Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission > Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

CPC:

Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission > Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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H04B 1/3805 with built-in auxiliary receivers since 2015 +1 CPC IPC+CPC Available in IPC and CPC
H04B 1/3816 Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices since 2015 IPC+CPC Available in IPC and CPC
H04B 1/3822 specially adapted for use in vehicles (H04B1/3827 takes precedence) since 2015 IPC+CPC Available in IPC and CPC
H04B 1/3827 Portable transceivers since 2015 +2 CPC IPC+CPC Available in IPC and CPC
H04B 1/40 Circuits IPC+CPC Available in IPC and CPC
H04B 2001/3894 2nd only CPC only CPC only