Abstract: An image input apparatus having a lens unit and a photoelectric transducer and includes an automatic exposure circuit for controlling an amount of exposure onto the photoelectric transducer so that it becomes a predetermined standard value, a correction circuit for modifying the standard value, and a reset circuit for converting a correction value corrected by the correction circuit into the aforementioned standard value. Also provided is a controller for selecting a first mode for modifying data representing an amount of light exposure on the photoelectric transducer, and a second mode for modifying data representing a focal length of the lens unit. The reset circuit further includes a common increase/decrease change-over switch for increasing and decreasing corresponding data in each mode selected by the controller.

Abstract: An image sensing device includes an image sensor; a photometric element which is arranged separate from the image sensor to measure light with a diaphragm aperture fully opened; a storing time control circuit arranged to variably control the storing time of the image sensor; a circuit arranged to form exposure control information from the output of the image sensor on the basis of the output of the photometric element at least under a condition in which the storing time is controlled by the storing time control circuit; and an exposure control circuit arranged to control the exposed condition of the image sensor on the basis of the exposure control information.

Abstract: An electronic still/motion picture photography system including an optical-electronic transducer for producing electrical signals responsive to an optical image, a light information control member, such as a diaphragm, for controlling the state of light information incident on the transducer, a discriminating circuit for discriminating the state of light information as it is controlled by the light information control member, a drive source responsive to the output of the discriminating circuit for driving the light information control member, a recorder for recording the output of the transducer, an indicating switch for indicating the amount of output representing the exposed image to be recorded by the recorder, and a operating circuit responsive to the output of the indicating switch for changing the driving characteristics of the drive source.

Abstract: A color sensing apparatus includes an image sensor which is arranged to produce a plurality of chrominance signals by converting light from an object into an electrical signal; a light source color detecting circuit which is arranged to detect a color of light from a light source; a flash device; a flash light quantity detecting circuit having a flash light detecting part which is arranged to detect the quantity of flash light of the flash device; and a control circuit which is arranged to control the color balance of the chrominance signals on the basis of a detection output of the flash light quantity detecting circuit and that of the light source color detecting circuit.

Abstract: An image pickup apparatus comprises: an image sensor for converting an optical image into distribution information of a minority carrier; a control circuit for periodically forming a first state in that a majority carrier is accumulated in the image sensor and a second state in that at least a part of the minority carrier is recombined with this majority carrier; a readout circuit for reading out the information in the image sensor; a recording apparatus for selectively recording the information for a predetermined interval from the information to be read out by the readout circuit with regard to the trigger operation for a still photograph; and a stopping circuit for stopping the control operation of the control circuit in association with the start of the recording by the recording apparatus or the closing of a shutter or in response to a low luminous condition or the like.

Abstract: In an image sensing apparatus of the kind having an optical system for forming an image of an object, an image sensor arranged to convert information on image bearing light incident on the optical system into an electrical signal and to read out the electrical signal either in a field mode in which two line portions of the signal are added together in reading or in a frame mode in which the line portions of said signal are read out one by one, and a flash device, a control circuit is arranged to control the selection of either the field mode or the frame mode according to a focal length of the optical system or according to a signal indicative of completion of preparation for flashing by the flash device.

Abstract: An image pickup apparatus comprises: an image sensor for converting an optical image into distribution information of minority carrier; a control circuit for periodically forming a first state in that majority carrier is accumulated in the image sensor and a second state in that at least a part of the minority carrier is recombined with this majority carrier; a readout circuit for reading out the information in the image sensor; a recording apparatus for selectively recording the information for a predetermined interval from the information to be read out by the readout circuit with regard to the trigger operation for a still photograph; and a stopping circuit for stopping the control operation of the control circuit in association with the start of the recording by the recording apparatus or the closing of a shutter or in response to a low luminous condition or the like.

Abstract: Control device for controlling the driving motion of an exposure member, such as a diaphragm or shutter, so as to variably control the aperture opening thereof, wherein a particular value for the diaphragm or shutter is determined and the diaphragm or shutter is set to the determined value, and if the determined value is detected by a detector while the diaphragm or shutter is in the initial state, the diaphragm or shutter is initially driven in the opening or closing direction.

Abstract: An apparatus having an UP and DOWN switches which enable the user to set photographing conditions or parameters of the photographing condition, and which has a reproducing function by itself or by connection to an external device through an adapter. The UP and DOWN switches also enable the user to effect the frame or track feed for allowing a head to make an access to a desired track during reproduction.

Abstract: An image pickup apparatus of the kind using an object illuminating device is provided with a colorimetric circuit which is arranged to measure the hue of ambient light existing around an object to be photographed other than the illumination light of the illuminating device. The light source of the illuminating device is provided with a hue adjustment circuit. The apparatus is thus arranged to adjust the hue of the illumination light generated by the illuminating device to the hue of the ambient light.

Abstract: An image sensing apparatus having simple structural arrangement and improved responsivity includes an image sensor arranged to convert an optical image into an electrical signal; an exposure control circuit arranged to control an exposure state of the image sensor; a sensitivity control circuit arranged to control a sensitivity of the apparatus; and an arithmetic control circuit arranged to have the sensitivity increased to a predetermined degree by the sensitivity control circuit and to have a degree of exposure, controlled by the exposure control circuit, decreased approximately to the above-stated predetermined degree when an exposure condition is outside of the exposure controllable limits of the exposure control circuit. Since the apparatus has the sensitivity control circuit arranged to automatically control the sensitivity of the apparatus in combination with a display circuit which is arranged to display the operating state of the sensitivity control circuit, an erroneous operation can be prevented.

Abstract: An imaging sensing system of the kind using an illuminating device includes an image sensing device which converts an image of an object to be photographed into an electrical signal, an indicating device which produces a distance signal corresponding to a distance to the object and a control device which controls the gain of the electrical signal of the image sensing device according to the distance signal of the indicating device or the illuminative power of the illuminating device.

Abstract: An image sensing device includes a voltage converting device for supplying power for driving a peripheral equipment component such as a flash unit used with the image sensing device, a recording device for recording an audio signal and a control device for prohibiting simultaneous operation of the voltage converting device and the recording device. The control device has a control mode in which both the peripheral equipment and the recording device are used at the time of photography. The control device also has a control mode in which the peripheral equipment is operated in preference to the recording devide. Accordingly, the mixture of noise from the voltage converting device with the audio recording signal is prevented.

Abstract: A starting arrangement for a flash device is arranged to be capable of responding to either a flash device of the type having a high voltage trigger circuit and a flash device of another type having a low voltage trigger circuit. The starting arrangement has a starting circuit for triggering a high voltage and another starting circuit for triggering a low voltage. The two starting circuits are connected in parallel with each other.

Abstract: The disclosed image sensing device has a light measuring circuit for measuring the luminance of an object to be photographed or recorded and a photometric characteristic control circuit for shifting the photometric characteristic of the light measuring circuit from one characteristic to another according to change-over between a still picture taking mode and a motion picture taking mode. The photometric characteristic control circuit makes the photometric sensitivity distribution of the light measurement circuit more averaged or uniformalized in the motion picture taking mode than in the still picture mode.

Abstract: In an image pick-up apparatus, an image pick-up arrangement converts an object image into electrical signals, a light metering portion other than the image pick-up arrangement detects the brightness of the object image, and a diaphragm regulates the amount of light reaching the image pick-up arrangement. A control controls the aperture value of the diaphragm in response to the output of the image pick-up arrangement and the output of the light metering portion.

Abstract: The disclosed image sensor device for obtaining a still picture, achieves a high degree of color reproducibility by adjusting white balance using the output of an image sensor. The white balance is adequately controlled with the levels of signals from the image sensor made apposite by controlling the light quantity incident on the image sensor during the white balance adjustment.

Abstract: An electronic still/motion picture photography system includes an optical-electronic transducer for producing electrical signals responsive to an optical image, a light information control member such as a diaphragm for controlling the state of the light information incident on the transducer, a discriminating circuit for determining the state of the light information as it is controlled by the light information control member, a drive source responsive to the output of the discriminating circuit for driving the light information control member, a recorder for recording the output of the transducer, an indicating switch for indicating the amount of output representing the exposed image to be recorded by the recorder, and a computer circuit responsive to the output of the indicating switch for changing the driving characteristics of the drive source.

Abstract: A photometric circuit which has an operational amplifier and produces a result of light measurement with a logarithmic compression element arranged between the input and output terminals of the operational amplifier to logarithmically compress a signal obtained by photo-electric transducing a measured light is characterized by inclusion of a circuit which selectively switches the logarithmic compression element to short-circuit the input and output terminals of the amplifier between them. The photometric circuit includes a capacitor to be charged with a photo current; a switching circuit for discharging the electric charge of the capacitor; an amplifying circuit for amplifying the voltage of the capacitor; a computing circuit for performing a computing operation on the amplifying circuit and a reference value; a setting circuit for setting the reference value according to the output of the amplifying circuit produced while the electric charge of the capacitor is being discharged by the switching circuit.

Abstract: An exposure control apparatus including a diaphragm for controlling the exposure amount on a focal plane, a light metering element for measuring the light passing through an aperture opening of the diaphragm, a servo control circuit for servo controlling the size of the aperture opening by the output of the light metering element, and a signal forming circuit receptive of the output of the light metering element for producing an output signal for controlling the light amount of a flash device.