H03K2217/94102 - CPC Classification Index

ClassID:

222089 ⎘

H03K2217/94102 - CPC Classification

Classification description:

Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by characterised by the way in which the control signal is generated using an optical detector characterised by the type of activation

Sub-classes:

H03K2217/94104 » using a light barrier 22
H03K2217/94106 » Passive activation of light sensor, e.g. by ambient light 35
H03K2217/94108 » making use of reflection 100

Recent Application in this class:

20210202193

2021-07-01

Optical switch keyboard adjustment method and optical switch keyboard using the same

20180083619

2018-03-22

LIGHT CONTROL TYPE KEY SWITCH ASSEMBLY