CA984161A - Electro-mechanical digital world clock - Google Patents

Electro-mechanical digital world clock

Info

Publication number
CA984161A
CA984161A CA154,084A CA154084A CA984161A CA 984161 A CA984161 A CA 984161A CA 154084 A CA154084 A CA 154084A CA 984161 A CA984161 A CA 984161A
Authority
CA
Canada
Prior art keywords
electro
digital world
world clock
mechanical digital
mechanical
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
CA154,084A
Other languages
English (en)
Other versions
CA154084S (en
Inventor
Yasuo Wakabayashi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA984161A publication Critical patent/CA984161A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0076—Visual time or date indication means in which the time in another time-zone or in another city can be displayed at will
    • 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
    • G04G9/10—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
    • G06M1/276—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using mechanically-actuated contacts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
CA154,084A 1971-10-18 1972-10-17 Electro-mechanical digital world clock Expired CA984161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46081560A JPS4847374A (de) 1971-10-18 1971-10-18

Publications (1)

Publication Number Publication Date
CA984161A true CA984161A (en) 1976-02-24

Family

ID=13749661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,084A Expired CA984161A (en) 1971-10-18 1972-10-17 Electro-mechanical digital world clock

Country Status (6)

Country Link
US (1) US3760581A (de)
JP (1) JPS4847374A (de)
BE (1) BE790217A (de)
CA (1) CA984161A (de)
DE (1) DE2251113C3 (de)
GB (1) GB1383007A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925775A (en) * 1973-10-26 1975-12-09 Ncr Co Multiple digit display employing single digit readout
US4290131A (en) * 1978-04-06 1981-09-15 Citizen Watch Company Limited Electronic timepiece

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1220109A (en) * 1916-09-15 1917-03-20 Heiny Electric Co Electric display system.
US3015094A (en) * 1957-09-06 1961-12-26 Gen Time Corp Lighted numerical time display clock
US3410082A (en) * 1966-02-07 1968-11-12 Olive M. Taylor Time indicating devices
US3613352A (en) * 1969-06-09 1971-10-19 Werner Giersiepen Indicating device

Also Published As

Publication number Publication date
DE2251113C3 (de) 1975-10-23
US3760581A (en) 1973-09-25
BE790217A (fr) 1973-02-15
JPS4847374A (de) 1973-07-05
DE2251113A1 (de) 1973-04-26
DE2251113B2 (de) 1975-03-20
GB1383007A (en) 1975-02-05

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