IPC Definitions - January 01, 2012

H04H - Definition fr

Definition statement

This subclass covers:

arrangements for broadcast or for distribution combined with broadcast;

arrangements specially adapted for receiving broadcast information;

arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time; broadcast-related systems.

References relevant to classification in this subclass

This subclass does not cover:

Multiplex communication

H04J

Pictorial communication aspects in broadcast systems

H04N

Informative references

Attention is drawn to the following places, which may be of interest for search:

Transmission in general

H04B

Special rules of classification

In this subclass, multi-aspect classification is applied, so that subject matter characterised by aspects covered by more than one of its groups in this subclass, which is considered to represent information of interest for search, may also be classified in each of those groups.

Glossary of terms

In this subclass, the following terms or expressions are used with the meaning indicated:

broadcast

simultaneous distribution of identical signals to plural receiving stations. The term "broadcast" does not include distribution to receiving stations which is controlled by requests or responses from the receiving stations

broadcast information

all kinds of information distributed by broadcast systems, e.g. broadcast programme

broadcast-related information

information required by services provided via broadcast systems, other than broadcast information

broadcast time

a time when particular broadcast information exists and is available

broadcast channel

a channel via which broadcast information is distributed, e.g. carrier waves, time slots, cables or wireless broadcast service areas

broadcast space

either a set of broadcast channels in which particular broadcast information exists and is available or a geographical area determined by the set of broadcast channels

broadcast space-time

space-time determined by broadcast space and broadcast time in which particular broadcast information exists and is available

broadcast system

a system which consists of transmitter, transponder and receiver for broadcast

broadcast-related system

a system which is directly affected by generation, broadcast, reception or use of broadcast information

broadcast service

a service provided by a broadcast system, i.e. distribution service of broadcast information

broadcast-related service

a service directly provided by broadcast-related systems

"A with a direct linkage to B"

"A directly affects B" or "A is directly affected by B"

Synonyms and Keywords

CATV

Community Antenna Television

EPG

Electronic Programme Guide

FPU

Field Pickup Unit

MATV

Master Antenna Television

MP3

MPEG-1 Audio Layer 3

URL

Uniform Resource Locator