US 9,813,749 B2
Method of performing time-shift function and television receiver using the same
Duck Jae Ahn, Busan (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Jul. 1, 2014, as Appl. No. 14/321,780.
Application 14/321,780 is a continuation of application No. 13/189,037, filed on Jul. 22, 2011.
Application 13/189,037 is a continuation of application No. 11/491,893, filed on Jul. 25, 2006, granted, now 8,045,841, issued on Oct. 25, 2011.
Claims priority of application No. 10-2005-0077575 (KR), filed on Aug. 24, 2005.
Prior Publication US 2014/0317675 A1, Oct. 23, 2014
Int. Cl. H04N 5/76 (2006.01); H04N 21/4147 (2011.01); G11B 27/32 (2006.01); H04N 21/4335 (2011.01); H04N 5/781 (2006.01); H04N 9/804 (2006.01); H04N 9/82 (2006.01); H04N 21/47 (2011.01)
CPC H04N 21/4147 (2013.01) [G11B 27/32 (2013.01); H04N 5/76 (2013.01); H04N 21/4335 (2013.01); H04N 5/781 (2013.01); H04N 9/8042 (2013.01); H04N 9/8205 (2013.01); H04N 9/8227 (2013.01); H04N 21/47 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A video recorder, comprising:
a first tuner;
a second tuner;
a storage device; and
a controller, wherein the controller is configured to
control the first: tuner to receive a broadcast program of a first channel as a current channel,
control the storage device to store the received broadcast program of the first channel without a user input to record the received broadcast program of the first channel,
in response to a first command to change the current channel from the first channel to a second channel, control the second tuner to receive a broadcast, program of the second channel and control the first tuner to continuously receive the broadcast program of the first channel,
control the storing device to store the received broadcast program of the second channel without a user input to record the received broadcast program of the second channel while continuously storing the broadcast program of the first channel, and
continue storing the broadcast program of the first channel in the storage device and supplying power to the video recorder's element; that are necessary to perform time-shift function while stopping supply of power to a major portion of the video recorder even when the video recorder is turned off during storage of the broadcast program of the first channel, wherein necessary elements include the first tuner, a PVR, and a video/audio switch.