JPS525565A - Electric clock circuit - Google Patents

Electric clock circuit

Info

Publication number
JPS525565A
JPS525565A JP50080984A JP8098475A JPS525565A JP S525565 A JPS525565 A JP S525565A JP 50080984 A JP50080984 A JP 50080984A JP 8098475 A JP8098475 A JP 8098475A JP S525565 A JPS525565 A JP S525565A
Authority
JP
Japan
Prior art keywords
clock circuit
electric clock
ram
cells
power consumption
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
JP50080984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5736559B2 (https=
Inventor
Tsuneo Takase
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
Toshiba Corp
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50080984A priority Critical patent/JPS525565A/ja
Priority to GB27425/76A priority patent/GB1504107A/en
Priority to FR7620165A priority patent/FR2316646A1/fr
Priority to CH851476A priority patent/CH616294B/xx
Priority to US05/702,198 priority patent/US4092819A/en
Priority to DE2629950A priority patent/DE2629950C3/de
Publication of JPS525565A publication Critical patent/JPS525565A/ja
Publication of JPS5736559B2 publication Critical patent/JPS5736559B2/ja
Granted 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)
JP50080984A 1975-07-02 1975-07-02 Electric clock circuit Granted JPS525565A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP50080984A JPS525565A (en) 1975-07-02 1975-07-02 Electric clock circuit
GB27425/76A GB1504107A (en) 1975-07-02 1976-07-01 Electronic timepiece circuit
FR7620165A FR2316646A1 (fr) 1975-07-02 1976-07-01 Circuit electronique d'evaluation et d'indication de temps
CH851476A CH616294B (de) 1975-07-02 1976-07-02 Schaltungsanordnung fuer eine elektronische uhr.
US05/702,198 US4092819A (en) 1975-07-02 1976-07-02 Electronic timepiece circuit
DE2629950A DE2629950C3 (de) 1975-07-02 1976-07-02 Elektronische Uhr

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS525565A true JPS525565A (en) 1977-01-17
JPS5736559B2 JPS5736559B2 (https=) 1982-08-04

Family

ID=13733753

Family Applications (1)

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

Country Status (6)

Country Link
US (1) US4092819A (https=)
JP (1) JPS525565A (https=)
CH (1) CH616294B (https=)
DE (1) DE2629950C3 (https=)
FR (1) FR2316646A1 (https=)
GB (1) GB1504107A (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5279965A (en) * 1975-12-25 1977-07-05 Mitsubishi Electric Corp Electronic watch circuit
JPS5285861A (en) * 1976-01-05 1977-07-16 Intel Corp Integral circuit clock
JPS53143265A (en) * 1977-04-27 1978-12-13 Seiko Epson Corp Electronic watch
JPS54163639A (en) * 1978-06-15 1979-12-26 Tokyo Shibaura Electric Co Carry logical circuit
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
JPH06186360A (ja) * 1992-02-21 1994-07-08 Semiconductor Res Found 半導体メモリ

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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 (https=) * 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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5279965A (en) * 1975-12-25 1977-07-05 Mitsubishi Electric Corp Electronic watch circuit
JPS5285861A (en) * 1976-01-05 1977-07-16 Intel Corp Integral circuit clock
JPS53143265A (en) * 1977-04-27 1978-12-13 Seiko Epson Corp Electronic watch
JPS54163639A (en) * 1978-06-15 1979-12-26 Tokyo Shibaura Electric Co Carry logical circuit
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
JPH06186360A (ja) * 1992-02-21 1994-07-08 Semiconductor Res Found 半導体メモリ

Also Published As

Publication number Publication date
FR2316646A1 (fr) 1977-01-28
CH616294B (de)
JPS5736559B2 (https=) 1982-08-04
GB1504107A (en) 1978-03-15
CH616294GA3 (https=) 1980-03-31
DE2629950C3 (de) 1979-12-06
US4092819A (en) 1978-06-06
DE2629950B2 (de) 1979-04-19
FR2316646B1 (https=) 1978-09-01
DE2629950A1 (de) 1977-01-13

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