F-Term-List

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
TOP