JPS62127596U - - Google Patents
Info
- Publication number
- JPS62127596U JPS62127596U JP1591586U JP1591586U JPS62127596U JP S62127596 U JPS62127596 U JP S62127596U JP 1591586 U JP1591586 U JP 1591586U JP 1591586 U JP1591586 U JP 1591586U JP S62127596 U JPS62127596 U JP S62127596U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- selection means
- driving frequency
- alarm clock
- driving
- 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
Landscapes
- Electromechanical Clocks (AREA)
Description
第1図は本考案の一実施例を示した断面図、第
2図は第1図の他の動作態様を示した断面図、第
3図及び第4図はそれぞれ音圧―周波数特性を示
した特性図である。
1……振動板、2……圧電振動子、4……押え
部材。
Fig. 1 is a sectional view showing one embodiment of the present invention, Fig. 2 is a sectional view showing another operating mode of Fig. 1, and Figs. 3 and 4 respectively show sound pressure-frequency characteristics. FIG. 1... Vibration plate, 2... Piezoelectric vibrator, 4... Pressing member.
Claims (1)
つてアラーム音を登生するアラーム時計において
、駆動周波数を複数種類の中から選択する選択手
段と、この選択手段によつて選択された駆動周波
数に応じて上記振動板の有効外径を変化させる手
段とを具備したことを特徴とするアラーム時計。 In an alarm clock that generates an alarm sound by piezoelectrically or electromagnetically driving a diaphragm, there is provided a selection means for selecting a driving frequency from among a plurality of types, and a driving frequency selected by the selection means. An alarm clock comprising means for changing the effective outer diameter of the diaphragm accordingly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986015915U JPH0447754Y2 (en) | 1986-02-06 | 1986-02-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986015915U JPH0447754Y2 (en) | 1986-02-06 | 1986-02-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62127596U true JPS62127596U (en) | 1987-08-13 |
JPH0447754Y2 JPH0447754Y2 (en) | 1992-11-11 |
Family
ID=30807289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986015915U Expired JPH0447754Y2 (en) | 1986-02-06 | 1986-02-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0447754Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5182516B2 (en) * | 2006-11-09 | 2013-04-17 | 日本電気株式会社 | Piezoelectric speaker and electronic device including the piezoelectric speaker |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57130400U (en) * | 1981-02-04 | 1982-08-13 | ||
JPS6142200U (en) * | 1984-08-22 | 1986-03-18 | 株式会社田村電機製作所 | piezoelectric vibrator |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156706A (en) * | 1978-01-16 | 1979-05-29 | The Marley Cooling Tower Company | Fan cylinder having invisible eased inlet |
-
1986
- 1986-02-06 JP JP1986015915U patent/JPH0447754Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57130400U (en) * | 1981-02-04 | 1982-08-13 | ||
JPS6142200U (en) * | 1984-08-22 | 1986-03-18 | 株式会社田村電機製作所 | piezoelectric vibrator |
Also Published As
Publication number | Publication date |
---|---|
JPH0447754Y2 (en) | 1992-11-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS62127596U (en) | ||
JPS58184995U (en) | Piezoelectric electroacoustic transducer | |
JPS61191543U (en) | ||
JPH02130196U (en) | ||
JPS61111298U (en) | ||
JPS6140099U (en) | piezoelectric speaker | |
JPH0446798U (en) | ||
JPS6434100U (en) | ||
JPS636960Y2 (en) | ||
JPH01100199U (en) | ||
JPS63178998U (en) | ||
JPS61166694U (en) | ||
JPS6038000U (en) | piezoelectric speaker | |
JPS6227000U (en) | ||
JPS63198500A (en) | Planar speaker | |
JPH0175888U (en) | ||
JPS62186598U (en) | ||
JPH0165595U (en) | ||
JPH01119297U (en) | ||
JPS63200992U (en) | ||
JPS59118397U (en) | piezoelectric speaker | |
JPH0226898U (en) | ||
JPS6416797U (en) | ||
JPH01113499U (en) | ||
JPS6425299U (en) |