CODING

**Definition:** This place covers:

The scope of the subclass H03M is so broad that a detailed description of the subject matter appropriate for this place is correctly possible only at the main-group level, e.g. H03M7/00 .

Provisions that are valid at a general level (e.g. of a kind appropriate to more than one of the main groups) are provided in the sections that follow.

The user is otherwise referred to the IPC definitions for the individual main groups of H03M which follow hereinafter. The following list is intended to assist the user.

Coding and decoding

Conversion

Others

**Limiting references (this place does not cover):** - Using fluidic means -> F15C4/00 - Coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses -> G01D , G01R , G06F , G06T , G09G , G10L , G11B , G11C , H04B , H04L , H04M , H04N - Optical analogue/digital converters -> G02F7/00 - Ciphering or deciphering for cryptography or other purposes involving the need for secrecy -> G09C