JPH0162634U - - Google Patents
Info
- Publication number
- JPH0162634U JPH0162634U JP1987156819U JP15681987U JPH0162634U JP H0162634 U JPH0162634 U JP H0162634U JP 1987156819 U JP1987156819 U JP 1987156819U JP 15681987 U JP15681987 U JP 15681987U JP H0162634 U JPH0162634 U JP H0162634U
- Authority
- JP
- Japan
- Prior art keywords
- photoelectric switch
- sounding body
- circuit
- drive circuit
- oscillator
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 1
- 238000004092 self-diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は、ブザー発振器の具体例、第３図は本考
案の別実施例を示す図である。
１……光電スイツチ回路、４……光電スイツチ
発振器、８……発音体駆動回路、９……ブザー（
発音体）、１０……ブザー発振器。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 shows a specific example of a buzzer oscillator, and FIG. 3 shows another embodiment of the present invention. 1... Photoelectric switch circuit, 4... Photoelectric switch oscillator, 8... Sound element drive circuit, 9... Buzzer (
sounding body), 10...buzzer oscillator.
Claims (1)
発音体駆動回路と、 該駆動回路によつて鳴動される発音体と、を具
備することを特徴とする光電スイツチ。 (2) 前記発音体駆動回路は切換スイツチによつ
て光電スイツチ回路の検出々力端子又は自己診断
出力端子と選択的に接続されることを特徴とする
実用新案登録請求の範囲第(1)項に記載の光電ス
イツチ。 (3) 発音体が圧電ブザーであり、発音体駆動回
路が圧電ブザーを駆動する発振器を備えているこ
とを特徴とする実用新案登録請求の範囲第(1)項
に記載の光電スイツチ。 (4) 前記発音体駆動回路が光電スイツチ回路に
内蔵の光電スイツチ発振器を利用していることを
特徴とする実用新案登録請求の範囲第(1)項若し
くは第(3)項に記載の光電スイツチ。[Claims for Utility Model Registration] (1) A photoelectric switch circuit, a sounding body drive circuit to which an output signal from the photoelectric switch circuit is applied, and a sounding body sounded by the drive circuit. Features a photoelectric switch. (2) Utility model registration claim (1) characterized in that the sounding body drive circuit is selectively connected to a detection power terminal or a self-diagnosis output terminal of a photoelectric switch circuit by a changeover switch. Photoelectric switch described in . (3) The photoelectric switch according to claim (1), wherein the sounding body is a piezoelectric buzzer, and the sounding body driving circuit includes an oscillator that drives the piezoelectric buzzer. (4) The photoelectric switch according to claim 1 or 3, wherein the sounding body drive circuit utilizes a photoelectric switch oscillator built into a photoelectric switch circuit. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987156819U JPH083947Y2 (en) | 1987-10-14 | 1987-10-14 | Photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987156819U JPH083947Y2 (en) | 1987-10-14 | 1987-10-14 | Photoelectric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0162634U true JPH0162634U (en) | 1989-04-21 |
| JPH083947Y2 JPH083947Y2 (en) | 1996-01-31 |
Family
ID=31435701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987156819U Expired - Lifetime JPH083947Y2 (en) | 1987-10-14 | 1987-10-14 | Photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083947Y2 (en) |
-
1987
- 1987-10-14 JP JP1987156819U patent/JPH083947Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083947Y2 (en) | 1996-01-31 |
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