VEHICLE DISTRESS TONE GENERATOR

• US 3,461,423 A
• Filed: 07/27/1966
• Issued: 08/12/1969
• Est. Priority Date: 07/27/1966
• Status: Expired due to Term

• Current Assignee: Frank C. Trumble
• Original Assignee: Frank C. Trumble
• Inventors: Trumble, Frank C.
• Application Number:
  US04/559,228
• Time in Patent Office: 1,112 Days
• US Class Current: 340/436
• CPC Class Codes: G08B 3/10 using electric transmission; using electromagnetic transmission

Claims

1. A DISTRESS TONE GENERATOR FOR GENERATING A DISTRESS TONE FROM A VEHICLE COMPRISING:

A PLURALITY OF TONE GENERATORS FOR PRODUCING A PLURALITY OF DISTINCT TONES DIFFERENT FROM EACH OTHER, EACH OF SAID TONE GENERATORS HAVING AN OUTPUT;

A MODULATOR HAVING AN INPUT AND AN OUTPUT, SAID MODULATOR INPUT COUPLED TO SAID PLURALITY OF TONE GENERATOR'"'"''"'"'S OUTPUT;

A TRANSMITTER HAVING A MODULATOR INPUT AND OUTPUT, SAID TRANSMITTER'"'"''"'"'S MODULATOR INPUT CONNECTED TO SAID MODULATOR'"'"''"'"'S OUTPUT;

AN ANTENNA COUPLED TO SAID TRANSMITTER'"'"''"'"'S OUTPUT;

A PLURALITY OF SWITCHING MEANS FOR COUPLING A POWER SOURCE TO ONE OF SAID PLURALITY OF TONE GENERATORS AND SAID MODULATOR AND TRANSMITTER.