JPH0327329U - - Google Patents
Info
- Publication number
- JPH0327329U JPH0327329U JP8817489U JP8817489U JPH0327329U JP H0327329 U JPH0327329 U JP H0327329U JP 8817489 U JP8817489 U JP 8817489U JP 8817489 U JP8817489 U JP 8817489U JP H0327329 U JPH0327329 U JP H0327329U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- thermal expansion
- powder
- detection sensor
- coefficient
- 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
- 239000000843 powder Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
Description
第１図及び第２図は本考案の一実施例で、第１
図は粉体検知センサの断面図、第２図は同外観一
部分解斜視図、第３図は従来例の粉体検知センサ
の断面図である。
１……金属板、２……圧電素子、３……金属ケ
ース、４……センサ、６……粉体検知センサ。
Figures 1 and 2 show an embodiment of the present invention;
The figure is a sectional view of a powder detection sensor, FIG. 2 is a partially exploded perspective view of the same external appearance, and FIG. 3 is a sectional view of a conventional powder detection sensor. 1... Metal plate, 2... Piezoelectric element, 3... Metal case, 4... Sensor, 6... Powder detection sensor.
Claims (1)
センサにおいて、センサを構成する圧電素子と金
属板との熱膨脹率を略一致させると共に、該セン
サを支持する支持部材を前記センサの熱膨脹率に
略一致する金属ケースとしたことを特徴とする粉
体検知センサ。 In a powder detection sensor for detecting a powder developer of an image forming apparatus, the piezoelectric element and the metal plate constituting the sensor have substantially the same coefficient of thermal expansion, and a support member that supports the sensor has a coefficient of thermal expansion of the sensor. A powder detection sensor characterized by having substantially matching metal cases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8817489U JPH0327329U (en) | 1989-07-27 | 1989-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8817489U JPH0327329U (en) | 1989-07-27 | 1989-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0327329U true JPH0327329U (en) | 1991-03-19 |
Family
ID=31637802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8817489U Pending JPH0327329U (en) | 1989-07-27 | 1989-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0327329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180001600U (en) * | 2016-11-21 | 2018-05-30 | 조현숙 | Disposable packing box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57167684A (en) * | 1981-04-08 | 1982-10-15 | Hitachi Ltd | Semiconductor diaphram type sensor |
| JPS6019934B2 (en) * | 1981-12-16 | 1985-05-18 | 三井化学株式会社 | pigment dispersant |
| JPH0127635B2 (en) * | 1987-05-11 | 1989-05-30 | Sanyo Electric Co |
-
1989
- 1989-07-27 JP JP8817489U patent/JPH0327329U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57167684A (en) * | 1981-04-08 | 1982-10-15 | Hitachi Ltd | Semiconductor diaphram type sensor |
| JPS6019934B2 (en) * | 1981-12-16 | 1985-05-18 | 三井化学株式会社 | pigment dispersant |
| JPH0127635B2 (en) * | 1987-05-11 | 1989-05-30 | Sanyo Electric Co |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180001600U (en) * | 2016-11-21 | 2018-05-30 | 조현숙 | Disposable packing box |