GB1504107A - Electronic timepiece circuit - Google Patents

Electronic timepiece circuit

Info

Publication number
GB1504107A
GB1504107A GB27425/76A GB2742576A GB1504107A GB 1504107 A GB1504107 A GB 1504107A GB 27425/76 A GB27425/76 A GB 27425/76A GB 2742576 A GB2742576 A GB 2742576A GB 1504107 A GB1504107 A GB 1504107A
Authority
GB
United Kingdom
Prior art keywords
circuit
electronic timepiece
timepiece circuit
memory circuit
adder
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.)
Expired
Application number
GB27425/76A
Other languages
English (en)
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1504107A publication Critical patent/GB1504107A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/025—Circuits for deriving low frequency timing pulses from pulses of higher frequency by storing time-date which are periodically investigated and modified accordingly, e.g. by using cyclic shift-registers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Read Only Memory (AREA)
GB27425/76A 1975-07-02 1976-07-01 Electronic timepiece circuit Expired GB1504107A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50080984A JPS525565A (en) 1975-07-02 1975-07-02 Electric clock circuit

Publications (1)

Publication Number Publication Date
GB1504107A true GB1504107A (en) 1978-03-15

Family

ID=13733753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27425/76A Expired GB1504107A (en) 1975-07-02 1976-07-01 Electronic timepiece circuit

Country Status (6)

Country Link
US (1) US4092819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS525565A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH616294B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2629950C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2316646A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1504107A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598794B2 (ja) * 1975-12-25 1984-02-27 三菱電機株式会社 デンシトケイカイロ
US4063409A (en) * 1976-01-05 1977-12-20 Intel Corporation Custom watch
JPS53143265A (en) * 1977-04-27 1978-12-13 Seiko Epson Corp Electronic watch
JPS5428175A (en) * 1977-08-04 1979-03-02 Seiko Instr & Electronics Ltd Electronic watch
US4267587A (en) * 1978-02-17 1981-05-12 Casio Computer Co., Ltd. Electronic timepiece circuit
JPS54122944A (en) * 1978-03-16 1979-09-22 Toshiba Corp Logic circuit
JPS54163639A (en) * 1978-06-15 1979-12-26 Tokyo Shibaura Electric Co Carry logical circuit
JPS5595892A (en) 1979-01-17 1980-07-21 Hitachi Ltd Electronic digital multi-function watch
US4849924A (en) * 1985-06-13 1989-07-18 Tektronix, Inc. Event counting prescaler
JPS6324190A (ja) * 1987-06-26 1988-02-01 Casio Comput Co Ltd 時計装置
JPH02193098A (ja) * 1989-11-27 1990-07-30 Seiko Epson Corp 電子時計
JP2509126B2 (ja) * 1992-02-21 1996-06-19 財団法人半導体研究振興会 半導体メモリ
US6958953B2 (en) * 2003-05-13 2005-10-25 International Business Machines Corporation Real time clock circuit having an internal clock generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327630B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-03-20 1978-08-09
US3986333A (en) * 1971-03-22 1976-10-19 Sharp Kabushiki Kaisha Electronic digital clock
US3719932A (en) * 1972-04-27 1973-03-06 Sperry Rand Corp Bit organized integrated mnos memory circuit with dynamic decoding and store-restore circuitry
CA1028427A (en) * 1973-05-29 1978-03-21 Peter D. Dickinson Scientific calculator
US3988886A (en) * 1973-08-14 1976-11-02 Casio Computer Co., Ltd. Time setting device for an electronic watch
US3934233A (en) * 1973-09-24 1976-01-20 Texas Instruments Incorporated Read-only-memory for electronic calculator

Also Published As

Publication number Publication date
FR2316646B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-09-01
DE2629950A1 (de) 1977-01-13
FR2316646A1 (fr) 1977-01-28
US4092819A (en) 1978-06-06
JPS5736559B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-08-04
DE2629950C3 (de) 1979-12-06
JPS525565A (en) 1977-01-17
CH616294B (de)
CH616294GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-03-31
DE2629950B2 (de) 1979-04-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19960630