JPH0332832U - - Google Patents
Info
- Publication number
- JPH0332832U JPH0332832U JP9270389U JP9270389U JPH0332832U JP H0332832 U JPH0332832 U JP H0332832U JP 9270389 U JP9270389 U JP 9270389U JP 9270389 U JP9270389 U JP 9270389U JP H0332832 U JPH0332832 U JP H0332832U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- slit
- piezoelectric substrate
- piezoelectric
- piezoelectric filter
- 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 description 11
- 238000010586 diagram Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989092703U JP2563654Y2 (ja) | 1989-08-07 | 1989-08-07 | 圧電フィルタ |
DE3936695A DE3936695A1 (de) | 1989-06-14 | 1989-11-03 | Piezoelektrischer resonator |
US07/431,539 US5159301A (en) | 1989-06-14 | 1989-11-03 | Piezoelectric resonator device of the tuning fork type |
FR8914512A FR2648642B1 (fr) | 1989-06-14 | 1989-11-06 | Dispositif resonateur piezo-electrique |
US07/919,100 US5373267A (en) | 1989-06-14 | 1992-07-23 | Piezoelectric resonator device of tuning fork type |
US08/061,248 US5373269A (en) | 1989-06-14 | 1993-05-12 | Piezoelectric resonator device of tuning fork type including a spacer member |
US08/476,051 US5644273A (en) | 1989-06-14 | 1995-06-07 | Piezoelectric resonator device of tuning fork type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989092703U JP2563654Y2 (ja) | 1989-08-07 | 1989-08-07 | 圧電フィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0332832U true JPH0332832U (pl) | 1991-03-29 |
JP2563654Y2 JP2563654Y2 (ja) | 1998-02-25 |
Family
ID=31642115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989092703U Expired - Lifetime JP2563654Y2 (ja) | 1989-06-14 | 1989-08-07 | 圧電フィルタ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2563654Y2 (pl) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5423394A (en) * | 1977-07-22 | 1979-02-21 | Kinsekisha Lab Ltd | Tuning fork piezooelectric vibrator |
JPS5561123A (en) * | 1978-10-31 | 1980-05-08 | Seiko Instr & Electronics Ltd | Lithium tantalate vibrator |
-
1989
- 1989-08-07 JP JP1989092703U patent/JP2563654Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5423394A (en) * | 1977-07-22 | 1979-02-21 | Kinsekisha Lab Ltd | Tuning fork piezooelectric vibrator |
JPS5561123A (en) * | 1978-10-31 | 1980-05-08 | Seiko Instr & Electronics Ltd | Lithium tantalate vibrator |
Also Published As
Publication number | Publication date |
---|---|
JP2563654Y2 (ja) | 1998-02-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |