Patent · US Expired

Automatic power antenna retraction

US5521442A · kind A · utility

3Cited by
14References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1994
Grant dateMay 28, 1996
Priority date
Expiry dateFeb 18, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q1/10
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

In a vehicle with a radio, a transmission, a brake, a throttle, a vehicle speed and a power antenna, a method of controlling the power antenna comprising the steps of: (a) determining whether the radio is in an on state; (b) determining if the transmission is one of: (i) in a neutral state and (ii) in an unengaged state; (c) determining if the brake is in an off state; (d) determining if the throttle is in an idle state; (e) determining if the vehicle speed is below a predetermined threshold; and (f) responsive to the determinations, if the radio is in the on state, the transmission is in one of: (i) the neutral state and (ii) the unengaged state, the brake is in the off state, the throttle is in the idle state and the speed is below the predetermined threshold, automatically retracting the power antenna, thereby preventing possible damage to the antenna by the automatic car wash.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.