JPH046899U - - Google Patents
Info
- Publication number
- JPH046899U JPH046899U JP4750090U JP4750090U JPH046899U JP H046899 U JPH046899 U JP H046899U JP 4750090 U JP4750090 U JP 4750090U JP 4750090 U JP4750090 U JP 4750090U JP H046899 U JPH046899 U JP H046899U
- Authority
- JP
- Japan
- Prior art keywords
- melody
- signal
- response
- generation circuit
- speaker
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は従来のろうそく用メロデイ発生装置の
概略図。第２図は本考案実施例の概略図。第３図
は第２図のブロツク図。第４図はフオトトランジ
スタの指向特性図。第５図は第４図の回路例図。
第６図はフオトトランジスタの周囲照度と光電圧
特性図。
１……ろうそく本体、２……炎検出部、３……
メロデイ発生部、４……ろうそく固定台、５……
炎検出部（非接触）、６……ワンシヨツトマルチ
バイブレータ、７……発振回路、８……増幅器、
９……スピーカ、１０ａ，１０ｂ……フオトトラ
ンジスタ、１１……比較器。
FIG. 1 is a schematic diagram of a conventional candle melody generator. FIG. 2 is a schematic diagram of an embodiment of the present invention. Figure 3 is a block diagram of Figure 2. Figure 4 is a directional characteristic diagram of a phototransistor. FIG. 5 is an example circuit diagram of FIG. 4.
Figure 6 is a diagram of the ambient illuminance and photovoltage characteristics of the phototransistor. 1... Candle body, 2... Flame detection section, 3...
Melody generating part, 4... Candle fixing stand, 5...
Flame detection unit (non-contact), 6... One-shot multivibrator, 7... Oscillation circuit, 8... Amplifier,
9...Speaker, 10a, 10b...Phototransistor, 11...Comparator.
Claims (1)
サと、該センサ信号に応じてメロデイを発生する
メロデイ発生回路と、該メロデイ発生回路信号を
増幅する増幅器と、該増幅信号に応じて発振する
スピーカを備えてなる、ろうそく用メロデイ発生
装置。 A flame detection sensor that detects a candle flame without contact, a melody generation circuit that generates a melody in response to the sensor signal, an amplifier that amplifies the melody generation circuit signal, and a speaker that oscillates in response to the amplified signal. A melody generator for candles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4750090U JPH046899U (en) | 1990-05-07 | 1990-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4750090U JPH046899U (en) | 1990-05-07 | 1990-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046899U true JPH046899U (en) | 1992-01-22 |
Family
ID=31563484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4750090U Pending JPH046899U (en) | 1990-05-07 | 1990-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013047459A1 (en) | 2011-09-26 | 2013-04-04 | 富士フイルム株式会社 | Variable color display method using phase difference film |
-
1990
- 1990-05-07 JP JP4750090U patent/JPH046899U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013047459A1 (en) | 2011-09-26 | 2013-04-04 | 富士フイルム株式会社 | Variable color display method using phase difference film |