JPH0288184U - - Google Patents
Info
- Publication number
- JPH0288184U JPH0288184U JP16697388U JP16697388U JPH0288184U JP H0288184 U JPH0288184 U JP H0288184U JP 16697388 U JP16697388 U JP 16697388U JP 16697388 U JP16697388 U JP 16697388U JP H0288184 U JPH0288184 U JP H0288184U
- Authority
- JP
- Japan
- Prior art keywords
- fixed distance
- distance scale
- generation circuit
- rom
- reference clock
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Radar Systems Or Details Thereof (AREA)
Description
第１図はこの考案の一実施例による固定距離目
盛発生回路のブロツク図、第２図はこの考案の一
実施例である表示器に示された固定距離目盛の図
、第３図は従来の固定距離目盛発生回路のブロツ
ク図、第４図は従来の表示器に示された固定距離
目盛の図である。図において、１は基準クロツク
発生回路、４はビデオ増巾器、５はスイープ作成
回路、６は基準クロツク信号、７は表示用クロツ
ク信号、８は混合ビデオ信号、９はレーダトリガ
信号、１０はスイープビデオ信号、１１はレーダ
ビデオ信号、１３は並列出力カウンタ、１４は固
定距離指定回路、１５はＲＯＭ、１６はＤ／Ａコ
ンバータ、１７はＲＯＭアドレス、１８は固定距
離データ、１９は距離目盛データ、２０は固定距
離目盛、２１は輝度の高い固定距離目盛を示す。
なお、図中、同一符号は同一、又は相当部分を示
す。
Fig. 1 is a block diagram of a fixed distance scale generation circuit according to an embodiment of this invention, Fig. 2 is a diagram of a fixed distance scale shown on a display according to an embodiment of this invention, and Fig. 3 is a diagram of a conventional fixed distance scale generation circuit. A block diagram of a fixed distance scale generation circuit, FIG. 4, is a diagram of a fixed distance scale shown on a conventional display. In the figure, 1 is a reference clock generation circuit, 4 is a video amplifier, 5 is a sweep generation circuit, 6 is a reference clock signal, 7 is a display clock signal, 8 is a mixed video signal, 9 is a radar trigger signal, and 10 is a sweep. 11 is a radar video signal, 13 is a parallel output counter, 14 is a fixed distance designation circuit, 15 is a ROM, 16 is a D/A converter, 17 is a ROM address, 18 is fixed distance data, 19 is distance scale data, 20 is a fixed distance scale, and 21 is a high brightness fixed distance scale.
In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
レスを指定するためのカウンタと、目盛データを
記憶するためのＲＯＭとを備えたことを特徴とす
る固定距離目盛発生回路。 A fixed distance scale generation circuit for a PPI display, comprising a reference clock, a counter for specifying an address, and a ROM for storing scale data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16697388U JPH0288184U (en) | 1988-12-24 | 1988-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16697388U JPH0288184U (en) | 1988-12-24 | 1988-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0288184U true JPH0288184U (en) | 1990-07-12 |
Family
ID=31454846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16697388U Pending JPH0288184U (en) | 1988-12-24 | 1988-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0288184U (en) |
-
1988
- 1988-12-24 JP JP16697388U patent/JPH0288184U/ja active Pending
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