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
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.
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)
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 |
-
1918
- 1918-04-24 GB GB687618A patent/GB120172A/en not_active Expired
Cited By (1)
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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