CH972071A4 - - Google Patents
Info
- Publication number
- CH972071A4 CH972071A4 CH972071DD CH972071A4 CH 972071 A4 CH972071 A4 CH 972071A4 CH 972071D D CH972071D D CH 972071DD CH 972071 A4 CH972071 A4 CH 972071A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
- G04C21/30—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school
-
- 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
- G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH972071A CH537042A (de) | 1971-07-01 | 1971-07-01 | Uhr mit einstellbarer, zeitabhängiger Signalgabe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH972071A4 true CH972071A4 (cs) | 1972-12-15 |
Family
ID=4354930
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH972071D CH972071A4 (cs) | 1971-07-01 | 1971-07-01 | |
| CH972071A CH537042A (de) | 1971-07-01 | 1971-07-01 | Uhr mit einstellbarer, zeitabhängiger Signalgabe |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH972071A CH537042A (de) | 1971-07-01 | 1971-07-01 | Uhr mit einstellbarer, zeitabhängiger Signalgabe |
Country Status (1)
| Country | Link |
|---|---|
| CH (2) | CH972071A4 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH662700GA3 (cs) * | 1985-10-16 | 1987-10-30 |
-
1971
- 1971-07-01 CH CH972071D patent/CH972071A4/xx unknown
- 1971-07-01 CH CH972071A patent/CH537042A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH537042A (de) | 1972-12-15 |