JPH01102841U - - Google Patents

Info

Publication number
JPH01102841U
JPH01102841U JP19751287U JP19751287U JPH01102841U JP H01102841 U JPH01102841 U JP H01102841U JP 19751287 U JP19751287 U JP 19751287U JP 19751287 U JP19751287 U JP 19751287U JP H01102841 U JPH01102841 U JP H01102841U
Authority
JP
Japan
Prior art keywords
bottom plate
fixed
movable electrode
metal
electrode
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
Application number
JP19751287U
Other languages
English (en)
Other versions
JPH064305Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987197512U priority Critical patent/JPH064305Y2/ja
Publication of JPH01102841U publication Critical patent/JPH01102841U/ja
Application granted granted Critical
Publication of JPH064305Y2 publication Critical patent/JPH064305Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の小型圧力センサの例の構造を
示す断面図であり、第2図は従来の空気圧センサ
の例の断面図、第3図は静電容量型センサと組合
せて用いられる静電容量測定回路の例の構成図で
ある。 1……底板、2……ダイヤフラム、3……チツ
プ絶縁碍子、4……可動電極板、5……柱状絶縁
碍子、6……固定電極板、7……ヒーター板、8
……出力回路基板、9……シールドケース、21
……固定電極板、22……可動電極板、23……
ダイヤフラム、25……固定枠体、30……シー
ルドケース、P……圧力、C……静電容量、OS
C……可変周波数発振器、f―V……fV変換器

Claims (1)

    【実用新案登録請求の範囲】
  1. 金属性底板と金属性シールドケースとからなる
    ハウジング内に、該底板に対して周縁部が封着さ
    れて該底板の貫通孔より導入された圧力に対応す
    る変位を発生するダイヤフラムと、該ダイヤフラ
    ムに対して無機質絶縁片を介して固着された可動
    電極と、該底板に対して無機質絶縁体を介して該
    可動電極に対向して固定された固定電極と、該固
    定電極の背面に設けられた加熱要素と、を少くと
    も封入してなることを特徴とする小型圧力センサ
JP1987197512U 1987-12-28 1987-12-28 小型水圧センサ Expired - Lifetime JPH064305Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987197512U JPH064305Y2 (ja) 1987-12-28 1987-12-28 小型水圧センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987197512U JPH064305Y2 (ja) 1987-12-28 1987-12-28 小型水圧センサ

Publications (2)

Publication Number Publication Date
JPH01102841U true JPH01102841U (ja) 1989-07-11
JPH064305Y2 JPH064305Y2 (ja) 1994-02-02

Family

ID=31488059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987197512U Expired - Lifetime JPH064305Y2 (ja) 1987-12-28 1987-12-28 小型水圧センサ

Country Status (1)

Country Link
JP (1) JPH064305Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000321161A (ja) * 1999-05-14 2000-11-24 Anelva Corp 静電容量型真空センサ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921077U (ja) * 1972-05-27 1974-02-22
JPS52150887A (en) * 1976-06-09 1977-12-14 Toshiba Mach Co Ltd Indexing device for tooth cutting machine
JPS56148870A (en) * 1980-04-21 1981-11-18 Toshiba Corp Semiconductor presssure converter
JPS59171826A (ja) * 1983-03-22 1984-09-28 Copal Takeda Medical Kenkyusho:Kk 静電容量型圧力センサ−の温度補償装置
JPS61128138A (ja) * 1984-11-27 1986-06-16 Matsushita Electric Ind Co Ltd 湿度センサ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921077U (ja) * 1972-05-27 1974-02-22
JPS52150887A (en) * 1976-06-09 1977-12-14 Toshiba Mach Co Ltd Indexing device for tooth cutting machine
JPS56148870A (en) * 1980-04-21 1981-11-18 Toshiba Corp Semiconductor presssure converter
JPS59171826A (ja) * 1983-03-22 1984-09-28 Copal Takeda Medical Kenkyusho:Kk 静電容量型圧力センサ−の温度補償装置
JPS61128138A (ja) * 1984-11-27 1986-06-16 Matsushita Electric Ind Co Ltd 湿度センサ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000321161A (ja) * 1999-05-14 2000-11-24 Anelva Corp 静電容量型真空センサ

Also Published As

Publication number Publication date
JPH064305Y2 (ja) 1994-02-02

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