ReturnTo Theme-Group-Choice | Onelevelup |
2H054 | Cameras in general | |
G03B19/00 -19/16 |
G03B19/00-19/16 | AA | AA00 TYPES OTHER THAN SINGLE-LENS REFLEX CAMERAS |
AA01 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | ||
. Still video cameras | . Cameras that use film | . . Cut-film cameras | . . Disk-film cameras | . . Cartridge-film cameras | . . Instant cameras | . . Microfilm and microfiche cameras | . . Cameras that use special roll films | |||||
AA11 | ||||||||||||
. Two-lens reflex cameras | ||||||||||||
BB | BB00 CAMERAS WITH A SPECIAL STRUCTURE |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | |||
. Cameras for taking pictures inside of tubes | . Cameras that allow the optical path to bend | . Pinhole cameras | . Cameras with built-in lighting units | . Cameras with multiple objective lenses | . Cameras that have two focal points | . Camera with multiple films or image pickup elements | . Sequentially controlled cameras | |||||
BB11 | BB12 | BB13 | BB14 | |||||||||
. Cameras with additional functions | . . Switching of films | . . Audio functions | . . Full-length mirrors | |||||||||
CA | CA00 CHARACTERISTIC OPERATING SEQUENCES OF SINGLE-LENS REFLEX CAMERAS |
CA01 | CA02 | CA03 | CA05 | CA06 | CA07 | CA09 | CA10 | |||
. Sequences relating to auto-focusing | . . Sequences relating to previews | . . Sequences relating to auto-focusing signals | . Safety devices (i.e., releases) | . . Measures for battery failure | . . Measures to prevent accidental film exposure | . Delay means | . . Electronic counting means | |||||
CA11 | CA12 | CA14 | CA15 | CA16 | CA17 | CA18 | CA19 | CA20 | ||||
. . Limit switches | . . Mechanical delay means | . Operation in cooperation with mirrors | . . Operation in cooperation with autofocus | . . Operation in cooperation with the shutter | . . Operation in cooperation with the diaphragm | . . Operation in cooperation with the winding means | . . Operation in cooperation with the eyepiece shutter | . . Operation in cooperation with light-shielding plates | ||||
CB | CB00 DRIVING SYSTEMS |
CB01 | CB02 | CB03 | CB04 | CB06 | CB07 | CB08 | CB09 | |||
. Retention means | . . Mechanical means | . . Electromagnetic means | . . Motors | . Charging means | . . Mechanical means | . . Electromagnetic means | . . Motors | |||||
CB11 | CB12 | CB13 | CB14 | CB17 | CB18 | CB19 | CB20 | |||||
. Triggering means | . . Mechanical means | . . Electromagnetic means | . . Motors | . Bounding prevention | . Means for taking pictures with the mirror locked up | . Previewing means | . Means for taking pictures consecutively | |||||
CC | CC00 SWING-UP MIRRORS |
CC01 | CC02 | CC03 | ||||||||
. Swing-back mirrors | . Use of sub-mirrors | . Mirrors per se as a characteristic and mounting thereof | ||||||||||
CD | CD00 BODY STRUCTURE OR OTHERS |
CD01 | CD03 | |||||||||
. Arrangement of photometric elements (i.e., distance-measuring elements) | . Finders |