Mobile terminal equipped with adapter for image display and method for handling changes in connection line quality

• US 6,819,944 B1
• Filed: 04/14/2000
• Issued: 11/16/2004
• Est. Priority Date: 05/17/1999
• Status: Expired due to Term

• Current Assignee: Lenovo Innovations Ltd Hong Kong (Lenovo Group Ltd.)
• Original Assignee: NEC Corporation
• Inventors: Sato, Ryohei
• Primary Examiner(s): Trost, William
• Assistant Examiner(s): Ewart, James D
• Application Number:
  US09/548,996
• Time in Patent Office: 1,677 Days
• Field of Search: 455/67.1, 455/67.7, 455/226.1, 455/423, 455/424, 455/425, 455/566, 345/3.4, 345/699, 345/864
• US Class Current: 455/566
• CPC Class Codes: H04M 1/72502 with one base station connected to a single line
• CPC Class Codes: H04N 21/4126 The peripheral being portable, e.g. PDAs or mobile phones
• CPC Class Codes: H04N 21/43637 involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11] arrangements for wireless networking or broadcasting of information in indoor or near-field type systems H04B10/114

Abstract

Radio mobile terminal 120 is provided with antenna 129, transmitting/receiving output unit 121, image information output unit 122 for outputting image information, line quality monitoring unit 123 for monitoring line quality between radio base station device 110 and radio mobile terminal 120 based on signals received at transmitting/receiving output unit 121, display method selector 124 for selecting an appropriate image display method on image display unit 140 according to the line quality, and display method designator 125 for outputting the selected display method to adapter for image display 130. Adapter for image display 130 is provided with image display processor 131 for receiving the image information and displaying an image on image display unit 140, and display operation unit 132 for receiving the instructions of display method designator 125 and operating image display processor 131 to modify to an appropriate display.

Claims

1. A mobile terminal provided with an adapter for image display and that includes a radio mobile terminal that is connected to a radio base station device by a radio line, an adapter for image display that is connected to said radio mobile terminal, and an image display unit, wherein:

said radio mobile terminal monitors the quality of the line between said radio base station device and the radio mobile terminal, and communicates to said adapter for image display information relating to manipulation of the image display content that is necessary for dealing with image degradation that can be predicted to occur due to changes in the line quality; and

said adapter for image display, by means of this information, manipulates the image display content of said image display unit to modify it to an appropriate image display.

2. A mobile terminal provided with an adapter for image display according to claim 1 wherein:

said radio mobile terminal comprises;

an antenna for transmitting radiowaves to and receiving radiowaves from an antenna of said radio base station device;

a transmitting/receiving output unit for reproducing voice, data, and image information from radiowaves received at said antenna, and conversely, for generating signals from received voice, data, and images and transmitting to said radio base station device by way of said antenna;

an image information output unit for outputting image information to said adapter for image display;

a line quality monitoring unit for monitoring line quality between said radio base station device and said radio mobile terminal based on signals received at said transmitting/receiving output unit;

a display method selector for selecting an appropriate image display method on said image display unit according to line quality; and

a display method designator for outputting the selected display method to said adapter for image display; and

said adapter for image display comprises;

an image display processor for receiving image information from said image information output unit and displaying an image on said image display unit; and

a display operation unit for receiving instructions from said display method designator and operating said image display processor to modify to an appropriate display.

3. A mobile terminal provided with an adapter for image display according to claim 1 wherein:

said radio mobile terminal comprises;

an antenna for transmitting radiowaves to and receiving radiowaves from an antenna of said radio base station device;

a transmitting/receiving output unit for reproducing voice, data, and image information from radiowaves received at said antenna, and conversely, for generating signals from received voice, data, and images and transmitting to said radio base station device by way of said antenna;

an image information output unit for outputting image information to said adapter for image display;

a line quality monitoring unit for monitoring line quality between said radio base station device and said radio mobile terminal based on signals received at said transmitting/receiving output unit; and

a line quality information transmitter for outputting line quality information that was detected at said line quality monitoring device to said adapter for image display; and

said adapter for image display comprises;

an image display processor for receiving image information from said image information output unit and displaying an image on said image display unit;

a quality information receiver for receiving line quality information from said line quality information transmitter;

a display method selector for selecting an appropriate image display method on said image display unit according to line quality; and

a display operation unit for operating said image display processor to modify to an appropriate display in accordance with the selected display method.

4. A mobile terminal provided with an adapter for image display according to claim 1 wherein:

said radio mobile terminal comprises;

an antenna for transmitting radiowaves to and receiving radiowaves from an antenna of said radio base station device;

a transmitting/receiving output unit for reproducing voice, data, and image information from radiowaves received at said antenna, and conversely, for generating signals from received voice, data, and images and transmitting to said radio base station device by way of said antenna;

an image information output unit for outputting image information to said adapter for image display;

a line quality monitoring unit for monitoring line quality between said radio base station device and said radio mobile terminal based on signals received at said transmitting/receiving output unit;

a display method selector for selecting an appropriate image display method on said image display unit according to line quality;

a display method designator for outputting the selected display method to said adapter for image display; and

a line quality information transmitter for outputting line quality information detected at said line quality monitoring unit to said adapter for image display; and

said adapter for image display comprises;

an image display processor for receiving image information from said image information output unit and displaying an image on said image display unit;

a quality information receiver for receiving line quality information from said line quality information transmitter;

a display method selector for selecting an appropriate image display method on said image display unit according to line quality; and

a display operation unit for receiving instructions from either of said display method selector and said display method designator and operating said image display processor to modify to an appropriate display.

5. A mobile terminal provided with an adapter for image display and that includes a mobile terminal that is connected to a base station device by a line, an adapter for image display that is connected to said mobile terminal, and an image display unit, wherein:

said adapter for image display monitors line quality between said mobile terminal and the adapter for image display, and, in accordance with information relating to manipulation of the image display content that is necessary for dealing with image degradation that can be predicted to occur due to changes in the line quality, manipulates the image display content of said image display unit to modify it to an appropriate image display.

6. A mobile terminal provided with an adapter for image display according to claim 5, wherein:

said adapter for image display comprises;

an image display processor for receiving image information from said mobile terminal and displaying an image on said image display unit;

a line quality monitoring unit that connects to the line that joins said mobile terminal and said image display processor and that monitors line quality between said mobile terminal and said image display processor based on received signals;

a display method selector for selecting an appropriate image display method on said image display unit in accordance with line quality information detected at said line quality monitoring unit; and

a display operation unit for operating said image display processor to modify to an appropriate display in accordance with the selected display method.

7. A mobile terminal provided with an adapter for image display and that includes a radio mobile terminal that is connected with a radio base station device by a radio line, an adapter for image display that is connected to the radio mobile terminal, and an image display unit;

wherein;

said radio mobile terminal monitors the quality of the line between said radio base station device and the radio mobile terminal, and communicates to said adapter for image display information relating to manipulation of the image display content that is necessary for dealing with image degradation that can be predicted to occur due to changes in the line quality; and

said adapter for image display, by means of this information, both manipulates the image display content of said image display unit to modify it to an appropriate image display, and monitors line quality between said radio mobile terminal and the adapter for image display, and, by means of information relating to operation of the image display content that is necessary for dealing with image degradation that can be predicted to occur due to changes in line quality, manipulates the image display content of said image display unit and modifies it to an appropriate image display.

8. A mobile terminal provided with an adapter for image display according to claim 7, wherein:

said radio mobile terminal comprises;

an antenna for transmitting radiowaves to and receiving radiowaves from an antenna of said radio base station device;

a transmitting/receiving output unit for reproducing voice, data, and image information from radiowaves received at said antenna, and conversely, for generating signals from received voice, data, and images and transmitting to said radio base station device by way of said antenna;

an image information output unit for outputting image information to said adapter for image display;

a line quality monitoring unit for monitoring line quality between said radio base station device and said radio mobile terminal based on signals received at said transmitting/receiving output unit;

a display method selector for selecting an appropriate image display method on said image display unit according to line quality;

a display method designator for outputting the selected display method to said adapter for image display; and

a line quality information transmitter for outputting line quality information that was detected at said line quality monitoring unit to said adapter for image display; and

said adapter for image display comprises;

an image display processor for receiving image information from said image information output unit and displaying an image on said image display unit;

a quality information receiver for receiving line quality information from said line quality information transmitter;

a line quality monitoring unit that connects to the line that joins said image information output unit and said image display processor for monitoring the line quality between said image information output unit and said image display processor based on received signals;

a display method selector for selecting an appropriate image display method on said image display unit according to either of line quality information received at said quality information receiver or line quality information that is detected at said line quality monitoring unit and a display operation unit for operating said image display processor to modify to an appropriate display according to either of the selected display method or the instructions of said display method designator.

9. A method of handling change in line quality in a mobile terminal that is provided with an adapter for image display and that includes a radio mobile terminal that is connected to a radio base station device by a radio line;

an adapter for image display that is connected to said radio mobile terminal, and an image display unit;

wherein;

said radio mobile terminal monitors line quality between said radio base station device and the radio mobile terminal, and communicates to said adapter for image display information relating to manipulation of the image display content that is necessary for dealing with image degradation that can be predicted to occur due to changes in the line quality; and

said adapter for image display, by means of this information, manipulates the image display content of said image display unit to modify it to an appropriate image display.

10. A method of handling change in line quality in a mobile terminal that is provided with an adapter for image display and that includes a mobile terminal that is connected to a base station device by a line;

an adapter for image display that is connected to the mobile terminal, and an image display unit;

wherein;

said adapter for image display monitors line quality between said mobile terminal and the adapter for image display, and by means of information relating to manipulation of the image display content that is necessary for dealing with image degradation that can be predicted to occur due to changes in the line quality, manipulates the image display content of said image display unit to modify it to an appropriate image display.