JPH0435472U - - Google Patents
Info
- Publication number
- JPH0435472U JPH0435472U JP7722190U JP7722190U JPH0435472U JP H0435472 U JPH0435472 U JP H0435472U JP 7722190 U JP7722190 U JP 7722190U JP 7722190 U JP7722190 U JP 7722190U JP H0435472 U JPH0435472 U JP H0435472U
- Authority
- JP
- Japan
- Prior art keywords
- intermittent sound
- variable resistor
- earphones
- timer circuit
- period
- 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
Landscapes
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Description
第1図は本考案の斜視図、第2図は本考案の破
断図。
はタイマー回路、は可変抵抗、はイヤホ
ン。
FIG. 1 is a perspective view of the present invention, and FIG. 2 is a cutaway view of the present invention. is a timer circuit, is a variable resistor, is an earphone.
Claims (1)
させる。 (ロ) 可変抵抗により断続音の周期を変える。 (ハ) 断続音をイヤホンより流す。[Scope of claims for utility model registration] (a) Intermittent sound is generated by a timer circuit and power supply. (b) Change the period of the intermittent sound using a variable resistor. (c) Play intermittent sound through earphones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7722190U JPH0435472U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7722190U JPH0435472U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435472U true JPH0435472U (en) | 1992-03-25 |
Family
ID=31619406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7722190U Pending JPH0435472U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435472U (en) |
-
1990
- 1990-07-20 JP JP7722190U patent/JPH0435472U/ja active Pending