Device for indicating short circuits

• US 3,074,013 A
• Filed: 09/23/1958
• Issued: 01/15/1963
• Est. Priority Date: 09/23/1958
• Status: Expired due to Term

• Current Assignee: Roy N. Bowden
• Original Assignee: Roy N. Bowden
• Inventors: Bowden, Roy N.
• Application Number:
  US03/762,819
• Time in Patent Office: 1,575 Days
• US Class Current: 324/503
• CPC Class Codes: B60Q 11/00 Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00

Claims

1. A DEVICE FOR CONNECTION INTO THE MAIN LEAD OF A VEHICLE LIGHTING SYSTEM TO COMPLETE THE CIRCUIT BETWEEN A BATTERY AND THE VEHICLE LIGHT BULBS, SAID DEVICE COMPRIS ING A PAIR OF TERMINALS;

A FIRST GROUP OF RESISTANCE ELEMENTS AT LEAST ONE OF WHICH IS AN INCANDESCENT LAMP FILAMENT, A SECOND GROUP OF RESISTANCE ELEMENTS;

A SWITCH OPERABLE TO A FIRST POSITION AND TO A SECOND POSITION;

A LEAD CONNECTING ONE SIDE OF EACH ELEMENT OF THE FIRST GROUP TO ONE OF SAID TERMINALS;

A LEAD CONNECTING ONE SIDE OF EACH ELEMENT IN THE SECOND GROUP TO THE OTHER OF SAID TERMINALS;

CIRCUIT ELEMENTS CONNECTING THE OTHER SIDE OF THE ELEMENTS OF THE FIRST GROUP TO THE SAID OTHER TERMINAL WHEN THE SWITCH IS IN THE FIRST POSITION;

LEADS CONNECTING THE OTHER SIDE OF INDIVIDUAL ELEMENTS IN THE FIRST GROUP TO THE CORRESPONDING SIDE OF INDIVIDUAL ELEMENTS IN THE SECOND GROUP WHEN THE SWITCH IS IN THE SECOND POSITION.