CN1024155C - Light weight and popular four purpose camera served as pick-up camera, projector, camera and enlarger - Google Patents

Abstract

The present invention relates to a light weight and popular four purpose camera served as a pick-up camera, a projector, a camera and an enlarger, wherein a set of device is used for both photography and projection, and the device and an improved single negative camera form a main body of the four purpose camera. Then, the main body of the four purpose camera, a projection light source system, a connector of a magnifying light source optical system, and a power supply from the integration of the four purpose camera. The whole camera together uses one lens. The same set of parallax-free vertical magnifying viewfinder is used for both the photography and the shooting, and a common sound recorder is used for recording and reproducing sound. The whole camera is provided with an electric control circuit for preventing mistake operation, and all the working states are indicated by LED luminescence. Films, window standards, photography projection frequency, etc. used in the present invention all confirm to the national standards. The movies shot by the camera is universal with the professional movies. The present invention is favorable to the popularization and the development in all the society.

Description

Light weight and popular four purpose camera served as pick-up camera, projector, camera and enlarger

The present invention relates to a kind ofly specialize in amateur universal use towards the whole society, camera and projector is used in process photography, motion picture projection, photograph, amplification associating more.

Existing kinematograph, film projector, camera, enlarger all is an autonomous device, the function that does not have a machine four-function, want finally to see the movable video that goes on record and the picture of amplification, just must possess kinematograph simultaneously, film projector, camera, these four kinds of devices of enlarger, kinematograph particularly, film projector, nearly all be that specialty is used in China at present, the equipment complexity, cost an arm and a leg, volume is big, the service condition harshness, strongly professional, limit the whole society and extensively popularized the practical work record that needs, visiting and learning, technical information exchanges, and goes sightseeing amateur universal uses such as life souvenir.

Purpose of the present invention, exactly at the problems referred to above invent a kind of simple in structure, cheap, volume is little, in light weight, using method is easy, reliable working performance, the process photography of specializing in the amateur universal use of the whole society, motion picture projection, photograph, amplification four-function machine.

The present invention realizes by following structure and technical scheme; Kinematograph and film projector (except that projection light-source system and camera amplification common sparing) are designed to same set of composite device 1, see Fig. 1, it and improved single lens reflex type camera 2 are formed main body 3 of the present invention, also it can be installed in to take the photograph by projection light-source system plug connector 4[again and put in the composite device 1, but the main frame volume and weight increases], amplify optical light source plug connector 5 and amplify annex and power supply 6 compositions integral body of the present invention, photography, projection, take a picture, amplify and all use same sharing lens 7 or photography, take a picture and use same zoom lens, projection, amplify and use same heavy caliber to amplify or projection lens, the shared view finder 8 of the photography and the upright amplification of the same set of no parallax of use of taking a picture, and prevent the complete machine electronic apparatus control circuit of maloperation between each operating mode, see Fig. 2, all duty is by the luminous demonstration of LED; In addition, the present invention also adopts following prior art device; As electronic metering table in the machine, X-flash, wireless remote control filming apparatus, self-timer, frequency meter, frequency trim device, counter etc.Below in conjunction with accompanying drawing invention is elaborated:

At first, kinematograph and film projector are designed to same set of composite device 1; The present invention limits, photography and projection must be used with selected type and require the film size used corresponding to a kind of specification cinefilm, like this, just can utilize projection is the inverse process of photography, use on same set of improved mechanical power transmission system and the same set of film magazine intermittent film transport, the slice receiving mechanism of slice of band sprocket, finish photography, show work intermittent film transport, task takes up.Use same improved picture gate, window on the sheet frid is also made the photoexposure window, in the relative position of window of exposing of film pressure plate with the compressing tablet door, respectively open a window, do projection picture window and light hole, the window specification should meet this kind type national standard, three window center overlap with camera lens optical axis, in addition, install additional in the back of compressing tablet door light hole a slice black lighttight, when photography can reliable fully shield light hole, remove, can expose to the open air fully the slide damper of light hole during projection, put common needs to utilize same improved film gate to satisfy to take the photograph.Process photography and motion picture projection use same set of improved twayblade, symmetric double opening reflecting type variable shutter is made shared dimmer, this shared dimmer is taken the photograph knock off condition selection mechanism and photographic frequency simultaneously, speed, the control of projection selection mechanism, take the photograph the rotating ratio of knocking off between condition selection mechanism main control system kinematic train and the shared dimmer main shaft, when selecting the projection operating mode, put the selection lever by taking the photograph, control clutch speed-changing mechanism, the speed ratio that makes main frame kinematic train and shared dimmer main shaft is 1: 1,360 ° of each pulldown working cycle blade rotations, each shield window of major-minor leaf lobe once, when selecting show frequency China's standard 24 lattice/second, finish the task of 48 times/second shield window elimination scintillation effects; When selecting the photography operating mode, also select lever control clutch speed-changing mechanism by taking the photograph to put, the speed ratio that makes main frame kinematic train and shared dimmer main shaft is 2: 1, each pulldown working cycle, blade can only Rotate 180 °, and window of leaf lobe shield is when satisfying photography, no matter how photographic frequency changes, all identical with the photographic frequency condition of number of times of leaf lobe shield window; Photographic frequency, speed, projection selection mechanism, main control system frequency of operation and shared dimmer opening angle, photographic frequency is selected by the control of motor electronic alignment circuit, picture rate and projection are selected, by the control of shared dimmer opening angle circuit, two blades are overlapped, conversion opening angle on request during photography when projection, automatically stop the location, corresponding the LED selected frequency of operation of luminous indication and picture rate or projection are respectively arranged simultaneously.Shared dimmer is located between film gate and the camera lens, its axle is located at the exposure beneath window, be 45 ° with the camera lens primary optical axis, its total two blade of major-minor, the diameter of blade and leaf lobe, opening angle are identical, primary blades is reflective blade, be fixed on shared dimmer mandrel upper end, back blades is fixed on the upper end of shared dimmer main shaft, the diameter of blade and base footpath, with the alternative condition of existing reflective optical gate type video camera, leaf lobe operating angle α _Po, should be according to α _{Po is put}=β+α _P-2 λ and α _{Po takes the photograph}=α _p+ ∠ ZOA/2-∠ zoa+ Φ ₁Select wherein higher value, and then, be not less than preliminary election α in conjunction with artificial photographic frequency and the limiting velocity class of setting _PoUnder the prerequisite of angle, take all factors into consideration the operating angle α of the shared dimmer leaf of final decision the present invention lobe _Po, in the formula: β-hide in advance angle, α _pThe operating angle of-in-and-out movement, the fuzzy angle of λ-permission, Φ ₁-consider the reliable shield window angle more than needed of various cumulative errorss reservations, the leaf lobe was apart from the angle of window when ∠ zoa-shut down, and ∠ ZOA-shuts down anchor point Z and the angle of showing synchronous start point A.The synchronous start point of leaf lobe of the present invention and in-and-out movement, when being set in the projection operating mode, the main lobe lobe job initiation limit OE of back blades sees Fig. 3, forwards the A point place, termination limit that begins to allow fuzzy angle λ to, ∠ Aob=λ.Because the present invention takes the photograph when knocking off condition selection conversion; need to switch by the gear of clutch speed-changing mechanism; in order when selecting conversion, not make the synchronous start point entanglement; the present invention has set the vanes fixed position and has shut down anchor point; this point is set in when the OE limit and goes to the Z point position that also differs from 1 ° apart from window; see Fig. 4, ∠ zoa=1 °.Take the photograph and put selection mechanism and must when shutting down, select; be that clutch speed-changing mechanism must be parked in Z point position at OE and just allows to switch speed change; the OE limit can accurately be parked in the Z point during only guaranteed shutdown; the synchronous start point that could guarantee shared dimmer and in-and-out movement is constant; for this reason; the present invention has designed vanes fixed position halt circuit, sees Fig. 5, the photography K switch _{Take the photograph}, remote control takes the photograph and decontrol to close K _Distant, projection and long-time continuous photography K switch _Put, with they corresponding separately interlock contact K _{Take the photograph 1}, K _{Distant by 1}, K _{Put 1}, in parallel respectively, work as K _{Take the photograph}, K _Distant, K _PutIn arbitrary contact when engaging, its corresponding interlock contact also engages, and makes K _AxleEngage K _AxleBe provided in a side of the C shape opening electric contact on the shared dimmer main shaft, at this moment, relay J _From, J ₁Adhesive, contact J _1-1, J _1-2Engage motor D ₁Run well, simultaneously J _1-4Disconnect K _{J is from 2}Engage, capacitor C begins charging, disconnects the K of former joint when in office one instantaneous shutdown _{Take the photograph}Or K _Distant, K _PutDuring contact, K _AxleTwo kinds of states can be arranged, and a kind of is to engage, and a kind of is to disconnect, and works as K _AxleWhen C shape opening electric contact does not forward the opening de-energized to, K _AxleStill engage relay J _From, J ₁By self-insurance magnetic contact K _{J is from 1}Power supply, motor still runs well, and works as K _AxleWhen C shape opening electric contact forwards the opening open position to, K _AxleDisconnect relay J _From, J ₁The outage loss of excitation, J _1-1, J _1-2Disconnect motor D ₁Outage is by self inertia running, K simultaneously _{J is from 2}Disconnect J _1-4Engage, capacitor C passes through J _1-4To relay J _RWith potentiometer W discharge, JR adhesive, J _RKEngage, make relay J ₂Adhesive, J _2-1, J _2-2Engage, give motor D ₁The input inversion electric current makes D ₁Counter-rotating, the W value is adjustable, and by regulating the time constant of W resistance change discharge loop, the result makes relay J _RPickup time obtain adjusting with the change of W resistance, work as motor D ₁When the moment that produces in reversing time equaled the primary inertia force square, motor promptly stopped operating, therefore, as long as suitably adjust K _AxleThe fixed angle of C shape opening electric contact on shared dimmer main shaft cooperates with W, can reach in any instantaneous shutdown, and anchor point Z point place, J are shut down in the vanes fixed position that can both make the OE limit rest on setting accurately _1-3, J _2-3Be the interlocking contact, prevent motor D ₁Short circuit during commutation.In addition, in the time of also will preventing to adjust shared dimmer opening angle, back blades rotates with primary blades, destroy synchronous start point, for this reason, the present invention has designed the mechanical drive self-locking device again, add worm gear system in power drive system, motor side drives worm screw, and the worm gear end drives shared dimmer main shaft.When≤5 ° of 43 ' times of helix angle design of worm screw, promptly play reverse mechanical self-latching effect.When guarantee adjusting shared dimmer opening angle, mandrel rotates, and main shaft maintains static.The greatest limit opening angle of shared dimmer was α when the present invention photographed _Max=180 °-(α _Po+ ∠ zoa+ β+Φ ₁) see Fig. 6, least limit opening angle is: α _Min=180 °-(2 α _Po-Φ _Min) see Fig. 7, in the formula: Φ _MinThe minimum reliable shading overlap joint angle of the major and minor blade of-shared dimmer, Φ _MinGet more than 4 °.Picture rate class of the present invention is at α _Max～α _MinSet in interval, opening angle α is by α=180 ° f _PlT determines variable quantity, and passes through T=1/f _Pl* α/180 °

Calculate corresponding picture rate, in the formula: f _PlThe photographic frequency of-selection, T-is at f _PlPicture rate under the condition.Because the present invention is in the limiting velocity interval of setting, the main lobe lobe job initiation limit OE ' of primary blades (being reflective blade) sees Fig. 6, lights from Z, and minimum will turn over ∠ Zoa+ β+Φ ₁Angle will turn over α at most _Po-Φ _MinAngle; see Fig. 7; in this transient process; can be all the time reliable shield exposure of reflective leaf lobe window; therefore; when in the picture rate interval of whole setting, shutting down, can obtain all complete videos being shot, can prevent to shut down simultaneously the exposure at rear panel window place reliably by the focusing screen of finding a view.When projection, because blade OE limit fixedly stops at the Z point position apart from 1 ° of window, the major-minor blade overlaps fully, so window exposes to the open air fully, in-and-out movement was in and entered the stroke stage this moment, film also keeps the previous complete picture that has finished in the pulldown stroke, transfixion, the adjustment preliminary work before helping showing.The reproducer system of film, use the synchronous playback circuit of synchronization of same set of control process photography and motion picture projection, audio playback equipment, use the normal domestic sound-track engraving apparatus of all size model, the way of recording, adopt cinefilm production silent film, the capstan sparate sound recording (can on-the-spot synchronization, but also synthetic making of later stage) put synchronizing circuit by taking the photograph then, the control recorder power, make capstan and the run-in synchronism of four-function machine, playback from the Yang Sheng device of sound-track engraving apparatus, still, because the impossible conformance with standard fully of the rotating speed of normal domestic sound-track engraving apparatus, exchange when using especially mutually, error is bigger, and it is synchronous to want to reach sound picture, can solve by fine setting projection frequency, other slave part, adopt video camera, the relevant prior art of projector can be designed to same set of composite device 1 with video camera and projector (except that the light-source system and the amplification common sparing of taking a picture).It and improved single lens reflex type camera 2 are formed main body 3 of the present invention, its composition mode, can use photography, the specification of film separately of taking a picture according to artificial decision, picture window size is provided with custom anyhow, and monnolithic case is attractive in appearance, aspects such as convenience is suitable for, consider, but the horizontal cross composition also can vertically vertically be formed comprehensively, consist of preferred plan with horizontal cross, when laterally forming, single-lens reflex camera should be designed to vertical structure, sees Fig. 8, picture window horizontally set, spool for film is upper and lower to be horizontally disposed with, and reflective mirror 44 changes 90 ° of conventional installations, between film trasport axle and picture window.Single anti-focusing screen 11 and right-angle prism 13 of finding a view is set, and shutter is established T door shelves, uses during for amplification.Above-mentioned improved single lens reflex type camera 2 is put composite device 1 transverse set and become main body 3 of the present invention with taking the photograph, make they separately the picture window center on same horizontal line, and, also do at grade on the film guide rail plane at picture window place, also the front cover portion that they will be installed separately camera lens is made horizontal one chute type, the slideway plane should with the film guide rail plane parallel at two picture window places, the lens mount 9 of also slidably locating with the slideway plane parallel is set on the slideway, see Fig. 1, the optical axis of sharing lens is perpendicular to lens mount, and aim at two picture window center lines, be installed on the lens mount 9, the distance of camera lens and picture window, set by the focal length of selected sharing lens is conventional, the slip anchor point of lens mount 9, in photography, during the projection operating mode, be set in position with sharing lens optical axis center perpendicular alignmnet photography picture window center, take a picture, during amplification with sharing lens optical axis center perpendicular alignmnet photograph picture window center position, lens mount is in the slip location process, drive a right-angle steering prism 14 that can change 90 ° by glide direction, see Fig. 8, prism 14 is to drive by the lever F on the rotation axis B of the rotary seat 56 that is located at 1/2 place, prism inclined-plane, rotating shaft B is located at photography, photograph right-angle prism 12 separately, 1/2 S of place point of 13 center refraction optical path distance line, prism 14 is by spacing shelves 53,54 is spacing, like this, no matter sharing lens slides is positioned at that working position, two right-angle planes of prism 14, all the time there is the planar central of a vertical direction to aim at this operating mode work find a view right-angle prism 12 above the screen or 13 vertical plane center, the right-angle plane center of another horizontal direction, aligning is located at the horizontal plane center of the right-angle prism 15 of its vertical direction, like this, by sharing lens when selecting the photograph operating mode, drive prism 14, this operating mode find a view the screen on video, by prism 12,13,15, right-angle steering prism 14, with 15 horizontal right-angle prisms 16, right-angle prism 17 with 16 homeotropic alignments, eye lens group 18,19, obtain with subject identical at last, upright, amplify, the no parallax video is realized photography, take a picture and use same set of no parallax to amplify upright shared view finder purpose.The camera and projector door and the camera back of main body 3 are all made removable structure, to adapt to projection and will show light-source system plug connector 4 when amplifying and amplification optical light source system plug connector 5 is plugged on respectively on camera and projector door and the camera back position.

The present invention's photography, projection, take a picture, amplify and all use same sharing lens 7, its reversibility is on pure theory, exist certain problem, because special-purpose photography camera lens and projection, enlarging lens is when design, be closely to be standard with camera lens to the distance of infinity and camera lens to egative film respectively, the various aberrations of difference corrective lens, but, although it is well-designed that the designer goes teeth and nail, utilize current material and technology, also can only be reduced to certain limit to the various aberrations of camera lens, one flawless, the camera lens that does not have aberration, up to the present also do not exist, in other words, the camera lens that all specialties are used, aberrations of various degrees all, it is the size of amount, based on this fact, the concrete camera lens that uses any what pattern of estimating, under which kind of condition, can photograph, projection, take a picture, amplify reversible use, just according to actual service conditions, specific requirement is tested, relatively, weigh the various aberrations occurred whether surpass people the problem of receptible permission limit.For this reason, the present invention has done a large amount of tests, utilizes other type camera lens to do the reversibility test, because excessive all difficult use of aberration, but utilizing photography, photographic lens to carry out reversible projection, be amplified in but is feasible in the certain limit, is the test report that utilizes the primary election camera lens to be done below:

One, test objective: utilize the primary election camera lens to show, amplify the reversibility test;

Two, test shut:

1, F2.8, f=40; β=.81 °, 3 groups of 4 secondary camera lenss.

2, F2, f=58, β=40.9 °, 4 groups of 6 one-level camera lenss.

3, F2.8, f=38, β=59 °, 3 groups of 4 secondary camera lenss.

4, F=2.8, f=35, β=63.44 °, 4 groups of 4 secondary camera lenss.

5, F2.2, f=55, β=45.18 °, 4 groups of 4 import camera lenss.

6, F4, f=38mm, β=59 °, 3 groups of 3 three grades of camera lenss.

Three, test negative film: 16mm standard picture verification sheet and colour negative are adopted in projection, amplify and use the 35mm normal negative.

Four, test method: projection test: equal maximum ring, utilize the light source of plug connector 4 to fix displacement from projection, per 2 meters one-level incremental, all reviewers are in the optional position of projection picture width more than 1.5 times, and with the naked eye Direct observation detects.

Five, detect conclusion: remove the 6th group of F4, f=38, outside 3 groups of 33 grades of camera lens effects are not good enough, other each set of shots is no more than in the 8-10 rice at screen distance, enlarged photograph is within the 6-8 inch, and all reviewers all do not propose any obvious aberration, and the projection image sharpness all reaches or near 1-17, especially with the 4th group of effect for well, overall assessment is very satisfied.

The selection of sharing lens specification, can photograph, show, take a picture, amplify the film size of using separately according to artificial selection, picture window size, determine the focal length of sharing lens, field angle and back apex distance, focal length 〉=cornerwise the length of maximum picture window, it is whole edges of diameter circle that field angle should be able to cover with this diagonal line, back apex distance should be greater than the movement locus of improved single-lens reflex camera reflective mirror, F 〉=2.8, the eyeglass multicoating is established iris ring, the aperture grade is set by national standard, adopts prior art that the photometry element system is set in the camera lens.During projection work, pull down the camera and projector door, projection light-source system plug connector 4 changes the outfit in this position, make its light source primary optical axis perpendicular to the main optical path of sharing lens optical axis with projection picture window center, intersection point place two light paths, be provided with one with light source main optical path and camera lens optical axis and projection picture window center main optical path all be 45 and with the vertical plane mirror of main frame, after 90 ° of light beam of light source refractions, project the picture window center, adjust light source position, make the hot spot at picture window place reach the projection conditional request.During amplification, adopt the double enlarger technology of doing of existing camera to solve.Because the present invention's one machine four-function when changing duty, must be adjusted to region of interest the position of selecting operating mode, specifically need to adjust the position and see attached list one.Use in order to adapt to amateurish popularizing, guarantee each operating mode reliable working performance, the present invention has designed the complete machine electrical and electronic circuit that prevents maloperation between each operating mode, sees Fig. 2, and all duty shows by LED, guarantees that a machine four-function is accurate.Power supply 6 is made up of alternating current-direct current two part power supplys, places two respectively independently in the knapsack, sees Fig. 1, uses separately, to adapt to the needs of different occasions.

The present invention is based on towards the whole society, aim at and satisfy the needs that amateur universal development is used, a kind of brand-new process photography, projection, photograph, amplification four-function machine are provided, and it is compared with existing kinematograph, film projector, camera, enlarger, has following six big distinguishing features:

1, simple in structure, dependable performance, a machine four-function, using method is easy, and volume is little, and is in light weight, and good looking appearance is easy to carry.

2, the complete machine starting material are abundant, and handling ease is with low cost, are suitable for extensively popularizing development and use, and can satisfy the practical work record that each model of the whole society is raised especially, and technical information exchanges, and visiting and learning is gone sightseeing, multiple requirements such as life souvenir.

3, the various types of the present invention all use the sensitive film of China's standard specification, the source of goods is extremely abundant, especially the arrow gauge film selected for use of process photography, cheap, when employing has the reverse-flush technology, particularly use common black-and-white negative stock, the direct reverse-flush of the negative movie film of having taken can be become positive, use for projection, no longer shellfish is examined in developing and printing; When common 135 egative films are selected in photograph for use, during the half range specification, the enlarging function that cooperates this machine, be scalable sample,, can amplify the photo of different size again on demand for screening, flushing is amplified if oneself be unwilling, particularly color negative film can directly be delivered to flushing society, develops by normal 135 films, every photo after enlarging and print, can obtain two width of cloth specifications is the photochrome of 87 * 63mm, and the utilization factor of egative film and photo is doubled, and expense reduces half, to truly having the egative film of value, can amplify separately, promptly economy is practical again, and it will meet current national conditions of China and people's hope at heart more.

So 4, because cinefilm specification, picture window specification, photography, projection frequency that the present invention uses all adopt national standard, can be general mutually with the film that the present invention takes and shows with professional film, enlarged use interchange scope.

5, projection of the present invention, amplification operating mode can doublely be made slide projector and use.

6, projection condition is easy, and the projection place meets popular requirement, in any place that the alternating current 220V power supply is arranged, and in any normal room, or use the 12V large-capacity battery, can show; Audio playback equipment uses the normal domestic sound-track engraving apparatus, does not need specialized equipment, and without special training, everybody can.

Description of drawings:

Fig. 1 is monnolithic case figure of the present invention.

Fig. 2 is a complete machine electronic apparatus controlling party block diagram.

Fig. 3 takes the photograph to put composite device synchronous start point desired location figure.

Fig. 4 is that shared dimmer blade is shut down anchor point desired location figure.

Fig. 5 is that shared dimmer blade is shut down positioning circuit.

Blade greatest limit opening angle synoptic diagram when Fig. 6 is photography.

Blade least limit opening angle synoptic diagram when Fig. 7 is photography.

Fig. 8 is the schematic perspective view of structure of the present invention, wherein: D ₁Be to photograph, show main motor, Z ₁-Z ₄Be increase gear, Z5 worm screw, Z6 worm gear, Z7 transmission gear, Z8 neutral gear, Z9, Z10 clutch speed-changing slide teeth wheels, Z11, Z12 clutch transmission gear, Z13, Z14 spiral gear, Z15, Z16 worm gear system, the comprehensive sprocket of Z17,57 take the photograph the condition of knocking off selects lever, D ₂Motor, Z ₁₈～Z ₂₂Reduction gearing.Z23 engaging power gear, 55 dogs, 38 clutch insulating trips, K ₁～K ₅And r _a～r _fBe the contact strip of electric contact group, K _AxleBe C shape opening electric contact, 32 picture rates, projection selection mechanism executive button, 32 and 34 is the consubstantiality lever, K _LH2-1And K _LH2-2Be travel switch, Z24 is a control gear, Z25 monodentate counter thumb wheel, Z26 counter gear, Z27 and Z30 consubstantiality gear, the Z28 shaft gear that takes up, Z29 six gear wheel gears, 44 tipping bucket type reflective mirrors, 45 6 gear wheels, 46 shutter actuating levers, 47 counter ratchets, 48 zero levers that open the door back, 49 driving levers, 10 focusing screens of finding a view to photograph, 11 focusing screens of finding a view of taking a picture, 12～17 right-angle prisms, 14 right-angle steering prisms, 18,19 eye lens groups, 56 rotary seats, 53,54 spacing shelves, the rotation axis of B rotary seat 56, the lever on the F rotation axis B, Fig. 9 shows light-source system plug connector 4 synoptic diagram, 20 bromine tungsten-arc lamp bulbs wherein, 21 cold reflectors, 22 heat-protecting glasses, 23 plane mirrors, 24 metal shells, 25 interfaces, 26 adjustable lamp sockets.

Figure 10 film gate improves synoptic diagram.

Figure 11 photographic frequency, speed, projection selection mechanism control circuit figure, wherein K ₂₄, K ₁₆, K ₁₂, K ₈, K _ProjectionBe respectively photographic frequency and projection selection key normally opened contact, K _{Projection 2}Be K _ProjectionThe interlock normally closed contact, LED is the luminous demonstration of each operating mode, J ₈Relay, D ₂Motor, K _J8Be J ₈Normally opened contact, 3K is the LED current-limiting resistance.

The shared dimmer opening angle of Figure 12 identification electric contact group structural representation, 33 bronze medal slip rings wherein, 34 opening copper slip rings, 35 are provided with the nylon insulating trip of flange, 36 not flanged nylon insulating trips, 37 benchmark register pins, 38 clutch insulating trips, 39 clutch grooves, Φ a～Φ e opening angle pilot hole.

Figure 13 is shared dimmer opening angle identification electric contact group, and each opening copper slip ring assembling orientation angle launches synoptic diagram, wherein: K ₁-K ₅, r _a-r _fContact strip; 101,103,105,107,109 is respectively the opening copper slip ring of assembling by predetermined angular 34; 102,104,106,108,110 is respectively copper slip ring 33.

Figure 14 is K _AxleC shape opening electrocontact structure figure, wherein: 40 nylon insulation axle; 41C shape opening copper ring; 42 elasticity electric contact sheets; 43 with shared dimmer main shaft gib screw.

Figure 15 is main body 3 camera lens slideway structure synoptic diagram of the present invention, wherein: 50 horizontal integral type slideways; 51 shading covers; 52 camera lens slip positioning stroke switch, the 9 dull and stereotyped lens mounts of slidably locating.

Exemplary embodiments of the present invention.By the technology of the present invention content design process photography and motion picture projection composite device 1, improved single lens reflex type camera 2 and four-function machine main body 3, projection light-source system plug connector 4, amplification optical light source plug connector 5 and annex and power supply 6, sharing lens 7, shared view finder 8 and electronic apparatus control circuit (see figure 2), the present invention simultaneously adopts following prior art device again, as electronic metering table in the machine, X-flash, the wireless remote control filming apparatus, self-timer, frequency meter, frequency trim device, counter etc.

Whole in addition parts of present embodiment press the processing technology of accompanying drawing design and establishment and are processed, and install then, debug, meet technical standard after, be delivered for use.

When using operation, the unloaded test-run a machine of energized at first, press operating mode selection key in the subordinate list one, the luminous indicating operating status of redness or green LED is promptly arranged, normally can work as this operating mode of the bright explanation of green LED, the bright expression of red LED is undesired, and complete machine can not be worked by circuit control, adjusts the red formal load work of green bright ability of going out in back.

Embodiment one:

According to the aim of amateur universal use and light principle, decision process photography and motion picture projection all use the common film arrow gauge film of China standard 16mm, single, double toothrow hole sheet all can use, photography picture window specification is 10.2 * 7.42mm, projection picture window specification is 9.6 * 7.0mm, take a picture and consider current people's hope at heart and economic situation, decision selects for use people to like best 135 type 35mm films of use.But the half range specification, the picture window still is accustomed to horizontally set by people, and specification is 17 * 24mm, and 16mm that amplification use the present invention takes and 35mm half range specification egative film or other picture diagonal line are not more than the egative film of 29.4mm, and sharing lens is selected the 4th group of test shut for use.Take the photograph the power drive system of putting in the composite device 1 and see Fig. 8) by gear Z1-Z6(, make claw axle rotating speed reach 1440r/min, (24 lattice/second), the helix angle of worm screw Z5 be 5 ° 43 ', drive by the motor force end, worm gear Z6 end drives shared dimmer main shaft by gear Z7-Z14, takes the photograph to put and selects lever 57 control clutch speed-changing slide teeth wheels Z9, Z10 makes its Z9 and Z12 engagement when selecting the photography operating mode, Z10 separates with Z11, speed ratio is 2: 1, when selecting the projection operating mode, and Z10 and Z11 engagement, Z9 separates speed ratio with Z12 be 1: 1, adjust Z11, the relative fixed position of Z12 on axle meshed afterwards earlier it and separated, and Z13 is identical with the Z14 number of teeth, Z15-Z17 is a reduction train, make Z17 when 24 lattice/second frequency, 2r/s, comprehensive film advancing wheel 12 teeth.Improved film gate is in the accurate position of the existing relative sheet frid with the compressing tablet door of video camera film pressure plate exposal window mouth, respectively open a projection picture window and shading hole, the center of three windows overlaps with camera lens optical axis, be converted into a slide damper 27 that can encase compressing tablet door 28 with thin elastic sheet metal again, see Figure 10, plate washer is through the black processing of oxidation, hand 31 as the plate washer top curves elasticity registration arm 30 and operates, dash a positioning convex 29 in registration arm 30 upper ends, when slide damper 27 is in complete shield and expose two positions of light hole fully to the open air, at compressing tablet door relative resilient projection 29 places, each bores a recess, makes projection 29 be pressed in location in the recess by metallic elastic.Shared dimmer blade diameter D=72mm, base footpath ro=17.5mm, leaf lobe operating angle α _Po=80.5 °, photographic frequency, speed, projection select class and relative blade openings angle to see attached list two.Projection shading factor η=0.5528, α _Max=66.5 °, α _Min=23 °, photographic frequency, speed, projection selection mechanism are by control circuit Figure 11 and control panel (subordinate list two), shared dimmer opening angle identification electric contact group [K ₁-K ₅; r _a-r _f; 33,34,35,36,37,38,39], carry out knob 32, travel switch K _LH2-1, K _LH2-2, motor D ₂, train of reduction gears Z18-Z23 controls; Each sheet opening copper ring assembling orientation angle sees that Figure 13 launches synoptic diagram in the wherein shared dimmer opening angle identification electric contact group.During operation,, press again and carry out knob 32, motor D as long as press the photographic frequency button and the picture rate button of selection ₂Promptly drive shared dimmer mandrel and make the primary blades rotation; when reaching preselected angle; auto stop; corresponding LED luminous indication host work frequency and picture rate; projection selects only to adjust the opening angle of shared dimmer; the projection frequency is selected on demand again and is pressed photographic frequency button, photographic frequency main control system frequency of operation.Improved single lens reflex type camera 2, utilize 135 type cameras of existing tipping bucket type shutter structure to make vertical structure into, see Fig. 8, machine driven system is also utilized former machine meshing relation, former machine takes up shaft gear Z28 when changeing 360 °, six bearing pin gear Z29 drive the long film of six gear wheels, 45 output 38mm, now add consubstantiality gear Z27, Z30, make Z27 and Z28 engagement, but the gear ratio Z28 of Z27 lacks half, the number of teeth of Z30 is identical with Z28, the double plectrum wheel of doing of Z30, like this, when Z30 changes 360 °, can make Z28 change 180 °, six gear wheels, 45 output 19mm films; Former machine gear Z24 is a control film trasport length, shutter winds up and pulls the trigger the control wheel, its revolution is finished a working cycle for 360 °, former machine Z24 is located at the axle below that takes up, be the Installation and Debugging convenience, now Z24 is changeed 180 ° of installations, make whole gears all in a side, Z24 and Z30 engagement, and the number of teeth is identical, like this, when Z30 dials when changeing 360 °, can make Z24 also keep former machine duty, performance is constant, and only export the long film of half range, still, because after camera changes vertical structure into, the thick stick 49 of dialling on former machine shutter actuating lever 46 and the tipping bucket shutter differs from 90 ° from the position, so need former machine shutter actuating lever 46 lengthenings, widen, curve 90 ° and keep former machine relative position and technical requirement.Main body 3 usefulness black ABS plastic are pressed the design drawing thermoplastic shaping, and in the main body 3 of all packing into behind the electric control element assembly and adjustment, control assembly all is contained in main body 3 surfaces, is convenient to observe the position of operation.Two knapsacks of 6 fens AC and DCs of power supply adapt to different occasion needs, use separately.If when only using a kind of operating mode of camera, can not use power supply 6, and only use No. 5 general dry batteries of two joints to get final product.

Embodiment two is a ultralight series, and the 8.75mm substandard film is selected in photography, takes a picture and selects 16mm monorow tooth mesoporous film negative film for use, and the picture specification is 11.5 * 17.25mm, and the focal length of sharing lens is f=20mm, and other designs are all identical with content of the present invention.

Embodiment three, change camera lens into zoom lens, and other can adopt embodiment one or two, but because zoom lens's effective aperture is all less, so screen distance is difficult for above 4 meters.

Embodiment four, make the sharing lens seat 9 of the location of sliding into rotary type tower, sharing lens changes into to take the photograph puts special lens, photography, photograph, use zoom lens, heavy caliber projection or enlarging lens are used in projection, amplification, can reach scene continually varying specialty effect, and other are identical with embodiment one, two.

Subordinate list 1

Operating mode selection operating mode index lens location is taken the photograph and is put clutch

Photography zero ● 00

Projection zero ● 00

Photograph zero ●

Amplify zero ●

: operating mode selection key

● green LED

Zero red LED

Subordinate list 2:

66.5 ° 48 ° 34.56 ° 23 ° of opening angles

Picture rate is selected

Picture rate

Frequency and projection are selected

24 lattice/second 1,/65 0 1,/90 0 1/,125 0 1/188

16 lattice/second 1,/43 0 1,/60 0 1,/83 0 1/,125 zero

12 lattice/second 1,/32 0 1,/45 0 1,/62 0 1,/94 zero

8 lattice/second 1,/22 0 1,/30 0 1,/41 0 1,/63 zero

Projection zero carries out button: K _LH2-1◎

Annotate: the selection key

Zero red LED

Claims (10)

1, a kind of process photography, projection, photograph, amplification four-function machine, it is characterized in that by process photography and motion picture projection composite device 1, with improved single lens reflex type camera 2, form main body 3 of the present invention, again with projection light-source system socket fitting 4, amplify light source optical system plug connector 5 and amplify annex and power supply 6 is formed the integral body of four-function machines, wherein photograph, take a picture and all use same set of no parallax, upright, the shared finder 8 that amplifies, camera lens selects to have dual mode:

A. same sharing lens 7 is all used in process photography, projection, photograph, amplification, and it can be the above ordinary camera camera lens of secondary; Also can in zoom lens;

B. process photography, photograph, the same zoom lens of use are shown, are amplified and use another heavy caliber to amplify or projection lens.

2, four-function machine according to claim 1, it is characterized in that taking the photograph that to put composite device 1 be by same set of improved mechanical power transmission system, same improved film gate, sheet symmetric double opening reflecting type variable shutter is done shared dimmer and a cover control process photography synchronization in the time of same set of improved pair, the synchronous playback circuit of projection is formed the normal domestic sound-track engraving apparatus of audio playback equipment use all size model.

3, four-function machine according to claim 1 is characterized in that improved single lens reflex type camera 2 is vertical structures, picture window horizontally set, and spool for film is upper and lower to be horizontally disposed with, and find a view focusing screen 11 and right-angle prism 13 are set between film trasport axle and picture window.

4, four-function machine according to claim 1, it is characterized in that main body 3 is by the north moulding of engineering plastics heat, composite device 1 is horizontal with improved camera 2 composition mode best level, also can be vertically vertical, take the photograph and put width of cloth window film guide rail plane and camera picture window film guide rail plane at grade, and two picture window centers are on same horizontal line, the camera lens front cover portion of composite device 1 and camera 2 is made horizontal integral type slideway 50, and the film guide rail plane parallel at slideway plane and two picture window places is provided with two lens location positioning stroke switch 52 at slideway 50 rears.

5, four-function machine according to claim 1, it is characterized in that described photography and the shared view finder 8 of taking a picture is by the focusing screen 10 of finding a view to photograph, the photograph focusing screen 11 of finding a view, right-angle prism 12,13,15,16,17, right-angle steering prism 14, take back mirror group 18,19 form, lens mount 9 is in the slip position fixing process, drive a right-angle steering prism 14 that can change 90 ° by glide direction, prism 14 is to drive down by the lever on the rotation axis 8 of the rotary seat 56 that is located at 1/2 place, prism inclined-plane, rotating shaft 8 is located at photography, photograph right-angle prism 12 separately, 1/2 S of place point of 13 center refraction optical path distance line, village's mirror 14 is by spacing shelves 53,54 is spacing.

6, four-function machine according to claim 1, shared dimmer greatest limit angular aperture α when it is characterized in that photographing _Max=180 °-(α _Po+ ∠ zoa+ β+Φ ₁), least limit opening angle α _Mia=180 °-(2 α _Po-Φ _Min), picture rate is at α _Max～α _MinBetween set.

7, four-function machine according to claim 2, it is characterized in that adding in the mechanical power transmission system helix angle and be 5 ° 43 ' the mechanical self-latching type spiral shell wheel kinematic train of screw rod 25, motor side drives screw rod, spiral shell wheel end drives shared dimmer main shaft.

8, four-function machine according to claim 2, it is characterized in that improved film gate is the accurate position at the existing relative sheet frid of video camera compressing tablet door exposal window mouth, respectively open a projection picture window and light hole, overlap with camera lens optical axis, be converted into a slide damper 21 that can encase compressing tablet door 28 with thin elastic sheet metal again, baffle plate is through oxidation processes, the plate washer top curves elasticity registration arm 30 and operation spanner 31, dash a positioning convex 29 in registration arm 30 upper ends, when slide damper 27 is in complete shield and expose two positions of light hole fully to the open air, a recess is respectively bored at 29 places in compressing tablet door relative resilient projection, makes 29 of projection be pressed in location in the recess by metallic elastic.

9, four-function machine according to claim 2, it is characterized in that shared dimmer is taken the photograph simultaneously and knock off that condition selects the control of machinery and photographic frequency, speed projection selection mechanism to take the photograph to put selection mechanism to select lever 57 to control clutch speed-changing sliding point gear sets 29,210 by taking the photograph to put, make its 29 and 210 engagements when selecting the photography operating mode, 210 separate with 211, speed ratio is 2: 1, when selecting the projection operating mode, 210 and 211 engagements, 29 separate with 2n, speed ratio is 1: 1, by adjust 211, relative fixed position, the control gear of 2n on axle mesh afterwards earlier and separate; Photographic frequency in photographic frequency, speed, the projection selection mechanism, control by electronic speed-regulating circuit, picture rate, projection selection mechanism are to discern electric contact group, executive button 32, travel switch K by Figure 11 control circuit and accompanying drawing 2 control panels, shared dimmer angular aperture _LH2-1, K _LH2-2, motor O ₂, 218～223 compositions of train of reduction gears.

10, four-function machine according to claim 2 is characterized in that having set shared dimmer vanes fixed position and shuts down anchor point 2 and projection synchronous start point A, and ∠ zoa=1 °, it is by vanes fixed position halt circuit Fig. 5 and K switch _AxleControl.

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