KR970024784A - Area code automatic search and call control method of telephone - Google Patents

Abstract

1. the technical field to which the invention described in the claims belongs; The present invention relates to an area code automatic search and call control method of an electronic general telephone.

2. The technical problem to be solved by the invention; SUMMARY OF THE INVENTION An object of the present invention is to provide a method of automatically searching and transmitting a corresponding area code in response to a user's key input by storing the area code in advance in an electronic general telephone system.

3. Summary of the Solution of the Invention; After the search key input for automatically searching and sending the area code corresponding to the specific area, if the numeric keys indicating the name of the specific area are input from the 3x4 keypad, the numeric key input from the 3x4 keypad is used. Arrange them in order and compare them with the strings previously stored in memory. As a result of the comparison, the area code corresponding to the matching numeric string is read and sent to the dialing unit to automatically send the area code.

4. Significant use of the invention; It can be used in a communication device having a 3 × 4 keypad.

Description

Area code automatic search and call control method of telephone

As this is a public information case, the full text was not included.

1 is a block diagram of an electronic general telephone according to the present invention;

2 is a flow chart of the control unit according to an embodiment of the present invention.

Claims (3)

The area code of an electronic general telephone is equipped with a memory that stores the area code corresponding to each area and place name in correspondence with a specific string field, and a 3 × 4 keypad including a search key for searching and calling an area code. A search and origination control method, comprising: a first step of checking whether a search key is input from the 3x4 keypad in a hook switch-off state, the control means for requesting a search for a telephone number of a specific region and a place name; After the control unit switches to the area code search mode in response to a key input, when a numeric key indicating a specific area and place name is input from the 3x4 keypad, the control means converts the key buffer area into a sequential number field. A second process of storing in the memory; and whether the control means matches the numeric string field stored in the A third step of comparing and checking, if the numeric string field stored in the key buffer area and the numeric string field stored in the memory match, storing an area code corresponding to the numeric string field in the dedicated buffer area of the memory; And a fourth step in which the control means reads out the area code stored in the dedicated buffer area and sends it to the dialing unit in response to a search key ordering the area code originating from the 3 × 4 keypad. Area code automatic search and call control method of an electronic general telephone. [2] The method of claim 1, wherein a search key for searching a specific area and name of area code is newly added in addition to the 3 × 4 keypad of the electronic general phone. The error display apparatus according to claim 1, wherein the control means is provided in the key input unit when the numeric string stored in the key buffer area of the third process and the numeric string stored in the numeric string field of the memory do not match. And automatically processing the area code of the electronic general telephone after displaying an error message. ※ Note: The disclosure is based on the initial application.