GB120172A - Improvements in or relating to Alarm Clocks. - Google Patents

Improvements in or relating to Alarm Clocks.

Info

Publication number
GB120172A
GB120172A GB687618A GB687618A GB120172A GB 120172 A GB120172 A GB 120172A GB 687618 A GB687618 A GB 687618A GB 687618 A GB687618 A GB 687618A GB 120172 A GB120172 A GB 120172A
Authority
GB
United Kingdom
Prior art keywords
relating
alarm clocks
clocks
alarm
gongs
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
GB687618A
Inventor
Sidney Theodore Chapman
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
Priority to GB687618A priority Critical patent/GB120172A/en
Publication of GB120172A publication Critical patent/GB120172A/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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/028—Sounding bodies; boxes used as sounding cases; fixation on or in the case

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

120,172. Chapman, S. T. April 24, 1918. Alarms. - Two gongs 3, 4, one within the other, are struck simultaneously by one hammer 9 shaped to be so effective.
GB687618A 1918-04-24 1918-04-24 Improvements in or relating to Alarm Clocks. Expired GB120172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB687618A GB120172A (en) 1918-04-24 1918-04-24 Improvements in or relating to Alarm Clocks.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB687618A GB120172A (en) 1918-04-24 1918-04-24 Improvements in or relating to Alarm Clocks.

Publications (1)

Publication Number Publication Date
GB120172A true GB120172A (en) 1918-10-31

Family

ID=32342737

Family Applications (1)

Application Number Title Priority Date Filing Date
GB687618A Expired GB120172A (en) 1918-04-24 1918-04-24 Improvements in or relating to Alarm Clocks.

Country Status (1)

Country Link
GB (1) GB120172A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2767875A2 (en) 2013-02-15 2014-08-20 Richemont International S.A. Striking mechanism and timepiece provided with said striking mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2767875A2 (en) 2013-02-15 2014-08-20 Richemont International S.A. Striking mechanism and timepiece provided with said striking mechanism

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