JPS61191680U - - Google Patents
Info
- Publication number
- JPS61191680U JPS61191680U JP7437885U JP7437885U JPS61191680U JP S61191680 U JPS61191680 U JP S61191680U JP 7437885 U JP7437885 U JP 7437885U JP 7437885 U JP7437885 U JP 7437885U JP S61191680 U JPS61191680 U JP S61191680U
- Authority
- JP
- Japan
- Prior art keywords
- vertical synchronization
- standard
- signal
- image
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010561 standard procedure Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案によるテレビジヨン標準方式変
換装置の一実施例を示すブロツク図、第２図はそ
の動作を説明するための波形図、第３図は本考案
の説明に供する線図、第４図は従来のテレビジヨ
ン標準方式変換装置の構成例を示すブロツク図、
第５図及び第６図は従来装置の動作のを説明する
ための波形図である。
１は第１の標準方式の受像装置、６は撮像素子
、７はγ補正回路、８は振幅制御回路、１０は垂
直同期結合回路、２０は第２の標準方式の撮像装
置である。
FIG. 1 is a block diagram showing an embodiment of the television standard format converter according to the present invention, FIG. 2 is a waveform diagram for explaining its operation, FIG. 3 is a diagram for explaining the present invention, and FIG. Figure 4 is a block diagram showing an example of the configuration of a conventional television standard format conversion device.
5 and 6 are waveform diagrams for explaining the operation of the conventional device. Reference numeral 1 denotes a first standard type image receiving device, 6 an image pickup device, 7 a gamma correction circuit, 8 an amplitude control circuit, 10 a vertical synchronization coupling circuit, and 20 a second standard type image pickup device.
Claims (1)
式の受像装置と、該受像装置の画像を撮像するた
めの第２のフイールド周波数を有する第２の標準
方式の撮影装置と、 上記第１及び第２の標準方式の一方の垂直同期
信号に基いて上記第１及び第２のフイールド周波
数の差の周波数の垂直同期結合信号と、上記第１
及び第２の標準方式の他方の垂直同期信号とを発
生する垂直同期結合回路と、 上記撮像装置の映像信号が供給されると共に、
上記垂直同期結合信号に基づく制御信号によつて
上記第２の標準方式の所定フイールド期間中上記
映像信号の振幅を制御する振幅制御回路とを有す
るテレビジヨン標準方式変換装置において、 上記振幅制御回路を上記撮像装置の撮像素子と
γ補正回路との間に接続して成るテレビジヨン標
準方式変換装置。[Claims for Utility Model Registration] A first standard type image receiving device having a first field frequency, and a second standard type photographing device having a second field frequency for capturing an image of the image receiving device. and a vertical synchronization combined signal having a frequency that is the difference between the first and second field frequencies based on the vertical synchronization signal of one of the first and second standard systems;
and a vertical synchronization coupling circuit that generates the other vertical synchronization signal of the second standard method;
and an amplitude control circuit that controls the amplitude of the video signal during a predetermined field period of the second standard format using a control signal based on the vertical synchronization combined signal, the amplitude control circuit comprising: A television standard format conversion device connected between an image sensor and a γ correction circuit of the above image pickup device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7437885U JPS61191680U (en) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7437885U JPS61191680U (en) | 1985-05-20 | 1985-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61191680U true JPS61191680U (en) | 1986-11-28 |
Family
ID=30614621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7437885U Pending JPS61191680U (en) | 1985-05-20 | 1985-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61191680U (en) |
-
1985
- 1985-05-20 JP JP7437885U patent/JPS61191680U/ja active Pending
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