Apparatus for receiving wide/standard picture plane television signal

A wide picture plane/standard picture plane television signal receiving apparatus capable of receiving a standard system television signal (A) and a wide screen television signal (B) having a wide picture plane aspect ratio and capable of selectively displaying a television picture according to either one of the television signals (A) and (B) on a displaying means having a wide aspect ratio, said apparatus comprising:

• a television signal format converting means for converting said wide screen television signal (B) into a converted standard system television signal (C) having a standard television signal format with a wide picture plane aspect ratio;
• a wide aspect discriminating signal application means for multiplexing said converted standard system television signal (C) with a discriminating signal indicating a wide picture plane aspect ratio to generate a standard system wide aspect television signal (D);
• an output terminal for outputting said standard system wide aspect television signal (D) in which is multiplexed said wide aspect discriminating signal;
• wherein said wide screen television signal (B) is a high definition television signal;
• a first signal processing means including at least an aspect ratio converting section for converting an aspect ratio of an inputted standard system television signal (A);
• a second signal processing means for processing an input high definition television signal to thereby output a processed television signal;
• a high definition television signal detection means for detecting an input high definition television signal;
• and
• a signal selection means for selecting one of the respective output signals of said first signal processing means and said second signal processing means on the basis of a detection output of said high definition television signal detection means to thereby supply the selected output signal to a wide aspect display.

A wide picture plane/standard picture plane television signal receiving apparatus capable of receiving a standard system television signal (A) and a wide screen television signal (B) having a wide picture plane aspect ratio and capable of selectively displaying a television picture according to either one of the television signals (A) and (B) on a displaying means having a wide aspect ratio, said apparatus comprising:

• a television signal-format converting means for converting said wide screen television signal (B) into a converted standard system television signal (C) having a standard television signal format with a wide picture plane aspect ratio;
• a wide aspect discriminating signal application means for multiplexing said converted standard system television signal (C) with a discriminating signal indicating a wide picture plane aspect ratio to generate a standard system wide aspect television signal (D);
• an output terminal for outputting said standard system wide aspect television signal (D) in which is multiplexed said wide aspect discriminating signal;
• wherein said wide screen television signal (B) is a EDTV signal;
• a first signal processing means for performing at least scanning line interpolation processing onto an input standard system television signal to thereby output a double scanning speed television signal;
• an aspect ratio conversion means for converting a display aspect ratio of said double scanning speed television signal supplied from said first signal processing means to thereby output said double scanning speed television signal with a converted display aspect;
• a second signal processing means for performing processing on an input EDTV television signal to thereby output a double scanning speed television signal with a wide aspect ratio;
• an EDTV signal detection means for producing a detection output when processing on the EDTV television signal is being performed in said second signal processing means;
• and
• a signal selection means for selecting one of the respective output signals from said aspect ratio conversion means and said second signal processing means on the basis of the detection output of said EDTV signal detection means to thereby output the selected output signal to said displaying means.

A wide picture plane/standard picture plane television signal receiving apparatus capable of receiving a standard system television signal (A) and a wide screen television signal (B) having a wide picture plane aspect ratio and capable of selectively displaying a television picture according to either one of the television signals (A) and (B) on a displaying means having a wide aspect ratio, said apparatus comprising:

• a television signal format converting means for converting said wide screen television signal (B) into a converted standard system television signal (C) having a standard television signal format with a wide picture plane aspect ratio;
• a wide aspect discriminating signal application means for multiplexing said converted standard system television signal (C) with a discriminating signal indicating a wide picture plane aspect ratio to generate a standard system wide aspect television signal (D);
• an output terminal for outputting said standard system wide aspect television signal (D) in which is multiplexed said wide aspect discriminating signal;
• a first signal processing means including at least an aspect ratio converting means for converting an aspect ratio of an input standard television signal;
• a television signal input terminal for inputting a television signal to said first signal processing means;
• a wide aspect discrimination signal detecting means for discriminating said wide aspect discriminating signal multiplexed with said television signal inputted from said television signal input terminal to detect whether said standard system television signal is a signal having a standard picture plane aspect ratio of 4:3 or a signal having a wide aspect ratio;
• and
• an aspect ratio switching means for stopping the conversion operation of said aspect ratio converting means when said wide aspect discrimination signal detecting means detects inputting said standard system wide aspect television signal (D).

A wide picture plane/standard picture plane television signal receiving apparatus capable of receiving a standard system television signal (A) and a wide screen television signal (B) having a wide picture plane aspect ratio and capable of selectively displaying a television picture according to either one of the television signals (A) and (B) on a displaying means having a wide aspect ratio, said apparatus comprising:

• a television signal format converting means for converting said wide screen television signal (B) into a converted standard system television signal (C) having a standard television signal format with a wide picture plane aspect ratio;
• a wide aspect discriminating signal application means for multiplexing said converted standard system television signal (C) with a discriminating signal indicating a wide picture plane aspect ratio to generate a standard system wide aspect television signal (D);
• an output terminal for outputting said standard system wide aspect television signal (D) in which is multiplexed said wide aspect discriminating signal;
• a first signal processing means including at least an aspect ratio converting means for converting an aspect ratio of an input standard television signal;
• a television signal input terminal for inputting a television signal to said first signal processing means;
• a wide aspect discrimination signal detecting means for discriminating said wide aspect discriminating signal multiplexed with said television signal inputted from said television signal input terminal to detect whether said standard system television signal (A) is a signal having a standard picture plane aspect ratio of 4:3 or a signal having a wide aspect ratio;
• and
• an aspect ratio switching means for stopping the conversion operation of said aspect ratio converting means when said wide aspect discrimination signal detecting means detects inputting said standard system wide aspect television signal (D).

A wide picture plane/standard picture plane television signal receiving apparatus capable of selectively receiving a standard system television signal (A) and a standard system wide aspect television signal (D) having a picture plane of wide aspect ratio being squeezed and multiplexed with a wide aspect discriminating signal by inserting said wide aspect discriminating signal into the vertical blanking period of said standard system wide aspect television signal (D), said apparatus comprising:

• a television signal input terminal for inputting said standard system television signal (A) and said standard system wide aspect television signal (D);
• a wide aspect discrimination signal detecting means for discriminating said wide aspect discriminating signal multiplexed with said television signal inputted from said television signal input terminal to detect whether the input signal is said standard system television signal (A) or said standard system wide aspect television signal (D);
• an aspect ratio conversion means of which aspect ratio conversion is controlled in accordance with an output of said wide aspect discrimination signal detecting means;
• and
• a wide display having displaying surface of wide picture plane aspect ratio.