DIFF Main Group
G08B 25/00 Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
Introduced: September 1968
CPC subdivides this area 4x more granularly than IPC with 9 additional codes.
9 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
Navigate with arrow keys, Enter to open
- G08B 25/01 characterised by the transmission medium since 1990 +4 CPC IPC+CPC Available in IPC and CPC
- G08B 25/12 Manually actuated calamity alarm transmitting arrangements since 1990 IPC+CPC Available in IPC and CPC
- G08B 25/14 Central alarm receiver or annunciator arrangements since 1990 IPC+CPC Available in IPC and CPC