in a magnetically permeable plate;
- placing a second apertured plate over the opposite side of said coil forms in order to retain the flanges of the coil forms between the apertured plates;
- winding electromagnetic coils around said coil forms;
- securing a pair of magnetic coupling plates to opposite sides of said coil forms;
- inserting a plurality of reed switches into said coil forms;
- and
- providing electrical connections to said reed switches.
A cross point switching matrix comprising:
- first and second magnetically permeable plates each having a plurality of apertures formed therein;
- a plurality of coil forms each having a radially extending flange, said coil forms having first and second sections extending from opposite sides of said flange, the first sections of said coil forms extending through the apertures formed in said first plate and the second sections of said coil forms extending through the apertures formed in said second plate, said plates being affixed together and retaining said flanges therebetween;
- a plurality of reed switches disposed in each of said coil forms, each of said reed switches having first and second opposing ends;
- a plurality of electrical windings wound around each of the first and second sections of each of said coil forms;
- a first magnetically permeable coupling plate disposed adjacent to the ends of said first sections, said first magnetically permeable coupling plate having a plurality of apertures formed therein receiving the first ends of said reed switches;
- a second magnetically permeable coupling plate disposed adjacent to the ends of said second sections, said second magnetically permeable coupling plate having a plurality of apertures formed therein for receiving the second ends of said reed switches;
- a plurality of substantially parallel, substantially straight first electrical conductors interconnecting predetermined ones of the first ends of the said reed switches;
- and
- a plurality of substantially parallel, substantially straight second electrical conductors interconnecting predetermined ones of said second end of said reed switches, said second electrical conductors being disposed in a direction substantially perpendicular to the first conductors.
Dependencies are inferred from the claim text.