NL7403395A - - Google Patents
Info
- Publication number
- NL7403395A NL7403395A NL7403395A NL7403395A NL7403395A NL 7403395 A NL7403395 A NL 7403395A NL 7403395 A NL7403395 A NL 7403395A NL 7403395 A NL7403395 A NL 7403395A NL 7403395 A NL7403395 A NL 7403395A
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL7403395A true NL7403395A (en) | 1974-09-17 |
Family
ID=4259744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7403395A NL7403395A (en) | 1973-03-13 | 1974-03-13 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3881309A (en) |
| JP (1) | JPS49122769A (en) |
| DE (1) | DE2404628A1 (en) |
| ES (1) | ES423218A1 (en) |
| FR (1) | FR2221758B1 (en) |
| IT (1) | IT1002950B (en) |
| NL (1) | NL7403395A (en) |
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 |
| EP1842149A1 (en) * | 2005-01-18 | 2007-10-10 | 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 (en) * | 1968-04-17 | 1971-11-30 | ||
| CH511476A (en) * | 1968-10-08 | 1971-03-15 | Proctor Ets | Device for generating periodic mechanical vibrations in a clockwork |
| US3609957A (en) * | 1969-03-27 | 1971-10-05 | Gen Time Corp | Drive arrangement for timekeeping system |
| CH532811A (en) * | 1970-05-11 | 1972-08-31 | Manuf Des Montres Rolex S A Bi | Timepiece comprising a display device with at least one liquid crystal cell |
-
1974
- 1974-01-31 DE DE2404628A patent/DE2404628A1/en active Pending
- 1974-02-14 ES ES423218A patent/ES423218A1/en not_active Expired
- 1974-02-20 IT IT48597/74A patent/IT1002950B/en 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 |
|---|---|
| FR2221758A1 (en) | 1974-10-11 |
| JPS49122769A (en) | 1974-11-25 |
| DE2404628A1 (en) | 1974-10-03 |
| ES423218A1 (en) | 1976-05-01 |
| US3881309A (en) | 1975-05-06 |
| IT1002950B (en) | 1976-05-20 |
| FR2221758B1 (en) | 1976-06-25 |