Tone-based wireless remote control

• US 20060035689A1
• Filed: 08/12/2004
• Published: 02/16/2006
• Est. Priority Date: 08/12/2004
• Status: Abandoned Application

• Current Assignee: Pony Lei
• Original Assignee: Pony Lei
• Inventors: Lei, Pony
• Application Number:
  US10/916,528
• Publication Number:
  US 20060035689A1
• Time in Patent Office: Days
• US Class Current: 455/701
• CPC Class Codes: H04M 1/50 by generating or selecting currents of predetermined frequencies or combinations of frequencies
• CPC Class Codes: H04M 1/72415 for remote control of appliances

Abstract

A tone-based wireless remote control has a tone decoder operated in association with a mobile phone/telephone. When a user presses keys of the phone to generate different tones, these tones are received by the tone decoder and further converted to digital signals. A microprocessor of the tone decoder recognizes the digital signals and accordingly produces a remote control code. The remote control code is subsequently transmitted to an electrical product to accomplish a desired operation.

Claims

1. A tone-based wireless remote control comprising a phone (100) operated in associated with a tone decoder (10), wherein the tone decoder comprises:

a sound receiver (11) receiving DTMF signals when any key of the phone is pressed;

a DTMF decoder (12) coupled to the sound receiver (11) to convert the DTMF signals to digital signals;

a microprocessor (14) coupled to the DTMF decoder (12) to encrypt the digital signals to a specific remote control code; and

an amplifying and emitting circuit (15) coupled to the microprocessor (14) to retrieve the encoded remote control code, wherein the amplifying and emitting circuit (15) provides a carrier wave over the encoded remote control code and then transmits the remote control code to an electrical product to be controlled.

2. The tone-based wireless remote control as claimed in claim 1, wherein the microprocessor (14) comprises a function controller (141) and an encoder (142).

3. The tone-based wireless remote control as claimed in claim 2, wherein the microprocessor (14) further connects to a memory (16).

4. The tone-based wireless remote control as claimed in claim 1, wherein, the transmitted remote control code is an RF signal.

5. The tone-based wireless remote control as claimed in claim 1, wherein, the sound receiver (11) is coupled to the DTMF decoder through an amplifier (13).

6. The tone-based wireless remote control as claimed in claim 1, wherein, the transmitted remote control code from the tone decoder (10) is received by a signal decoder that comprises:

a receiving and amplifying circuit (21) receiving and amplifying the remote control codes emitted from the tone decoder (10);

a microprocessor (22) to decode the remote control codes to become digital signals, wherein the digital signals are then converted to derive output signals for performing a specific function; and

an interface circuit (23) for coupling between the microprocessor (22) and the electrical product to be controlled, whereby the output signals from the microprocessor (22) are applied to the electrical product through the interface circuit (23).

7. The tone-based wireless remote control as claimed in claim 6, wherein the microprocessor (22) comprises a decoder (221) and a function controller (222).

8. The tone-based wireless remote control as claimed in claim 7, wherein the microprocessor (22) further connects to a memory (24).

9. The tone-based wireless remote control as claimed in claim 8, wherein the microprocessor (22) further connects to a switch (25) and a buzzer (27).

10. The tone-based wireless remote control as claimed in claim 9, wherein the microprocessor (22) further connects to an indicating light (26).

11. The tone-based wireless remote control as claimed in claim 1, wherein the phone is a cellular phone.

12. The tone-based wireless remote control as claimed in claim 1, wherein the phone is a regular telephone.

13. The tone-based wireless remote control as claimed in claim 1, wherein the phone is a wireless household telephone.