F-Term-List

2H080 Diaphragms for cameras
G03B9/00 -9/07@Z
G03B9/00-9/07 AA AA00
STRUCTURE
AA01 AA02 AA03 AA04 AA06 AA07 AA08 AA10
. Sectors per se and combinations thereof . . Properties of the materials . . . Physical properties of the diaphragm itself . . . . Liquid-crystal displays (LCD) . . . Rubber . . . Metals . . . . Titanium . . . Resin films
AA11 AA12 AA13 AA14 AA15 AA16 AA18 AA19 AA20
. . . Use of fibers . . . Laminated bodies . . . Coating agents . . . . Carbon-based agents . . . . Lubricants . . . . Anti-static agents . . Shape of the diaphragm blades . . . Variants wherein selection is undertaken from multiple circular holes . . . Combination of two blades
AA21 AA22 AA23 AA24 AA26 AA27 AA28 AA30
. . . Combination of multiple blades . . . . Blades made up of parts with different shapes . . . . Blades with a notch for ensuring a minimum aperture at the center . . . . Prevention of inclination . . . Shape of the overlay unit . . . Blades with projections . . . Diaphragm blades per se that serve as a functional unit . . Fixed diaphragms
AA31 AA32 AA34 AA36 AA37 AA38 AA40
. . Combination with filters . . Use of multiple diaphragms . Housings for mounting of sectors . Members for moving or guiding of diaphragm blades . . Cams . . . Grooved cams . . Shapes of cams
AA41 AA42 AA43 AA45 AA46 AA47 AA48 AA50
. . . Cams that ensure uniform spacing between the diaphragm steps . . . Shapes for the small side of the diaphragm . . . Provision of slack on the open side of the diaphragm . Drive sources for diaphragms . . Springs . . . Shared use of springs . . . Spring-charging mechanisms . . Fluids
AA51 AA52 AA54 AA55 AA56 AA57 AA58 AA60
. . Electrostrictive elements (i.e., piezoelectric) . . . Bimorph elements . . Electromagnetic driving . . . Structure or arrangement of rotors . . . . Rings . . . . Rotors with coils . . . . . Printed coils . . . Structure or arrangement of stators
AA61 AA63 AA64 AA65 AA66 AA67 AA69 AA70
. . . . Stators with coils . . . Drive members . . . . Swinging or rocking members . . . . Linear movement . . . . Gears . . . . Return-springs . . . Step motors (i.e., pulse) . . . Linear motors
AA71 AA72 AA74 AA75 AA76 AA78 AA79 AA80
. . . Detection of magnetic fields . . . Measures to prevent cut-off of current flow . . Arrangement of drive sources . . . Drive sources within the camera . . . Drive sources within the lens . Drive-force transmission mechanisms . . Interlocking of the camera and lens . . . Variants wherein the member on the camera side is a linear reciprocating member
AA81 AA82 AA83 AA85 AA87 AA88 AA89
. . . Variants wherein the transmission member on the camera side is a rotating member . . . . Rotating rings . . . . Levers . . Means for delay . Members for operation of the diaphragm . . Click-stops . . Locking or releasing (when set in automatic operation)
BB BB00
APPLICATION
BB01 BB02 BB03 BB04 BB05 BB07 BB09 BB10
. Manual setting of the diaphragm . . Pre-set diaphragms . . . Retention means . . . . Cams . . . Means for transmission of preset values to the camera . . Direct contraction of the diaphragm . Adapted for autoexposure (AE) or electronic exposure (EE) (i.e., for still cameras) . . Switching between autoexposure (AE) and preset diaphragms
BB11 BB12 BB13 BB15 BB16 BB17 BB18 BB19
. . Retention of the diaphragm in a desired position . . . Use of magnets . . . Use of cams that operate in stages . . Speed-regulation means . . Confirmation of diaphragm position . . . Pulse counting . . . . Use of photoconductive cells . . . Slide resistors
BB21 BB22 BB23 BB24 BB25 BB26 BB27 BB28
. Servo diaphragms . . Switching between manual or automatic operation . . Detection of the size of the diaphragm aperture . . Bridge control . . Digital control . . Prevention of hunching . . Fade-in or fade-out types . . Closed diaphragms
BB31 BB32 BB33 BB35 BB36 BB37 BB38 BB39
. Adaptation for zoom, bellows, or macro functions . . Detection of zoom position . . . Slide-resistors . . Mechanisms for correcting the aperture size . . . Cam mechanisms . . . . Cams . . . . . Cams located on rings . . . . . Cams located on plates
BB41 BB42 BB43 BB45 BB47 BB48 BB49
. . . . Cam followers . . . . . Diaphragm-mounting members . . . . . Members for narrowing the size of the aperture . . . Mechanisms with a means for transmission of an F-value for a fully open position . . Aperture-size correction or limiting systems . . . Correction of the aperture diameter . . . Correction of the diaphragm position in the direction of the optical axis
BB51 BB52 BB53 BB54 BB55 BB56 BB58 BB59 BB60
. . Improvement of lens characteristics . . Interlocking of the bellows with members for diaphragm operation . . . Electrical interlocking . . . Mechanical interlocking . . . . Use of cables . . . . Use of interlocking bars . Means for previewing . . Mechanical means . . Electrical means
BB62 BB63 BB64 BB65 BB67 BB68 BB69
. Measures for when the lens is exchanged . . Internal lens barrels . . Locking means . . Mounting means . Adaptation for lenses that can tilt or shift . Soft focusing . Mirror lenses
CC CC00
OPERATING MODES
CC01 CC02 CC03 CC04 CC05 CC07 CC09 CC10
. Sequential control . . Interlocking of the control of the diaphragm with other mechanisms . . . Interlocking with the reflex mirror . . . Interlocking with the shutter . . . Interlocking with the flash . Setting of the diaphragm . Prevention of braking or bounding . . Use of fluids
CC11 CC12 CC13 CC14
. . Use of spring force . . . Presence of other spring members . . Electrical means . . Use of frictional force
DD DD00
MANUFACTURE, ASSEMBLY, AND ADJUSTMENT
DD01 DD02 DD03 DD04 DD06 DD07 DD08
. Manufacturing of sectors per se . . Mounting of nibs or pins . . . Caulking . . . Molding with resins . Assembly of sectors . Mounting of the lens-barrel . Adjustment
EE EE00
DISPLAY
EE01 EE02
. Display of the operating status of the diaphragm . Calculator pads
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