Method for changing display direction in a portable telephone

• US 20020180762A1
• Filed: 11/27/2001
• Published: 12/05/2002
• Est. Priority Date: 06/01/2001
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Lee, Jong-Chul
• Application Number:
  US09/994,565
• Publication Number:
  US 20020180762A1
• Time in Patent Office: Days
• US Class Current: 345/649
• CPC Class Codes: G09G 2310/0283 Arrangement of drivers for different directions of scanning
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: H04M 1/05 specially adapted for use on head, throat or breast
• CPC Class Codes: H04M 1/56 Arrangements for indicating or recording the called number at the calling subscriber's set
• CPC Class Codes: H04M 1/6041 Portable telephones adapted for handsfree use

Abstract

There is disclosed a method for changing an image display direction of a display in a portable telephone comprising the steps of determining whether a display direction change mode is selected while displaying an image in a predetermined display direction through the display and changing the display direction if the display direction change mode is selected.

Claims

1. A method for changing a display direction of a display for displaying an image in a portable telephone, comprising the steps of:

displaying the image on the display in a predetermined display direction;

determining whether a display direction change mode is selected, while displaying the image in the predetermined display direction; and

changing the display direction if it is determined that the display direction change mode is selected.

2. The method as claimed in claim 1, wherein a user selects the display direction change mode by pressing a key.

3. The method as claimed in claim 1, wherein a user selects the display direction change mode by connecting an earphone jack to the portable telephone.

4. The method as claimed in claim 1, wherein the display direction change mode is determined by inversion of the portable telephone.

5. The method as claimed in claim 4, wherein inversion of the portable telephone is sensed through a gravity sensor.

6. The method as claimed in claim 2, wherein the display direction changing step comprises the steps of:

continuing to display the image in the predetermined display direction for a predetermined time period;

changing a value of at least one display direction selection register; and

displaying the image in a changed display direction according to the changed value of the at least one display direction selection register.

7. The method as claimed in claim 6, wherein the display direction selection register value is changed by reversing both an output direction of segments and an output direction of columns.