JPH03103696U - - Google Patents
Info
- Publication number
- JPH03103696U JPH03103696U JP13904489U JP13904489U JPH03103696U JP H03103696 U JPH03103696 U JP H03103696U JP 13904489 U JP13904489 U JP 13904489U JP 13904489 U JP13904489 U JP 13904489U JP H03103696 U JPH03103696 U JP H03103696U
- Authority
- JP
- Japan
- Prior art keywords
- case
- acoustic device
- piezoelectric acoustic
- circumferential surface
- terminal plate
- 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
- 239000000758 substrate Substances 0.000 claims 1
- 230000001788 irregular Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989139044U JPH0749911Y2 (ja) | 1989-11-30 | 1989-11-30 | 圧電音響装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989139044U JPH0749911Y2 (ja) | 1989-11-30 | 1989-11-30 | 圧電音響装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03103696U true JPH03103696U (tr) | 1991-10-28 |
JPH0749911Y2 JPH0749911Y2 (ja) | 1995-11-13 |
Family
ID=31686113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989139044U Expired - Lifetime JPH0749911Y2 (ja) | 1989-11-30 | 1989-11-30 | 圧電音響装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0749911Y2 (tr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57201000U (tr) * | 1981-06-17 | 1982-12-21 | ||
JPS6454498U (tr) * | 1987-09-30 | 1989-04-04 |
-
1989
- 1989-11-30 JP JP1989139044U patent/JPH0749911Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57201000U (tr) * | 1981-06-17 | 1982-12-21 | ||
JPS6454498U (tr) * | 1987-09-30 | 1989-04-04 |
Also Published As
Publication number | Publication date |
---|---|
JPH0749911Y2 (ja) | 1995-11-13 |