Selector arrangement for indicating the location of elevator cars

Claim 1

A SELECTOR ARRANGEMENT FOR PROVIDING AN ACCURATE INDICATION OF THE LOCATION OF AN ELEVATOR CAR AS IT TRAVERSES ITS HOISTWAY FROM ONE FLOOR TO ANOTHER IN SEQUENTIAL ORDER; COMPRISING: (A) SWITCHING MEANS ACTUATABLE DURING TRAVEL OF THE CAR IN SAID SEQUENTIAL ORDER; (B) SAID SWITCHING MEANS INCLUDING TWO SWITCHES EACH HAVING ASSOCIATED THEREWITH A GROUP OF SWITCH ACTUATING MEANS; (C) THE SWITCH ACTUATING MEANS OF ONE GROUP BEING MOUNTED IN THE HOISTWAY IN CORRESPONDENCE WITH EVEN NUMBERED FLOORS AND THE SWITCH ACTUATING MEANS OF THE OTHER GROUP BEING SIMILARLY MOUNTED IN THE HOISTWAY IN CORRESPONDENCE WITH ODD NUMBERED FLOORS; (D) EACH OF SAID SWITCHES BEING MOUNTED ON SAID ELEVATOR CAR AND BEING OPERATIVE WHEN THE CAR''S POSITION BRINGS SAID SWITCH IN COOPERATIVE RELATION WITH A RESPECTIVE ONE OF SAID SWITCH ACTUATING MEANS SUCH THAT ONE OF SAID SWITCHES IS OPERATED AS THE CAR APPROACHES EACH EVEN NUMBERED FLOOR AND THE OTHER OF SAID SWITCHES IS OPERATED AS THE CAR APPROACHES EACH ODD NUMBERED FLOOR; (E) ELECTRIC CIRCUIT MEANS ASSOCIATED WITH EACH OF SAID SWITCHES AND EFFECTIVE WHEN ACTUATED TO CONTROL THE TRAVEL OF SAID CAR, EACH SAID ELECTRIC CIRCUIT MEANS BEING ALTERNATELY RESPONSIVE TO THE ACTUATION OF ITS ASSOCIATED SWITCH; (F) SAID ELECTRIC CIRCUIT MEANS INCLUDING MEANS PROVIDING A VARYING INDICATION OF THE FLOOR LOCATION OF THE CAR AS IT TRAVERSES ITS HOISTWAY.