EP0427515A3 - Automatically corrected electronic timepiece - Google Patents

Automatically corrected electronic timepiece Download PDF

Info

Publication number
EP0427515A3
EP0427515A3 EP19900312143 EP90312143A EP0427515A3 EP 0427515 A3 EP0427515 A3 EP 0427515A3 EP 19900312143 EP19900312143 EP 19900312143 EP 90312143 A EP90312143 A EP 90312143A EP 0427515 A3 EP0427515 A3 EP 0427515A3
Authority
EP
European Patent Office
Prior art keywords
electronic timepiece
automatically corrected
corrected electronic
automatically
timepiece
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.)
Ceased
Application number
EP19900312143
Other versions
EP0427515A2 (en
Inventor
Yoshiki Minowa
Yukio Yokozawa
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
Original Assignee
Seiko Epson Corp
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
Priority claimed from JP2241997A external-priority patent/JPH03218494A/en
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP0427515A2 publication Critical patent/EP0427515A2/en
Publication of EP0427515A3 publication Critical patent/EP0427515A3/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R40/00—Correcting the clock frequency
    • G04R40/06—Correcting the clock frequency by computing the time value implied by the radio signal
EP19900312143 1989-11-08 1990-11-06 Automatically corrected electronic timepiece Ceased EP0427515A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29051489 1989-11-08
JP290514/89 1989-11-08
JP241997/90 1990-09-12
JP2241997A JPH03218494A (en) 1989-11-08 1990-09-12 Clock with automatic correction of time accuracy

Publications (2)

Publication Number Publication Date
EP0427515A2 EP0427515A2 (en) 1991-05-15
EP0427515A3 true EP0427515A3 (en) 1991-10-09

Family

ID=26535551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900312143 Ceased EP0427515A3 (en) 1989-11-08 1990-11-06 Automatically corrected electronic timepiece

Country Status (1)

Country Link
EP (1) EP0427515A3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422953A (en) * 1993-05-05 1995-06-06 Fischer; Addison M. Personal date/time notary device
US6408388B1 (en) 1993-05-05 2002-06-18 Addison M. Fischer Personal date/time notary device
DE4423366C1 (en) * 1994-07-04 1995-10-19 Grundig Emv Software clock operating method for electronic entertainment appts. e.g with TV receiver or video recorder
US5655218A (en) * 1994-07-29 1997-08-05 Motorola, Inc. Radiotelephone communication unit displaying chronological information
CN103092068B (en) * 2011-11-03 2014-12-31 珠海精准电子有限公司 Timing method and timing system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715096A1 (en) * 1977-04-04 1978-10-12 Wolfgang Prof Dr Ing Hilberg Automatically regulated quartz clock - is synchronised with received time signal via slave clock periodically used to correct time registers
EP0042913A2 (en) * 1980-06-19 1982-01-06 Werner Dipl.-Ing. Schulz Process for the automatic setting of radio clocks aided by time signals
EP0305200A2 (en) * 1987-08-27 1989-03-01 Precision Standard Time, Inc. Radio signal controlled digital clock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715096A1 (en) * 1977-04-04 1978-10-12 Wolfgang Prof Dr Ing Hilberg Automatically regulated quartz clock - is synchronised with received time signal via slave clock periodically used to correct time registers
EP0042913A2 (en) * 1980-06-19 1982-01-06 Werner Dipl.-Ing. Schulz Process for the automatic setting of radio clocks aided by time signals
EP0305200A2 (en) * 1987-08-27 1989-03-01 Precision Standard Time, Inc. Radio signal controlled digital clock

Also Published As

Publication number Publication date
EP0427515A2 (en) 1991-05-15

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