Abstract: A solid state imaging device is disclosed in which photodiodes are arranged regularly in horizontal and vertical directions and generate signal charges in response to incident light, the signal charge thus obtained and smear charges stored on vertical signal lines are alternately and separately transferred to an output end by a horizontal charge transfer device, each of the smear charges is converted at the output end into a first voltage, the resultant charge of a signal charge following the above smear charge and another kind of smear charge is converted at the output end into a second voltage, a reset operation for the smear charge and resultant charge held at the output end is performed at an interval twice as long as the repetition period of a transfer pulse applied to the horizontal charge transfer device, and at least one of the first and second voltages is attenuated or amplified so that a difference between the first and second voltages thus processed provides an image signal in which any smear compo

Abstract: Disclosed is a two-dimensionally arrayed solid-state imaging device for a television camera having a photodiode array arranged at a photo-sensing section and a readout horizontal register constructed by a charge transfer device (CTD) such as a BCD, CCD or BBD. An inverter circuit is provided for each of the vertical signal lines. An input of the inverter circuit is connected to a vertical signal line drain of at least one transfer transistor arranged between the vertical signal line and the CTD, and an output of the inverter circuit is connected to a gate of the transfer transistor. Transfer efficiency is improved by the insertion of the inverter circuit and fixed pattern noise is substantially reduced by supplying bias currents.

Abstract: Disclosed is a solid-state imaging device wherein optical information of a number of photo-electric conversion elements arranged in a matrix is read into vertical signal lines by a vertical shift register and then the optical information on the vertical signal lines is horizontally scanned by a horizontal register of a charge transfer device. Bias charge storage means and quasi-signal sweep-out drains are disposed between the horizontal register and the vertical signal lines, and a bias charge input means is arranged in the horizontal register. In order to ensure high efficiency in transferring signals between the vertical lines to the storage means, the sweep-out drains and the charge transfer device, it is arranged for bias charges to be provided at each stage of transfer. Thus, bias charges supplied from the storage means are used to transfer charges from the vertical lines to the storage means.

Abstract: A pulse generator circuit for a solid-state television camera comprising a first circuit arrangement including a shift register of endless type for obtaining pulses of a horizontal scanning frequency for television, a second circuit arrangement for obtaining necessary pulse trains of the horizontal scanning frequency for a television camera from a plurality of output pulses of the shift register and a third circuit arrangement for dividing the pulse obtained by the second circuit arrangement by two-different factors of mode, n and n+1, and delaying the 1/n frequency-divided mode pulse by 1/2 horizontal scanning period in response to the output pulse from the second circuit arrangement thereby obtaining a frame pulse capable of interlaced scanning.

Abstract: The present invention relates to a color imaging device which suppresses false color signals appearing in an area where the difference of brightnesses is great in the horizontal or vertical direction.When the correlation between picture elements adjacent in the vertical direction is little and the false signal appears in a boundary part in the vertical direction, the false signal is detected, whereupon a color signal is demodulated by utilizing the correlation between the signals of picture elements in the horizontal direction. On the other hand, when the correlation between picture elements adjacent in the horizontal direction is little and the false signal appears in a boundary part in the horizontal direction, the false signal is detected, whereupon a color signal is demodulated by utilizing the correlation between the signals of picture elements in the vertical direction.As a result, the moire phenomenon attributed to the false color signals can be conspicuously reduced.

Abstract: A color imaging apparatus having a plurality of image pickup tubes which pick up respective optical images of primary colors separated from one optical image includes a registration control circuit which operates to hold a picture of high quality at all times by controlling the registration of the images of the respective image pickup tubes on a real time basis during the operation of the camera. To this end a circuit detects those local image signals which satisfy predetermined requisites which are most favorable for use as reference signals to control the registration and these detected image signals are temporarily stored so as to be used for the registration operation. The most favorable requisites of the local image areas selected for registration control are (1) those having no movement, (2) those having a contour which is sharp and (3) those having a chroma which is low.

Abstract: This invention relates to a solid-state imaging apparatus wherein photo signals are read out through MOS type FETs from photosensors such as photodiodes arrayed in two dimensions in large numbers, and consists in remarkably enhancing the signal-to-noise ratio of an output signal by reducing or eliminating noise components to mix into the photo signals.The analysis of the noise components has revealed the correlation in which the noise component in a certain polarity develops in the opposite polarity again after a period that is shorter than one horizontal scanning period by the duration of one horizontal scanning pulse. With note taken of the correlation, a solid-state imaging apparatus comprising a processing circuit which includes a delay circuit and an adder circuit and which cancels the noise is provided.

Abstract: A solid state image pickup device having a plurality of solid state elements in a two-dimensional array so as to form picture cells. Each solid state element includes a photoelectric converting element and a switching field effect transistor to permit scanning of the elements by scanners. To counteract noise and blooming, a second field effect transistor acting as an amplifier is connected between the photoelectric converting element and the switching field effect transistor. A third field effect transistor is coupled to the photoelectric converting element for resetting the same.

Abstract: A solid-state imaging apparatus comprising first means for sample-holding spike noise generated from a horizontal switching element constituting the apparatus second means for sample-holding spike noise opposite in phase to the first-mentioned spike noise, and third means for adding outputs of the first and second means.

Abstract: In a solid state color imaging apparatus comprising photo sensitive element arrays arranged horizontally and vertically, means for reading out parallel photo signals of the photo sensitive element arrays on two horizontal lines and delivering the read out photo signals to first and second output circuits, and a mosaic color filter disposed in front of the photo sensitive elements and having luminance filtering counterparts arranged horizontally and vertically one after the other and two types of color filtering counterparts arranged at the remaining positions and on alternate horizontal lines, the horizontal clock from the reading out means has a frequency of 7.16 MHz so that color difference signals having the chrominance subcarrier component of 3.58 MHz are directly obtained in the first and second output circuits.

Abstract: A solid-state color imaging device is provided including a plurality of photosensors which are arrayed in horizontal and vertical directions, and a mosaic color filter made up of filter elements arranged in correspondence with the respective photosensors. The mosaic color filter is arranged such that any group of four adjacent filter elements comprises a first filter which is made for panchromatic transmission, a second filter which is selected from among a first spectral region-transmitting filter, a second spectral region-transmitting filter and a third spectral region-transmitting filter respectively exhibiting different transmission characteristics, and third and fourth filters which are made of complementary color filters which transmit the transmission light component of the second filter and which have transmission components different from each other.

Abstract: A solid-state color imaging device including a plurality of photosensors which are arrayed in the horizontal and vertical directions, and a mosaic color filter which is made up of filter elements arranged in correspondence with the respective photosensors. Any four adjacent filter elements of the mosaic color filter have different characteristics from one another with the first and second filter elements of the four adjacent filter elements being selected from the group consisting of first, second and third spectral region transmitting filters having different transmission characteristics, and the third and fourth filter elements of the four adjacent filter elements being complementary color filters of the respective first and second filter elements selected and being arranged adjacent the first and second filter elements, respectively, in the vertical direction.

Abstract: A solid state image pickup device includes a matrix array of pn-junction type photo-diodes formed in a monolithic semiconductor substrate, vertical switching FET's of MOS type each connected to the associated photo diode for reading out electric charge stored therein, a vertical shift register for supplying control pulses to gate terminals of the vertical switching MOS FET's, vertical output conductors each for connecting together those of the vertical switching MOS FET's arrayed in the same rows, horizontal switching MOS FET's for horizontal read out connected to the other end of the vertical output conductors, a horizontal shift register for supplying control pulses to gate terminals of the horizontal switching MOS FET's and a horizontal output conductor connecting in common the outputs of the horizontal switching MOS FET's.

Abstract: In a video signal play-back circuit connected so that a play-back signal from a magnetic head may be applied to an amplifier circuit through a resonance circuit which consists of an inductance element and a capacitance element, a resistor for adjusting the quality factor Q of the resonance circuit is connected between one terminal of the resonance circuit and one output terminal of the amplifier circuit, thereby to reduce thermal noises which develop from the Q adjusting resistor.

Abstract: In a solid-state imaging device wherein a plurality of photoelectric conversion elements, horizontal and vertical scanning circuits for addressing the photoelectric conversion elements, and horizontal and vertical switching transistors are comprised in a major surface region of an N (or P)-type semiconductor body, a solid-state imaging device characterized in that a plurality of P (or N)-type impurity layers isolated from one another are disposed in the major surface region of the semiconductor body, that the switching transistors and the photoelectric conversion elements are integrated in one of the impurity layers, the horizontal scanning circuit being integrated in another impurity layer, the vertical scanning circuit being integrated in still another impurity layer, and that predetermined voltages are applied to electrodes disposed on the respective impurity layers.