ClassID:

175961

G03B23/00 - CPC Classification

Classification description:

Devices for changing pictures in viewing apparatus or projectors

Sub-classes:
Recent Application in this class:
#1
20220363394
2022-11-17

AIRCRAFT SEAT SYSTEMS

#2
20200191345
2020-06-18

USB device has separated distance away USB-unit(s) by branch-wire(s)

#3
20200003375
2020-01-02

LED light has built-in air related part(s)

#4
20190120450
2019-04-25

LED and/or laser outdoor projection light device having more than one inner and/or outer rotating optic-piece to create moving, changeable lighted image and/or pattern

#5
20190113191
2019-04-18

Microwave-sensor application for light or electric device

#6
20180299084
2018-10-18

Light-unit(s) of LED or-and laser light-string's has more one sections has different light performance(s)

#7
20180231199
2018-08-16

LED light has image and/or patterns projection

#8
20180119908
2018-05-03

AC power source LED light has moving image or-and patterns projection

#9
20170321853
2017-11-09

Wire Arrangement for Hand-Reachable USB Charger Related Devices

#10
20160097500
2016-04-07

LED night light has projection or image feature

#11
20150159843
2015-06-11

LED nightlight system having an image projection feature

#12
20150070595
2015-03-12

LED projection night light

#13
20140300874
2014-10-09

Projection apparatus and elevating mechanism thereof

#14
20120057370
2012-03-08

Interchange universal kits for LED light device

#15
20100104181
2010-04-29

Color look-up table on film

#16
20090290194
2009-11-26

Apparatus for displaying slide show function and method of controlling the same

#17
20080049199
2008-02-28

Slide projector with multiple projection sections

#18
20070207766
2007-09-06

Electronic apparatus and projector

#19
20060209272
2006-09-21

Image projection apparatus having an elevation adjustment mechanism with memory

#20
20060168661
2006-07-27

Apparatus and method to implement data management protocols using a projector

#21
20060109432
2006-05-25

System and method for calibrating position of microscope slide within storage receptacle

#22
20060006295
2006-01-12

Position adjuster for a device

#23
20050117129
2005-06-02

Image projector apparatus having an elevation adjustment mechanism and linked lens cover

#24
20050105064
2005-05-19

Projector