US 11,388,369 B2Granted

Video device and control method for video device

AssigneeSharp NEC Display Solutions, Ltd.

InventorDaisuke Moriwaki

Life of this patent

Estimating the term…

Loading patent…

Abstract

A video device includes: a first video signal terminal to which a video signal cable for transmitting a video signal is detachably connected; a second video signal terminal which is of the same shape as that of the first video signal terminal, and to which the video signal cable is detachably connected; a detection unit which detects a predetermined state in the first video signal terminal and the second video signal terminal; a first video signal switch which connects the first video signal terminal to either an input unit or an output unit; a second video signal switch which connects the second video signal terminal to either the input unit or the output unit; and a control unit which controls a connection state of the first video signal switch and a connection state of the second video signal switch according to a detection result of the detection unit.

Claims18

Dependent claims

A video device, comprising:

a pixel conversion circuit including:
an input terminal configured to receive a video signal;
and
an output terminal configured to output the video signal;
a first video signal terminal to which a first video signal cable for transmitting a first video signal is detachably connected;
a second video signal terminal to which a second video signal cable for transmitting a second video signal is detachably connected, the second video signal cable differing from the first video signal cable, and the second video signal terminal having a same shape as a shape of the first video signal terminal;
a detection sensor configured to sense a first connection of the first video signal cable to the first video signal terminal and a second connection of the second video signal cable to the second video signal terminal;
a first video signal switch configured to connect the first video signal terminal to either the input terminal or the output terminal;
a second video signal switch configured to connect the second video signal terminal to either the input terminal or the output terminal;
and
a processor configured to, according to a sensing by the detection sensor:
control the first video signal switch to connect the first video signal terminal to one of the input terminal and the output terminal;
and
control the second video signal switch to connect the second video signal terminal to another one of the input terminal and the output terminal,
wherein the processor is further configured to, based on the detection sensor sensing the first connection before the second connection:
control the first video signal switch to connect the first video signal terminal to the input terminal;
and
control the second video signal switch to connect the second video signal terminal to the output terminal, and
wherein the processor is further configured to, based on the detection sensor sensing the second connection before the first connection:
control the second video signal switch to connect the second video signal terminal to the input terminal;
and
control the first video signal switch to connect the first video signal terminal to the output terminal.

19 more elements

A video device, comprising:

a pixel conversion circuit including:
an input terminal configured to receive a video signal;
and
an output terminal configured to output the video signal;
a first video signal terminal to which a first video signal cable for transmitting a first video signal is detachably connected;
a second video signal terminal to which a second video signal cable for transmitting a second video signal is detachably connected, the second video signal cable differing from the first video signal cable, and the second video signal terminal having a same shape as a shape of the first video signal terminal;
a detection sensor configured to sense a first connection of the first video signal cable to the first video signal terminal and a second connection of the second video signal cable to the second video signal terminal;
a first video signal switch configured to connect the first video signal terminal to either the input terminal or the output terminal;
a second video signal switch configured to connect the second video signal terminal to either the input terminal or the output terminal;
and
a processor configured to, according to a sensing by the detection sensor:
control the first video signal switch to connect the first video signal terminal to one of the input terminal and the output terminal;
and
control the second video signal switch to connect the second video signal terminal to another one of the input terminal and the output terminal,
wherein the detection sensor is configured to sense a first input of the first video signal to the first video signal terminal and a second input of the second video signal to the second video signal terminal,
wherein the processor is further configured to, based on the detection sensor sensing the first input before the second input:
control the first video signal switch to connect the first video signal terminal to the input terminal;
and
control the second video signal switch to connect the second video signal terminal to the output terminal, and
wherein the processor is further configured to, based on the detection sensor sensing the second input before the first input:
control the second video signal switch to connect the second video signal terminal to the input terminal;
and
control the first video signal switch to connect the first video signal terminal to the output terminal.

20 more elements

A control method for a video device comprising a pixel conversion circuit including an input terminal for receiving a video signal and an output terminal for outputting the video signal, the control method comprising:

sensing a first connection of a first video signal cable to a first video signal terminal of the video device and a second connection of a second video signal cable to a second video signal terminal of the video device, the second video signal cable differing from the first video signal cable, and the second video signal terminal having a same shape as a shape of the first video signal terminal;
according to the sensing, connecting the first video signal terminal to one of the input terminal and the output terminal, and connecting the second video signal terminal to another one of the input terminal and the output terminal;
based on sensing the first connection before the second connection:
connecting the first video signal terminal to the input terminal;
and
connecting the second video signal terminal to the output terminal;
and
based on sensing the second connection before the first connection:
connecting the second video signal terminal to the input terminal;
and
connecting the first video signal terminal to the output terminal.

8 more elements

sensing a first connection of a first video signal cable to a first video signal terminal of the video device and a second connection of a second video signal cable to a second video signal terminal of the video device, the second video signal cable differing from the first video signal cable;
and
based on which of the first connection and the second connection is sensed first, connecting one of the first video signal terminal and the second video signal terminal to the input terminal, and connecting an other one of the first video signal terminal and the second video signal terminal to the output terminal.

Dependencies are inferred from the claim text.

Facts

Application: 16/766,178Filed 27 Nov 2017
Published: US 2020/0366866 A119 Nov 2020
Granted: 12 Jul 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

H04N 7/104
Circuits therefor, e.g. noise reducers, equalisers, amplifiers: switchers or splitters
H04N 5/775
Interface circuits between an apparatus for recording and another apparatus: between a recording apparatus and a television receiver
H04N 21/43607
Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home: interfacing a…
H04N
Pictorial communication