Photography Patents (Class 396)
- Lens resetting (Class 396/90)
- Lens characteristic compensating (Class 396/91)
- Having pursuit mode (Class 396/95)
- Having accumulation photoarray and time control means (Class 396/96)
- Temperature compensating (Class 396/97)
- Ambient light compensating (Class 396/98)
- With amplification control (Class 396/99)
- Dual purpose photoelement (Class 396/100)
- With electronic filtering (Class 396/101)
- Having in-focus threshold adjustable (Class 396/102)
- Manually selected preset focus position or range (Class 396/103)
- Reliability of focus/distance signal (Class 396/104)
- Using sound (Class 396/105)
- Having auxiliary illumination (Class 396/106)
- Optical detail with photoelement system (Class 396/111)
- Plural focusing or rangefinding areas (Class 396/121)
- Single focus area with variable size or location (Class 396/124)
- Processing circuit (Class 396/125)
- Power supply control (Class 396/129)
- Focus lock (Class 396/130)
- Manually actuated power focus (Class 396/131)
- Dual purpose motor (Class 396/132)
- Lens drive circuit or motor structure (Class 396/133)
- Auto/manual mode selection (Class 396/137)
- Mechanical rangefinder (Class 396/138)
- Mechanical mechanism for displacement of exposure objective (Class 396/144)
- Having indicator (Class 396/147)
- Having viewfinder (Class 396/148)
- With Insulated Gate Bipolar Transistor (Class 396/156)
- Having preexposure illumination (Class 396/157)
- Having artificial illumination termination control (Class 396/159)
- Variable intensity control (Class 396/164)
- Activated under low light condition (Class 396/165)
- Exposure control circuit with illumination mode (Class 396/166)
- Having photocell used as flash trigger or used for camera release (Class 396/171)
- Photocell directly illuminated (Class 396/172)
- Multiple flashing from a single unit for a single exposure (Class 396/173)
- Bounce type (Class 396/174)
- Variable illumination angle (Class 396/175)
- Having flash built into camera (Class 396/176)
- Flash mode mechanical exposure control (Class 396/179)
- Having exposure synchronizer (Class 396/180)
- Bulb ejector (Class 396/196)
- Bulb substitution (Class 396/197)
- Having adapter unit (Class 396/198)
- Lens mounted illumination unit (Class 396/199)
- Reflector detail (Class 396/200)
- Having indicator (Class 396/201)
- With power supply detail (Class 396/205)
- Clamp or stop needle control device (Class 396/214)
- Direct drive galvanometer control device (Class 396/217)
- Responsive to power source condition (Class 396/221)
- Bracketing (Class 396/222)
- Override control (Class 396/223)
- Photometer lock (Class 396/224)
- Color temperature compensation or detection (Class 396/225)
- Film latitude responsive (Class 396/226)
- Maximum or minimum f-number responsive (Class 396/227)
- Having log transformation circuit (Class 396/228)
- Having temperature compensation circuit (Class 396/231)
- Viewfinder light compensation (Class 396/232)
- Having plural photocells (Class 396/233)
- Velocity control of shutter or diaphragm component (Class 396/235)
- Look-up table memory (Class 396/236)
- Manually set limit of exposure time or aperture value (Class 396/237)
- Manually selective exposure mode (Class 396/238)
- Pulse train type (Class 396/240)
- With exposure filter (Class 396/241)
- Program mode (Class 396/242)
- Manual Av circuit with automatic Tv circuit, or vice versa (Class 396/245)
- Shutter speed function only (Class 396/246)
- Diaphragm function only (Class 396/257)
- Photocell responsive to adjacent illuminator (Class 396/269)
- Movable into or out of light path (Class 396/270)
- In viewfinder area (Class 396/271)
- Having two or more mirrors (Class 396/272)
- Having light reflected from film or shutter or through film (Class 396/273)
- Having means for changing the photocell field of view (Class 396/274)
- With color filter (Class 396/275)
- Having variable light transmission means (Class 396/276)
- Electronic (Class 396/374)
- Lensless (Class 396/375)
- Pose reflector (Class 396/376)
- Parallax correction (Class 396/377)
- Selective or adjustable viewfinder field (Class 396/378)
- Lens detail (Class 396/382)
- Selective or adjustable viewing position (Class 396/383)
- With prism (Class 396/384)
- With reflector (Class 396/385)
- Detachable drive unit (Class 396/388)
- Double exposure prevention (Class 396/389)
- Film movement limiting means (Class 396/395)
- Film transport cocks shutter (Class 396/401)
- Having mechanically actuated circuit (Class 396/403)
- Having significant electronic circuit detail (Class 396/406)
- Mechanical detail (Class 396/411)
- Convertible to developed image projector or viewer (Class 396/430)
- With light beam projector for delineating field of view (Class 396/431)
- With diverse compound lens system (e.g., microscope) (Class 396/432)
- With camouflage structure (e.g., spy camera) (Class 396/433)
- With radio or clock (Class 396/434)
- Film restraining means or pressure plate (Class 396/440)
- Camera element cocking or resetting (Class 396/443)
- Film cutoff (Class 396/445)
- Plural film types (Class 396/446)
- Reflex mirror (Class 396/447)
- Lens cover (Class 396/448)
- Diaphragm shutter unit (Class 396/449)
- Shutter (Class 396/452)
- Diaphragm (Class 396/505)
- Detachable or removable film holder unit (Class 396/511)
- Lens mount (Class 396/529)
- Hood (Class 396/534)
- Body structure or housing (Class 396/535)
- Having printed circuit detail (Class 396/542)
- With mechanical switch detail (Class 396/543)
- Photoelectronic type (Class 396/550)
- Having character printing control by program card, tape, or disk (Class 396/551)
- Having justifying, tabulating, centering, or spacing apparatus (Class 396/552)
- Optical line correction (Class 396/554)
- Having means to detect indicia (Class 396/555)
- Having stencil-type character means (Class 396/556)
- Photographic medium handling (Class 396/562)
- Having fluid filter (Class 396/565)
- Having program card, tape, or disk (Class 396/566)
- Photographic medium or cartridge sensing (Class 396/567)
- Photocell controlled (Class 396/570)
- Heating, cooling, or temperature detecting (Class 396/571)
- Having testing, calibration, or indicating (Class 396/578)
- Gaseous-treating (Class 396/579)
- Treating superimposed or laminar sheets (Class 396/580)
- Reversal processing (Class 396/588)
- Dark cabinet (Class 396/589)
- Fluid application to one side only of photographic medium (Class 396/604)
- Having photographic medium feed (Class 396/612)
- Single station and plural fluids (Class 396/625)
- Having fluid-circulating means (Class 396/626)
- Having fluid-agitating means (Class 396/633)
- Photographic medium processing vessel (Class 396/636)
- Film guide (Class 396/646)
- Photographic medium holding device (Class 396/647)
Foreign Patent Art Collections
- Nonphotoelectric exposure control type (354/411) (Class 396/FOR711)
- For controlling entire photographic operation (354/412) (Class 396/FOR712)
- Including artificial illumination system or device (354/413) (Class 396/FOR713)
- Having log transformation circuit (354/425) (Class 396/FOR725)
- Having plural photocells (354/429) (Class 396/FOR729)
- Having circuit for controlling a diaphragm shutter (354/435) (Class 396/FOR735)
- Having circuit for controlling separate diaphragm and shutter (354/441) (Class 396/FOR741)
- Having circuit for controlling diaphragm only (354/446) (Class 396/FOR746)
- Having shutter or film feed speed and air or spin speed synchronizing (354/66) (Class 396/FOR757)
- Remote exposure control (354/67) (Class 396/FOR758)
- Simultaneous recording of plural images (354/68) (Class 396/FOR759)
- Having camera direction stabilizing (e.g., gyroscope, etc.) (354/70) (Class 396/FOR761)
- Including continuously moving film (354/71) (Class 396/FOR762)
- Having indicator, signal, or scale (354/72) (Class 396/FOR763)
- Including synchronization (354/73) (Class 396/FOR764)
- Support or holder (354/74) (Class 396/FOR765)
- Having measuring, testing, or indicating (354/127.1) (Class 396/FOR772)
- Having camera synchronization (354/129) (Class 396/FOR776)
- Lamp substitution (354/148) (Class 396/FOR794)
- Having variable illumination angle (354/149.1) (Class 396/FOR795)
- Having flash built into camera (354/149.11) (Class 396/FOR796)
- Film advance means sets mirror (354/153) (Class 396/FOR800)
- Having means to block light from film (e.g., screen, etc.) (354/154) (Class 396/FOR801)
- Plural optical means in view finder (354/155) (Class 396/FOR802)
- Having manipulating means (e.g., lever, etc.) (354/156) (Class 396/FOR803)
- Plate camera (354/157) (Class 396/FOR804)
- Folding, collapsible, or bellows camera (354/158) (Class 396/FOR805)
- Rotatable magazine (354/175) (Class 396/FOR823)
- Hand-changed plate (354/176) (Class 396/FOR824)
- Tilting magazine (354/177) (Class 396/FOR825)
- Flexible carrier for plates (354/178) (Class 396/FOR826)
- Sliding plate (354/180) (Class 396/FOR828)
- Quarter-turned plate (354/183) (Class 396/FOR831)
- Rear plate replaceable (354/186) (Class 396/FOR834)
- Film restraining means (354/203) (Class 396/FOR843)
- Interlocking film advance and shutter tension or setting (354/204) (Class 396/FOR844)
- Double exposure prevention (354/207) (Class 396/FOR847)
- Plural film type (354/210) (Class 396/FOR850)
- Film cutoff (354/211) (Class 396/FOR851)
- Film advancing means (354/212) (Class 396/FOR852)
- Film frame counting or measuring (354/217) (Class 396/FOR857)
- Viewfinder (354/219) (Class 396/FOR859)
- Shutter (354/226) (Class 396/FOR866)
- Indicator or setting means (354/289.1) (Class 396/FOR910)
- Photocell controlled (354/298) (Class 396/FOR916)
- And temperature control (354/299) (Class 396/FOR917)
- Gaseous-treating (354/300) (Class 396/FOR918)
- Treating superimposed or laminar sheets (354/301) (Class 396/FOR919)
- Reversal processing (354/306) (Class 396/FOR924)
- Dark cabinet (354/307) (Class 396/FOR925)
- Fluid application to one side only of film (354/317) (Class 396/FOR935)
- Having film or paper feed (354/319) (Class 396/FOR937)
- Single station and plural fluids (354/323) (Class 396/FOR941)
- Having fluid circulating means (354/324) (Class 396/FOR942)
- Having fluid agitating means (354/328) (Class 396/FOR946)
- Film or print processing vessel (354/331) (Class 396/FOR949)
- Film guide (354/339) (Class 396/FOR957)
- Film holding device (354/340) (Class 396/FOR958)
