JPH0195639U - - Google Patents

Info

Publication number
JPH0195639U
JPH0195639U JP19165287U JP19165287U JPH0195639U JP H0195639 U JPH0195639 U JP H0195639U JP 19165287 U JP19165287 U JP 19165287U JP 19165287 U JP19165287 U JP 19165287U JP H0195639 U JPH0195639 U JP H0195639U
Authority
JP
Japan
Prior art keywords
output
pulse width
oscillator
width modulator
frequency
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
JP19165287U
Other languages
English (en)
Other versions
JPH0535301Y2 (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 JP19165287U priority Critical patent/JPH0535301Y2/ja
Publication of JPH0195639U publication Critical patent/JPH0195639U/ja
Application granted granted Critical
Publication of JPH0535301Y2 publication Critical patent/JPH0535301Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示すブロツク構成
図、第２図はパルス幅変調器におけるパルス幅変
調の前後と温度変化に基づくパルス幅の変化を示
す図、第３図は従来の周波数調整の一実施例を示
す説明図、第４図は温度と共振周波数の関係を示
す図である。 １……発振器、２……パルス幅変調器、３……
カウンタ、４……基準クロツク、１０……水晶振
動子。

Claims (1)

    【実用新案登録請求の範囲】
  1. 発振器と組合わされて共振周波数で振動する水
    晶振動子と、前記発振器からの周波数出力を入力
    し基準設定電圧の出力に基づいてその周波数のデ
    ユーテイ比を変化させるパルス幅変調器と、前記
    パルス幅変調器からの出力をカウントするカウン
    タを備えたことを特徴とする水晶温度計。
JP19165287U 1987-12-17 1987-12-17 Expired - Lifetime JPH0535301Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19165287U JPH0535301Y2 (ja) 1987-12-17 1987-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19165287U JPH0535301Y2 (ja) 1987-12-17 1987-12-17

Publications (2)

Publication Number Publication Date
JPH0195639U true JPH0195639U (ja) 1989-06-23
JPH0535301Y2 JPH0535301Y2 (ja) 1993-09-08

Family

ID=31482554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19165287U Expired - Lifetime JPH0535301Y2 (ja) 1987-12-17 1987-12-17

Country Status (1)

Country Link
JP (1) JPH0535301Y2 (ja)

Also Published As

Publication number Publication date
JPH0535301Y2 (ja) 1993-09-08

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