IPC Subgroup
H04L 17/12 Automatic transmitters, e.g. controlled by perforated tape
Introduced: September 1968
Last revised: January 2006
Full Title
Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code > Apparatus or circuits at the transmitting end > Automatic transmitters, e.g. controlled by perforated tape
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1 direct subcode
Child Classifications
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- H04L 17/14 with optical sensing means