JPS5542054A - Watch with gas detector - Google Patents

Watch with gas detector

Info

Publication number
JPS5542054A
JPS5542054A JP11560978A JP11560978A JPS5542054A JP S5542054 A JPS5542054 A JP S5542054A JP 11560978 A JP11560978 A JP 11560978A JP 11560978 A JP11560978 A JP 11560978A JP S5542054 A JPS5542054 A JP S5542054A
Authority
JP
Japan
Prior art keywords
frequency
standard
crystal vibrator
detecting
counter
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
JP11560978A
Other languages
Japanese (ja)
Other versions
JPS6157590B2 (en
Inventor
Shiro Fukuda
Motonobu Takano
Nakanobu Moriya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seikosha KK
Original Assignee
Seikosha KK
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 Seikosha KK filed Critical Seikosha KK
Priority to JP11560978A priority Critical patent/JPS5542054A/en
Publication of JPS5542054A publication Critical patent/JPS5542054A/en
Publication of JPS6157590B2 publication Critical patent/JPS6157590B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0064—Visual time or date indication means in which functions not related to time can be displayed

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PURPOSE:To enable detection of gas concentration by detecting the frequency difference between a standard crystal vibrator as a watch standard vibration source and gas detecting crystal vibrator. CONSTITUTION:A standard crystal vibrator 1 is shielded from the external atmosphere. When gas is adhered to the surface of a detecting crystal vibrator 8, its vibrating frequency is altered. The output of a standard oscillator circuit 2 is divided in frequency by frequency dividers 3, 4, counted by a counter 5 and displayed on a display unit 7. The output of a gas detecting oscillator 9 is, on the other hand, divided in frequency by a frequency divider 10. The frequency differences of the outputs of the divider 10 from the standard frequency are produced by comparators 11, 12, and counted by a counter 13 at every one minute by one-period timing pulses P1, which are compared with the value 15 of the counter 13 at one minute before by a comparator 16 to generate an alarm by an alarm unit 17 when the difference is higher than predetermined value.
JP11560978A 1978-09-19 1978-09-19 Watch with gas detector Granted JPS5542054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11560978A JPS5542054A (en) 1978-09-19 1978-09-19 Watch with gas detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11560978A JPS5542054A (en) 1978-09-19 1978-09-19 Watch with gas detector

Publications (2)

Publication Number Publication Date
JPS5542054A true JPS5542054A (en) 1980-03-25
JPS6157590B2 JPS6157590B2 (en) 1986-12-08

Family

ID=14666870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11560978A Granted JPS5542054A (en) 1978-09-19 1978-09-19 Watch with gas detector

Country Status (1)

Country Link
JP (1) JPS5542054A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60119439A (en) * 1983-11-30 1985-06-26 Shimadzu Corp Crystal oscillation type moisture meter
JPS60238742A (en) * 1984-05-14 1985-11-27 Agency Of Ind Science & Technol Gas detecting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60119439A (en) * 1983-11-30 1985-06-26 Shimadzu Corp Crystal oscillation type moisture meter
JPS60238742A (en) * 1984-05-14 1985-11-27 Agency Of Ind Science & Technol Gas detecting device
JPH0358459B2 (en) * 1984-05-14 1991-09-05 Kogyo Gijutsuin

Also Published As

Publication number Publication date
JPS6157590B2 (en) 1986-12-08

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