×

Remote control transmitter configured as an article of utility

  • US 5,331,325 A
  • Filed: 08/14/1989
  • Issued: 07/19/1994
  • Est. Priority Date: 08/14/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a transmitter apparatus for remote arming and disarming of vehicle car alarms, the transmitter being of the type having an encoded signal source modulating an oscillator for transmitting an encoded radio frequency signal to a receiver in the vehicle, the improvement comprising:

  • a key-shaped housing enclosing said signal source and said oscillator; and

    a key blank mechanically connected to said housing and electrically connected to said oscillator for radiating said radio frequency signal as an antenna.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×