CA1027767A - Digital clock or other counting device - Google Patents

Digital clock or other counting device

Info

Publication number
CA1027767A
CA1027767A CA211,532A CA211532A CA1027767A CA 1027767 A CA1027767 A CA 1027767A CA 211532 A CA211532 A CA 211532A CA 1027767 A CA1027767 A CA 1027767A
Authority
CA
Canada
Prior art keywords
counting device
digital clock
clock
digital
counting
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
CA211,532A
Other languages
French (fr)
Other versions
CA211532S (en
Inventor
Arthur W. Haydon
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.)
Tri Tech Inc
Original Assignee
Tri Tech Inc
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 Tri Tech Inc filed Critical Tri Tech Inc
Application granted granted Critical
Publication of CA1027767A publication Critical patent/CA1027767A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/14—Design features of general application for transferring a condition from one stage to a higher stage
    • G06M1/143—Design features of general application for transferring a condition from one stage to a higher stage with drums
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/21—Drums
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C19/00—Producing optical time signals at prefixed times by electric means
    • G04C19/04—Producing optical time signals at prefixed times by electric means by indicating members moved electrically, e.g. flap, band
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/04—Design features of general application for driving the stage of lowest order
    • G06M1/041—Design features of general application for driving the stage of lowest order for drum-type indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Devices (AREA)
CA211,532A 1974-03-06 1974-10-16 Digital clock or other counting device Expired CA1027767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US448749A US3918252A (en) 1974-03-06 1974-03-06 Digital clock or other counting device with resilient coupling means in the drive train

Publications (1)

Publication Number Publication Date
CA1027767A true CA1027767A (en) 1978-03-14

Family

ID=23781535

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211,532A Expired CA1027767A (en) 1974-03-06 1974-10-16 Digital clock or other counting device

Country Status (2)

Country Link
US (1) US3918252A (en)
CA (1) CA1027767A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098072A (en) * 1976-07-02 1978-07-04 Stewart-Warner Corporation Digital clock gearing
US4531051A (en) * 1984-01-30 1985-07-23 Westinghouse Electric Corp. Meter register with incremental indicia wheel movement
DE19533099A1 (en) * 1995-09-07 1997-03-13 Siemens Nixdorf Inf Syst Operating status display

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1535639A (en) * 1918-09-16 1925-04-28 Westinghouse Electric & Mfg Co Means for overcoming load inertia
US1838501A (en) * 1930-05-24 1931-12-29 Electric Clock Corp Alternating current clock
US2266198A (en) * 1940-01-25 1941-12-16 Haydon Arthur William Electric clock
US2459107A (en) * 1940-12-03 1949-01-11 Casco Products Corp Drum type indicator alarm clock
US2514394A (en) * 1945-01-09 1950-07-11 Frank J Irving Coupling
US2493999A (en) * 1945-09-07 1950-01-10 Riley Clock And Instr Company Small synchronous electric motor
US3752965A (en) * 1972-06-26 1973-08-14 Tri Tech Counting device

Also Published As

Publication number Publication date
US3918252A (en) 1975-11-11

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