US3702406A - Fluid operated control apparatus responsive to sensing a plurality of members containing one of two codes - Google Patents

Fluid operated control apparatus responsive to sensing a plurality of members containing one of two codes Download PDF

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Publication number
US3702406A
US3702406A US88033A US3702406DA US3702406A US 3702406 A US3702406 A US 3702406A US 88033 A US88033 A US 88033A US 3702406D A US3702406D A US 3702406DA US 3702406 A US3702406 A US 3702406A
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United States
Prior art keywords
fluid
switch
sensing
cartridge
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US88033A
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English (en)
Inventor
Gerald J Sukel
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Eastman Kodak Co
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Eastman Kodak Co
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Publication date
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/001—Circuit elements having no moving parts for punched-card machines ; for typewriters ; for keyboards; for conveying cards or tape; for conveying through tubes ; for computers ; for DC-AC transducers for information processing ; for signal transmission
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/02—Methods or arrangements for sensing record carriers, e.g. for reading patterns by pneumatic or hydraulic means, e.g. sensing punched holes with compressed air; by sonic means ; by ultrasonic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S200/00—Electricity: circuit makers and breakers
    • Y10S200/05—Fluid pressure: fluid amplifier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2065—Responsive to condition external of system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/212—System comprising plural fluidic devices or stages
    • Y10T137/2125—Plural power inputs [e.g., parallel inputs]

Definitions

  • Fluid operated apparatus for controlling the operation of a device actuator that is connectable in an electric circuit and adapted to be energized in response to sensing of the presence of a particular coding on a film cartridge or other member.
  • Fluid operated means senses the coding on a cartridge and selectively con- ,trols the application of fluid pressure to a fluid.
  • the switch is opened or closed according to the coding sensed.
  • Electrical contacts of the switch are connectable in a circuit including the ,device to be controlled so that the device is operated only in responseto the presence of a cartridge having a particular code thereon.
  • the apparatus is adapted to sense two particular cartridge codes and to operate a punch used to strip film from the cartridge only when a conditioning switch on a film processor indicates that the processor is set to handle the film type that is in the cartridge.
  • the beforementioned copending application discloses a film processor thatis adapted to handle two different types of films.
  • a switch in the processor is set to either of two operative-positions so that when a cartridge containing film is presented, suitable cartridge sensing means cooperate with that switch to permit operation of adevice for extracting film from the cartridge only if the switch is set at a position that-condi-- tions the apparatus for handling the type of film sensed by the cartridge sensing means;
  • the present application tion' is to provide such apparatus which is fluid operated and whereinonly slight pressure need be exerted for sensing.
  • apparatus for controlling the operation of a device in member.
  • the apparatus includes fluid operated electrirelatesto a particular apparatus for sensing a particular code or codes on cartridges, andfor cooperating with the switch disclosed in the copending application for actuating the device, such as a punch or the like.
  • prior film processing film apparatus have relied primarily on an operator visuallydetermining the Also, such manual detection of aparticular film type is 4 filmtypes andsubstan'tially I00 percentaccuracy in detection of the type of film being fed to the apparatus.
  • Mechanical and photoelectric sensing devices are not altogether suitable for sensing film cartridges due to lack of reliability over long periods of operation and/or danger of exposing film to alight beam.
  • an object of the invention to provide fluidic apparatus for controlling the operation of a device, such as a portion of a film processor, in response to the sensing of the presence of a member having thereon means defining a code identifying the member so that the device is operated only when the proper-code is sensed by the apparatus; and to provide such apparatus that is capable of sensing more than one code and for cooperating'with a multi-p'os'ition switch paratus of the invention a device;
  • cal switch means having a fluid inlet and having means communicating withthe inlet for changing the switch means from one stateto another state in response to fluid pressure conditions atthe inlet.
  • the switch means means on said member and for varying the fluid presin response tosuch sure condition at the fluid inlet sensing.
  • FIG. 1 is a schematic view of fluid operated apfor controlling the operation of FIG'. 2 is an enlarged detail view showing a portion of the apparatus for sensing coding on a camera cartridge or the like;
  • FIG. 3 is a view similar to FIG. 2 showing a cartridge or other member being sensed by the apparatus.
  • FIG. 4 is a fragmentary view of a camera cartridge having coding thereon, defined by notches that can be sensed by using the apparatus of the invention.
  • the preferred embodiment of the apparatus of the invention is disclosed in connection with film processing apparatus of the general type disclosed in the commonly assigned, copending U.S. Pat. application entitled FILM PROCESSING METHOD AND APPARATUS, Ser. No. 820,379, filed on Apr. 29, 1969 in the name of James L. Hart et al., now abandoned in favor of continuation application No. 126,979.
  • apparatus for processing films of various types is disclosed in the commonly assigned, copending US. Pat. application Ser. No. 61,594, entitled FILM PROCESSING; APPARATUS FOR PROCESSING FILMS OF DIFFERENT TYPE, filed on Aug. 6, 1970 in the name of'Einar W. Jensen.
  • the latter application discloses a film processor apparatus having two chambers for processing liquids, one of which is used for processing a film of one type or ASA number, and the other of which is used for processing film of a-different type or ASA number.
  • a film processor apparatus having two chambers for processing liquid
  • the processor may handlelfilms having film speed ratings ofeither ASA" 40 or ASA by selectively passing film through one or the other of the chambers.
  • a conditioning switch such as shown at in the present application, is set to either one of two closed positions wherein a movable switch member 12 is brought into engagement with a switch contact 14, or alternatively, a switch contact 16.
  • Switch member 12 is connected to a source of electrical potential, such as by an electrical connector 18.
  • an electrically energizable device shown schematically at 20.
  • the device 20 may be, for example, an electrically operable punch device such as disclosed'in the'commonly assigned copending U.S. Pat. application Ser. No. 813,526, filed Apr. 4, 1 969 in the names of Robert C. Sutliff and Archie J. Tucker,
  • the punch device described in that application is operable to penetrate the side walls of a-filrn cartridge such as shown in FIG. 4 for disabling an antibackup mechanism (not shown) within the cartridge, thereby to permit extraction of film from the. cartridge through an exposure aperture in the cartridge;
  • the apparatus of the present invention is adapted to sense the coding on a'cartridge that is indicative of characteristic offilm in a cartridge presented to such film processing film cartridge generally designated 22.
  • the cartridge has an end wall 24 withan aperture 26 therein through whichfilm F in the cartridge can be exposed and through which film can be extracted from the cartridge in the manner described in the.
  • Notch 28 conventionally designates the ASA film speed or rating of the film contained within the cartridge.
  • Notch 30 normally is used as a product identification notch, and it is this notch that is sensed by apparatus of this invention.
  • the presence of a notch as shown at 32 indicates that the cartridge is loaded with film that requires exposure by artificial light.
  • the cartridge can be provided with a centrally-located slot 34 that is used for positioning the cartridge accurately in a camera or in film processing apparatus.
  • the apparatus of the present invention comprises a manifold 40 having a fluid inlet 42 through which air or other gaseous fluid under pressure is adapted to be furnished to the manifold from a supply line diagrammatically shown at 44.
  • the manifold has a plurality of outlet ports or openings 45 that preferably are equally spaced along the length of the manifold. Four such ports or outlets are illustrated in the drawings; however, more or fewer ports can be provided, depending upon, the variety. of codes to be sensed by the apparatus.
  • Each of the outlet v 56 to a fluidic-to-electric switch generally designated conduit normally is open to'permit venting of fluid from the manifold throughthe various passages.
  • conduits 46-52 can be used to determine the presence of a cartridge having a particular arrangement of code notching indicative'of a film .type or characteristic.
  • the cartridge is shown positionedv directly against one end of conduits 46-52.
  • these conduits may be connected to a cartridge holder (not shown) that locates end wall 24 of the cartridge properly for fluid sensing by the apparatus of the invention and for stripping of film from the cartridge.
  • Each conduit 48 and 50 has at its right end two branch passages 48b, 48c and 50b and 500.
  • the right end of passages 46, 48b and 50b are connected to a fluidic device 56, and the right end of fluid passages 50c, 48c and 52 are connected to a similar fluidic device 58.
  • the fluidic devices 56 and 58 are preferably conventional fluidic industrial control modules known as OR/NOR gates that are available from various industrial sources, including the-Fluidic Products Department, Corning Glass Works, Corning, New York.
  • Device 56 has a fluid inlet connected via conduit 60 to the source 44 of fluid under pressure.
  • the device 56 has two fluid outlets connected to a fluid vent 62 and to aconduit or fluid passage 64.
  • the apparatus is intended to sense cartridge coding that either blocks conduit end 46a and leaves unblocked conduit ends 48a, 50a and 52a or blocks end 52a and leaves ends 46a, 48a and 50a unblocked.
  • code sensing'conduits 46 and 52 may be considered control conduits.
  • conduits 46, 48, 50 and 52 may be controlconduits.
  • conduits 48 or 50 permit sensing of additional film types.
  • Passage 64 couples the output of the OR/NOR gate entering the device 74 through 'passage76 is vented through a first outlet to a passage or conduit 78. However, when there is an increase in fluid pressure in passage 64 due to an increase inthe fluid pressure in the control passage 46, then fluid entering device 74 through conduit 76 is discharged from the device into a passage or conduit 80.
  • v i 1 Passages 78 and 80 are connected to a double pole, double throw, diaphragm-operated electric switch generally designated 82 andcornprising a firstpair of electrical contacts 84d and-84band a second pairof electrical contacts 86a and 86b.
  • a switch contact member 88 which isunormally spring biased against electrical contacts-84a and 84b to completea circuit therebetween, can be moved to the left (as viewed in FIG. 1) into engagement .with contacts 861: and 86b, thereby to establish electrical contact between such contacts and to terminate the electrical contact betweenthe contact members 84a and 84b.'Thismovement of the switch member against itsspring bias to change the switch from one state to another is achieved in response to an increase in fluid pressure in passage 80. When fluid under pressure is directed from device 74 into passage 78, the resulting increase in fluid pressure at the left side of the diaphragm or switch member (and the corresponding decrease in pressure in line 80) helps the switch spring move the contact member to the position shown in FIG. 1 and maintain'the switch closed to contacts 84a, 84b.
  • a second fluidic-to-electric switch is generally designated 90 and it is similar in constructionand under pressure furnished to devices 56 and 58 from.
  • Switch 90 comprises afluidic device 92 that normally receives at its inletfluid under pressure through conduit or passage 94 and the fluid pressure source 44. Normally, this fluid is discharged to a conduit orpassage 96. Device 92'also is connected to passage 70 so that an increase in fluid .pressure inv passage-70 deflects fluid entering the device through passage 94 and provides such fluid into a control conduit or passage 98. Switch 90 furtherincludes a first pair of electrical contacts 100a, 100b and a second pair construction to the switch 72 except that the contacts 100a and 102a are electrically interconnected by a conductor 106.
  • Contact 84a of switch 72 is connectedby a'conductor 108 to terminal or contact 14 of switch 10, and the other terminal or contact 16 of switch 10 is connected by conductor 1 10 to contact 86a.
  • Contact 84b of switch 72 is connected by-a conductor 112 to contact 102b of switch 90, and. switch contacts 861) and 100b are interconnected'by a conductor 114. Switch contacts 100a and 102a are connected to the device 20 by conductor 116.
  • the apparatus of the present invention verifies presorting of cartridges and permits operation of the actuator only when the cartridge presented is notched to indicate a film type or characteristic that corresponds to the setting of the conditioning switch 10 of the film processor.
  • the apparatus of the invention is particularly desirable for sensing a code where photoelectric or mechanical systems are not desirable.
  • each of said switches having (1) two pairs of electrical contacts, (2) a fluid inlet for receiving fluid under pressure, (3) a movable member for completing a circuit between one or the other of said pairs of contacts in response to fluid pressure conditions at said inlet, and (4) means operably associated with said member for moving saidmember to selectively open and close the circuit between said pairs of contacts in response to fluid pressure conditions at said fluid inlet, said contacts being adapted to be connected in a circuit including said device and said conditioning switch;
  • each of said gates having (1) a fluid inlet adapted to be connected to a source of fluid under pressure, (2) a first fluid outlet through which fluid from the inlet normally is discharged, (3) a second fluid outlet, and (4) a second inlet adapted to receive fluid under pressure and to effect dischargeof fluid from the gate through the second outlet, the second fluid outlet of a first one of said gates being connected to the inlet of one of said switches and the second fluid outlet of a second one of said gates being connected to the fluid inlet of the other of said switches;
  • an electrical circuit comprising first and second fluidic-to-electric switches adapted to be connected for regulating operation of the device, each of said fluidic-to-electric switches having (1) means for receiving a fluid under pressure and (2) electrical switch means changeable from a first state to a second state in response to pressure conditions of a fluid furnished to the fluid receiving means, said switches being electrically connected in the circuit so that the device can be energized if one of the switch means is in its second state; means for controlling the states of said switch means comprising (1) means for sensing each of the two codes and (2) means coupling said sensing means to the fluid receiving means of said fluidic-to-electric switches for (a) effecting a change in the con-, dition of the fluid furnished to said first fluidic-toelectric switch tochange itsswitch means to its second state in response to sensing the presence of one of the codes and (b) effecting a change in the condition of the fluid furnished to said second fluidic-to-electric switch to change its switch means to its second state in response to sensing the presence of one of the
  • the means for controlling the state of said switch means comprises a fluid-operated device'having (1) an inlet for receiving fluid, (2) a first fluid outlet through which fluid normally is vented from the device, and (3) a second fluid outlet through which fluid can be discharged from the device in response to fluid pressure conditions at the inlet, the second fluid outlet being connected to said switch means.
  • said means for controlling the states of said switch means comprises two fluidic OR/NOR gates, each of said gates having (1) a fluid outlet connected .to said receiving means of one of said switch means and (2) a fluid inlet connected to said sensing means for receiving fluid from said sensing means, said gates being operable to provide fluid under pressure to said switches in response to the sensing of a member containing one of said codes.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
US88033A 1970-11-09 1970-11-09 Fluid operated control apparatus responsive to sensing a plurality of members containing one of two codes Expired - Lifetime US3702406A (en)

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US8803370A 1970-11-09 1970-11-09

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US (1) US3702406A (enExample)
DE (1) DE2155665A1 (enExample)
FR (1) FR2112539B1 (enExample)
GB (1) GB1372387A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001343A1 (en) * 1983-09-12 1985-03-28 Eastman Kodak Company Acoustic position sensing apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944558A (en) * 1958-07-07 1960-07-12 Honeywell Regulator Co Controller
US3051872A (en) * 1958-10-07 1962-08-28 Robert D Cowherd Electropneumatic control circuit
US3270960A (en) * 1964-09-11 1966-09-06 Sperry Rand Corp Fluid sensor
US3317039A (en) * 1965-02-25 1967-05-02 Walter G Wadey Weighing and sorting device
US3427417A (en) * 1966-06-15 1969-02-11 Henry F Hope Air pressure actuated switch for controlling the operation of a motor
US3509898A (en) * 1965-08-03 1970-05-05 Ite Imperial Corp Fluid amplifier
US3534329A (en) * 1967-09-18 1970-10-13 Fairchild Camera Instr Co Fluid-pressure sensor for two independent fluid supplies
US3542049A (en) * 1967-07-11 1970-11-24 Omron Tateisi Electronics Co Proximity detector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944558A (en) * 1958-07-07 1960-07-12 Honeywell Regulator Co Controller
US3051872A (en) * 1958-10-07 1962-08-28 Robert D Cowherd Electropneumatic control circuit
US3270960A (en) * 1964-09-11 1966-09-06 Sperry Rand Corp Fluid sensor
US3317039A (en) * 1965-02-25 1967-05-02 Walter G Wadey Weighing and sorting device
US3509898A (en) * 1965-08-03 1970-05-05 Ite Imperial Corp Fluid amplifier
US3427417A (en) * 1966-06-15 1969-02-11 Henry F Hope Air pressure actuated switch for controlling the operation of a motor
US3542049A (en) * 1967-07-11 1970-11-24 Omron Tateisi Electronics Co Proximity detector
US3534329A (en) * 1967-09-18 1970-10-13 Fairchild Camera Instr Co Fluid-pressure sensor for two independent fluid supplies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001343A1 (en) * 1983-09-12 1985-03-28 Eastman Kodak Company Acoustic position sensing apparatus

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FR2112539A1 (enExample) 1972-06-16
GB1372387A (en) 1974-10-30
DE2155665A1 (de) 1972-05-10
FR2112539B1 (enExample) 1976-04-30

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