Photographic apparatus

Claim 2

A photographic camera comprising: a. an exposure station; b. operating means for making an exposure at said exposure station; c. means for receiving an elongate composite web of photographic material including (1) a strip of film having exposure frames and being perforated at predetermined metering intervals and (2) a strip of radiation protection material having a discontinuity near the trailing end of said film strip d. means for advancing a received composite web of film and protection material past said exposure station to successively locate the exposure frames at said exposure station; e. means for actuating said operating means; and f. a metering mechanism including 1. a pawl member having a pawl tooth engageable with the filmstrip and movable from a first position in which said tooth engages the filmstrip to a second position in which said tooth senses a perforation and to a third position in which said tooth senses the protective material strip discontinuity, 2. means operatively coupling said pawl member with said advancing means, for disabling said advancing means in response to movement of said pawl member to said second position, 3. releasing means, operatively coupling said pawl member with said actuating means, for enabling actuation of said operating means when said pawl member is in said second position and for preventing actuation when said pawl member is in said first position, said releasing means including means for moving said pawl member from said second position to said first position to enable filmstrip advancement, and 4. means responsive to movement of said pawl member to said third position for preventing actuation of said operating means and for disabling said advancing means.

Claim 3

The camera according to claim 1 wherein said pawl member is movable upon sensing perforation from said first position through an intermediate position in which said pawl tooth partially enters the perforation and from said intermediate position to the second position in response to movement of the filmstrip a predetermined amount in the direction of filmstrip advancement, and said releasing means withdraws said pawl tooth from the metering hole and returns said pawl member to said first position.

Claim 4

means operatively coupling said pawl member with said advancing means, for disabling said advancing means in response to movement of said pawl member to said second position,

Claim 5

means operatively coupling said pawl member with said advancing means, for disabling said advancing means in response to movement of said pawl member to said second position,

Claim 6

releasing means, operatively coupling said pawl member with said actuating means, for enabling actuation of said operating means when said pawl member is in said second position and for preventing actuation when said pawl member is in said first position, said releasing means including means for moving said pawl member from said second position to said first position to enable filmstrip advancement, and

Claim 7

releasing means, operatively coupling said pawl member with said actuating means, for enabling actuation of said operating means when said pawl member is in said second position and for preventing actuation when said pawl member is in said first position, said releasing means including means for moving said pawl member from said second position to said first position to enable filmstrip advancement, and

Claim 8

The camera according to claim 2 wherein said intermediate position is spaced from said first position a predetermined distance in a direction transverse to the direction of filmstrip advancement, and said third position is spaced from said first position in said transverse direction by an additional predetermined distance.

Claim 9

means responsive to movement of said pawl member to said third position for preventing actuation of said operating means and for disabling said advancing means.

Claim 10

means responsive to movement of said pawl member to said third position for preventing actuation of said operating means and for disabling said advancing means.

Claim 11

Apparatus operable to perform a photographic function, said apparatus comprising: means for receiving an elongate film product (1) having a plurality of exposure areas, (2) being perforated at predetermined metering intervals, and (3) having a discontinuity near the trailing end of said film product; an operating station; mEans for advancing the received film product past said operating station to successively locate the exposure areas at said operating station; means, including a member enterable into the perforations in the film product, for sensing perforations in the film product; means responsive to said sensing means for disabling the advancing means to temporarily terminate advancement of the film product; means actuatable for operating the apparatus after advancement has terminated; means for enabling the advancing means to further advance the film product after actuation of said operating means; means, including said member, for sensing the discontinuity in the film product; and means responsive to said discontinuity sensing means for terminating further advancement of the film product and for preventing actuation of the operating means.

Claim 12

Apparatus operable to perform a photographic function, said apparatus comprising: means for receiving an elongate film product (1) having a plurality of exposure areas, (2) being perforated at predetermined metering intervals, and (3) having a discontinuity near the trailing end of said film product; an operating station; mEans for advancing the received film product past said operating station to successively locate the exposure areas at said operating station; means, including a member enterable into the perforations in the film product, for sensing perforations in the film product; means responsive to said sensing means for disabling the advancing means to temporarily terminate advancement of the film product; means actuatable for operating the apparatus after advancement has terminated; means for enabling the advancing means to further advance the film product after actuation of said operating means; means, including said member, for sensing the discontinuity in the film product; and means responsive to said discontinuity sensing means for terminating further advancement of the film product and for preventing actuation of the operating means.

Claim 13

For use with a film cartridge including a supply compartment, a take-up compartment, and an elongate film product transportable from the supply compartment, past an exposure position, and into the take-up compartment, the film product including photosensitive layer and a backing strip superimposed with the photosensitive layer and having a leading end and a trailing end, the backing paper having a discontinuity for indicating the proximity of the trailing end of the film product, a camera comprising: means defining an exposure position; means operable for exposing the photosensitive layer; a trigger actuable for operating said exposing means; means operable for transporting the film product from the supply compartment, past the exposure position, to the take-up compartment; a first member movable between a first position and a second position wherein said first member prevents operation of said transporting means; a second member movable between a first position and a second position wherein said second member locks said trigger against actuation; and a third member operatively coupled with said first and second members for moving said members between their respective positions and for sensing the presence of the discontinuity, said third member being movable from a first position wherein said first and second members are in their first positions, to a second position in response to the sensing of the discontinuity wherein said first and second members are in their second positions.

Claim 14

For use with a film cartridge including a supply compartment, a take-up compartment, and an elongate film product transportable from the supply compartment, past an exposure position, and into the take-up compartment, the film product including photosensitive layer and a backing strip superimposed with the photosensitive layer and having a leading end and a trailing end, the backing paper having a discontinuity for indicating the proximity of the trailing end of the film product, a camera comprising: means defining an exposure position; means operable for exposing the photosensitive layer; a trigger actuable for operating said exposing means; means operable for transporting the film product from the supply compartment, past the exposure position, to the take-up compartment; a first member movable between a first position and a second position wherein said first member prevents operation of said transporting means; a second member movable between a first position and a second position wherein said second member locks said trigger against actuation; and a third member operatively coupled with said first and second members for moving said members between their respective positions and for sensing the presence of the discontinuity, said third member being movable from a first position wherein said first and second members are in their first positions, to a second position in response to the sensing of the discontinuity wherein said first and second members are in their second positions.

Claim 15

Apparatus according to claim 5 wherein said second member is integral with said pawl member.

Claim 16

In photographic apparatus having means for receiving an elongate film product having a plurality of exposure areas and a trailing end portion, a discontinuity associated with each area, and an additional discontinuity associated with the trailing end portion and having characteristics different from the characteristics of each exposure area discontinuity, the combination comprising: an operating station; means for advancing the received film product through said operating station to successively move the exposure areas to said operating station; means for sensing the exposure area discontinuities and responsive to sensing of a discontinuity for disabling the advancing means to terminate advancement of the film product with the exposure area associated with the sensed discontinuity located at said operating station, said sensing and disabling means comprising: a pawl member for engaging the received film product, and movable between a first position wherein said pawl member is in engagement with the surface of the film product, and a second position wherein said pawl member is in engagement with the discontinuity associated with an exposure area and a third position wherein said pawl member is disengaged from the film product, and a fourth position wherein said pawl is in engagement with the additional discontinuity; and a dog member coupled to said pawl member and movable to a position for disabling said advancing means in response to movement of said pawl member to said secoNd position, means actuatable for operating the apparatus after advancement has terminated with an exposure area at said operating station, said operating means including means for moving said pawl means from said second position to said third position and for moving said dog member out of the disabling position, to enable the advancing means to further advance the film product after operation; means for terminating further advancement and for preventing actuation of said operating means, said means comprising: a locking member coupled to said pawl member and movable to a position for preventing actuation of the operating means in response to movement of said pawl member to said fourth position; and means for moving said dog member to said disabling position in response to movement of said pawl member to said fourth position.

Claim 17

In photographic apparatus having means for receiving an elongate film product having a plurality of exposure areas and a trailing end portion, a discontinuity associated with each area, and an additional discontinuity associated with the trailing end portion and having characteristics different from the characteristics of each exposure area discontinuity, the combination comprising: an operating station; means for advancing the received film product through said operating station to successively move the exposure areas to said operating station; means for sensing the exposure area discontinuities and responsive to sensing of a discontinuity for disabling the advancing means to terminate advancement of the film product with the exposure area associated with the sensed discontinuity located at said operating station, said sensing and disabling means comprising: a pawl member for engaging the received film product, and movable between a first position wherein said pawl member is in engagement with the surface of the film product, and a second position wherein said pawl member is in engagement with the discontinuity associated with an exposure area and a third position wherein said pawl member is disengaged from the film product, and a fourth position wherein said pawl is in engagement with the additional discontinuity; and a dog member coupled to said pawl member and movable to a position for disabling said advancing means in response to movement of said pawl member to said secoNd position, means actuatable for operating the apparatus after advancement has terminated with an exposure area at said operating station, said operating means including means for moving said pawl means from said second position to said third position and for moving said dog member out of the disabling position, to enable the advancing means to further advance the film product after operation; means for terminating further advancement and for preventing actuation of said operating means, said means comprising: a locking member coupled to said pawl member and movable to a position for preventing actuation of the operating means in response to movement of said pawl member to said fourth position; and means for moving said dog member to said disabling position in response to movement of said pawl member to said fourth position.

Claim 18

Apparatus according to claim 7 wherein said operating means further comprises: a trigger displaceable for actuating said operating means to effect exposure of the film product; and a blocking member coupled to said pawl member, said blocking member being movable to a position for preventing displacement of said trigger in response to movement of said pawl member to said first position, and movable to an inactive position in response to movement of said pawl member to said second position.