JPS6335135U - - Google Patents
Info
- Publication number
- JPS6335135U JPS6335135U JP1986127084U JP12708486U JPS6335135U JP S6335135 U JPS6335135 U JP S6335135U JP 1986127084 U JP1986127084 U JP 1986127084U JP 12708486 U JP12708486 U JP 12708486U JP S6335135 U JPS6335135 U JP S6335135U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- amplification
- photoelectric conversion
- inverting
- amplifying
- 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 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Position Input By Displaying (AREA)
Description
第１図は本考案のライトペン信号増幅回路の一
実施例を示した回路図、第２図は第１図に示した
回路の動作信号波形図、第３図は本考案の他の実
施例を示した回路図、第４図は従来のライトペン
信号増幅回路の一例を示した回路図、第５図は第
１図に示した回路の動作信号波形図、第６図はＣ
ＲＴにおけるライトペンの選択部例を示した図、
第７図はライトペンの垂直方向の受光角が広がつ
た場合の第４図に示した回路の動作波形図である
。
１……フオトトランジスタ、３，４……増幅器
、５……比較器、８……検波回路、８１……ダイ
オード、８２……抵抗、８３……コンデンサ。
Figure 1 is a circuit diagram showing one embodiment of the light pen signal amplification circuit of the present invention, Figure 2 is an operating signal waveform diagram of the circuit shown in Figure 1, and Figure 3 is another embodiment of the present invention. 4 is a circuit diagram showing an example of a conventional light pen signal amplification circuit, FIG. 5 is an operating signal waveform diagram of the circuit shown in FIG.
A diagram showing an example of a light pen selection section in RT,
FIG. 7 is an operational waveform diagram of the circuit shown in FIG. 4 when the vertical light receiving angle of the light pen is widened. 1... Phototransistor, 3, 4... Amplifier, 5... Comparator, 8... Detection circuit, 81... Diode, 82... Resistor, 83... Capacitor.
Claims (1)
変換手段が出力する受光信号を反転増幅する第１
の増幅手段と、前記第１の増幅手段の出力信号を
検波する検波手段と、この検波手段が出力する検
波信号を反転増幅する第２の増幅手段と、この第
２の増幅手段が出力する信号を波形整形してパル
ス信号とする波形整形手段とを具備して成ること
を特徴とするライトペン信号増幅回路。 A photoelectric conversion means for photoelectrically converting the raster light, and a first photoelectric conversion means for inverting and amplifying the received light signal outputted by the photoelectric conversion means.
amplification means, a detection means for detecting the output signal of the first amplification means, a second amplification means for inverting and amplifying the detected signal outputted by the detection means, and a signal outputted by the second amplification means. A light pen signal amplification circuit comprising: waveform shaping means for shaping the waveform of the signal into a pulse signal.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986127084U JPS6335135U (en) | 1986-08-22 | 1986-08-22 | |
| US07/077,876 US4847696A (en) | 1986-07-28 | 1987-07-27 | System with a timer screen, for reserving the recording of TV programs |
| GB8717747A GB2195849B (en) | 1986-07-28 | 1987-07-27 | System with a timer screen, for reserving the recording of tv programs |
| DE19873724975 DE3724975A1 (en) | 1986-07-28 | 1987-07-28 | SYSTEM FOR PRE-PROGRAMMING TELEVISION PROGRAM RECORDINGS |
| KR1019870008183A KR910003205B1 (en) | 1986-07-28 | 1987-07-28 | Weekly reservation system for tv program recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986127084U JPS6335135U (en) | 1986-08-22 | 1986-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6335135U true JPS6335135U (en) | 1988-03-07 |
Family
ID=31021496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986127084U Pending JPS6335135U (en) | 1986-07-28 | 1986-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6335135U (en) |
-
1986
- 1986-08-22 JP JP1986127084U patent/JPS6335135U/ja active Pending