JPS62191297U - - Google Patents
Info
- Publication number
- JPS62191297U JPS62191297U JP7961086U JP7961086U JPS62191297U JP S62191297 U JPS62191297 U JP S62191297U JP 7961086 U JP7961086 U JP 7961086U JP 7961086 U JP7961086 U JP 7961086U JP S62191297 U JPS62191297 U JP S62191297U
- Authority
- JP
- Japan
- Prior art keywords
- ceramic plate
- piezoelectric effect
- capacitor
- polarized
- sandwiching
- 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
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第1〜4図は本考案のセラミツクマイクロホン
の構成を例示し、第1図は電極の配列をセラミツ
ク板を省略して示す斜視図、第2図はこれの等価
回路図、第3図は成品の同様の斜視図、第4図は
これの等価回路図、第5図以下は従来のセラミツ
クマイクロホン素子を例示し、第5図は電極を分
割しない素子の斜視図、第6図はこれの等価回路
図、第7図は電極を2分割した素子をセラミツク
板を省略して示す斜視図、第8図はこれの等価回
路図、第9図は電極の分割数による素子の感度増
加値を示す線図、第10図は別個のコンデンサを
付加したときの等価回路図である。
1:セラミツク板、1a,1b:セラミツク板
の部分、2,3,3a,3b:電極、4,5:リ
ード線、6,7:端子、8:コンデンサ、9,1
0,11,12:電極、13,14…リード線、
15:導体片。
Figures 1 to 4 illustrate the configuration of the ceramic microphone of the present invention, Figure 1 is a perspective view showing the arrangement of electrodes with the ceramic plate omitted, Figure 2 is its equivalent circuit diagram, and Figure 3 is the finished product. 4 is an equivalent circuit diagram of this, FIG. 5 and the following are examples of conventional ceramic microphone elements, FIG. 5 is a perspective view of an element without dividing electrodes, and FIG. 6 is an equivalent circuit diagram of this. Circuit diagram, Fig. 7 is a perspective view showing an element with an electrode divided into two, with the ceramic plate omitted, Fig. 8 is an equivalent circuit diagram thereof, and Fig. 9 shows the increase in sensitivity of the element depending on the number of electrode divisions. The diagram, FIG. 10, is an equivalent circuit diagram when a separate capacitor is added. 1: Ceramic plate, 1a, 1b: Ceramic plate part, 2, 3, 3a, 3b: Electrode, 4, 5: Lead wire, 6, 7: Terminal, 8: Capacitor, 9, 1
0, 11, 12: electrode, 13, 14... lead wire,
15: Conductor piece.
Claims (1)
割して、成極されて圧電効果を持つセラミツク板
部分を挾み直列接続される複数のコンデンサと、
成極されないで圧電効果を持たないセラミツク板
部分を挾む出力減衰用のコンデンサとを同一素子
内に形成し、出力減衰用のコンデンサを圧電効果
を持つコンデンサの一部のものに並列接続して成
るセラミツクマイクロホン素子。 A plurality of capacitors are connected in series by dividing electrodes attached to both sides of a single ceramic plate and sandwiching the polarized ceramic plate portion that has a piezoelectric effect.
An output attenuation capacitor sandwiching a ceramic plate part that is not polarized and has no piezoelectric effect is formed in the same element, and the output attenuation capacitor is connected in parallel with a part of the capacitor that has a piezoelectric effect. Ceramic microphone element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7961086U JPS62191297U (en) | 1986-05-28 | 1986-05-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7961086U JPS62191297U (en) | 1986-05-28 | 1986-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62191297U true JPS62191297U (en) | 1987-12-05 |
Family
ID=30929630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7961086U Pending JPS62191297U (en) | 1986-05-28 | 1986-05-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62191297U (en) |
-
1986
- 1986-05-28 JP JP7961086U patent/JPS62191297U/ja active Pending