JPS5693403A - Semiconductor integrated circuit for timepiece - Google Patents

Semiconductor integrated circuit for timepiece

Info

Publication number
JPS5693403A
JPS5693403A JP17331479A JP17331479A JPS5693403A JP S5693403 A JPS5693403 A JP S5693403A JP 17331479 A JP17331479 A JP 17331479A JP 17331479 A JP17331479 A JP 17331479A JP S5693403 A JPS5693403 A JP S5693403A
Authority
JP
Japan
Prior art keywords
temperature
watch
correction
digital signal
degree
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
JP17331479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6247372B2 (enrdf_load_stackoverflow
Inventor
Yasuo Katsuyama
Toshiyuki Misawa
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa 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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP17331479A priority Critical patent/JPS5693403A/ja
Publication of JPS5693403A publication Critical patent/JPS5693403A/ja
Publication of JPS6247372B2 publication Critical patent/JPS6247372B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/026—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using a memory for digitally storing correction values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/027—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using frequency conversion means which is variable with temperature, e.g. mixer, frequency divider, pulse add/subtract logic circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators

Landscapes

  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
JP17331479A 1979-12-26 1979-12-26 Semiconductor integrated circuit for timepiece Granted JPS5693403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17331479A JPS5693403A (en) 1979-12-26 1979-12-26 Semiconductor integrated circuit for timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17331479A JPS5693403A (en) 1979-12-26 1979-12-26 Semiconductor integrated circuit for timepiece

Publications (2)

Publication Number Publication Date
JPS5693403A true JPS5693403A (en) 1981-07-29
JPS6247372B2 JPS6247372B2 (enrdf_load_stackoverflow) 1987-10-07

Family

ID=15958140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17331479A Granted JPS5693403A (en) 1979-12-26 1979-12-26 Semiconductor integrated circuit for timepiece

Country Status (1)

Country Link
JP (1) JPS5693403A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006661A1 (fr) * 1998-11-27 2000-06-07 Asulab S.A. Générateur de signal à haute fréquence à partir d'une base de temps horlogère

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006661A1 (fr) * 1998-11-27 2000-06-07 Asulab S.A. Générateur de signal à haute fréquence à partir d'une base de temps horlogère

Also Published As

Publication number Publication date
JPS6247372B2 (enrdf_load_stackoverflow) 1987-10-07

Similar Documents

Publication Publication Date Title
DE3871425D1 (de) Integrierte schaltungsanordnung zur ueberwachung eines mitintegrierten oszillators.
DE3069389D1 (en) Oscillator with digital temperature compensation
JPS5693403A (en) Semiconductor integrated circuit for timepiece
JPS5255361A (en) Variable frequency oscillator
CH631315GA3 (enrdf_load_stackoverflow)
JPS5578222A (en) Adjusting method for electronic thermometer
CH624820B (fr) Piece d'horlogerie electronique, notamment montre-bracelet.
JPS5697896A (en) Electronic watch
JPS55128186A (en) Electronic watch
JPS5542056A (en) Time standard for electronic watch
JPS5328465A (en) Electronic watch
JPS5554463A (en) Measuring instrument for ratio of noise power to carrier
JPS56119992A (en) Dynamic type fixed memory device
JPS53107884A (en) Elctronic thermometer
JPS561321A (en) Temperature detecting circuit
JPS52125204A (en) Tuning indication circuit
JPS533155A (en) Electronic watch
JPS54161978A (en) Temperature display device
JPS535901A (en) Driving device of tuning indication meter
JPS5516523A (en) Preset channel selector
JPS55107981A (en) Electronic watch
JPS5286758A (en) High accurate digital delay circuit
JPS5635065A (en) Measuring unit of threshold value
JPS5423572A (en) Electronic wristwatch with alarm
JPS55136922A (en) Circuit of indicating temperature for repeating digital watch lsi and temperature sensing oscillator