JPH0393930U - - Google Patents
Info
- Publication number
- JPH0393930U JPH0393930U JP186590U JP186590U JPH0393930U JP H0393930 U JPH0393930 U JP H0393930U JP 186590 U JP186590 U JP 186590U JP 186590 U JP186590 U JP 186590U JP H0393930 U JPH0393930 U JP H0393930U
- Authority
- JP
- Japan
- Prior art keywords
- level conversion
- substrates
- card
- conversion circuits
- level
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Programmable Controllers (AREA)
- Logic Circuits (AREA)
Description
第１図は本考案実施例の端子接続例を示す側面
図、第２図は本考案実施例のレベル変換回路の回
路構成を示す回路図、第３図は本考案実施例の信
号線の接続関係を示す説明図、第４図は従来例の
レベル変換回路の回路構成を示す回路図、第５図
は従来例の信号線の接続関係を示す説明図、第６
図は従来例の端子接続例を示す側面図である。
３−１……電源入力端子、３−２……電源供給
端子、５……レベル変換ユニツト、６，１５……
出力用端子、７，１６……制御信号接続用端子。
Fig. 1 is a side view showing an example of terminal connection in the embodiment of the invention, Fig. 2 is a circuit diagram showing the circuit configuration of the level conversion circuit in the embodiment of the invention, and Fig. 3 is a connection of signal lines in the embodiment of the invention. 4 is a circuit diagram showing the circuit configuration of a conventional level conversion circuit. FIG. 5 is an explanatory diagram showing the connection relationship of signal lines in the conventional example.
The figure is a side view showing an example of a conventional terminal connection. 3-1...Power input terminal, 3-2...Power supply terminal, 5...Level conversion unit, 6, 15...
Output terminal, 7, 16...Terminal for control signal connection.
Claims (1)
複数のレベル変換回路をそれぞれ複数のカード状
基板に設置し、当該複数のカード状基板を１つの
ケース内に段上に配設して収納したレベル変換ユ
ニツトにおいて、前記複数のレベル変換回路に駆
動電圧を供給するための１つの電源供給用端子を
前記ケース内に設けたことを特徴とするレベル変
換ユニツト。 A plurality of level conversion circuits that convert the level value of an input signal to another level value are respectively installed on a plurality of card-like substrates, and the plurality of card-like substrates are arranged and stored in a single case on a stage. A level conversion unit characterized in that one power supply terminal for supplying drive voltage to the plurality of level conversion circuits is provided in the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP186590U JPH0393930U (en) | 1990-01-12 | 1990-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP186590U JPH0393930U (en) | 1990-01-12 | 1990-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0393930U true JPH0393930U (en) | 1991-09-25 |
Family
ID=31505752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP186590U Pending JPH0393930U (en) | 1990-01-12 | 1990-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0393930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101489508B1 (en) * | 2008-03-06 | 2015-02-03 | 엘지전자 주식회사 | Fan grill for outdoor unit |
-
1990
- 1990-01-12 JP JP186590U patent/JPH0393930U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101489508B1 (en) * | 2008-03-06 | 2015-02-03 | 엘지전자 주식회사 | Fan grill for outdoor unit |
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