Electrical pulse generator and transmitting means

Claim 1

A SWITCHING APPARATUS COMPRISING, A RECTANGULAR HOUSING FORMED OF A MAGNETIC MATERIAL AND HAVING OPPOSED SIDE WALLS AND OPPOSED END WALLS INTEGRALLY SECURED TO EACH OTHER AND TO A BASE WALL AND HAVING A REMOVAL COVER WALL RELEASABLY SECURED AT OPPOSITE ENDS TO THE OPPOSED END WALLS AND BEING SPACED FROM THE OPPOSITE OPPOSED SIDE WALLS TO ALLOW ATMOSPHERIC BREATHING AND HAVING AN OPENING CENTRALLY OF THE BASE WALL, A SWITCH BLOCK FORMED ON NON-MAGNETIC MATERIAL ADJACENT TO THE BASE WALL, SAID BLOCK BEING APPROXIMATELY ONE-HALF THE DEPTH OF THE HOUSING AND CONFORMING TO THE SHAPE OF THE HOUSING, SAID BLOCK INCLUDING A BEARING OPENING CENTRALLY OF THE BLOCK ALIGNED WITH THE OPENING OF THE HOUSING AND A GROOVE IN THE SURFACE ADJACENT THE BASE WALL EXTENDING PARALLEL TO AND ADJACENT A SIDE WALL, A GLASS ENCAPSULATED REED SWITCH HAVING CONTACT ARMS AND EXPOSED ENDS OF SAID CONTACT ARMS WITH CONNECTING LEADS ATTACHED TO SAID ENDS AND DISPOSED WITHIN THE GROOVE, A PLIABLE POTTING MATERIAL DISPOSED WITHIN THE GROOVE TO SUPPORT THE REED SWITCH, AND TO SEAL THE CONNECTION OF THE LEADS TO THE CONTACTS, A ROTATING DISC HAVING A CENTRAL HUB JOURNALED WITHIN THE BEARING OPENING, THE DIAMETER OF SAID DISC BEING SELECTED TO OVERLIE SAID REED SWITCH, MEANS TO COUPLED A SHAFT TO THE HUB AND FORM A SUPPORT FOR THE DISC, A PERMANENT MAGNET SECURED WITHIN AN OPENING IN THE DISC, SAID PERMANENT MAGNET BEING POLARIZED AXIALLY OF THE DISC AND ESTABLISHING A MAGNETIC FIELD CYCLICALLY IMPRESSED UPON THE REED SWITCH, AND A SPACER SECURED TO THE INNER SURFACE OF THE COVER.