JPS598182U - Zero return mechanism - Google Patents

Zero return mechanism

Info

Publication number
JPS598182U
JPS598182U JP10366482U JP10366482U JPS598182U JP S598182 U JPS598182 U JP S598182U JP 10366482 U JP10366482 U JP 10366482U JP 10366482 U JP10366482 U JP 10366482U JP S598182 U JPS598182 U JP S598182U
Authority
JP
Japan
Prior art keywords
motor
zero
sensor
return mechanism
switch
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
Application number
JP10366482U
Other languages
Japanese (ja)
Inventor
彰雄 伊藤
Original Assignee
ジエコ−株式会社
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 by ジエコ−株式会社 filed Critical ジエコ−株式会社
Priority to JP10366482U priority Critical patent/JPS598182U/en
Publication of JPS598182U publication Critical patent/JPS598182U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案機構を適用した時計のムーブメントの一
実施例の断面図、第２図は本考案機構の一実施例の回路
−である。゛ １・・・モータ、２・・・４番歯車、２ａ・・・貫通孔
、１７・・・フォトセンサ、１７ａ・・・発光ダイオー
ド、１７ｂ・・・フォトトランジスタ、１９・・・モー
タ駆動回路、２１〜２３・・・ナンド回路、Ｑ１＋　Ｑ
２・・・トランジスタ、Ｒ工〜Ｒ４・・・抵抗、ＳＷ・
・・スイッチ。FIG. 1 is a sectional view of an embodiment of a timepiece movement to which the mechanism of the present invention is applied, and FIG. 2 is a circuit diagram of an embodiment of the mechanism of the present invention. 1... Motor, 2... 4th gear, 2a... Through hole, 17... Photo sensor, 17a... Light emitting diode, 17b... Photo transistor, 19... Motor drive circuit , 21-23... NAND circuit, Q1+Q
2...Transistor, R-R4...Resistor, SW・
··switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] モータにより回転駆動される歯車の零位置を検出するセ
ンサと、使用者により開閉成されるスイッチと、該ス、
イツチが閉成された後該センサを動作状態とし該センサ
より零位置の検出信号が供給されるまでの間該モータを
高速回転させるための指示信号を発生する論理回路と、
該論理回路より該指示信号を供給される該モータを高速
回転させて該歯車の回転軸に固定された指針を零復帰せ
しめるモータ駆動回路とよりなる零復帰機構。a sensor that detects the zero position of a gear rotationally driven by a motor; a switch that is opened and closed by a user;
a logic circuit that generates an instruction signal to put the sensor in an operating state after the switch is closed and rotate the motor at high speed until a zero position detection signal is supplied from the sensor;
A zero return mechanism comprising a motor drive circuit that causes the motor supplied with the instruction signal from the logic circuit to rotate at high speed to return a pointer fixed to the rotating shaft of the gear to zero.
JP10366482U 1982-07-08 1982-07-08 Zero return mechanism Pending JPS598182U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10366482U JPS598182U (en) 1982-07-08 1982-07-08 Zero return mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10366482U JPS598182U (en) 1982-07-08 1982-07-08 Zero return mechanism

Publications (1)

Publication Number Publication Date
JPS598182U true JPS598182U (en) 1984-01-19

Family

ID=30243746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10366482U Pending JPS598182U (en) 1982-07-08 1982-07-08 Zero return mechanism

Country Status (1)

Country Link
JP (1) JPS598182U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4965870A (en) * 1972-10-24 1974-06-26
JPS507564A (en) * 1973-05-17 1975-01-25
JPS50131570A (en) * 1974-03-25 1975-10-17
JPS54101372A (en) * 1977-12-31 1979-08-09 Ebauchesfabrik Eta Ag Crystal oscillator watch provided with analog time display portion with manual time change device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4965870A (en) * 1972-10-24 1974-06-26
JPS507564A (en) * 1973-05-17 1975-01-25
JPS50131570A (en) * 1974-03-25 1975-10-17
JPS54101372A (en) * 1977-12-31 1979-08-09 Ebauchesfabrik Eta Ag Crystal oscillator watch provided with analog time display portion with manual time change device

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