JPS63136467U - - Google Patents
Info
- Publication number
- JPS63136467U JPS63136467U JP2688487U JP2688487U JPS63136467U JP S63136467 U JPS63136467 U JP S63136467U JP 2688487 U JP2688487 U JP 2688487U JP 2688487 U JP2688487 U JP 2688487U JP S63136467 U JPS63136467 U JP S63136467U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- signal
- amplifying
- controlled
- amplification means
- 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
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Focusing (AREA)
Description
第１図は本考案の基本的な回路構成図、第２図
はその具体的な一実施例の回路図、第３図は輝度
信号の合焦点の特性図、第４図は可聴周波数信号
の合焦点の特性図である。
１……帯域増幅手段、２……自動利得制御手段
、３……検波手段、４……電圧制御発振手段、５
……音響増幅手段。
Fig. 1 is a basic circuit configuration diagram of the present invention, Fig. 2 is a circuit diagram of a specific embodiment thereof, Fig. 3 is a characteristic diagram of a focused point of a luminance signal, and Fig. 4 is a diagram of an audio frequency signal. It is a characteristic diagram of a focused point. DESCRIPTION OF SYMBOLS 1... Band amplification means, 2... Automatic gain control means, 3... Detection means, 4... Voltage controlled oscillation means, 5
...Sound amplification means.
Claims (1)
信号を増幅する帯域増幅手段と、その増幅された
信号を直流電圧に変換する検波手段と、その直流
電圧により制御され、可聴周波数で動作する電圧
制御発振手段と、電圧制御発振手段の出力を増幅
し、音響出力する音響増幅手段とを備えたことを
特徴とするフオーカス確認装置。 A band amplification means for amplifying a high frequency component signal in a luminance signal of a video signal, a detection means for converting the amplified signal into a DC voltage, and a voltage control that is controlled by the DC voltage and operates at an audio frequency. A focus confirmation device comprising: oscillation means; and acoustic amplification means for amplifying the output of the voltage-controlled oscillation means and outputting sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2688487U JPS63136467U (en) | 1987-02-25 | 1987-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2688487U JPS63136467U (en) | 1987-02-25 | 1987-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63136467U true JPS63136467U (en) | 1988-09-07 |
Family
ID=30828393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2688487U Pending JPS63136467U (en) | 1987-02-25 | 1987-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63136467U (en) |
-
1987
- 1987-02-25 JP JP2688487U patent/JPS63136467U/ja active Pending
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