Light emitting element

An apparatus for imprinting data on a film, the apparatus comprising:

• a light emitting element for emitting light at intervals in order to imprint the data;
• a film feeding mechanism including a film feeding motor;
• film feeding control means for controlling the film feeding mechanism to wind up one frame of the film after a predetermined exposure operation has finished;
• speed detecting means for detecting an approximate film moving speed as the film is fed;
• and
• determining means for determining, based on the film moving speed detected at the time of a preceding film feeding, the intervals of light emission of the light emitting element for imprinting the data during a present film feeding.

An apparatus for imprinting data on a film, the apparatus comprising:

• a light emitting element for emitting light in order to imprint the data;
• film feeding control means, including a film feeding motor, for rotating the film feeding motor to feed the film;
• speed detecting means for detecting an approximate film moving speed as the film is fed;
• and
• signal output means for outputting light emission timing signals for the light emitting element in response to a rotation of the film feeding motor, wherein the signal output means further comprises an adjusting means for adjusting, based on a previously detected film moving speed, intervals of the light emitting timing signals for performing a present imprinting operation.

An apparatus for imprinting data on a film, the apparatus comprising:

• a
• a film feeding motor and a light emitting element, arranged to face the film, for emitting light when the film feeding motor winds up an exposed frame;
• and
• an arrangement for controlling the apparatus to determine intervals of data imprinting based on information on how much the film feeding motor rotated to feed a predetermined amount of the film during a preceding film winding.

An apparatus for imprinting data on a film, the apparatus comprising:

• winding-up means for winding up the film and having a film feeding motor;
• imprinting means arranged to face the film and having a light emitting element whose light emitting pattern is selectable;
• and
• control means for selecting the light emitting pattern of the light emitting element to imprint the desired data on the film as an exposed frame of the film is wound up by the winding-up means, wherein the control means determines time intervals for a newest data imprinting based on information on how the film feeding motor rotated to feed a predetermined amount of the film during a past film winding.

A data imprinting apparatus for optically recording data on a film, the apparatus comprising:

• a film feeding mechanism;
• a film feeding motor for driving the film feeding mechanism;
• a rotation number detector arranged in the film feeding mechanism for detecting a number of rotations of the film feeding motor and outputting signals corresponding to the detected number;
• a perforation detector for detecting movement of perforations as the film is fed and for generating outputs corresponding to the detected perforations, the perforations being provided in the film periodically;
• a light emitting device arranged at a position where it faces the film being fed and having a plurality of light emitting portions arranged in a predetermined pattern, wherein light emitting patterns of the light emitting portions are controlled to imprint predetermined optical information on the film;
• and
• a control circuit for driving the feeding motor to feed the film, and for controlling light emitting intervals of the light emitting device for present imprinting based on the signals outputted from the rotation number detector while two consecutive outputs were generated by the perforation detector during a preceding film winding.

A data imprinting apparatus for feeding a film having a perforation and for optically recording data on the film, the apparatus comprising:

• a film feeding mechanism, including a motor, for feeding the film by a driving force of the motor and for outputting first and second pulse signals relating to the feeding operation;
• a light emitting device arranged to face the film and having a plurality of light emitting patterns;
• a selection circuit for selecting one of the light emitting patterns of the light emitting device in response to data to be imprinted;
• and
• a control circuit for controlling light emitting time intervals of the light emitting device for performing a present imprinting operation based on the first and second pulse signals generated during a preceding film winding.

An apparatus for imprinting data on a film in a camera, the apparatus comprising:

• a light emitting element having a plurality of light emitting segments and capable of representing various characters and symbols by selecting a combination of the plurality of light emitting segments to emit light;
• an imprinting optical system for imprinting on the film one of a character and a symbol represented by the light emitting element;
• film feeding means for winding up one frame of the film after an exposure operation has finished;
• and
• control means for causing the light emitting element to emit light repeatedly during a film winding-up operation by the film feeding means to record a plurality of visually readable combination of at least one of characters and symbols in a frame of the film, wherein the control means comprises:
• means for detecting a moving speed of the film as the film is wound up and for storing the detected moving speed;
• and
• means for determining light emitting intervals of the light emitting element for a present one-frame winding based on the film moving speed detected during a preceding one-frame winding.