System and method for push-to-talk image communications in a mobile communication terminal

• US 20060172755A1
• Filed: 02/02/2006
• Published: 08/03/2006
• Est. Priority Date: 02/02/2005
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Park, Joon-Gil
• Application Number:
  US11/345,747
• Publication Number:
  US 20060172755A1
• Time in Patent Office: Days
• US Class Current: 455/518
• CPC Class Codes: H04L 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/4061 Push-to services, e.g. push-to-talk or push-to-video
• CPC Class Codes: H04L 65/762 at the source reformatting of additional data in video distribution servers H04N21/2355
• CPC Class Codes: H04N 21/41407 embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/437 Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server flow control in data networks H04L47/10; streaming protocols, e.g. RTP or RTCP, H04L65/65; scheduling or organising the servicing of application requests in data packet switching networks H04L67/60
• CPC Class Codes: H04N 21/643 Communication protocols network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP], H04L65/65
• CPC Class Codes: H04W 4/10 Push-to-Talk [PTT] or Push-On-Call services
• CPC Class Codes: H04W 76/45 for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
• CPC Class Codes: H04W 84/08 Trunked mobile radio systems

Abstract

An image communication system and a method, capable of a group-call pictorial communication using a mobile communication terminal. The system provides mobile subscribers with Push-To-Talk (PTT) picture communication with one or more designated destination parties, converting a set of voice data and image data to PTT Internet Protocol packets and transferring the packet data through the PTT communication.

Claims

1. A method of performing push-to-talk (PTT) image communication using a mobile communication terminal having at least one camera module, comprising:

accessing a push-to-talk (PTT) server upon receipt of a request from a user of the mobile communication terminal;

activating the camera module and a microphone unit upon input of a PTT call function key to produce picture data and voice data;

multiplexing the picture data and the voice data to generate a set of moving picture data; and

converting the moving picture data to push-to-talk Internet Protocol (PTT IP) packets and transferring the packets to the PTT server.

2. The method according to claim 1, further comprising:

receiving a given PTT IP packet while accessing the PTT server;

converting the PTT IP packet to moving picture data;

demultiplexing the moving picture data to separate a series of voice data and picture data therefrom; and

reproducing the voice data in synchronization to be output to a speaker and simultaneously reproducing the picture data in synchronization to be output to a display unit.

3. A push-to-talk (PTT) image communication system using a mobile communication terminal, comprising:

a push-to-talk (PTT) server for transmitting a push-to-talk Internet protocol (PTT IP) received to a destination mobile terminal; and

the mobile communication terminal including a controller for accessing the PTT server upon receipt of a request from a user of the mobile communication terminal, activating a camera module and a microphone unit upon input of a PTT call function key to thereby produce picture data and voice data, multiplexing the produced picture data and the voice data to generate a set of moving picture data, and converting the moving picture data to the PTT IP packets and transferring the packets to the PTT server.

4. The push-to-talk (PTT) image communications system according to claim 3, wherein the mobile communication terminal controls converting a given received PTT IP packet to a moving picture data while accessing the PTT server, demultiplexing the moving picture data to respectively separate a series of voice data and picture data therefrom, and reproducing the voice data in synchronization to be output to a speaker and simultaneously reproducing the picture data in synchronization to be output to a display unit.