Motorola VL-RISC MCF5202 Manual de usuario descargar pdf (Pagina 14)

US

2006/0053436

A1

(not

shown),

television

230,

smart

card

236,

VCR

(not

shown),

or other

devices.

In

a

preferred

embodiment,

home

entertainment

system

102

minimally

contains,

but

is

not

limited

to,

a

television

230

and

smart

card 236.

Television

230

may

serve

many

purposes,

including,

but

not

limited

to,

displaying

television

programming,

displaying

the

EPG,

displaying timer

con?icts,

and

displaying

other

types

of

data,

graphics

and

programming.

Peripheral

devices

may

receive

and/or

send

signals

from

the

satellite

set-top-box

200.

For

instance,

the

television

230

may

receive

video

and

audio

signals

and

a

stereo

may

receive

only audio

signals.

A

camcorder

(not

shoWn),

on

the

other

hand,

may

send

video

or

audio

signals

to

the

satellite

set-top-box

100

or

receive

audio

and

video

signals

from

the

set-top-box

to

record.

As

another

example,

peripheral

interface

224

may

include

a

processor

or

other

electronic

components

to

permit

an

interface

to

content

security

devices

such

as

an

external

“smart

card.”

In

this

example,

peripheral

interface

224

may

then

encrypt

or

decrypt

content

for

output

to

other

peripheral

devices.

Thus,

peripheral

interface

224

may

perform one

or

more

functions

for

multiple

peripheral

devices,

including,

but

not

limited

to,

the

synchronous

or

asynchronous

transfer

of

data

betWeen

different

peripheral

devices

(e.g.,

decrypting

content

using

a

smart

card

peripheral

device

and

outputting

decrypted

content

to

a

television

at

the

same

time).

One

skilled

in

the

art

Will

recogniZe

that

the

peripheral

devices

may

include

many

types

of

commercially

available

elec

tronic

devices.

[0040]

The

home

entertainment

system

102

may

also

include

a

remote

control

126,

234

peripheral

device,

also

sometimes

referred

to

as

a

remote.

The

remote

control

234

may

be

used

to

send

commands

to

the

satellite

set-top-box

200.

The

remote

control

234

may

send

commands

via

a

Wireless

connection

using,

for

example,

infrared or

UHF

transmitters

Within

the

remote

control

234.

One

example

of

an

embodiment

of

a

remote

controller

234

is

the

EchoStar

Technologies

Corporation

721

Platinum

Plus

Remote,

Part

Number

121150,

that

includes

an

IR

transmitter

and

an

ultra

high

frequency

(UHF)

transmitter.

The

remote

control

234

may

be

able

to

send

signals

to

other

peripheral

electronic

devices

that

form

part

of

the

home

entertainment

system

102,

including,

but

not

limited

to,

a

television,

stereo,

VCR,

or

DVD

player.

The

set-top-box

200

may

also

be

able

to

send

signals

to

the

remote

control

234,

including,

but

not

limited

to,

signals

to

con?gure

the

remote

control

234

to

operate

other

peripheral

devices

in

home

entertainment

system

102.

In

some

embodiments,

the

remote

control

234

has

a

set

of

Light

Emitting

Diodes

(LEDs).

Some

remote

controls

may

include

Liquid

Crystal

Displays

(LCDs)

or

other

screens.

The

remote

control

may

include

buttons,

dials,

or

other

man-machine

interfaces.

While

the

remote

control

234

may

often

be

the

common

means

for a

subscriber

to

communicate

With

the

satellite

set-top-box

200,

one

skilled

in

the

art

Will

recogniZe

that

other

means

of

communicating

With

the

set-top-box

200

are

available,

including,

but

not

limited

to

attached

keyboards,

front

panel

buttons

or

touch

screens.

[0041]

The

satellite

set-top-box

200

may

also

include

a

remote

control

interface

(not

shoWn).

A

remote

control

interface

may

include

any

means

for the

user

to

communi

cate

to

the

satellite

set-top-box

200,

and

may

be

imple

mented

using

the

peripheral

interface

224

of

control

elec

tronics

unit

202

or

by

connecting

a

peripheral

remote

control

interface

device.

In

a

preferred

embodiment,

a

remote

con

Mar.

9,

2006

trol

interface

may

receive

commands

from

one

or

more

different

remote

controls

234.

Remote

control

234

may

use

infrared,

UHF,

or other

communications

technology.

The

remote

control

interface

may

therefore

translate

an

input

from

the

user

into a

format

understandable

by

the

control

electronics

unit

202.

The

translation

systems

may

include,

but

are

not

limited

to,

electronic

receivers

and

electronic

relays.

One

skilled

in

the

art

Will

recogniZe

that

other

means

to

receive

and

translate

user

inputs

are

possible.

[0042]

Another

peripheral

device

and

connection

to

the

satellite

set-top-box

200

may

include

a

phone

line

(not

shoWn)

and

modem

(not

shoWn).

Set-top-box

200

may

use

a

modem

and

phone

line

to

communicate

With

one

or

more

outside

entities

or

systems

(e.g.,

satellite

television

distribu

tor

104).

The

phone

line

may

carry

local

or

long-distance

telephone

service.

One

skilled

in

the

art

Will

recogniZe

that

the

phone

line

may

also

carry other

services,

including,

but

not

limited

to,

DSL

service.

These

communications

may

include

requesting

pay-per-vieW

programming,

obtaining

updates

to

subscriber

programming

(e.g.,

updating

EPG

data),

or

receiving

updates

to

softWare

on

the

satellite

set-top-box

200.

For

example,

the

phone

line

may

commu

nicate

With

the

satellite

set-top-box

200

using an

R]

-11

style

telephone

connection.

One

skilled

in

the

art

Will

recogniZe

that

there

are

many

other

uses

for

this

phone

line

connection.

For

example,

EPG

data

may

be

transmitted

to

set-top-box

200

via

phone

line

or

in

the

satellite

signal

204.

One

skilled

in

the

art

Will

recogniZe

that

the

EPG

data

may

be

trans

mitted

to

set-top-box

200

by

various

other

methods,

systems

and

outside

entities.

Also,

one

skilled

in

the

art

Will

recog

niZe

that

a

phone

line

connection

to

satellite

distributor

104

may

represent

other

communication

connections,

including,

but

not

limited

to,

Wireless,

Internet,

or

microWave

commu

nications

connections.

Another

function

of

the

phone

line

may

be

to

periodically

receive

the

EPG

data.

[0043]

The

peripheral

interface

224

of

satellite

set-top-box

200,

in

accordance With

the

present

invention,

includes

a

Wireless

phone

interface

238.

One

skilled

in

the

art

Will

recogniZe

that

the

Wireless

phone

interface

238

may

be

embodied

in

hardWare

or softWare.

One

skilled

in

the

art

Will

also

recogniZe

that

the

Wireless

phone

interface

238

may

be

integrated

With

another

component

or

components

of

the

satellite

set-top-box

200.

In

this

embodiment,

the

satellite

set-top-box

200

includes

a

Wireless

phone

interface

238

to

communicate

With

a

Wireless

phone

device

240

that

is

externally

connected

to

satellite

set-top-box

200.

In

other

embodiments,

the

Wireless

phone

interface

238

may

include

connections

to

one

or

more

Wireless

phone

devices

240

that

are

integrated

Within

television

converter

device

200.

The

Wireless

phone

interface

238

may

transmit

signals

in

DiS

eqC

protocol

to

the

Wireless

phone

device

240.

One

skilled

in

the

art

Will

recogniZe

that

other

protocols

are

possible

for

device

communication

With

a

Wireless

phone

device

240.

The

Wireless

phone

device

240

may

need

to

translate

the

DiSeqC

protocol

messages

into a

Wireless

transmission

protocol.

Wireless

transmission

protocols

may

include,

but

are

not

limited

to,

Advanced

Mobile

Phone

System

(AMPS),

Advanced

Radio

Data

Information

Service

(ARDIS),

Code

Division

Multiple

Access

(CDMA),

Cellular

Digital

Packet

Data

(CDPD),

Digital

Advanced

Mobile

Phone

System

(D-AMPS),

Frequency

Division

Multiple

Access

(FDMA),

Global

System

for

Mobile

Communications

(GSM),

Mobi

tex,

Personal

Communications

Services

(PCS),

RAM

Mobile

Data,

ReFLEX,

Short

Message

Service

(SMS),

or

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