JPH0429238U - - Google Patents
Info
- Publication number
- JPH0429238U JPH0429238U JP7119290U JP7119290U JPH0429238U JP H0429238 U JPH0429238 U JP H0429238U JP 7119290 U JP7119290 U JP 7119290U JP 7119290 U JP7119290 U JP 7119290U JP H0429238 U JPH0429238 U JP H0429238U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- airborne
- transmitter
- reception
- generators
- 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 2
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Analogue/Digital Conversion (AREA)
- Electronic Switches (AREA)
Description
第１図乃至第４図は本考案の第１の実施例を示
し、第１図は電気回路図、第２図は横断面図、第
３図は遮蔽体とフオトカプラとの夫々異なる位置
関係を示す作用説明図、第４図は論理回路の入出
力信号の関係を示す作用説明図であり、そして、
第５図乃至第８図は本考案の第２の実施例を示す
第１図乃至第４図相当図である。
図面中、１はケース、２及び３はフオトカプラ
（信号発生器）、１０及び１１は発光ダイオード
（発信子）、１２及び１３はフオトトランジスタ
（受信子）、１４は遮蔽体、２１及び２２はシユ
ミツト回路、２５は論理回路、３０は出力回路、
３５はフオトカプラ（信号発生器）、３９は発光
ダイオード（発信子）、４０はフオトトランジス
タ（受信子）、４１は遮蔽体、４４はシユミツト
回路、４６は論理回路、５９は出力回路を示す。
1 to 4 show a first embodiment of the present invention, FIG. 1 is an electric circuit diagram, FIG. 2 is a cross-sectional view, and FIG. 3 shows different positional relationships between the shield and the photocoupler. FIG. 4 is an explanatory diagram showing the relationship between input and output signals of a logic circuit, and
5 to 8 are views corresponding to FIGS. 1 to 4 showing a second embodiment of the present invention. In the drawing, 1 is a case, 2 and 3 are photocouplers (signal generators), 10 and 11 are light emitting diodes (transmitters), 12 and 13 are phototransistors (receivers), 14 is a shield, and 21 and 22 are Schmitts. circuit, 25 is a logic circuit, 30 is an output circuit,
35 is a photocoupler (signal generator), 39 is a light emitting diode (transmitter), 40 is a phototransistor (receiver), 41 is a shield, 44 is a Schmitt circuit, 46 is a logic circuit, and 59 is an output circuit.
Claims (1)
からの空中伝播信号を受信する受信子からなる信
号発生器を複数個を設け、これらの複数個の信号
発生器における空中伝播信号の通路を横切るよう
に移動してこれらの通路を選択的に遮断する遮蔽
体を設け、前記複数個の信号発生器における受信
子の受信及び非受信の組合せに応じた選択信号を
出力する出力回路を設けたことを特徴とする選択
信号発生装置。 A plurality of signal generators each consisting of a transmitter that transmits an airborne signal and a receiver that receives the airborne signal from the transmitter are provided, and a signal generator that crosses the path of the airborne signal in these plurality of signal generators is provided. A shield is provided that moves to selectively block these paths, and an output circuit is provided that outputs a selection signal according to the combination of reception and non-reception of the receivers in the plurality of signal generators. Features of selection signal generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7119290U JPH0429238U (en) | 1990-07-04 | 1990-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7119290U JPH0429238U (en) | 1990-07-04 | 1990-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429238U true JPH0429238U (en) | 1992-03-09 |
Family
ID=31608004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7119290U Pending JPH0429238U (en) | 1990-07-04 | 1990-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429238U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60211711A (en) * | 1984-04-03 | 1985-10-24 | サンアロ−株式会社 | Keyboard switch |
| JPS61114616A (en) * | 1984-11-09 | 1986-06-02 | Chino Works Ltd | Switch circuit |
| JPS6261541B2 (en) * | 1979-07-17 | 1987-12-22 | Nippon Denshin Denwa Kk | |
| JPS6366807A (en) * | 1986-09-05 | 1988-03-25 | 富士通株式会社 | Key input unit |
-
1990
- 1990-07-04 JP JP7119290U patent/JPH0429238U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6261541B2 (en) * | 1979-07-17 | 1987-12-22 | Nippon Denshin Denwa Kk | |
| JPS60211711A (en) * | 1984-04-03 | 1985-10-24 | サンアロ−株式会社 | Keyboard switch |
| JPS61114616A (en) * | 1984-11-09 | 1986-06-02 | Chino Works Ltd | Switch circuit |
| JPS6366807A (en) * | 1986-09-05 | 1988-03-25 | 富士通株式会社 | Key input unit |
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