CA970859A - Electronic digital clock apparatus - Google Patents

Electronic digital clock apparatus

Info

Publication number: CA970859A
Authority: CA; Canada
Prior art keywords: digital clock; electronic digital; clock apparatus; electronic; digital
Prior art date: 1971-06-23
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

CA145,476A

Other versions

CA145476S (en

Inventor

Gijun Idei

Atsushi Onoyama

Seigo Suzuki

Mitsuo Aihara

Eiichi Yamaga

Hideharu Egawa

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.)

1971-06-23

Filing date

1972-06-23

Publication date

1975-07-08

1972-06-23 Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd

1975-07-08 Application granted granted Critical

1975-07-08 Publication of CA970859A publication Critical patent/CA970859A/en

Status Expired legal-status Critical Current

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)

CA145,476A 1971-06-23 1972-06-23 Electronic digital clock apparatus Expired CA970859A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
CA970859A true CA970859A (en)	1975-07-08

Family

ID=12700882

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA145,476A Expired CA970859A (en)	1971-06-23	1972-06-23	Electronic digital clock apparatus

Country Status (7)

Country	Link
US (1)	US3788058A (en)
CA (1)	CA970859A (en)
CH (2)	CH945372A4 (en)
DE (1)	DE2230733C3 (en)
FR (1)	FR2143303B1 (en)
GB (1)	GB1355153A (en)
IT (1)	IT956800B (en)

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 (en) *	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 (en) *	1974-10-31	1991-02-14	Citizen Watch Co Ltd
JPS5613276B2 (en) *	1974-11-21	1981-03-27
CH1637374A4 (en) *	1974-12-11	1977-03-31
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 (en) *	1975-11-04	1985-07-19	セイコーインスツルメンツ株式会社	electronic clock
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 (en) *	1978-02-17	1985-05-16	シチズン時計株式会社	electronic clock
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

1972
- 1972-06-19 US US00264185A patent/US3788058A/en not_active Expired - Lifetime
- 1972-06-21 GB GB2912572A patent/GB1355153A/en not_active Expired
- 1972-06-22 FR FR7222596A patent/FR2143303B1/fr not_active Expired
- 1972-06-23 DE DE2230733A patent/DE2230733C3/en not_active Expired
- 1972-06-23 CH CH945372D patent/CH945372A4/xx unknown
- 1972-06-23 CH CH945372A patent/CH550428A/xx unknown
- 1972-06-23 CA CA145,476A patent/CA970859A/en not_active Expired
- 1972-06-23 IT IT26109/72A patent/IT956800B/en active

Also Published As

Publication number	Publication date
DE2230733C3 (en)	1981-10-08
IT956800B (en)	1973-10-10
GB1355153A (en)	1974-06-05
FR2143303A1 (en)	1973-02-02
CH550428A (en)	1974-06-14
CH945372A4 (en)	1973-12-14
DE2230733B2 (en)	1980-12-04
FR2143303B1 (en)	1977-12-23
DE2230733A1 (en)	1973-01-25
US3788058A (en)	1974-01-29

Publication	Publication Date	Title
CA982694A (en)	1976-01-27	Electronic calculating apparatus incorporated with a digital clock
CA1000510A (en)	1976-11-30	Solid state electronic timepiece
GB1366795A (en)	1974-09-11	Electronic timepiece
CA970859A (en)	1975-07-08	Electronic digital clock apparatus
GB1366794A (en)	1974-09-11	Electronic timepiece
GB1367247A (en)	1974-09-18	Electronic timepieces
HK40476A (en)	1976-07-09	Electronic timepiece
GB1417414A (en)	1975-12-10	Digital electronic timepiece
GB1368866A (en)	1974-10-02	Electronic timepiece
HK34776A (en)	1976-06-18	Digital clock
AU450962B2 (en)	1974-07-09	An electronic component
AU475592B2 (en)	1976-08-26	Electronic taximeter
HK51577A (en)	1977-10-14	Electronic timepiece
HK4478A (en)	1978-01-27	Digital electronic timepiece
HK40376A (en)	1976-07-09	An electronic watch
CA954629A (en)	1974-09-10	Digital data processing apparatus
HK14778A (en)	1978-03-23	Digital electronic watch
CA969645A (en)	1975-06-17	Electronic timer
HK28078A (en)	1978-06-09	Electronic timepiece
AU467209B2 (en)	1975-11-27	Electronic photography
CA861189A (en)	1971-01-19	Electronic watch
AU475511B2 (en)	1976-08-26	Electronic taximeter
CA881750A (en)	1971-09-21	Electronic image-producing apparatus
CA889520A (en)	1971-12-28	Electronic multiselector
CA864126A (en)	1971-02-16	Electronic editing apparatus