DE2230733C3 - Elektronische Digitaluhr - Google Patents

Elektronische Digitaluhr

Info

Publication number
DE2230733C3
DE2230733C3 DE2230733A DE2230733A DE2230733C3 DE 2230733 C3 DE2230733 C3 DE 2230733C3 DE 2230733 A DE2230733 A DE 2230733A DE 2230733 A DE2230733 A DE 2230733A DE 2230733 C3 DE2230733 C3 DE 2230733C3
Authority
DE
Germany
Prior art keywords
shift register
time
circuit
digit
bit
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
DE2230733A
Other languages
German (de)
English (en)
Other versions
DE2230733A1 (de
DE2230733B2 (de
Inventor
Atushi Yokohama Onoyama
Seigo Yokohama Suzuki
Eiichi Hatogaya Saitama Yamaga
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 DE2230733A1 publication Critical patent/DE2230733A1/de
Publication of DE2230733B2 publication Critical patent/DE2230733B2/de
Application granted granted Critical
Publication of DE2230733C3 publication Critical patent/DE2230733C3/de
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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/082—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using multiplexing techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
DE2230733A 1971-06-23 1972-06-23 Elektronische Digitaluhr Expired DE2230733C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46044779 1971-06-23

Publications (3)

Publication Number Publication Date
DE2230733A1 DE2230733A1 (de) 1973-01-25
DE2230733B2 DE2230733B2 (de) 1980-12-04
DE2230733C3 true DE2230733C3 (de) 1981-10-08

Family

ID=12700882

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2230733A Expired DE2230733C3 (de) 1971-06-23 1972-06-23 Elektronische Digitaluhr

Country Status (7)

Country Link
US (1) US3788058A (enrdf_load_stackoverflow)
CA (1) CA970859A (enrdf_load_stackoverflow)
CH (2) CH550428A (enrdf_load_stackoverflow)
DE (1) DE2230733C3 (enrdf_load_stackoverflow)
FR (1) FR2143303B1 (enrdf_load_stackoverflow)
GB (1) GB1355153A (enrdf_load_stackoverflow)
IT (1) IT956800B (enrdf_load_stackoverflow)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986333A (en) * 1971-03-22 1976-10-19 Sharp Kabushiki Kaisha Electronic digital clock
US4035627A (en) * 1973-05-29 1977-07-12 Hewlett-Packard Company Scientific calculator
US3988886A (en) * 1973-08-14 1976-11-02 Casio Computer Co., Ltd. Time setting device for an electronic watch
JPS5234918B2 (enrdf_load_stackoverflow) * 1974-05-31 1977-09-06
US3938317A (en) * 1974-08-10 1976-02-17 Spano John D Serial time read out apparatus
US3925777A (en) * 1974-09-23 1975-12-09 Pressman D R Electronic clock employing repeating sequential single digit display
JPH0310916B2 (enrdf_load_stackoverflow) * 1974-10-31 1991-02-14 Citizen Watch Co Ltd
JPS5613276B2 (enrdf_load_stackoverflow) * 1974-11-21 1981-03-27
CH593509B5 (enrdf_load_stackoverflow) * 1974-12-11 1977-12-15 Ebauches Sa
US4184320A (en) * 1975-05-30 1980-01-22 Casio Computer Co., Ltd. Electronic stop watches
US4025774A (en) * 1975-06-16 1977-05-24 American Hospital Supply Corporation Timing apparatus including electronic calculator circuits
JPS6030914B2 (ja) * 1975-11-04 1985-07-19 セイコーインスツルメンツ株式会社 電子時計
US4206458A (en) * 1976-01-28 1980-06-03 Canon Kabushiki Kaisha Numerical display system for electronic instrument
US4058714A (en) * 1976-06-10 1977-11-15 Mostow Arthur L Selectively operated, clock-controlled repetitive calculator
US4240150A (en) * 1977-03-15 1980-12-16 Citizen Watch Co., Ltd. Portable timepiece calculator with power savings feature
US4181963A (en) * 1977-04-19 1980-01-01 Casio Computer Co., Ltd. Electronic calculator with time counting function
JPS5424558A (en) * 1977-07-26 1979-02-23 Citizen Watch Co Ltd Portable electronic unit with clock function
JPS6019471B2 (ja) * 1978-02-17 1985-05-16 シチズン時計株式会社 電子時計
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
US10191128B2 (en) 2014-02-12 2019-01-29 Life Services, LLC Device and method for loops-over-loops MRI coils

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108228A (en) * 1961-12-18 1963-10-22 Ibm Delay compensation by distributed synchronous pulses
US3258906A (en) * 1964-03-04 1966-07-05 Gen Time Corp Solid state clock
US3516242A (en) * 1968-02-23 1970-06-23 Sprague Electric Co Visual display of time variable electric information
US3505804A (en) * 1968-04-23 1970-04-14 Rca Corp Solid state clock
US3672155A (en) * 1970-05-06 1972-06-27 Hamilton Watch Co Solid state watch

Also Published As

Publication number Publication date
FR2143303A1 (enrdf_load_stackoverflow) 1973-02-02
CA970859A (en) 1975-07-08
US3788058A (en) 1974-01-29
CH945372A4 (enrdf_load_stackoverflow) 1973-12-14
FR2143303B1 (enrdf_load_stackoverflow) 1977-12-23
CH550428A (enrdf_load_stackoverflow) 1974-06-14
DE2230733A1 (de) 1973-01-25
DE2230733B2 (de) 1980-12-04
GB1355153A (en) 1974-06-05
IT956800B (it) 1973-10-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP