US3678679A - Alarm clocks and watches - Google Patents

Alarm clocks and watches Download PDF

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Publication number
US3678679A
US3678679A US52845A US3678679DA US3678679A US 3678679 A US3678679 A US 3678679A US 52845 A US52845 A US 52845A US 3678679D A US3678679D A US 3678679DA US 3678679 A US3678679 A US 3678679A
Authority
US
United States
Prior art keywords
hammer
trip member
trip
switch
movement
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 - Lifetime
Application number
US52845A
Other languages
English (en)
Inventor
Admond K Lee
Kwok-Ming Wong
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.)
EASTERN TIME Ltd
Original Assignee
EASTERN TIME 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 EASTERN TIME Ltd filed Critical EASTERN TIME Ltd
Application granted granted Critical
Publication of US3678679A publication Critical patent/US3678679A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/03—Alarm signal stop arrangements
US52845A 1969-06-26 1970-07-07 Alarm clocks and watches Expired - Lifetime US3678679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32386/69A GB1217647A (en) 1969-06-26 1969-06-26 Improvements relating to alarm clock and watches

Publications (1)

Publication Number Publication Date
US3678679A true US3678679A (en) 1972-07-25

Family

ID=10337808

Family Applications (1)

Application Number Title Priority Date Filing Date
US52845A Expired - Lifetime US3678679A (en) 1969-06-26 1970-07-07 Alarm clocks and watches

Country Status (3)

Country Link
US (1) US3678679A (de)
DE (1) DE2031131C3 (de)
GB (1) GB1217647A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4999821A (en) * 1989-10-30 1991-03-12 Kirkland Ephraim A Truck driver's wake-up device
US20030137902A1 (en) * 2002-01-18 2003-07-24 Mamoru Watanabe Hand motion irregularity suppressed timepiece

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB777909A (de) *
US1206373A (en) * 1915-07-02 1916-11-28 New Haven Clock Co Eight-day alarm-clock.
US2491294A (en) * 1946-09-20 1949-12-13 United States Time Corp Alarm set and stop mechanism
GB782720A (en) * 1954-08-28 1957-09-11 Tavannes Watch Co Sa Improvements in and relating to an alarum time-piece
US3210925A (en) * 1963-07-08 1965-10-12 Robert J Hepler Alarm stop watch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB777909A (de) *
US1206373A (en) * 1915-07-02 1916-11-28 New Haven Clock Co Eight-day alarm-clock.
US2491294A (en) * 1946-09-20 1949-12-13 United States Time Corp Alarm set and stop mechanism
GB782720A (en) * 1954-08-28 1957-09-11 Tavannes Watch Co Sa Improvements in and relating to an alarum time-piece
US3210925A (en) * 1963-07-08 1965-10-12 Robert J Hepler Alarm stop watch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4999821A (en) * 1989-10-30 1991-03-12 Kirkland Ephraim A Truck driver's wake-up device
US20030137902A1 (en) * 2002-01-18 2003-07-24 Mamoru Watanabe Hand motion irregularity suppressed timepiece
US6755567B2 (en) * 2002-01-18 2004-06-29 Seiko Instruments Inc. Hand motion irregularity suppressed timepiece

Also Published As

Publication number Publication date
DE2031131C3 (de) 1974-02-28
GB1217647A (en) 1970-12-31
DE2031131B2 (de) 1973-08-09
DE2031131A1 (de) 1971-01-28

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