FR2147945B1 - - Google Patents
Info
- Publication number
- FR2147945B1 FR2147945B1 FR7222490A FR7222490A FR2147945B1 FR 2147945 B1 FR2147945 B1 FR 2147945B1 FR 7222490 A FR7222490 A FR 7222490A FR 7222490 A FR7222490 A FR 7222490A FR 2147945 B1 FR2147945 B1 FR 2147945B1
- Authority
- FR
- France
- 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
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/02—Constructional details
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/04—Indicating the time of the day
- G04C21/12—Indicating the time of the day by electro-acoustic means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH920671 | 1971-06-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2147945A1 FR2147945A1 (en) | 1973-03-11 |
FR2147945B1 true FR2147945B1 (en) | 1976-09-03 |
Family
ID=4349494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7222490A Expired FR2147945B1 (en) | 1971-06-23 | 1972-06-22 |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH920671A4 (en) |
DE (1) | DE2230061B2 (en) |
FR (1) | FR2147945B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3887914A (en) | 1973-01-09 | 1975-06-03 | Star Mfg Co | Contactless buzzer |
US3974499A (en) | 1973-12-12 | 1976-08-10 | Star Seimitsu Kabushiki Kaisha | Contactless buzzer |
-
1971
- 1971-06-23 CH CH920671D patent/CH920671A4/en unknown
-
1972
- 1972-06-20 DE DE19722230061 patent/DE2230061B2/en not_active Withdrawn
- 1972-06-22 FR FR7222490A patent/FR2147945B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2230061A1 (en) | 1973-01-11 |
FR2147945A1 (en) | 1973-03-11 |
DE2230061B2 (en) | 1977-06-16 |
CH920671A4 (en) | 1972-11-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |