Remote control device for vehicle

• US 7,332,997 B2
• Filed: 12/08/2004
• Issued: 02/19/2008
• Est. Priority Date: 12/11/2003
• Status: Expired due to Fees

• Current Assignee: Niles Company Limited (Valeo SE)
• Original Assignee: Niles Company Limited (Valeo SE)
• Inventors: Watanabe, Seizi, Shirai, Tsuyoshi
• Primary Examiner(s): Hofsass; Jeffery
• Assistant Examiner(s): Au; Scott
• Application Number:
  US11/007,786
• Publication Number:
  US 20050212651A1
• Time in Patent Office: 1,168 Days
• Field of Search: 340/3.9, 340/3.1, 340/3.7, 340/5.3, 340/426.36
• US Class Current: 340/3.9
• CPC Class Codes: B60R 25/2009 Antitheft state indicator
• CPC Class Codes: B60R 25/24 using electronic identifiers containing a code not memorised by the user

Abstract

A door lock drive controller, after outputting a drive signal to a drive circuit of a door lock actuator based on a signal from a remote control terminal, outputs an answer back signal in the form of pulses to a lamp drive circuit to light a hazard lamp. In a buzzer drive controller, pulses are converted to waveforms with changing voltage values at a waveform converter. A repetitive pulse with frequencies that changes is generated by a frequency generator based on the waveform-converted pulses and, in accordance therewith, a buzzer is driven by an output unit. A whistle-like tone can be obtained by causing the frequency of the repetitive pulse to change in the direction of increase.

Claims

1. A remote controller for a vehicle comprising:

an answer back circuit that upon receipt of instruction signals from a terminal executes a prescribed control and reports execution of such control based on an answer back signal

said answer back circuit comprising a waveform conversion unit for waveform conversion of a prescribed pulse based on the answer back signal;

said waveform conversion unit comprising a charge-discharge circuit and outputs a pulse with changing voltage value within a pulse width corresponding to said prescribed pulse;

a frequency generation unit for generating a repetitive pulse with changing frequency based on said waveform converted-pulse; and

an output unit that drives a sound generator in accordance with said repetitive pulse.

2. A remote controller for a vehicle according to claim 1, wherein said frequency generation unit comprises an oscillation circuit and causes such oscillation pulse width to change in accordance with said voltage value.

3. A remote controller for a vehicle according to claim 2, wherein said answer back circuit further comprises a lamp drive circuit, and a lamp is lighted based on said answer back signal.

4. A remote controller for a vehicle according to claim 1, wherein said answer back circuit further comprises a lamp drive circuit, and a lamp is lighted based on said answer back signal.

5. A remote controller for a vehicle comprising:

an answer back circuit that upon receipt of instruction signals from a terminal executes a prescribed control and reports execution of such control based on an answer back signal;

said answer back circuit comprising a waveform conversion unit for waveform conversion of a prescribed pulse based on the answer back signal,

a frequency generation unit for generating a repetitive pulse with changing frequency based on said waveform-converted pulse;

said frequency generation unit changing the frequency of said repetitive pulse so as to increase; and

an output unit that drives a sound generator in accordance with said repetitive pulse.

6. A remote controller for a vehicle according to claim 5, wherein said answer back circuit further comprises a lamp drive circuit, and a lamp is lighted based on said answer back signal.