All The Claims

1. A method comprising:
at an image processing apparatus:
partitioning an image into a plurality of blocks;
for a selected one of the plurality of blocks, and using a given available range of grayscale level values, determining grayscale level values for image data in the selected one of the plurality of blocks to provide determined grayscale level values;
transforming at least some of the determined grayscale level values to thereby use an altered amount of the given available range of grayscale level values to thereby provide rescaled grayscale level values for the selected block.
2. The method of claim 1 wherein transforming at least some of the determined grayscale level values comprises rescaling the values.
3. The method of claim 1 wherein transforming at least some of the determined grayscale level values comprises applying an analytic function.
4. The method of claim 1 wherein determining grayscale level values for image data in the selected one of the plurality of blocks to provide determined grayscale level values comprises determining grayscale level values for image data within each of a plurality of the plurality of blocks.
5. The method of claim 4 wherein transforming at least some of the determined grayscale level values comprises transforming at least some of the determined grayscale level values for each of the blocks for which grayscale level values have been determined.
6. The method of claim 4 wherein determining grayscale level values for image data within each of a plurality of the plurality of blocks comprises determining grayscale level values for image data within each of the plurality of blocks.
7. The method of claim 4 wherein the given available range of grayscale level values is identical for each of the blocks for which the grayscale level values has been determined.
8. The method of claim 1 wherein partitioning an image into a plurality of blocks comprises partitioning the image into a plurality of blocks as a function, at least in part, of a user-selected parameter regarding a size of the blocks.
9. The method of claim 1 wherein partitioning an image into a plurality of blocks comprises portioning the image into a plurality of blocks such that there are no gaps between any of the blocks.
10. The method of claim 9 wherein partitioning an image into a plurality of blocks further comprises partitioning the image into a plurality of blocks wherein at least some of the blocks partially overlap with one another.
11. The method of claim 10 wherein partitioning the image into a plurality of blocks wherein at least some of the blocks partially overlap with one another comprises partitioning the image into a plurality of blocks wherein at least some of the blocks partially overlap with one another as a function, at least in part, of a selection of a particular amount of overlap from amongst a plurality of available candidate amounts of overlap.
12. The method of claim 1 further comprising:
processing a portion of the image as corresponds to the selected block as a function of the rescaled grayscale level values for the selected block to thereby provide a compensated image.
13. The method of claim 12 wherein processing a portion of the image as corresponds to the selected block as a function of the rescaled grayscale level values for the selected block comprises combining the portion of the image as corresponds to the selected block with the rescaled grayscale level values for the selected block.
14. The method of claim 12 wherein processing a portion of the image as corresponds to the selected block as a function of the rescaled grayscale level values for the selected block comprises processing a portion of the image as corresponds to the selected block as a function of weighted versions of the rescaled grayscale level values for the selected block.
15. The method of claim 14 wherein processing a portion of the image as corresponds to the selected block as a function of weighted versions of the rescaled grayscale level values for the selected block comprises processing a weighted version of the portion of the image as corresponds to the selected block with the weighted versions of the rescaled grayscale level values for the selected block
16. The method of claim 14 further comprising:
receiving from an end user of the image processing apparatus a selected weighting factor;
using the selected weighting factor to determine the weighted versions of the rescaled grayscale level values for the selected block.
17. The method of claim 1 wherein transforming at least some of the determined grayscale level values comprises identifying several statistics for the selected block, analyzing their values to choose a transformation, and using the transformation to transform the determined grayscale level values to have values that thereby use the altered amount of the given available range of grayscale level values
18. The method of claim 17 wherein transforming at least some of the determined grayscale level values to thereby use an altered amount of the given available range of grayscale level values to thereby provide rescaled grayscale level values for the selected block comprises:
identifying a first one of the determined grayscale level values that best matches a first selection criteria;
identifying a second one of the determined grayscale level values that best matches a second section criteria, wherein the second selection criteria is different than the first selection criteria;
rescaling the first one of the determined grayscale level values to have a value corresponding to a value within the given available range of grayscale level values;
rescaling the second one of the determined grayscale level values to have a value corresponding to a value within the given available range of grayscale level values;
proportionately adjusting at least some of the remaining determined grayscale level values;

to thereby provide resealed grayscale level values for the selected block.
19. The method of claim 18 wherein the first selection criteria comprises a least significant value and the second selection criteria comprises a most significant value.
20. The method of claim 17 wherein for a selected one of the plurality of blocks, identifying several statistics for the selected block, according to certain selection criteria comprises identifying the statistics such that pixels within the selected block that are external to the image do not influence the identifying.
21. The method of claim 1 further comprising:
processing a portion of the image as corresponds to the selected block as a function of the resealed grayscale level values for the selected block and the resealed grayscale level values for any other blocks that overlap with the selected block to thereby provide a compensated image.
22. The method of claim 21 wherein re-scaling the rescaled grayscale level values for the selected block as a function of resealed grayscale level values for another block which overlaps with the selected block to thereby provide re-scaled results comprising:
re-scaling the resealed grayscale level values for the selected block using a first approach when the selected block does not comprise a block at an edge of the image; and
re-scaling the resealed grayscale level values for the selected block using a second approach when the selected block comprises a block at an edge of the image, wherein the second approach is different from the first approach.
23. An apparatus comprising:
a processor configured and arranged to:
partition an image into a plurality of blocks;
for a selected one of the plurality of blocks, and using a given available range of grayscale level values, determine grayscale level values for image data in the selected one of the plurality of blocks to provide determined grayscale level values;
transform at least some of the determined grayscale level values to thereby use an altered amount of the given available range of grayscale level values to thereby provide rescaled grayscale level values for the selected block.
24. The apparatus of claim 23 wherein the processor further configured and arranged to transform at least some of the determined grayscale level values by resealing the values.
25. The apparatus of claim 23 wherein the processor is further configured and arranged to transform at least some of the determined grayscale level values by applying an analytic function.
26. The apparatus of claim 23 wherein the processor is further configured and arranged to:
process a portion of the image as corresponds to the selected block as a function of the rescaled grayscale level values for the selected block to thereby provide a compensated image.
27. The apparatus of claim 26 wherein the processor is further configured and arranged to process a portion of the image as corresponds to the selected block as a function of the rescaled grayscale level values for the selected block by combining the portion of the image as corresponds to the selected block with the rescaled grayscale level values for the selected block.
28. The apparatus of claim 27 wherein the processor is further configured and arranged to process a portion of the image as corresponds to the selected block as a function of the rescaled grayscale level values for the selected block by processing a portion of the image as corresponds to the selected block as a function of weighted versions of the resealed grayscale level values for the selected block.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An interface for producing an input from an absolute pose of an item associated with a user in a three-dimensional environment, said interface comprising:
a) a unit on-board said item, said unit configured to receive non-collinear optical inputs presented by at least one stationary object in said three-dimensional environment, said at least one stationary object having at least one feature detectable via an electromagnetic radiation, said at least one feature presenting a sufficient number of said non-collinear optical inputs for establishing a stable frame in said three-dimensional environment;
b) processing electronics employing a computer vision algorithm using a homography to recover said absolute pose of said item from a geometrical description of said non-collinear optical inputs in terms of absolute pose parameters in said stable frame and to generate a signal related to at least one of said absolute pose parameters;
c) an application employing said signal in said input, wherein said absolute pose of said item comprises at least three translational degrees of freedom and at least three rotational degrees of freedom, said at least one absolute pose parameter is related to at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom by a mapping and at least one aspect of said application varies with said absolute pose of said item.
2. The interface of claim 1, wherein said mapping comprises a one-to-one mapping.
3. The interface of claim 1, wherein said mapping comprises a scaling in at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom.
4. The interface of claim 1, wherein said at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom comprises two translational degrees of freedom defining a plane in said three-dimensional environment.
5. The interface of claim 4, further comprising a display and wherein said plane is plane-parallel with said display.
6. The interface of claim 5, wherein said display is integrated in one stationary object from among said at least one stationary object, and said one stationary object is selected from the group consisting of televisions, computers, electronic picture frames, game consoles, electronic devices, tools and appliances.
7. The interface of claim 1, wherein said at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom comprises three translational degrees of freedom defining a volume in said three-dimensional environment.
8. The interface of claim 7, further comprising a three-dimensional display and wherein said volume corresponds to a virtual display volume of said three-dimensional display.
9. The interface of claim 1, wherein said at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom comprises a rotational degree of freedom defining an axis in said three-dimensional environment and said absolute pose parameter maps to rotation around said axis.
10. The interface of claim 9, wherein said axis corresponds to a mechanical axis of said item.
11. The interface of claim 1, wherein said at least three translational degrees of freedom and said at least three rotational degrees of freedom comprise three mutually orthogonal translational degrees of freedom and three mutually orthogonal rotational degrees of freedom.
12. The interface of claim 11, wherein said three mutually orthogonal translational degrees of freedom comprise three orthogonal Cartesian axes.
13. The interface of claim 12, wherein said three orthogonal Cartesian axes are used as world coordinates for describing said stable reference frame and a predetermined point on said item is expressed in said world coordinates and defines a position of said item in said world coordinates.
14. The interface of claim 11, wherein said three mutually orthogonal rotational degrees of freedom are described in said application by a mathematical equivalent belonging to the group consisting of (i) three Euler angles, (ii) pitch, yaw, and roll angles, (iii) Brian-Tait angles, (iv) quaternions, and (v) direction cosines.
15. The interface of claim 1, wherein said at least one absolute pose parameter in said signal maps to three of said at least three translational degrees of freedom and three of said at least three rotational degrees of freedom thereby comprising a full parameterization of said absolute pose of said item, and wherein said application employs said full parameterization in said input for said application.
16. The interface of claim 15, further comprising a feedback unit for providing feedback to said user in response to at least one portion of said full parameterization.
17. The interface of claim 16, wherein said feedback unit comprises a display associated with said application, and said feedback comprises visual information.
18. The interface of claim 17, wherein said visual information comprises at least an image rendered from a point of view of said item, said point of view being derived from said at least one portion of said full parameterization.
19. The interface of claim 18, wherein said feedback unit comprises a haptic feedback unit associated with said application, and said feedback comprises haptic information.
20. The interface of claim 19, wherein said haptic information comprises feedback to at least one body part of said user, said haptic feedback being derived from at least one portion of said full parameterization.
21. The interface of claim 15, wherein said at least one stationary object comprises a display and said full parameterization of said item is employed by said application to compute an intersection of a mechanical axis of said item with said display.
22. The interface of claim 21, wherein said unit comprises an optic defining an optical axis, and said optical axis is chosen as said mechanical axis of said item.
23. The interface of claim 21, wherein said application comprises a place-holder entity placed at said intersection of said mechanical axis of said item with said display.
24. The interface of claim 23, wherein said place-holder entity is selected from the group consisting of an insertion cursor, a feedback cursor, a control icon, a display icon, a visual feedback entity.
25. The interface of claim 1, further comprising a relative motion sensor on-board said item for producing data indicative of a change in at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom.
26. The interface of claim 1, wherein said at least one stationary object comprises a device selected from the group consisting of a game console, a television, a stereo, an electronic picture frame, a computer, a tablet, an RF transmitter unit, a set-top box, a base station, a portable user device having a display, a non-portable user device having a display and an appliance.
27. The interface of claim 1, wherein said non-collinear optical inputs are selected from the group consisting of point-like inputs, line-like inputs, area-like inputs and volume-like inputs.
28. The interface of claim 27, wherein said at least one feature comprises an emitter of said electromagnetic radiation and said non-collinear optical inputs comprise emissions from said emitter.
29. The interface of claim 27, wherein said at least one feature comprises a reflector of said electromagnetic radiation and said non-collinear optical inputs comprise reflected electromagnetic radiation from said reflector.
30. The interface of claim 29, wherein said item further comprises an emitter for emitting said electromagnetic radiation into said three-dimensional environment.
31. The interface of claim 29, further comprising an emitter of a pattern of radiation for emitting said electromagnetic radiation into said three-dimensional environment.
32. The interface of claim 1, wherein said three-dimensional environment is selected from the group of environments consisting of real space, a cyberspace, a virtual space, an augmented reality space and a mixed space.
33. The interface of claim 1, wherein said item comprises a manipulated item.
34. The interface of claim 33, wherein said manipulated item is selected from the group consisting of wands, remote controls, portable phones, portable electronic devices, medical implements, digitizers, hand-held tools, hand-held clubs, gaming controls, gaming items, digital inking devices, pointers, remote touch devices, TV remotes and magic wands.
35. The interface of claim 34, wherein said manipulated item is a portable phone and said input is used to control a user device selected from the group consisting of a game console, a television, a stereo, an electronic picture frame, a computer, a tablet, an RF transmitter unit, a set-top box, a base station, a portable user device having a display, a non-portable user device having a display and an appliance.
36. The interface of claim 1, wherein said item comprises a wearable item.
37. The interface of claim 36, wherein said wearable item is selected from the group consisting of items affixed on headgear, on glasses, on gloves, on rings, on watches, on articles of clothing, on accessories, on jewelry and on accoutrements.
38. The interface of claim 37, wherein said input is used to control a user device selected from the group consisting of a game console, a game object, a television, a stereo, an electronic picture frame, a computer, a tablet, an RF transmitter unit, a set-top box, a base station, a portable user device having a display, a non-portable user device having a display and an appliance.
39. A method for producing an input from an absolute pose of an item associated with a user in a three-dimensional environment, said method comprising:
a) determining a placement of at least one stationary object having at least one feature in said three-dimensional environment, said feature presenting a sufficient number of non-collinear optical inputs detectable via an electromagnetic radiation to establish a stable frame in said three-dimensional environment;
b) receiving by a unit on-board said item said non-collinear optical inputs;
c) using with processing electronics employing a computer vision algorithm that uses a homography to recover said absolute pose of said item from a geometrical description of said non-collinear optical inputs in terms of absolute pose parameters in said stable frame;
d) generating a signal related to at least one of said absolute pose parameters;
e) communicating said signal via a link to an application for use in generating said input, wherein said absolute pose comprises at least three translational degrees of freedom and at least three rotational degrees of freedom, said at least one absolute pose parameter is related to at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom by a mapping and at least one aspect of said application varies with said absolute pose of said item.
40. The method of claim 39, wherein said mapping comprises a one-to-one mapping.
41. The method of claim 39, wherein said mapping comprises a scaling in at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom.
42. The method of claim 39, further comprising:
a) constructing a subspace of said at least three translational degrees of freedom and said at least three rotational degrees of freedom;
b) projecting said at least one absolute pose parameter into said subspace to obtain a projected portion of said absolute pose parameter; and
c) communicating said projected portion to said application for use in said input.
43. The method of claim 42, wherein said subspace is selected from the group consisting of points, axes, planes and volumes.
44. The method of claim 39, wherein said three-dimensional environment is selected from the group of environments consisting of real space, a cyberspace, a virtual space, an augmented reality space and a mixed space.
45. The method of claim 39, further comprising processing said signal to compute a position of said item in said application.
46. The method of claim 45, further comprising providing a feedback to said user depending on said position.
47. The method of claim 39, further comprising processing said signal to compute an orientation of said item in said application.
48. The method of claim 47, further comprising providing a feedback to said user depending on said orientation.
49. The method of claim 39, further comprising providing a relative motion sensor on-board said object for producing data indicative of a change in at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom.
50. The method of claim 39, wherein said electromagnetic radiation is emitted from on-board said item.
51. The method of claim 39, wherein said electromagnetic radiation is emitted from an emitter located at a predetermined location in said three-dimensional environment.
52. The method of claim 51, wherein said electromagnetic radiation is emitted in a pattern.
53. The method of claim 39, wherein said feature emits said electromagnetic radiation.
54. The method of claim 53, wherein said electromagnetic radiation is further reflected from known objects in said three-dimensional environment in a pattern before being received by said on-board unit.
55. A method for controlling a controlled object based on an absolute pose of an item associated with a user in a three-dimensional environment, said method comprising:
a) placing in said three-dimensional environment at least one stationary object having at least one feature, said at least one feature presenting a sufficient number of non-collinear optical inputs detectable via an electromagnetic radiation to establish a stable frame in said three-dimensional environment;
b) receiving by a unit on-board said item said non-collinear optical inputs;
c) recovering with processing electronics employing a computer vision algorithm that uses a nomography said absolute pose of said item from a geometrical description of said non-collinear optical inputs in terms of absolute pose parameters in said stable frame;
d) generating a signal related to at least one of said absolute pose parameters;
e) communicating said signal to a control of said controlled object, wherein said absolute pose comprises at least three translational degrees of freedom and at least three rotational degrees of freedom, said at least one absolute pose parameter is related to at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom by a mapping and at least one aspect of said application varies with said absolute pose of said item.
56. The method of claim 55, wherein said mapping comprises a one-to-one mapping.
57. The method of claim 55, wherein said mapping comprises a scaling of said at least one absolute pose parameter to a corresponding at least one among said at least three translational degrees of freedom and said at least three rotational degrees of freedom.
58. The method of claim 55, further comprising:
a) constructing a subspace of said at least three translational degrees of freedom and said at least three rotational degrees of freedom;
b) projecting said absolute pose parameter into said subspace to obtain a projected portion of said absolute pose parameter; and
c) communicating said projected portion to said control for controlling said controlled object.
59. The method of claim 58, wherein said subspace is selected from the group consisting of points, axes, planes and volumes.
60. The method of claim 55, wherein said three-dimensional environment is selected from the group of environments consisting of real space, a cyberspace, a virtual space, an augmented reality space and a mixed space.
61. The method of claim 60, wherein said controlled object resides in one of said group of environments consisting of real space, a cyberspace, a virtual space, an augmented reality space and a mixed space.
62. The method of claim 55, further comprising providing a feedback to said control depending on said at least one absolute pose parameter.

1-16. (canceled)
17. A method for dynamically controlling powering a piece of electrical equipment powered by an energy storage element and a renewable energy source, with the power supply of said piece of equipment being temporally variable in an adjustable reference time curve, comprising the steps of:
adjustment according to at least one external factor and at least one internal factor, and the constraint that the integral over the considered operating cycle of said adjustable reference time curve is lower than a quantity of energy which can be allocated from said energy storage element, during the operating cycle considered, with said external factors being physical parameters acquired by local sensors.
18. The method for dynamically controlling powering a piece of electrical equipment according to claim 17, wherein the adjustment function takes into account the state of said energy storage element.
19. The method for dynamically controlling powering a piece of electrical equipment according to claim 17, wherein the adjustment function takes into account at least one factor influenced by the efficiency of said renewable energy source.
20. The method for dynamically controlling powering a piece of electrical equipment according to claim 17, wherein the adjustment function takes into account a parameter determined on the basis of the number of cycles of autonomy.
21. The method for dynamically controlling powering a piece of electrical equipment according to claim 17, wherein the adjustment function takes into account at least one factor influenced by an efficiency of the piece of electrical equipment.
22. An electrical system comprising:
an energy storage element;
a renewable energy source coupled to said energy storage element;
a controlling circuit for managing energy and controlling a power supply of a piece of electrical equipment associated with said energy storage element and said renewable energy source, wherein said controlling circuit is configured to control the power supply of said piece of electrical equipment according to an adjustable reference time curve on the basis of at least one external factor and at least one internal factor, and a constraint that an integral over an operating cycle considered for said adjustable reference time curve is lower than a quantity of energy which can be allocated from said energy storage element, during the operating cycle considered.
23. An electrical system according to claim 22, wherein said piece of electrical equipment is a LED lighting module, said energy storage element is a battery and said renewable energy source is composed of photovoltaic cells.
24. The electrical system according to claim 23, wherein the internal factor is determined by an electronic card for managing energy and controlling the power supply of said piece of electrical equipment having a temperature sensor of said battery, and a power gauge.
25. The electrical system according to claim 23, wherein the external factor is determined by a geographical position of a location and operation place of said electrical system.
26. The electrical system according to claim 23, wherein the external factor is determined by a quantity of energy stored from at least one previous cycle.
27. An array of electrical systems according to claim 22, comprising an array of energy storage sources and an array of renewable energy sources, a communication system as well as a circuit for managing energy and controlling the power supply of an array of electrical equipment, wherein said control circuit controls the supply power of said piece of equipment according to an adjustable reference time curve on the basis of at least one external factor and at least one internal factor, and a constraint that an integral over a considered operating cycle of said adjustable reference time curve is lower than a quantity of energy which can be allocated from said energy storage element, during the operating cycle considered.
28. The array of electrical systems according to claim 27, wherein the communication system is defined by a radio-frequency link to exchange information on a local state of each system, detect possible malfunctions in one or more lighting spots, and to synchronize a lighting program.
29. A method for detecting at least one malfunction on two scales, said two scales comprising an electrical system according to claim 23, and an array of electrical equipment according to claim 27, wherein the malfunctions are identified by at least one failure indicator originating from a response to a series of questions corresponding to an analysis of variations in the electrical, optical andor thermal parameters estimated during operation of said electrical system.
30. The method for detecting at least one malfunction according to claim 29, wherein the failure indicators are defined by a binary digital system (0: no or 1: yes).
31. The method for detecting at least one malfunction according to claim 29, wherein said method relates to a comparison of a state of the electrical equipment of the array of the electrical systems on a time scale corresponding to a service life of each piece of electrical equipment.
32. The method for detecting at least one malfunction according to claim 29, wherein a major malfunction causing said system(s) to stop is communicated by a flash type frequency control of said piece of electrical equipment prompting local residents to inform utilities concerned of such malfunction.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. A camera having a shutter release button, wherein a photo film is advanced from a film cassette in correspondence with operation of said shutter release button, said camera comprising:
a cassette chamber for containing said film cassette;
a lid for opening and closing said cassette chamber; and
a shutter lock mechanism for preventing an operation of said shutter release button when said lid is opened, and for allowing the operation of said shutter release button when said lid is closed.
2. A camera according to claim 1, further comprising an exposure aperture for exposing said photo film advanced from said film cassette in said cassette chamber, wherein after closing said lid a first frame on said photo film is set to said exposure aperture corresponding to operate of said shutter release button.
3. A camera according to claim 2, wherein said shutter lock mechanism includes a shutter lock member which is set in a lock position to lock said shutter release button when said lid is opened, and set in an unlock position to unlock said shutter release button when said lid is closed.
4. A camera according to claim 3, wherein in said lock position a part of said shutter lock member is entered in a moving path of said shutter release button such that said shutter release button cannot be depressed, and in said unlock position said part is retracted from said moving path such that said shutter release button may be depressed.
5. A camera according to claim 4, wherein said shutter lock mechanism further includes a lid lock member disposed between said lid and said shutter lock member, said lid lock member engages with said lid when said lid is closed, and disengages from said lid when said lid is opened.
6. A camera according to claim 5, wherein said shutter lock mechanism includes an interlocking member contacting to both of said lid lock member and said shutter lock member, and said interlocking member transmits movement of said lid lock member to said shutter lock member.
7. A camera according to claim 6, wherein said interlocking member has a protrusion, said shutter lock member has a contact portion for contacting said protrusion of said interlocking member to set said shutter lock member to a lock position when a lid is opened, and said protuberance leaves from said contact portion so as to set said shutter lock member in said unlock position when said lid is closed.
8. A camera according to claim 7, wherein said shutter lock member has a plate-like spring portion for biasing said shutter lock member such that said contact portion may contact to said interlocking member.
9. A camera according to claim 7, wherein said lid lock member is biased by a coil spring forwards said engaging position.
10.A camera according to claim 7, wherein said shutter lock member is attached to a top of said cassette chamber.
11. A camera according to claim 4, wherein said shutter lock member is rotatably attached to a side wall of said cassette chamber and biased by a spring to said lock position, and a part of said lid of said cassette chamber contacts to said shutter lock member so as to move said shutter lock member to said unlock position when said lid closes said cassette chamber.
12.A camera having a shutter release button, wherein said photo film is advanced from said film cassette, said film cassette includes a cassette housing containing said photo film and a cassette door for openingclosing a passage mouth of said photo film, said camera comprising:
a cassette chamber for containing said film cassette;
a lid of said cassette chamber, being movable between an open position and a close position, in said open position a cassette chamber being open, and in said close position a cassette chamber being close; and
a lid lock member being movable between a lock position and an unlock position, for locking said lid in said lock position, and for permitting in said unlock position said lid to move to said open position;
an interlocking member interlocking with said lid lock member, for opening said cassette door when said lid lock member is in said lock position, and for closing said cassette door when said lid lock member is in said unlock position; and
a shutter lock member interlocking with said interlocking member, for prohibiting a operation of said shutter release button when said interlocking member opens said cassette door, and for allowing the operation of said shutter release button when said interlocking member opens said cassette door.