JPS49122769A - - Google Patents
Info
- Publication number
- JPS49122769A JPS49122769A JP49028427A JP2842774A JPS49122769A JP S49122769 A JPS49122769 A JP S49122769A JP 49028427 A JP49028427 A JP 49028427A JP 2842774 A JP2842774 A JP 2842774A JP S49122769 A JPS49122769 A JP S49122769A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
- G04G19/02—Conversion or regulation of current or voltage
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH361373 | 1973-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49122769A true JPS49122769A (ja) | 1974-11-25 |
Family
ID=4259744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49028427A Pending JPS49122769A (ja) | 1973-03-13 | 1974-03-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3881309A (ja) |
| JP (1) | JPS49122769A (ja) |
| DE (1) | DE2404628A1 (ja) |
| ES (1) | ES423218A1 (ja) |
| FR (1) | FR2221758B1 (ja) |
| IT (1) | IT1002950B (ja) |
| NL (1) | NL7403395A (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4008566A (en) * | 1975-11-10 | 1977-02-22 | Mcclintock Richard D | Electronic watch generator |
| US20090010107A1 (en) * | 2005-01-18 | 2009-01-08 | Nxp B.V. | Tamper-resistant time reference and apparatus using same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582656A (en) * | 1968-03-21 | 1971-06-01 | Bulova Watch Co Inc | Time base combining radioactive source and solid-state detector |
| CH566368A4 (ja) * | 1968-04-17 | 1971-11-30 | ||
| CH511476A (de) * | 1968-10-08 | 1971-03-15 | Proctor Ets | Vorrichtung zum Erzeugen von periodischen, mechanischen Schwingungen in einem Uhrwerk |
| US3609957A (en) * | 1969-03-27 | 1971-10-05 | Gen Time Corp | Drive arrangement for timekeeping system |
| CH532811A (fr) * | 1970-05-11 | 1972-08-31 | Manuf Des Montres Rolex S A Bi | Pièce d'horlogerie comprenant un dispositif d'affichage avec au moins une cellule à cristal liquide |
-
1974
- 1974-01-31 DE DE2404628A patent/DE2404628A1/de active Pending
- 1974-02-14 ES ES423218A patent/ES423218A1/es not_active Expired
- 1974-02-20 IT IT48597/74A patent/IT1002950B/it active
- 1974-03-05 US US448281A patent/US3881309A/en not_active Expired - Lifetime
- 1974-03-11 FR FR7408164A patent/FR2221758B1/fr not_active Expired
- 1974-03-12 JP JP49028427A patent/JPS49122769A/ja active Pending
- 1974-03-13 NL NL7403395A patent/NL7403395A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2404628A1 (de) | 1974-10-03 |
| FR2221758B1 (ja) | 1976-06-25 |
| US3881309A (en) | 1975-05-06 |
| NL7403395A (ja) | 1974-09-17 |
| IT1002950B (it) | 1976-05-20 |
| FR2221758A1 (ja) | 1974-10-11 |
| ES423218A1 (es) | 1976-05-01 |