ReturnTo Theme-Group-Choice | Onelevelup |
2H011 | FOCUSING | |
G03B3/00 -3/12;13/30-13/36;21/53 |
G03B13/36;21/53 | AA | AA00 USE |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | ||||
. Still cameras | . Moving image cameras | . Television cameras | . Viewers or projectors | . Exposing devices or printing devices | . Other specific uses | |||||||
BA | BA00 FOCUSING OR RANGE FINDING SYSTEM |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | |||||
. Base length triangulation distance measuring e.g. passive | . . Using movable mirrors | . . . Involving search-scanning | . . . Interlocking mirrors and lenses | . . Not using moving mirrors | . . Using common or single detecting element or group | |||||||
BA11 | BA12 | BA13 | BA14 | |||||||||
. Base length triangulation distance measuring with baseline e.g. active | . . Scanning by mechanically moving light source | . . Scanning light-receiving element by mechanical means | . . Having no moving parts | |||||||||
BA21 | BA22 | BA23 | BA24 | BA25 | ||||||||
. Pupil dividing systems or phase-difference detection systems | . . Time-series dividing | . . Simultaneous dividing | . . Considering the F value of lenses | . . Involving detection of image sharpness | ||||||||
BA31 | BA32 | BA33 | BA34 | BA35 | BA36 | BA37 | BA38 | BA39 | ||||
. Detecting systems of image sharpness | . . Using dip effects or CdS | . . Using sensor arrays | . . Using image-pickup tubes | . . Detecting by mechanical scanning | . . Using optical Fourier transform | . . Detecting sharpness at various positions different in the direction of the optical axes | . . . Stationery detecting elements or groups thereof | . . . Lenses or detecting elements or groups oscillating in the direction of the optical axes | ||||
BA41 | ||||||||||||
. Using the time differences of reflected waves | ||||||||||||
BA51 | ||||||||||||
. Others e.g. changes in air pressure electrostatic capacity or the like | ||||||||||||
BB | BB00 CHARACTERISTIC OF SENSOR |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | |||||
. Optical systems | . Detecting elements | . Algorithms relating to detection systems | . Signal processing | . . Storage time of charge-coupled devices (CCD) | . . Special conversions | |||||||
CA | CA00 DRIVE OR CONTROL OF LENS OR THE LIKE |
CA01 | ||||||||||
. Having characteristics in imaging elements for moving focal points | ||||||||||||
CA11 | CA12 | CA13 | CA14 | CA15 | CA16 | CA17 | CA18 | CA19 | ||||
. Mechanical structures for moving lenses or the like | . . Characteristics of drive sources per se | . . suitable to integral-lens types | . . suitable to interchangeable-lens types | . . . Arranging drive sources and sensors on body side | . . . Arranging sensors on body side and drive sources on lens side | . . Drive sources or sensors made as attachments | . . Switching between automatic and manual operation | . . Detecting lens position | ||||
CA21 | CA22 | CA23 | CA24 | CA25 | CA26 | CA27 | CA28 | CA29 | ||||
. Control methods or devices | . . Continuous control | . . . Preventing hunting | . . . Control for acceleration | . . One-shot operation | . . . Using motors | . . Selecting consecutive shooting or one-shot | . . Processing errors in detection | . . Limiting movement of lenses or the like | ||||
DA | DA00 INTERACTION WITH OTHER FUNCTION |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | |||
. Photometry or exposure control | . Shutters | . . Self-timers | . Film feeding | . Display | . Close-up photographing | . Auxiliary lights for photographing e.g. strobes | . Auxiliary lights for automatic focusing (AF) | |||||
G03B3/02;13/32 | EA | EA00 MANUAL FOCUSING |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | EA09 | EA10 |
. operation components being apart from the lens barrels | . Operation components also having other functions | . Link mechanisms arranged between movable lenses and operation components | . . Helicoid grooves and followers | . . Cam discs and followers | . . Cam cylinders and followers | . . Pinions and racks | . . Other link mechanisms | . Uses | . . Still cameras | |||
EA11 | EA12 | EA13 | ||||||||||
. . Moving image cameras | . . Viewers or projectors | . . Other special uses | ||||||||||
G03B3/10;13/34 | FA | FA00 FOCUSING BY POWER |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | FA09 | FA10 |
. Drive sources | . . Rotating motors | . . Other motors | . Power transmission | . . through clutches | . Focusing by power related to other functions | . . Shutters | . . Diaphragms | . . Film feeding | . . Close-up photographing | |||
FA11 | ||||||||||||
. Having means for finding position of lens |