US 9,883,236 B2Granted

Broadcast signal receiving apparatus, broadcast signal receiving system and controlling method thereof

AssigneeSamsung Electronics Co., Ltd.

InventorWoo-Chul Kang

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Abstract

A broadcast signal receiving apparatus including a tuner configured to be tuned to a received broadcast signal of a selected channel, and to make at least a part of the received broadcast signal be looped through to an external apparatus in a normal mode. The broadcast signal receiving apparatus also includes a switch configured to make the broadcast signal be looped through to the external apparatus while in a standby mode of the tuner and a controller configured to control operations of the tuner and the switch when the tuner is converted from the normal mode to the standby mode so that power can be supplied to or cut off from the tuner after a predetermined period of time. The broadcast signal receiving apparatus improves the stability of operations and prevents a macroblock phenomenon of a broadcast signal from being looped through to the external apparatus.

Claims20

Dependent claims

A broadcast signal receiving apparatus comprising:

a tuner to:
receive a broadcast signal from a signal source corresponding to a selected channel when the broadcast signal receiving apparatus is in a normal mode, and
provide the received broadcast signal to an external apparatus,
wherein the tuner provides the received broadcast signal to the external apparatus without providing the received broadcast signal via a switch,
the tuner comprising:
a splitter to split the received broadcast signal into a first broadcast signal to be displayed on a display apparatus and a second broadcast signal to be looped through to the external apparatus;
and
a loop-through route provider to loop through the second broadcast signal split by the splitter to the external apparatus;
the switch, in response to receiving a control signal directly from a controller that is directly connected to the tuner and the switch, to be turned on or off corresponding to an operation mode of the broadcast signal receiving apparatus, the operation mode including the normal mode and a standby mode;
and
the controller to:
in response to the broadcast signal receiving apparatus entering the standby mode, turn on the switch by the control signal to route the received broadcast signal through the switch, excluding the tuner, to the external apparatus, and cut off power supplied to the tuner after elapsing of a first setting time which starts in response to entering of the standby mode, wherein the elapsing of a first setting time is determined for the switch to completely turn on in response to entering the standby mode, and
in response to elapsing of a second setting time which starts in response to the broadcast signal receiving apparatus entering in the normal mode, turn off the switch to route the received broadcast signal through the tuner, to the external apparatus.

10 more elements

A method of controlling a broadcast signal receiving apparatus for outputting a first broadcast signal to a display apparatus, the method comprising:

receiving a broadcast signal from a signal source corresponding to a selected channel;
providing the received broadcast signal through a tuner of the broadcast signal receiving apparatus, without providing the received broadcast signal via a switch, to an external apparatus different from the display apparatus when the broadcast signal receiving apparatus is in a normal mode;
and
in response to receiving a control signal directly from a controller that is directly connected to the tuner and the switch, turning on or off the switch of the broadcast signal receiving apparatus corresponding to an operation mode of the broadcast signal receiving apparatus, the operation mode including the normal mode and a standby mode,
wherein the turning on or off the switch comprises:
in response to the broadcast signal receiving apparatus entering the standby mode, turning on the switch by the control signal to route the broadcast signal through the switch, which excludes the tuner, through to the external apparatus, and cutting off power supplied to the tuner after elapsing of a first setting time which starts in response to the entering of the standby mode, wherein the elapsing of a first setting time is determined for the switch to completely turn on in response to entering the standby mode;
and
in response to elapsing of a second setting time which starts in response to the broadcast signal receiving apparatus entering the normal mode, turning off the switch to route the broadcast signal through the tuner, to the external apparatus,
wherein the providing the received broadcast signal through the tuner of the broadcast signal receiving apparatus comprises:
splitting the received broadcast signal into the first broadcast signal to be displayed on the display apparatus and a second broadcast signal to be looped through to the external apparatus;
and
looping through the split second broadcast signal to the external apparatus.

9 more elements

A system, comprising:

a broadcast signal receiving apparatus;
a main display apparatus;
and
an external apparatus;
the broadcast signal receiving apparatus comprising:
a tuner to receive a broadcast signal from a signal source corresponding to a selected channel when the broadcast signal receiving apparatus is in a normal mode and to provide the received broadcast signal to an external apparatus, wherein the tuner provides the received broadcast signal to the external apparatus without providing the received broadcast signal via a switch, the tuner comprising:
a splitter to split the received broadcast signal into a first broadcast signal to be displayed on a display apparatus and a second broadcast signal to be looped through to the external apparatus;
and
a loop-through route provider to loop the second broadcast signal split by the splitter through to the external apparatus;
a signal processor to process the broadcast signal to be displayable on the main display apparatus;
the switch, in response to receiving a control signal directly from a controller that is directly connected to the tuner and the switch, to be turned on or off corresponding to an operation mode of the broadcast signal receiving apparatus, the operation mode including the normal mode and a standby mode;
and
the controller to:
in response to the broadcast signal receiving apparatus entering the standby mode, turn on the switch by the control signal to route the broadcast signal through the switch excluding the tuner, to the external apparatus, and cut off power supplied to the tuner after elapsing of a first setting time which starts in response to the entering of the standby mode, wherein the elapsing of a first setting time is determined for the switch to completely turn on in response to entering the standby mode, and
in response to elapsing of a second setting time which starts in response to the broadcast signal receiving apparatus entering in the normal mode, turn off the switch to route the broadcast signal through the tuner, to the external apparatus,
wherein the broadcast signal processed by the signal processor is output to the main display apparatus.

13 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/918,688Filed 21 Oct 2015
Priority: KR 10-2014-01529295 Nov 2014
Published: US 2016/0127773 A15 May 2016
Granted: 30 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

H04N 21/4436
OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB: power management, e.g. shutting…
H04H 20/08
Arrangements for relaying broadcast information: among terminal devices
H04N 5/50
Receiver circuitry for the reception of television signals according to analogue transmission standards: tuning indicators; Automatic tuning control
H04N 5/63
Details of television systems: generation or supply of power specially adapted for television receivers

Family

US 2016/0127773 A1Pre-grant publication · published 5 May 2016
US 9,883,236 B2This patent

From the US filing history. Foreign family members aren’t listed.

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