| ReturnTo Theme-Group-Choice | Onelevelup |
| 2H081 | Shutters for cameras | |
| G03B9/08 -9/54 | ||
| G03B9/08-9/54 | AA | AA00 TYPE OF SHUTTER |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | |
| . Focal-plane shutter | . . Flexible screen type | . . . Element | . . . . Screen | . . . . Fringe metal (including mounting to screen) | . . . . Traction body (including mounting to screen or fringe metal) | . . . . Drum | . . . . Substrate, frame, bearing | . . . . Spring | ||||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA17 | AA18 | AA19 | AA20 | ||||
| . . . Structure | . . . . 1 screen with aperture | . . . . Front screen and rear screen | . . . . . 1 shaft | . . . . . 2 shafts | . . Blade type | . . . Element | . . . . Blade | . . . . Arm | ||||
| AA21 | AA22 | AA23 | AA24 | AA26 | AA27 | AA28 | AA29 | AA30 | ||||
| . . . . Base plate, substrate | . . . . . Intemal cam | . . . . Member for operation or control | . . . . Spring | . . . Structure | . . . . 1 plate | . . . . Front blade and rear blade | . . . . . Each being subdivided | . . . . . . Mode of subdivision | ||||
| AA31 | AA33 | AA34 | AA35 | AA36 | AA37 | AA38 | AA39 | |||||
| . . . . . . Mechanism for driving blade | . . Techniques common to FP shutter | . . . Unit construction | . . . . Unitization with mirror box | . . . Incorporation into body | . . . . Arrangement | . . . Adapted for photometry | . . . Duplex shielding | |||||
| AA41 | AA42 | AA43 | AA44 | AA45 | AA47 | AA48 | AA49 | AA50 | ||||
| . Lens shutter | . . Element | . . . Blade | . . . Base plate, substrate | . . . Member for operation (lever, cam, ring, etc.) | . . Operation type | . . . Reciprocating blade | . . . . Plurality of blades arranged on circumference | . . . . For single-lens reflex camera | ||||
| AA51 | AA52 | AA53 | AA55 | AA56 | AA57 | AA58 | AA59 | AA60 | ||||
| . . . . Also used as diaphragm | . . . . . Means for governing speed | . . . . . Change of opening/closing characteristics | . . . Allowing 1 blade to move in 1 direction | . . . . Adapted for continuous rotation (e.g., rotary type for movies) | . . . . . Change of opening angle | . . . . . Change of exposure cycle | . . . . Opening and closing with same member (group) | . . . . . Plurality of blades arranged on circumference | ||||
| AA61 | AA63 | AA64 | AA66 | AA67 | AA68 | AA69 | ||||||
| . . . . Having opening member and closing member | . Combination of focal-plane and lens shutters | . . Corresponding to switching of lenses | . Other types of shutters | . . Lift type | . . . Mirror shutter | . . Using circular cylinder plane or conical surface | ||||||
| AA71 | AA72 | AA73 | AA74 | AA75 | AA76 | AA78 | AA79 | AA80 | ||||
| . . Chemical physics shutter | . . . Liquid crystal | . . . Operation mode | . . . . Operating as shutter also functioning as diaphragm | . . . . Also used only as diaphragm | . . . . Utilizing filter action | . . Field or apparatus for application | . . . For stereophonic photograph | . . . For breakdown photograph | ||||
| BB | BB00 DRIVING OF SHUTTER |
BB01 | BB02 | BB03 | BB05 | BB07 | BB09 | |||||
| . Spring | . . Operating a plurality of springs charged in advance one after another | . . . Especially adapted for reciprocation of blade | . . By using member for driving against a spring energized for closure (e.g., impact type) | . . Single spring being operating both for opening and closing | . . Used for auxiliary purpose (e.g., speed governing) | |||||||
| BB11 | BB12 | BB13 | BB14 | BB15 | BB16 | BB17 | BB18 | |||||
| . Electrical drive mechanism | . . DC motor | . . Print motor | . . Linear motor | . . Step motor (pulse motor) | . . Plunger | . . Ammeter type | . . Electrostriction element | |||||
| BB21 | BB22 | BB25 | BB26 | BB27 | BB28 | |||||||
| . Combination of a plurality of drive sources | . . Combination of electrical drive source and spring | . Transmission mechanism | . . Arm, link | . . Cam | . . Gearing mechanism | |||||||
| BB31 | BB32 | BB33 | BB34 | BB36 | BB37 | BB38 | BB39 | |||||
| . Stabilization of driving | . . Uniformity or Stabilization of driving force | . . . Stabilization especially of operation at initial stage | . . Stabilization of power supply | . Braking | . . Electrical braking | . . Mechanical braking | . . Shock absorption prevention of bounding | |||||
| CC | CC00 ELEMENT OF FUNCTION |
CC01 | CC02 | CC03 | CC04 | CC05 | ||||||
| . Unit for controlling start of picture-taking (e.g., release button) | . . Mechanical operation mechanism | . . Switch | . . Remote control | . . Means for locking | ||||||||
| CC11 | CC12 | CC13 | CC14 | CC15 | CC16 | CC18 | CC19 | |||||
| . Charging mechanism | . . Moving blade | . . . Returning charging member after charging completion | . . . Releasing clutch after charging completion | . . . Putting charging member in standby after charging completion | . . . . Used for release operation | . . Moving only member for driving | . . . Not opening/closing blade at charging | |||||
| CC21 | CC22 | CC23 | CC24 | CC25 | CC27 | CC28 | CC29 | |||||
| . Retaining and releasing | . . Type | . . . Mechanically retaining or holding | . . . . Mechanically releasing | . . . . Releasing by turning electromagnet on (attraction) | . . . Holding with permanent magnet (releasing by degaussing) | . . . Holding by turning electromagnet on (releasing by turning electromagnet off) | . . . Combination, switching | |||||
| CC32 | CC33 | CC34 | CC35 | CC36 | CC38 | |||||||
| . . Details | . . . Structure of magnet | . . . . Yoke | (Not Translated) | (Not Translated) | . . . Circuit for driving electromagnet | |||||||
| CC42 | CC44 | CC45 | CC46 | CC47 | ||||||||
| . . . Means for adjusting response | . . . Safety device | . . . . Measures against malfunction | . . . . . Indication | . . . . . Special operation | ||||||||
| CC51 | CC52 | CC53 | CC54 | CC56 | CC57 | CC58 | ||||||
| . Controlling for shutter-open time | . . Electromagnetic | . . Mechanical | . . Valve, time | . Delay of shutter operation | . . Electrical | . . Mechanical | ||||||
| CC61 | CC62 | CC63 | CC65 | CC66 | CC67 | CC68 | CC69 | |||||
| . Having flash synchronization contact | . . For lens shutter or programmed shutter | . . For focal-plane shutter | . Power supply (cell) | . . Using a plurality of power supplies | . . Means for generating electric power | . . Measures against exhaustion of power supply | . . . Alleviation or prevention of exhaustion | |||||
| CC71 | CC72 | CC73 | CC74 | CC75 | CC76 | CC77 | CC78 | |||||
| . . . Operation at exhaustion of power supply | . . . . Release not operable | . . . . Stopping before opening shutter | . . . . Operating without exposure | . . . . Operating exposure according time mechanically determined | . . . . Alarm indication | . . . . Processing for restoration | . . . . Switching-over to other power supply | |||||
| DD | DD00 RELATIONSHIP WITH OTHER MECHANISMS OF CAMERA |
DD01 | DD02 | DD03 | DD06 | DD07 | DD08 | DD09 | ||||
| . Interlocking with diaphragm or mirror | . . By means for detecting operation (completion) | . . Having means for delaying | . Relationship with AF mechanism | . . Shared use of driving means | . . . Switching of transmission path | . . . Reverse rotation | ||||||
| DD11 | DD13 | DD14 | DD15 | DD16 | DD18 | DD19 | DD20 | |||||
| . . Shared use of control circuit | . . Shared use of control member | . . . Electromagnet turning on or off | . . . Using stroke | . . . Control cam | . . Characteristics on functions | . . . Operating shutter only in focused state | . . . . Measures against inability of focusing (e.g., perfection halt) | |||||
| DD21 | DD22 | DD24 | DD25 | DD27 | DD29 | |||||||
| . . . . Prohibiting releasing until focusing | . . . . Releasing with focusing signal | . . . Releasing taking precedence | . . . Focusing locking | . . Adapted for use of self-timer at AF | . . Adapted for use of strobe at AF | |||||||
| EE | EE00 ASSEMBLING, ADJUSTMENT |
EE01 | EE02 | EE04 | EE06 | |||||||
| . Assembling of shutter per se | . . Adjustment of characteristics | . Mounting or adjustment to camera | . Measuring, inspection |