FR47790E - Verbal and sound transmission device for all timepieces - Google Patents
Verbal and sound transmission device for all timepiecesInfo
- Publication number
- FR47790E FR47790E FR47790DA FR47790E FR 47790 E FR47790 E FR 47790E FR 47790D A FR47790D A FR 47790DA FR 47790 E FR47790 E FR 47790E
- Authority
- FR
- France
- Prior art keywords
- timepieces
- verbal
- transmission device
- sound transmission
- sound
- 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
- G04B21/00—Indicating the time by acoustic means
-
- 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
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/08—Sounding bodies; Whistles; Musical apparatus
-
- 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
- G04B23/005—Arrangements producing acoustic signals at preselected times by starting up musical boxes or other musical recordings
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/28—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to put into action electro-acoustic means, e.g. awakening by music
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR808389T | 1936-07-20 | ||
| FR47790T | 1936-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR47790E true FR47790E (en) | 1937-07-17 |
Family
ID=32929195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR47790D Expired FR47790E (en) | 1936-07-20 | 1936-08-19 | Verbal and sound transmission device for all timepieces |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR47790E (en) |
-
1936
- 1936-08-19 FR FR47790D patent/FR47790E/en not_active Expired
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