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Transmission pulse generating circuit and image pickup equipment

A technology of pulse generator and random number generator, which is applied in the direction of pulse generation with predetermined statistical distribution of parameters, image communication, pulse position modulation, etc., which can solve problems such as appearing on the screen, and achieve the effect of reducing visual recognition

Inactive Publication Date: 2010-01-13
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] Although these are two independent phenomena, the generation mechanism is the same in FPN and continuity (continuity of linear noise in vertical transfer period, continuity of point noise between frames or fields), so that if both Generate linear noise and point noise, then linear noise always appears on the screen

Method used

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  • Transmission pulse generating circuit and image pickup equipment
  • Transmission pulse generating circuit and image pickup equipment
  • Transmission pulse generating circuit and image pickup equipment

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Embodiment Construction

[0049] In the embodiments to be described below, by exemplarily using the Figure 5 and Figure 8 Similar pulses Vφ1 to Vφ6 are shown in the timing diagram, describing the generation of basic timing. The rising timing of pulse Vφ6 is T1, the falling timing of pulse Vφ2 is T2, the rising timing of pulse Vφ1 is T3, the falling timing of pulse Vφ3 is T4, the rising timing of pulse Vφ2 is T5, the falling timing of pulse Vφ4 is T6, and the falling timing of pulse Vφ3 is T6. The rising timing of the pulse Vφ5 is T8, the rising timing of the pulse Vφ4 is T9, the falling timing of the pulse Vφ6 is T10, the rising timing of the pulse Vφ5 is T11, and the falling timing of the pulse Vφ1 is T12.

[0050] figure 1 is a schematic diagram of a timing generator equipped with an example of a transfer pulse generator circuit to which the present invention is applied. The composition of the timing generator 1 shown in the figure is: a horizontal direction counter 2, which starts counting sync...

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Abstract

The present invention relates to a transferring pulse-generator circuit which is used to output the transferring pulse of the vertical register, and the circuit includes a transferring pulse control device which is used to set the ascending and descending of the transferring pulse of the vertical register as the desired timing in the prescribed period.

Description

technical field [0001] The invention relates to a transfer pulse generator circuit and an image pickup device. More particularly, the present invention relates to a transfer pulse generator circuit for generating a vertical register transfer pulse for driving a vertical register of a charge-coupled device (CCD) type solid-state image pickup device, and to a An image pickup device equipped with a CCD type solid-state image pickup device having a transfer pulse generator circuit. Background technique [0002] In an image pickup apparatus equipped with a CCD-type solid-state image pickup device, charges accumulated in each light-receiving element provided in the light-receiving portion of the CCD-type solid-state image pickup device are transferred to vertical registers, transferred to each vertical The charge of the register is transferred to the horizontal register, and the charge transferred to the horizontal register is transferred to the output circuit. The output from t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/335H04N3/15H03K3/84H03K7/04H04N25/00
Inventor 下野隆史田上浩康
Owner SONY CORP