Luminescent external dialer for mobile phone

• US 6,507,729 B1
• Filed: 08/03/2000
• Issued: 01/14/2003
• Est. Priority Date: 06/16/2000
• Status: Expired due to Fees

• Current Assignee: Lucent Trans Electronic Company, Ltd.
• Original Assignee: Lucent Trans Electronic Company, Ltd.
• Inventors: Cheng, Chin-Hung
• Primary Examiner(s): Le, Thanh Cong
• Assistant Examiner(s): TRINH, TAN H
• Application Number:
  US09/631,936
• Time in Patent Office: 894 Days
• Field of Search: 455/66, 455/575, 455/566, 455/90, 455/568, 379/454, 379/455, 345/70, 345/102, 345/89, 345/69
• US Class Current: 455/90.1
• CPC Class Codes: H04M 1/22 Illumination; Arrangements for improving the visibility of characters on dials
• CPC Class Codes: H04M 1/23 Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof by improving visibility H04M1/22
• CPC Class Codes: H04M 1/271 controlled by voice recognition
• CPC Class Codes: H04M 1/6091 including a wireless interface

Abstract

A luminescent external dialer for mobile phone primary includes a main unit and an external dialer. The main unit is connected to a mobile phone and having a voice-control circuit of hand-free set and a mobile phone charger circuit while the voice-control circuit of hand-free set is connected with a microphone as well as a speaker. The external dialer consists of a microprocessor, a liquid crystal display (LCD), a brightness controller, a keyboard, a luminescent panel circuit, a photosensitive circuit, and a memory. The external dialer is attached to the main unit and the main unit is connected with the mobile phone. The external dialer is installed at easy-to-reach location for the convenience of its users. Other features beneficial to users include the larger keyboard for a better command of the mobile phone and a luminescent panel circuit for increasing the brightness when the light in the environment is insufficient.

Claims

1. A luminescent external dialer for mobile phone primary comprising

a main unit connected to a mobile phone and having a voice-control circuit of hand-free set and a mobile phone charger circuit while said voice-control circuit of hand-free set is connected with a microphone as well as a speaker;

an external dialer connected to said voice-control circuit of hand-free set of said main unit 1 and having a microprocessor, a liquid crystal display (LCD), a brightness controller, a keyboard, a luminescent panel circuit, a photosensitive circuit, and a memory, wherein

said microprocessor is used to control all circuits;

said LCD for showing signals of incoming call or information is connected to said microprocessor;

said brightness controller for regulating the brightness of said LCD is connected to said LCD;

said keyboard for inputting dial information is connected to said microprocessor and transmitting the information thereto;

said luminescent panel circuit for increasing the brightness when the light in the environment is insufficient is connected to said microprocessor;

said photosensitive circuit connected to said luminescent panel circuit can detect the light in the environment in order to drive said luminescent panel circuit;

said memory connected to said microprocessor is used to save preset parameters.

2. The luminescent external dialer for mobile phone as claimed in claim 1, wherein an infrared receiver is mounted on said main unit while an infrared emitter is disposed on said external dialer so that said external dialer and said main unit is connected with each other in wireless way.