Method of storing and editing data in a television system and apparatus therefor

• US 5,181,113 A
• Filed: 05/10/1991
• Issued: 01/19/1993
• Est. Priority Date: 05/10/1990
• Status: Expired due to Term

• Current Assignee: Goldstar Jewellery LLC
• Original Assignee: Goldstar Jewellery LLC
• Inventors: Chang, Dong H.
• Primary Examiner(s): Peng, John K.
• Assistant Examiner(s): Burgess, Glenton B.
• Application Number:
  US07/698,202
• Time in Patent Office: 620 Days
• Field of Search: 358/142, 358/147, 358/188, 358/146, 358/183, 340/728, 340/750, 395/141
• US Class Current: 348/468
• CPC Class Codes: H04N 21/47 End-user applications
• CPC Class Codes: H04N 21/478 Supplemental services, e.g. displaying phone caller identification, shopping application
• CPC Class Codes: H04N 21/4888 for displaying teletext characters
• CPC Class Codes: H04N 7/0882 for the transmission of character code signals, e.g. for teletext circuits for the digital non-picture data signal H04N7/035
• CPC Class Codes: H04N 7/0884 for the transmission of additional display-information, e.g. menu for programme or channel selection
• CPC Class Codes: H04N 9/8238 for teletext

Abstract

A TV system with the functions of Teletext comprising a TV set and a teletext receiving process section, which performs the editing and storing of data received through an antenna in order of determining whether a key interrupt indicates TV mode, teletext mode or memo data mode, so that if the TV mode or the teletext mode is indicated, the associated function is performed according to a given process, performing the corresponding program stored at a memory if the first step indicates the data edit and storing mode, performing each of the programs for storing, fetching and editing the memo data, performing the program for storing the memo data, indicating cursor and switching character mode if the third step indicates the first switching of the TV mode or the teletext mode to the memo data mode, switching the TV set into the TV mode by detecting a memo fetching key if the memo data edited and stored by the user in the third step is indicated on the TV screen, and storing memo identifications and memo data at the memory if the third step indicates memo storing mode.

Claims

1. A television receiving system having teletext function adaptable for storing, editing and displaying memo data provided thereto, comprising:

tuner means for receiving broadcast signals, said broadcast signal including a television video signal and teletext data;

means, coupled to said tuner means, for separating said teletext data from said broadcast signal;

data input means, detachable from the rest of the television receiving system, for providing a plurality of key signals each representing selected at least one of operating modes including television, teletext and memo data modes, selected at least one of functions to be performed and memo data;

first processor means, coupled to said data input means and said tuner means, for receiving said key signals and generating various control signals in response thereto;

teletext processor means, coupled to said first processor means and said separating means, including means for generating a key interrupt signal associated with said selected operating mode and function, and means for generating a teletext video information signal in response to said teletext data and a memo data video information signals in response to said key signal representing the memo data;

second processor means, coupled to said teletext processor means, for generating a command signal corresponding to said selected operating mode and function in response to said key interrupt signal;

third processor means, coupled to said teletext processor means and said second processor means, for storing and editing said memo data video information signal in response to said command signal;

first means, coupled to said teletext processor means and said third processor means, for selectively providing said teletext video information signal and said memo data video information signal in response to said command signal;

second means, coupled to said first selectively providing means and said tuner means, for selectively providing said television video signal and selectively provided video information signal from said first selectively providing means; and

means, coupled to said second selectively providing means, for displaying video images corresponding to selectively provided signal from said second selectively providing means.

2. The television receiving system of claim 1, further comprising means, coupled to said teletext processor means, for storing said teletext video information signal.

3. The television receiving system of claim 1, wherein said third processor means includes means for storing said memo video information signal.

4. The television receiving system of claim 1, wherein said first processor means includes means for generating on screen data in response to said key signals,

further comprising means, coupled to said first processor means and said first selectively providing means, for combining said on screen data with said first selectively provided video information signal from said first selectively providing means,

wherein said second selectively providing means selectively provides said television video signal and combined video information signal.

5. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing key interrupt signals representing said operating modes and functions;

determining a specified operating mode and function to be performed from said key interrupt signal;

executing a program in said memory for storing, fetching and editing the memo data if the key interrupt signal indicates a memo data editing and storing function to be performed;

executing a program in the memory for storing the memo data, displaying a cursor on the television screen and switching character mode, if the key interrupt signal indicates switching of the television or teletext mode of the receiving system to the memo data mode;

detecting a memo fetching key to set the television receiving system to the television mode if the memo data stored and edited above is displayed on said television screen; and

storing memo identification data and the memo data in said memory if said key interrupt signal indicates a memo data storing function to be performed.

11. The method of claim 5, wherein the step of determining a specified operating mode and function includes the substeps of

setting the receiving system to a "φ

" mode state to perform various television functions; and

setting the system to a key interrupt waiting state if said key interrupt signal indicates the television mode.

12. The method of claim 5, wherein the step of determining a specified operating mode and function includes the substeps of:

setting the receiving system to a "1" mode state to perform various teletext functions; and

setting the system to a key interrupt waiting state if said key interrupt signal indicates the teletext mode.

13. The method of claim 5, wherein the step of determining a specified operating mode and function includes the substeps of:

setting the receiving system to a "2" mode state to perform various memo data functions; and

setting the system to a key interrupt waiting state if said key interrupt signal indicates the memo data mode.

6. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing key interrupt signals representing said operating modes and functions;

determining a specified operating mode and function to be performed from said key interrupt signal;

executing a program in said memory for performing a specified television function if said key interrupt signal indicates such a function;

executing a program in said memory for performing a specified teletext function if said key interrupt signal indicates such a function;

executing a program in said memory for storing, fetching and editing the memo data if the key interrupt signal indicates a memo data editing and storing function to be performed;

executing a program in the memory for storing the memo data, displaying a cursor on the television screen and switching character mode, if the key interrupt signal indicates switching of the television or teletext mode of the receiving system to the memo mode;

detecting a memo fetching key to set the television receiving system to the television mode if the memo data stored and edited above is displayed on said television screen; and

storing memo identification data and the memo data in the memory if said key interrupt signal indicates a memo data storing function to be performed.

7. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing key interrupt signals representing said operating modes and functions;

determining a specified operating mode and function to be performed from said key interrupt signal;

executing a program in said memory for storing the memo data if said key signal indicates a memo data storing, fetching or editing function to be performed;

executing a program in said memory for fetching the memo data if said key interrupt signal indicates the memo data fetching function to be performed;

executing a program in said memory for editing the memo data if said key interrupt signal indicates the memo data editing function to be performed;

executing a program in the memory for storing the memo data, displaying a cursor on the television screen and switching character mode, if the key interrupt signal indicates switching of the television or teletext mode of the receiving system to the memo mode;

detecting a memo fetching key to set the television receiving system to the television mode if the memo data stored and edited above is displayed on said television screen; and

storing a memo identification and the memo data in the memory if said key interrupt signal indicates a memo data storing function to be performed.

14. The method of claim 7, wherein the step of executing a program for fetching the memo data includes the substeps of:

reading the memo data from said memory;

setting a memo display flag of the memory to "1";

executing a memo screen display routine in the memory;

setting a memo mode state flag of the memory to "2"; and

returning to a memo data display routine.

15. The method of claim 7, wherein the step of executing a program for editing the memo data includes the substeps of:

reading the memo data from said memory;

setting a memo displaying flag of the memory to "1";

executing a memo screen display routine in the memory;

setting a memo mode state flag of the memory to "1"; and

returning to a memo data display routine.

16. The method of claim 7, wherein the step of determining a specified operating mode and function includes the substeps of;

setting a memo display flag of the memory to "2";

setting a memo mode state flag of the memory to "3"; and

returning to a memo data display, routine.

27. The method of claim 14 or 15, wherein said memo data display routine includes routines associated with a pertinent program module fetching, and memo data screen display and character display on the television screen.

28. The method of claim 27, wherein said routine associated with character display on the television screen includes the subroutines for comparing row and column counted values indicating character display positions on the television screen;

and determining a character mode.

29. The method of claim 27, wherein said routine associated with module fetching includes the subroutines for determining addresses in the memory to store data associated with a background display for the memo data on the television screen, storing said addresses in a buffer memory, reading said addresses from said buffer memory;

finding a jump address;

fetching said module; and

executing a teletext figure and character display routine to display corresponding memo data.

30. The method of claim 28, wherein said subroutine for determining a character mode includes the subsubroutines for:

switching a current character mode into another character mode if a first code parameter in the memory indicates a number code;

setting a character completion parameter in the memory to a "1" state;

executing a character display routine for displaying the number code;

determining whether the first code parameter indicates a English or German character if it indicates no number code;

setting the receiving system to an English character mode if the first code parameter indicates a English character code;

setting the character completion parameter to a "2" state;

executing the character display routine for displaying the English character code;

returning to the character display routine, or setting the receiving system to a German mode if said first code parameter indicates a German character code;

setting the character completion parameter to a "3" state; and

executing the character display routine for displaying the German character code.

8. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing key interrupt signals representing said operating modes and functions;

determining a specified operating mode and function to be performed from said key interrupt signal;

executing a program in said memory for storing the memo data if said key interrupt signal indicates a memo data storing function;

executing a program in said memory for displaying a cursor on the television screen if said key interrupt signal indicates a cursor indicating function;

executing a program in said memory for switching character mode if said key interrupt signal indicate a switching character mode function;

detecting a memo fetching key to set the television receiving system to the television mode if the memo data stored and edited above is displayed on said television screen; and

storing memo identification data and the memo data in the memory if said key interrupt signal indicates a memo data storing function to be performed.

17. The method of claim 8, wherein the step of executing a program for displaying a cursor includes the substeps of:

executing a cursor display routine in the memory;

setting a memo mode state of the memory to "1"; and

returning to a cursor display routine.

18. The method of claim 8, wherein the step of executing a

switching a German mode to an English mode and vice versa if said key interrupt signal indicates such switching;

executing a character data input and display routine in the memory if said key interrupt signal indicates no such switching;

setting a memo mode state of the memory to "1"; and

returning to a character display routine.

36. The method of claim 17, wherein said cursor display routine includes the subroutines for processing a cursor up key, a cursor down key, a cursor left key, and a cursor right key during a key interrupt disable state.

37. The method of claim 36, wherein said subroutine for processing a cursor up key includes the subsubroutines for:

displaying a character font if a present column counted value is equal to an initially set value;

returning to the cursor display routine or decreasing the present column counted value by unity if the present column counted value is not equal to the initially set value;

executing a character display routine for the character font; and

returning to the cursor display routine.

38. The method of claim 36, wherein said subroutine for processing a cursor down key includes the subsubroutines for:

displaying a character font if a column counted value is equal to a maximum column counted value;

returning to the cursor display routine, or increasing the present column counted value by unity if the present column counted value is not equal to the maximum column counted value;

executing a displaying routine for the character font; and

returning to the cursor display routine.

39. The method of claim 36, wherein said subroutine for processing a cursor left key includes the subsubroutines for:

displaying a character font if a row counted value is equal to an initially set value;

returning to the cursor display routine or decreasing the present row counted value by unity if the row counted value is not equal to the initially set value;

executing a display routine for the character font; and

returning to the cursor display routine.

40. The method of claim 36, wherein said subroutine for processing a cursor right key includes the subsubroutines for:

displaying a character font if a row counted value is equal to a maximum row counted value;

returning to the cursor display routine or increasing the present row counted value by unity if the row counted value is not equal to the maximum row counted value;

executing a character display routine for the character font; and

returning to the cursor display routine.

9. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

program for switching character mode includes the substeps of;

providing key interrupt signals representing said operating modes and functions;

determining a specified operating mode and function to be performed from said key interrupt signal;

executing a program in said memory for storing, fetching and editing the memo data if the key interrupt signal indicates a memo data edit and storing function to be performed;

executing a program in the memory for storing the memo data, displaying a cursor on the television screen and switching character mode, if the key interrupt signal indicates switching of the television or teletext mode of the receiving system to the memo data mode;

setting the television receiving system to the television mode if said key interrupt signal indicates a memo data fetching function;

executing a program in said memory for memo identification, if say key interrupt signal indicates no memo data fetching function; and

detecting a memo fetching key to set the television receiving system to the television mode if the memo data stored and edited above is displayed on said television screen; and

storing memo identification data and the memo data in the memory if said key interrupt signal indicates a memo data storing function to be performed.

19. The method of claim 9, wherein the step of setting the receiving system to the television mode includes the substeps of setting parameters relating to such mode setting in said memory to an inactive state and returning to a memo data display routine.

10. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing key interrupt signals representing said operating modes and functions;

determining a specified operating mode and function to be performed from said key interrupt signal;

executing a program in said memory for storing, fetching and editing the memo data if the key interrupt signal indicates a memo data edit and storing function to be performed;

executing a program in the memory for storing the memo data, displaying a cursor on the television screen and switching character mode, if the key interrupt signal indicates switching of the television or teletext mode of the receiving system to the memo data mode;

detecting a memo fetching key to set the television receiving system to the television mode if the memo data stored and edited above is displayed on said television screen; and

setting the receiving system to the television mode if said key interrupt signal indicates a memo data storing function; and

determining whether said key interrupt signal indicates a cursor down function if said key interrupt signal indicates no memo data storing function.

20. The method of claim 10, wherein the step of setting the receiving system to the television mode includes the substeps of setting parameters relating to such mode setting in said memory to an inactive state and returning to memo display routine.

21. The method of claim 10, wherein the step of determining whether said key interrupt signal indicates a cursor down includes the substeps of:

setting a memo identification mode of the memory of the memory to "φ

" if said key interrupt signal indicates memo identification and "1" if it indicates no such memo identification;

setting a memo mode state of the memory to "3"; and

returning to a memo data display mode.

22. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing key interrupt signals representing said operating modes and functions;

determining whether said key interrupt signal indicates character completion or numbers; and

executing a program in the memory for generating characters if said key interrupt signal indicates a character key.

24. The method of claim 22 or 23, wherein the step of determining whether said key interrupt signal indicates character completion or numbers includes the substeps of:

setting a first code parameter in the memory to a "φ

" state if said key interrupt signal does not indicate the character completion or numbers or storing of a number key signal,

setting a character completion parameter in the memory to a "1" state, and setting a key input state parameter to a "φ

" state, if said key interrupt signal indicates a number key,

executing a character display routine; and

returning the receiving system to a "φ

" mode state.

31. The method of claim 24, wherein said character display routine includes the subroutines for:

displaying numbers on the television screen;

displaying characters on the television screen; and

clearing all characters from the television screen.

32. The method of claim 31, wherein said subroutine for displaying numbers includes the subroutines for detecting whether the present character completion parameter is set to the "1" state;

executing a display routine for each character font; and

returning to the character display routine.

33. The method of claim 31, wherein said subroutine for displaying characters on the television screen includes the subsubroutines for storing in the memory the font of each English character if the present character completion parameter in the memory is set to the "2" state;

executing the character display routine for each character font; and

returning to the character display routine.

34. The method of claim 31, wherein the subroutine for displaying characters on the television screen includes the subsubroutines for storing in the memory the font of each German character code if the present character completion parameter is not set to the "φ

" state; and

executing the character display routine for each character font; and

returning to the character display routine.

35. The method of claim 31, wherein the subsubroutine for clearing all characters from the television screen includes the routines for:

detecting whether a erasing flag of the system is set to a "1" state if the character completion parameter is set to the "φ

" state;

obtaining an X coordinate if the erasing flag is set to the "1" state and the first code parameter is set to a "null " state;

loading an address of the font to be displayed in the memory;

setting the erasing flag to the "φ

" state;

obtaining an Y coordinate executing a display routine for each character font;

loading the address of the font if said first code parameter is not set to the null state;

obtaining an Y coordinate if the erasing flag is not set to the "1" state and executing the display routine for each character font; and

returning to the beginning of the character display routine.

23. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing key interrupt signals representing said operating modes and functions;

determining a specified operating mode and function to be performed from said key interrupt signal;

determining whether said key interrupt signal indicates character completion or numbers; and

executing a program in the memory for displaying English characters if said key interrupt signal indicates an English character key; and

executing a program in the memory for displaying German characters if said key interrupt signal indicates a German character key.

26. The method of claim 23, wherein the step of executing a program in the memory for displaying German characters includes the substeps of:

setting a first code parameter in the memory to a "φ

" state, a character completion parameter to a "2" state for displaying German characters and special characters on the television screen and a key input state parameter in the memory to a "φ

" state for processing a next key signal in a key input state "φ

" routine;

executing a character display routine; and

returning the system to a "φ

" mode state.

25. The method of claim 25, wherein the step of executing a program for displaying English characters includes the substeps of:

setting a first code parameter in the memory to a "φ

" state and a character completion parameter to a "2" state for displaying English characters and special characters on the television screen, and a key input state parameter in the memory to a "φ

" state for processing a next key signal in a key input state "φ

" routine, if said key interrupt signal indicates no character key or storing of an English character or special character;

executing a character display routine in the memory;

returning the receiving system to a "φ

" mode state.

41. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having a television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

establishing X and Y coordinates corresponding to a position of a character displayed on the television screen;

storing character font data corresponding to said character displayed in a first register;

shifting the content of the first register to detect the carry value;

storing the carry value of a second register at a XCDP register, a YCDP register and a DRAM register;

converting the carry value of the second register representing display and background colors to analog chrominance signals of red, green and blue;

detecting an X counted value;

detecting an Y counted value; and

determining whether or not the Y counted value is a predetermined value.

42. The method of claim 41, wherein the step of establishing X and Y coordinates includes the substeps of:

assigning a present row counted value to the X coordinate and a present column counted value to the Y coordinate; and

storing a predetermined value in X and Y counters constituting a loop counter.

43. The method of claim 41, wherein the step of detecting the carry value includes the substeps of:

shifting the content of the first register toward left by one bit;

storing the background color at the upper 4 bits of the second register B if the carry value of the one bit shifted content of the second register is φ

;

storing the display color at the lower 4 bits of the second register if the carry value of the one bit shifted content of the second register is 1;

shifting the content of the first register toward left by one bit;

storing the background color at the upper 4 bits of the second register if the carry value of the one bit left shifted content of the first register is φ

; and

storing the displaying color at the lower 4 bits of the second register if the carry value of the one bit left shifted content of the first register is 1.

44. The method of claim 41, wherein the step of converting the carry value includes the substeps of:

storing the carry value of the displaying and background colors at addresses of a memory specified by the XCDP and YCDP registers;

converting said stored value to analog signals; and

increasing the X coordinate by two bits when displaying of 2 dots in the X-coordinate on the television screen is completed.

45. The method of claim 41, wherein the step of determining whether the Y counted value is a predetermined value includes the substeps of:

decreasing the counted value of the X and Y coordinates by 16 and 1, respectively, if said decreased counted value of the Y coordinate is not φ

; and

storing two bytes of said character font data in said first register.

46. A method of storing and editing memo data in a television receiving system having teletext function, said receiving system being capable of performing various television, teletext and memo data functions and operable in television, teletext and memo data modes, said system having television screen for displaying video images and a memory for storing various programs for enabling said various functions to be performed, comprising the steps of:

providing the memo data and information representing specific functions to be performed from a controller detachable from the rest of the television receiving system;

storing, fetching and editing memo data to display the memo data on the TV screen;

forming characters associated with the memo data on the television screen;

clearing said characters from the screen;

providing a position of a cursor up, cursor down, cursor left and cursor right;

switching between different language modes; and

forming character fonts.