US 11,900,007 B2Granted

Display apparatus

AssigneeHisense Visual Technology Co., Ltd.

InventorsHaiying Wang, Pingguang Lu, Shanliang Xu, Xianzhuo Sun, Yanli Wu

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Abstract

A display apparatus includes: a display; an input interface; and a processor in connection with the display and the input interface and configured to: upon detecting access of a first power amplifier device, output a high-level Hotplug signal at a Hotplug port of the display apparatus; monitor whether a common-mode data packet from the first power amplifier device is received within a first preset duration; in response to the common-mode data packet being received within the first preset duration, send a heartbeat packet to the first power amplifier device, and monitor whether a heartbeat response is received within a second preset duration; in response to the heartbeat response being received within the second preset duration, determine that the first power amplifier device supports e-ARC function; and in response to the heartbeat response being not received within the second preset duration, determine that the first power amplifier device supports ARC function.

Claims20

Dependent claims

A display apparatus, comprising:

a display configured to display an image from a broadcast system or Internet and/or a user interface;
an input interface configured to connect with an external device and comprising a HDMI port, wherein the external device comprises one or more types of power amplifier device;
a processor in connection with the display and the input interface and configured to:
upon detecting access of a first power amplifier device, output a high-level Hotplug signal at a Hotplug port of the display apparatus, wherein the first power amplifier device comprises:
a power amplifier device that supports e-ARC function or a power amplifier device that supports ARC function;
monitor whether a common-mode data packet from the first power amplifier device is received within a first preset duration;
in response to the common-mode data packet being received within the first preset duration, send a heartbeat packet to the first power amplifier device, and monitor whether a heartbeat response as a reply to the heartbeat packet sent from the first power amplifier device is received within a second preset duration after sending the heartbeat packet;
in response to the heartbeat response from the first power amplifier device being received within the second preset duration, determine that the first power amplifier device is a power amplifier device that supports e-ARC function;
and
in response to the heartbeat response from the first power amplifier device being not received within the second preset duration, determine that the first power amplifier device is a power amplifier device that supports ARC function.

7 more elements

A method for determining a power amplifier device in a display apparatus, comprising:

upon detecting access of a first power amplifier device to the display apparatus, outputting a high-level Hotplug signal at a Hotplug port of the display apparatus, wherein the first power amplifier device comprises:
a power amplifier device that supports e-ARC function or a power amplifier device that supports ARC function;
monitoring whether a common-mode data packet from the first power amplifier device is received within a first preset duration;
in response to the common-mode data packet being received within the first preset duration, sending a heartbeat packet to the first power amplifier device, and monitoring whether a heartbeat response as a reply to the heartbeat packet sent from the first power amplifier device is received within a second preset duration after sending the heartbeat packet;
in response to the heartbeat response from the first power amplifier device being received within the second preset duration, determining that the first power amplifier device is a power amplifier device that supports e-ARC function;
and
in response to the heartbeat response from the first power amplifier device being not received within the second preset duration, determining that the first power amplifier device is a power amplifier device that supports ARC function.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/113,913Filed 24 Feb 2023 · continuation
Priority: CN 202010862737.X25 Aug 2020
Published: US 2023/0221917 A113 Jul 2023
Granted: 13 Feb 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification16 codes

G06F 3/162
Sound input; Sound output: interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
G06F 3/165
Sound input; Sound output: management of the audio stream, e.g. setting of volume, audio stream path
H04N 21/43635
Involving a wired protocol, e.g. IEEE 1394: hdmi
H04N 21/439
Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g.…:…