CH1131673A4 - - Google Patents
Info
- Publication number
- CH1131673A4 CH1131673A4 CH1131673D CH1131673D CH1131673A4 CH 1131673 A4 CH1131673 A4 CH 1131673A4 CH 1131673 D CH1131673 D CH 1131673D CH 1131673 D CH1131673 D CH 1131673D CH 1131673 A4 CH1131673 A4 CH 1131673A4
- 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
- G02F1/133509—Filters, e.g. light shielding masks
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47077802A JPS4935050A (en) | 1972-08-03 | 1972-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1131673A4 true CH1131673A4 (en) | 1977-07-15 |
Family
ID=13644122
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1131673A CH598644B5 (en) | 1972-08-03 | 1973-08-03 | |
| CH1131673D CH1131673A4 (en) | 1972-08-03 | 1973-08-03 | |
| CH1131673A CH586914A5 (en) | 1972-08-03 | 1974-07-23 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1131673A CH598644B5 (en) | 1972-08-03 | 1973-08-03 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1131673A CH586914A5 (en) | 1972-08-03 | 1974-07-23 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4935050A (en) |
| CH (3) | CH598644B5 (en) |
| DE (1) | DE2339426A1 (en) |
| FR (1) | FR2195380A5 (en) |
| GB (1) | GB1408966A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638327U (en) * | 1979-08-30 | 1981-04-11 | ||
| US4533214A (en) * | 1981-09-21 | 1985-08-06 | Texas Instruments Incorporated | Biaxial substrates in light modulating devices |
| DE3230799A1 (en) * | 1982-08-19 | 1984-02-23 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | High contrast LCD cell - has rear electrode layer of selected thickness total internal to obtain reflection |
| JPS59107930A (en) * | 1982-12-12 | 1984-06-22 | Nitto Kohki Co Ltd | Device for sealing opening end of double superposed glass tubes |
| DE19644913A1 (en) * | 1996-10-29 | 1998-04-30 | Ekkehard Finkeissen | Flexible, size adjustable foil with electrically controlled transparency |
-
1972
- 1972-08-03 JP JP47077802A patent/JPS4935050A/ja active Pending
-
1973
- 1973-07-23 GB GB3494273A patent/GB1408966A/en not_active Expired
- 1973-08-01 FR FR7328198A patent/FR2195380A5/fr not_active Expired
- 1973-08-03 DE DE19732339426 patent/DE2339426A1/en active Pending
- 1973-08-03 CH CH1131673A patent/CH598644B5/xx not_active IP Right Cessation
- 1973-08-03 CH CH1131673D patent/CH1131673A4/xx unknown
-
1974
- 1974-07-23 CH CH1131673A patent/CH586914A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2339426A1 (en) | 1974-02-14 |
| GB1408966A (en) | 1975-10-08 |
| JPS4935050A (en) | 1974-04-01 |
| CH598644B5 (en) | 1978-05-12 |
| FR2195380A5 (en) | 1974-03-01 |
| CH586914A5 (en) | 1977-04-15 |