Abstract: A data transmitting device provided in an electro-developing type camera using a recording medium which electronically develops an image formed by a photographing optical system. A photographing optical system and an interface unit can be selectively attached to a lens mount of the camera body. The lens mount is provided with control data contact terminals and image data contact terminals. The control data contact terminals are used for transmitting first control data including lens information of the photographing optical system to the camera body, and for transmitting second control data between the camera body and the interface unit. The image data contact terminals are used for transmitting image data obtained by the electro-developing recording medium to the interface unit. The interface unit has an output terminal which can be connected to an external computer.

Abstract: Imaging apparatus is provided which includes a generally cylindrical drum defining a substrate support surface, a head operative to record information onto a substrate on the substrate support surface, and substrate feed and position apparatus for precise rotational positioning and displacement of the substrate with respect to an internal surface of cylindrical drum. The apparatus includes a plurality of linear motors arranged along the internal surface of the cylindrical drum for feeding the substrate, and control apparatus for controlling the linear motors to achieve precise positioning of the substrate support surface.

Abstract: In an ink remaining amount checking routine to be performed at every one line of printing, when a flag indicative of the ink amount in a sub-tank less than or equal to a predetermined amount, an alarm is generated. Also, while the flag is set, predetermined number of lines capable of printing is performed. Thereafter, ink is supplied. By this, operator may check alarm for ink supply and perform ink supply at a predetermined time interval.

Abstract: An image erasing device mounted on an electro-developing type camera with an electro-developing recording medium, to erase an electronically developed an image. When the image recorded on the electro-developing recording medium is read therefrom, the electro-developing recording medium is illuminated by a light source which emits a laser beam. During this reading operation, the line sensor is moved with the light source along the electro-developing recording medium, so that the image is read. When the image recorded on the electro-developing recording medium is erased, the intensity of light outputted by the light source is controlled to have a value greater than in the reading operation, and the light source is moved along the electro-developing recording medium.

Abstract: A method and an apparatus for controlling exposure are disclosed. A light beam carrying gradation image information is projected to writing side of spatial light modulating means and another light beam is projected to reading side of the modulating means to obtain a light beam for exposure in accordance with the intensity of the light beam to the writing side. By varying the reflectance on the reading side in accordance with the gradation image information, the light beam for exposure is obtained and the amount of exposure is controlled. The reflectance on the reading side is controlled by continuously varying the intensity of the light to the writing side and/or by continuously varying the driving voltage of the modulating means.

Abstract: A carriage-mounted optical sensor for a color inkjet printer/plotter includes a modular flex-circuit assembly which has a co-planar junction which directly interconnects with all electronic components such as through conductive support leads from a photocell and LEDs. Additional components are then self-attachable to the modular flex-circuit assembly to form an optical sensor unit having the LEDs positioned to transmit light to a print zone, and having the photocell positioned to receive reflected light from the print zone. A cover provides a protective shield for the electronics in the optical sensor, and is self-attachable in a predetermined position on the carriage. Separate activation circuits are provided for each LED to allow different LEDs to be selectively activated depending on the type of markings on the media.

Abstract: An electro-developing type camera uses an electro-developing recording medium including an electrostatic information recording medium and an electric charge keeping medium. The camera has a transparency sensor for detecting dark-zone-transparency data at a portion of the electric charge keeping medium corresponding to a dark zone defined on a light receiving surface of the electrostatic information recording medium. It is determined whether or not the dark-zone-transparency data is substantially equal to reference-transparency data. If the dark-zone-transparency data is not substantially equal to the reference-transparency data, it is warned that the electro-developing recording medium has been recorded on.

Abstract: An electronic development type camera using an electronic development type recording medium, having an electrostatic data recording medium and an electric charge holding medium. The electronic development type camera includes a detector for detecting whether an image has been recorded on the recording medium loaded in the camera, a mode changing device for changing a mode between a photographing mode and an image reading mode, and an actuator for driving the mode changing device to select the photographing mode when the detector detects the absence of the recorded image on the recording medium loaded in the camera, and the image reading mode when the detector detects the presence of the recorded image on the recording medium loaded in the camera, respectively.

Abstract: A photographic printing and developing apparatus includes a turnout device for separating a transfer path, along which sheets of printed paper are conveyed from a printing station to a development station, into a main transfer path and a branch transfer path. A joining device joins the branch transfer path to the main transfer path at a position downstream of the separating position. The turnout device selectively transfers sheets of printed paper of a given size to the branch transfer path.

Abstract: An operation control device is provided in an electro-developing type camera using a recording medium which electronically develops an image formed by a photographing optical system. During a reading operation, in which the image recorded in the electro-developing recording medium is being read, if a recording operation is set by operation of a main switch, an enforced recording operation is started. During the enforced recording operation, pixel signals of one horizontal scanning line of the image are read through a line sensor. Then, a shutter is closed, a light source is turned OFF, and a scanning mechanism is withdrawn to a position at which the scanning mechanism does not interfere with the optical path of the photographing optical system. If a recording medium installed in the camera has not been recorded upon, a recording operation is started and an image is recorded in the new recording medium.

Abstract: A shading device of a camera having shading bellows which is collapsible in interlocking motion with an imaging-lens barrel movable in the direction of its optical axis and which is provided between the front side of the aperture of a camera body and the imaging-lens barrel, wherein the relationship L1/L0<L0/L2 holds where L0 represents the free length of the shading bellows when it is formed, L1 represents the maximum length of the shading means expanded in the direction of the optical axis and L2 represents the minimum length of the shading means contracted in the direction of the optical axis.

Abstract: An image exposure method using a display panel, for exposing an image onto a photosensitive material by dividing the image into pixels which are arranged in a matrix pattern on the display panel and by adjusting amounts by which light is transmitted through or reflected at the pixels or an amount of emitted light. The method steps include: determining to effect exposure processing a plurality of times when a defective pixel whose amount of transmitted light, reflected light or emitted light cannot be adjusted, exists on the display panel; and effecting exposure processing a plurality of times, wherein the exposure processing of a plurality of times includes exposure with a relative position of a group of pixels arranged in a matrix pattern on the display panel and split images corresponding to the pixels being displaced, and an amount of exposure for each time of exposure processing is an amount given by dividing an overall amount of exposure in accordance with the number of times of displacement.

Abstract: A lens-fitted photo film unit has an electronic flash device (11, 30; 115) with a printed circuit board (173). The flash device includes a flash-emitting section (6, 170) for emitting flash light toward a photographic field, and a main capacitor (31, 155) for storing charge to be discharged in the flash-emitting section. The printed circuit board converts a current of a battery (12, 127) into a current of high voltage to be supplied to the main capacitor. The printed circuit board has a transistor (13, Tr1) for oscillation. A primary winding (15) has one end connected to the battery, and another end connected to a collector of the transistor. A secondary winding (16) is combined in mutual induction with the primary winding, has one end connected to the main capacitor, and another end connected to a base of the transistor. A tertiary winding (17) is combined in mutual induction with the secondary winding, has one end connected to the battery, and another end connected to the base of the transistor.

Abstract: Apparatus for providing ink to an ink-jet print head in a print cartridge at substantially constant pressure and for compensating for air within the print cartridge. A flexible bag is maintained at atmospheric pressure within the print cartridge and actuates a pressure regulator also within the print cartridge. By expanding and contracting, the bag compensates for changes in pressure and temperature that occur while the pressure regulator is shut and that affect air entrapped within the print cartridge.

Abstract: A scanning type exposure apparatus includes an illumination device for illuminating a mask, a projection device for projecting a pattern of the mask onto a substrate and a scanning device for scanning, in a scanning direction, the mask and the substrate relative to the illumination device and the projection device, respectively. The projection device includes a stop device for setting an effective numerical aperture in the scanning direction to be larger than an effective numerical aperture in a direction perpendicular to the scanning direction. Also disclosed are various photomasks, as well as a scanning type exposure apparatus which scans and exposes a substrate by using such photomasks and a device manufacturing method that includes a step of transferring a device pattern onto a substrate by using such photomasks.

Abstract: An operation control device is provided in an electro-developing type camera using a recording medium which electronically develops an image formed by a photographing optical system. An electric charge in a battery is sensed. When the electric charge remaining in the battery is lower than a second threshold value, which is lower than a first threshold value, the recording operation is prohibited. When the electric charge remaining in the battery is lower than the first threshold value and higher than the second threshold value, the recording operation is permitted and the reading operation is prohibited. Accordingly, during the reading operation, the electric charge remaining in the battery cannot become lower than the first threshold value, and thus the reading operation can be carried out.

Abstract: An electronic color still video camera having an electro-developing recording medium and a color filter includes a photographing lens system for forming an optical image on the filter, an optical lens system for forming the optical image, formed on the filter, in an image-forming plane of the medium to record and develop the optical image therein, and an image reader for optically reading to obtain image data from the recorded and developed image of the medium. The image reader includes a light source having a light emitting surface arranged parallel with the image-forming plane of the medium such that light beams emitted from the light emitting surface of the source are perpendicularly directed to and are passed through the image-forming plane, and an image sensor having a light receiving surface oriented in the same direction as the light emitting surface of the source.

Abstract: A vibration compensation device for use in an optical imaging system, such as a camera, having a vibration detection unit to detect vibrations in the camera and a vibration compensation unit to drive a vibration compensation optical lens perpendicular to an optical axis to correct for the vibrations detected by the vibration detection unit. A display unit, preferably a lamp, is provided to indicate the detection of vibrations by the vibration detection unit. Further, the vibration detection device is provided with a switch to allow the user to select whether the vibration compensation device is to be enabled or disabled. When the vibration detection device is enabled, upon the halfpress of a shutter release button, the vibration detection unit is initialized to determine the point at which the angular velocity of the vibration compensation optical lens equals 0.

Abstract: An image signal recording operation control device is provided in a still video camera. The control device has a photographing optical system by which an image is formed on an electro-developing recording medium, by which the image is electronically developed. The control device also has a scanner optical system by which the image developed by the electro-developing recording medium is formed on a sensor imaging plane. A line sensor is provided for scanning on the sensor imaging plane to read out the image. When the electro-developing recording medium is not mounted in the still video camera, i.e., when an aerial image formed by the photographing optical system is read by the line sensor, the scanner optical system is displaced by a predetermined amount along the optical axis, in comparison with a state in which the electro-developing recording medium is mounted, so that the scanner optical system can form an in-focus image on the sensor imaging plane.

Abstract: A lens-fitted photo film unit has an electronic flash device (11, 30; 115) with a printed circuit board (173). The flash device includes a flash-emitting section (6, 170) for emitting flash light toward a photographic field, and a main capacitor (31, 155) for storing charge to be discharged in the flash-emitting section. The printed circuit board converts a current of a battery (12, 127) into a current of high voltage to be supplied to the main capacitor. An LED is driven to emit light in response to charging of the main capacitor at a predetermined level. The flash-emitting section is arranged to be slidably disposed on said printed circuit board.