Abstract: An imaging system having an imaging device for producing images of objects and picture signals and an imaging controller connected to the imaging device through a transmission line. The imaging device includes a vertical synchronizing signal-producing circuit to produce an internal vertical synchronizing signal for the production of images of objects. The imaging controller includes a delay-measuring circuit and a vertical-synchronization phase-advancing circuit. In the system, the imaging controller transmits a test signal to the imaging device and receives the test signal returned from the imaging device. The delay-measuring circuit measures a delay of a phase of the returned test signal relative to a phase of the transmitted test signal. The vertical-synchronization phase-advancing circuit then advances a phase of an external vertical synchronizing signal by the delay and transmits the external vertical synchronizing signal to the imaging device.

Abstract: An imaging apparatus includes a camera device, a signal processor that receives a video signal from the camera, and a connection cable connecting the camera device and the signal processor. The camera device includes a first phase controller that compares the phase of a synchronization signal transmitted from the signal processor with the phase of an internal signal generated by the camera device, and that synchronizes the phase of the internal signal with the phase of the synchronization signal, a video synchronization signal generator that generates a video synchronization signal for the video signal based on the internal signal, and a signal transmitter that transmits the video signal. The signal processor includes a second phase controller that compares the phase of the video synchronization signal with the phase of the synchronization signal, and that synchronizes the phase of the video synchronization signal with the phase of the synchronization signal.

Abstract: Disclosed is an imaging system having an imaging device for producing images of objects and picture signals and an imaging controller connected to the imaging device through a transmission line. The imaging device includes a vertical synchronizing signal-producing circuit to produce an internal vertical synchronizing signal for the production of images of objects. The imaging controller includes a delay-measuring circuit and a vertical-synchronization phase-advancing circuit.

Abstract: The present invention makes it possible to easily and additionally write positional information of the defective pixel which is difficult to deal with using an automated writing mode, and that, without using any special writing jig in the case where a new defective pixel is occurred in a solid state image element. Concretely, a solid state image device in which solid state image means of N lines in the vertical direction and M pixels in the horizontal direction is arranged in a matrix comprises display means for displaying a position of a defective pixel occurred at a solid state image means, position selection means manually operated so as to select the position of the defective pixel on the screen of this display means and memory means for memorizing positional information D1 of the defective pixel selected by this position selection means.

Abstract: An imaging apparatus includes a camera device, a signal processor that receives a video signal from the camera, and a connection cable connecting the camera device and the signal processor. The camera device includes a first phase controller that compares the phase of a synchronization signal transmitted from the signal processor with the phase of an internal signal generated by the camera device, and that synchronizes the phase of the internal signal with the phase of the synchronization signal, a video synchronization signal generator that generates a video synchronization signal for the video signal based on the internal signal, and a signal transmitter that transmits the video signal. The signal processor includes a second phase controller that compares the phase of the video synchronization signal with the phase of the synchronization signal, and that synchronizes the phase of the video synchronization signal with the phase of the synchronization signal.

Abstract: Disclosed herein is an edge enhancement circuit which is capable of reducing required memory capacity and power consumption. An input analog video signal HVa is sampled based on a clock signal CLKH1, to obtain a digital video signal HVb. An edge-enhanced signal HIEa is obtained by a filter operation using the video signal HVb and its delayed signals HVc and HVd. The video signal HVa is sampled based on a clock signal CLKH2 kept in inverse phase with the clock signal CLKH1 to obtain a digital video signal HVe, after which its delayed signal HVf is obtained. Pixel data constituting the video signals HVf and HVc are alternately taken out based on a clock signal CLKH3 having a frequency corresponding to that of the clock signal CLKH1 to obtain a main-line signal HVg. The main-line signal HVg and edge-enhanced signal HIEa are respectively converted to analog signals, which in turn are added together to obtain an edge-enhanced output analog video signal HVi.

Abstract: The present invention makes it possible to easily and additionally write positional information of the defective pixel which is difficult to deal with using an automated writing mode, and that, without using any special writing jig in the case where a new defective pixel is occurred in a solid state image element.

Abstract: A solid-state imaging apparatus functioning as an electronic shutter accumulates charge, is discharged during the horizontal blanking periods and provides charge accumulated since the last discharge as an image output signal in response to an image output pulse. When the level of the image output signal corresponds to a dark object, the charge accumulation time is controlled to be relatively long, so that a charge accumulation period timing resolution of one horizontal period is sufficient. When the level of the image output signal corresponds to a light object, the charge accumulation time is controlled to be relatively short with more accurate timing resolution than for a dark object by continuously controlling the discharge timing defining the start of the charge accumulation period.

Abstract: A video recording apparatus having a built-in type camera which includes an imager for picking up an object and a recorder for recording a video signal derived from the imager in accordance with a predetermined format having an analog-to-digital converter for converting the video signal from the image to digital image data, a memory for storing the digital image data, a converting circuit for converting the image data read out from the memory to an image signal, a superimposing circuit for superimposing the image signal formed of the image data upon the video signal from the imager, a control circuit for controlling the writing and reading of the image data in the memory, a first operation switch for causing the control circuit to store the image data in the memory, a second operation switch for causing the control circuit to superimpose the image signal upon the video signal, and a third operation switch causing the control circuit to designate the color of the image signal, wherein when the second operation