IPC Subgroup
H03K 17/968 using opto-electronic devices
Introduced: January 1985
Last revised: January 2006
Full Title
Electronic switching or gating, i.e. not by contact-making and -breaking > characterised by the way in which the control signals are generated > Switches controlled by moving an element forming part of the switch > using opto-electronic devices
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- PULSE TECHNIQUE
1 direct subcode
Child Classifications
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- H03K 17/969 having a plurality of control members, e.g. keyboard