CH1397375A4 - - Google Patents
Info
- Publication number
- CH1397375A4 CH1397375A4 CH1397375D CH1397375D CH1397375A4 CH 1397375 A4 CH1397375 A4 CH 1397375A4 CH 1397375 D CH1397375 D CH 1397375D CH 1397375 D CH1397375 D CH 1397375D CH 1397375 A4 CH1397375 A4 CH 1397375A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
- G04G9/0035—Details constructional
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1397375A CH599616B5 (OSRAM) | 1975-10-28 | 1975-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1397375A4 true CH1397375A4 (OSRAM) | 1977-07-29 |
Family
ID=4396866
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1397375D CH1397375A4 (OSRAM) | 1975-10-28 | 1975-10-28 | |
| CH1397375A CH599616B5 (OSRAM) | 1975-10-28 | 1975-10-28 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1397375A CH599616B5 (OSRAM) | 1975-10-28 | 1975-10-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4068230A (OSRAM) |
| CH (2) | CH1397375A4 (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6042231A (en) * | 1996-08-02 | 2000-03-28 | Vega Vista, Inc. | Methods and systems for relieving eye strain |
| US6364485B1 (en) | 1996-08-02 | 2002-04-02 | Vega Vista, Inc. | Methods and systems for relieving eye strain |
| US6076928A (en) * | 1998-06-15 | 2000-06-20 | Fateh; Sina | Ideal visual ergonomic system for computer users |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406476A (en) * | 1966-03-03 | 1968-10-22 | Wilcox Lucia | Method and apparatus for exhibiting ornamental designs |
| US3468545A (en) * | 1966-08-29 | 1969-09-23 | Pictorial Prod Inc | Golfer's head movement indicating device |
| IL40825A (en) * | 1972-11-13 | 1977-03-31 | Stolov M | Digital display device |
| CH566610A5 (OSRAM) * | 1973-01-03 | 1975-09-15 | Battelle Memorial Institute |
-
1975
- 1975-10-28 CH CH1397375D patent/CH1397375A4/xx unknown
- 1975-10-28 CH CH1397375A patent/CH599616B5/xx not_active IP Right Cessation
-
1976
- 1976-10-21 US US05/734,552 patent/US4068230A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH599616B5 (OSRAM) | 1978-05-31 |
| US4068230A (en) | 1978-01-10 |