JPS61120961U - - Google Patents
Info
- Publication number
- JPS61120961U JPS61120961U JP19790184U JP19790184U JPS61120961U JP S61120961 U JPS61120961 U JP S61120961U JP 19790184 U JP19790184 U JP 19790184U JP 19790184 U JP19790184 U JP 19790184U JP S61120961 U JPS61120961 U JP S61120961U
- Authority
- JP
- Japan
- Prior art keywords
- optical sensor
- film
- data track
- passed
- reading device
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Description
第１図は、本考案の実施例を示す要部の説明図
、第２図は同配線図、第３図は光電変換による電
気信号を示すもので、イは光等の変化時における
もの、ロは黒レベルの変化検出手段によるもの、
ハは変化のない時におけるもの、第４図は従来例
を示すもので、イは装置要部の説明図、ロは全体
の構成図である。
１……フイルム、１ａ……データトラツク、１
ｂ……黒レベル部分、２，３……光フアイバー、
４，５……光センサ、６，７……増幅器、８……
コンパレータ。
Fig. 1 is an explanatory diagram of the main parts showing an embodiment of the present invention, Fig. 2 is a wiring diagram of the same, and Fig. 3 shows an electrical signal by photoelectric conversion. B is due to black level change detection means,
C shows the state when there is no change, FIG. 4 shows a conventional example, A is an explanatory diagram of the main parts of the device, and B is an overall configuration diagram. 1...Film, 1a...Data track, 1
b...Black level part, 2, 3...Optical fiber,
4, 5... optical sensor, 6, 7... amplifier, 8...
comparator.
補正 昭６０．４．２６
図面の簡単な説明を次のように補正する。
本願明細書、第５頁１４行〜１７行目、「第３
図は光電変換……におけるもの、」を「第３図は
、光電変換による電気信号を示すグラフ図、」と
補正する。Amendment April 26, 1980 The brief description of the drawing is amended as follows. Specification of the present application, page 5, lines 14 to 17, “3rd
``The figure shows photoelectric conversion...'' is corrected to ``Figure 3 is a graph showing electrical signals resulting from photoelectric conversion.''
Claims (1)
ベルを通過した光を光センサで受光し、増幅器、
波形整形回路を介して出力パルスを発するように
したフイルムデータの読取装置において、前記フ
イルムのデータトラツク以外の黒レベルを通過し
た光を受光する光センサを設けると共に、この光
センサからの信号と、前記データトラツク用光セ
ンサからの信号とを比較するコンパレータを設け
たことを特徴とするフイルムデータの読取装置。 The light that has passed through the black and white level of the data track formed on the film is received by an optical sensor, and an amplifier,
A film data reading device configured to emit output pulses through a waveform shaping circuit is provided with an optical sensor that receives light that has passed through a black level other than the data track of the film, and a signal from the optical sensor; A film data reading device comprising a comparator for comparing the signal from the data track optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19790184U JPS61120961U (en) | 1984-12-30 | 1984-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19790184U JPS61120961U (en) | 1984-12-30 | 1984-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61120961U true JPS61120961U (en) | 1986-07-30 |
Family
ID=30756440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19790184U Pending JPS61120961U (en) | 1984-12-30 | 1984-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61120961U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842428B1 (en) * | 1970-06-18 | 1973-12-12 | ||
| JPS50105229A (en) * | 1974-01-24 | 1975-08-19 | ||
| JPS5129383A (en) * | 1974-09-05 | 1976-03-12 | Sumitomo Chemical Co | |
| JPS5356927A (en) * | 1976-11-02 | 1978-05-23 | Fujitsu Ltd | Bar-code detector |
-
1984
- 1984-12-30 JP JP19790184U patent/JPS61120961U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842428B1 (en) * | 1970-06-18 | 1973-12-12 | ||
| JPS50105229A (en) * | 1974-01-24 | 1975-08-19 | ||
| JPS5129383A (en) * | 1974-09-05 | 1976-03-12 | Sumitomo Chemical Co | |
| JPS5356927A (en) * | 1976-11-02 | 1978-05-23 | Fujitsu Ltd | Bar-code detector |
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