Camera reading information applied to a film unit

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing said film therein and information-recordable means to which information is recordable, said camera including:

• lid means adapted to be opened and closed to interchange said film unit;
• opening-closing detection means for outputting an opening signal when said lid means is opened;
• judgment means adapted to produce erroneous opening information indicating that there has been erroneous opening of said lid means when said opening signal is produced when at least one of said frames is outside said cartridge;
• and
• recording means for recording said erroneous opening information on said information-recordable means.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film, and a data recording portion formed on the film near a leader portion of the film, comprising:

• recording means for recording photographed frame data indicating photographed frames of the film in said data recording portion;
• film driving means capable of performing a preparation wind-up operation and a rewind operation, the preparation wind-up operation being performed to withdraw an unphotographed frame to be photographed first from the cartridge and to feed the unphotographed frame to a photographing position, the rewind operation being performed to rewind the film into the cartridge in order to unload the film unit from the camera;
• rewind instruction means for generating an instruction signal to start the rewind operation;
• control means responsive to said rewind instruction means to cause said film driving means to start the rewind operation in response to said instruction signal and to cause said recording means to record the photographed frame data in said data recording portion at the end of the rewind operation;
• and
• discriminating means which discriminates, in a case when photographed frame data has been previously recorded in the data recording portion of the film, whether there is an area of the data recording portion in which photographed frame data has not been recorded;
• said control means being responsive to said discriminating means to operate said film driving means and said recording means such that when said discriminating means discriminates that photographed frame data has been previously recorded in the data recording portion of the film and that there is a said area in which photographed frame data has not been recorded, updated photographed frame data is recorded in said area by said recording means.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film therein and information-recordable means to which information indicative of which frames of the film are exposed has been recorded, said camera comprising:

• means for conducting photographing of the film in a first film wind mode;
• reproducing means for reading out the information recorded to said information-recordable means;
• and
• discriminating means which discriminates, based on the information read out by said reproducing means, whether the film has been partially exposed in a second film wind mode different from said first film wind mode.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film and an information recording portion formed on the film, comprising:

• first recording means for recording photographed frame information indicating photographed frames of the film on the information recording portion;
• reproducing means for reproducing the photographed frame information recorded by said first recording means from the information recording portion;
• film driving means capable of performing a preparation wind-up operation and a rewind operation, the preparation wind-up operation being performed to withdraw an unphotographed frame to be photographed first from the cartridge and to feed the unphotographed frame to a photographing position of the camera, and the rewind operation being performed to rewind the film into the cartridge in order to unload the film unit from the camera;
• rewind instruction means for generating an instruction signal for starting the rewind operation;
• second recording means for recording preparation wind-up information relating to the number of said preparation wind-up operations effected for the film unit on the information recording portion;
• and
• recognition means for reading the preparation wind-up information from the information recording portion and recognizing the number of said preparation wind-up operations effected for the film unit.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film and an information recording portion formed on a longitudinal end portion of the film which is not to be exposed, beyond the frames in a longitudinal direction of the film in a margin beyond a limit of the frames in a lateral direction of the film, comprising:

• information reproducing means for reading film wind mode identifying information from the information recording portion;
• discriminating means, responsive to said information reproducing means when the film unit is loaded into the camera in a partially used state, for discriminating, dependent upon the reading of film wind mode identifying information from the information recording portion by said information reproducing means, whether the film has previously been used to effect photographing in a film wind mode in which a film length of one frame is withdrawn from the cartridge with each photographing operation;
• and
• means responsive to said discriminating means for performing a film transport operation in accordance with the discrimination result.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film and an information recording portion formed on a longitudinal end portion of the film which is not to be exposed, beyond the frames in a longitudinal direction of the film in a margin beyond a limit of the frames in a lateral direction of the film, comprising:

• information reproducing means for reading film wind mode identifying information from the information recording portion of the film;
• discriminating means, responsive to said information reproducing means when the film unit has been loaded into the camera in a partially used state, for discriminating, dependent upon the reading of film wind mode identifying information from the information recording portion by said information reproducing means, whether the film has previously been used to effect photographing in a film wind mode in which a length of one frame of the film is rewound into the cartridge with each photographing operation;
• and
• means responsive to said discriminating means for performing a film transporting operation in accordance with the discrimination result.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film and an information recording portion formed on a longitudinal end portion of the film which is not to be exposed, beyond the frames in a longitudinal direction of the film in a margin beyond a limit of the frames in a lateral direction of the film, comprising:

• an information reproducing device which reads film wind mode identifying information from the information recording portion;
• a discriminating device, which is responsive to said information reproducing device when the film unit is loaded into the camera in a partially used state, to discriminate, dependent upon the reading of film wind mode identifying information from the information recording portion by said information reproducing device, whether the film has previously been used to effect photographing in a film wind mode in which a film length of one frame is withdrawn from the cartridge with each photographing operation;
• and
• a film drive system responsive to said discriminating device and which performs a film transport operation in accordance with the discrimination result.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film and an information recording portion formed on a longitudinal end portion of the film which is not to be exposed, beyond the frames in a longitudinal direction of the film in a margin beyond a limit of the frames in a lateral direction of the film, comprising:

• an information reproducing device which reads film wind mode identifying information from the information recording portion of the film;
• a discriminating device, which is responsive to said information reproducing device when the film unit has been loaded into the camera in a partially used state, to discriminate, dependent upon the reading of film wind mode identifying information from the information recording portion by said information reproducing device, whether the film has previously been used to effect photographing in a film wind mode in which a length of one frame of the film is rewound into the cartridge with each photographing operation;
• and
• a film drive system responsive to said discriminating device and which performs a film transport operation in accordance with the discrimination result.

A camera adapted to be loaded with a film unit having film including a plurality of frames, a cartridge containing said film therein and an information-recordable portion to which information is recordable, said camera including:

• a recorder which records to said information-recordable portion information relating to exposed frames indicative of which of the frames of said film are exposed;
• a reproducing device which reads out said information relating to exposed frames, recorded by said recorder, from said information-recordable portion;
• a film driver capable of performing a first operation, a second operation and a third operation, said first operation being an operation of drawing out an unexposed frame to be exposed first from said cartridge and bringing said unexposed frame to a photographing position of the camera after said film unit is loaded into the camera, said second operation being an operation of advancing said film in a direction determined according to a set winding mode of the camera to bring to said photographing position a next frame adjacent to a frame which has just been exposed, said third operation being an operation of rewinding said film drawn out of said cartridge into said cartridge in order to take said film unit out of the camera;
• and
• a controller responsive to said information read out by said reproducing device for discriminating said unexposed frame to be exposed first on the basis of said information and causing said film driver to perform said first operation, said controller discriminating on the basis of said information whether there is a said next frame to which the film can be advanced in said predetermined direction, and if there is no said next frame, causing said film driver to perform said third operation, and if there is a said next frame, discriminating whether said next frame is an exposed frame, and if said next frame is not an exposed frame, causing said film driver to perform said second operation, and if said next frame is an exposed frame, causing said film driver to perform said third operation.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing said film therein and an information-recordable portion to which information is recordable, said camera including:

• a lid portion adapted to be opened and closed to interchange said film unit;
• an opening-closing detection device which outputs an opening signal when said lid portion is opened;
• a judgment unit adapted to produce erroneous-opening information indicating that there has been erroneous opening of said lid portion when said opening signal is produced when at least one of said frames is outside said cartridge;
• and
• a recorder which records said erroneous-opening information on said information-recordable portion.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film, and a data recording portion formed on the film near a leader portion of the film, comprising:

• a recorder which records photographed frame data indicating photographed frames of the film in said data recording portion;
• a film driver capable of performing a preparation wind-up operation and a rewind operation, the preparation wind-up operation being performed to withdraw an unphotographed frame to be photographed first from the cartridge and to feed the unphotographed frame to a photographing position, the rewind operation being performed to rewind the film into the cartridge in order to unload the film unit from the camera;
• a rewind instruction signal generating device which generates an instruction signal to start the rewind operation;
• a control device responsive to said rewind instruction signal generating device to cause said film driver to start the rewind operation in response to said instruction signal and to cause said recorder to record the photographed frame data in said data recording portion at the end of the rewind operation;
• and
• a discriminating device which discriminates, in a case when photographed frame data has been previously recorded in the data recording portion of the film, whether there is an area of the data recording portion in which photographed frame data has not been recorded;
• said control device being responsive to said discriminating device to operate said film driver and said recorder such that when said discriminating device discriminates that photographed frame data has been previously recorded in the data recording portion of the film and that there is a said area in which photographed frame data has not been recorded, updated photographed frame data is recorded in said area by said recorder.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film therein and an information-recordable portion to which information indicative of which frames of the film are exposed has been recorded, said camera comprising:

• a system to conduct photographing of the film in a first film wind mode;
• a reproducing device which reads out the information recorded to said information-recordable portion;
• and
• a discriminating device which discriminates, based on the information read out by said reproducing device, whether the film has been partially exposed in a second film wind mode different from said first film wind mode.

A camera adapted to be loaded with a film unit having a film including a plurality of frames, a cartridge containing the film and an information recording portion formed on the film, comprising:

• a film driver capable of performing a preparation wind-up operation and a rewind operation, the preparation wind-up operation being performed to withdraw an unphotographed frame to be photographed first from the cartridge and to feed the unphotographed frame to a photographing position of the camera, and the rewind operation being performed to rewind the film into the cartridge in order to unload the film unit from the camera;
• a rewind instruction signal generating device which generates an instruction signal for starting the rewind operation;
• a recording device which records on the information recording portion photographed frame information indicating photographed frames of the film, and preparation wind-up information relating to the number of said preparation wind-up operations effected for the film unit;
• a reproducing device which reproduces the photographed frame information recorded by said recording device from the information recording portion;
• and
• a recognition unit which reads the preparation wind-up information from the information recording portion and recognizes the number of said preparation wind-up operations effected for the film unit.