IT978127B - Dispositivo ad emissione di luce - Google Patents
Dispositivo ad emissione di luceInfo
- Publication number
- IT978127B IT978127B IT19171/73A IT1917173A IT978127B IT 978127 B IT978127 B IT 978127B IT 19171/73 A IT19171/73 A IT 19171/73A IT 1917173 A IT1917173 A IT 1917173A IT 978127 B IT978127 B IT 978127B
- Authority
- IT
- Italy
- Prior art keywords
- light emission
- emission device
- light
- emission
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
- H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3023—Segmented electronic displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Led Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP542472A JPS5137870B2 (sv) | 1972-01-11 | 1972-01-11 | |
JP8011072A JPS5113621B2 (sv) | 1972-08-10 | 1972-08-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT978127B true IT978127B (it) | 1974-09-20 |
Family
ID=26339366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19171/73A IT978127B (it) | 1972-01-11 | 1973-01-11 | Dispositivo ad emissione di luce |
Country Status (7)
Country | Link |
---|---|
US (1) | US3840858A (sv) |
CA (1) | CA970452A (sv) |
DE (1) | DE2301223A1 (sv) |
FR (1) | FR2173938B1 (sv) |
GB (1) | GB1407508A (sv) |
IT (1) | IT978127B (sv) |
NL (1) | NL7300442A (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3633203A1 (de) * | 1986-09-30 | 1988-03-31 | Siemens Ag | Lichtemissionsdioden (led) - anzeigevorrichtung |
US4837565A (en) * | 1987-08-13 | 1989-06-06 | Digital Equipment Corporation | Tri-state function indicator |
-
1973
- 1973-01-03 US US00320720A patent/US3840858A/en not_active Expired - Lifetime
- 1973-01-09 GB GB123373A patent/GB1407508A/en not_active Expired
- 1973-01-10 CA CA160,973A patent/CA970452A/en not_active Expired
- 1973-01-11 FR FR7300909A patent/FR2173938B1/fr not_active Expired
- 1973-01-11 NL NL7300442A patent/NL7300442A/xx not_active Application Discontinuation
- 1973-01-11 DE DE2301223A patent/DE2301223A1/de active Pending
- 1973-01-11 IT IT19171/73A patent/IT978127B/it active
Also Published As
Publication number | Publication date |
---|---|
US3840858A (en) | 1974-10-08 |
FR2173938B1 (sv) | 1976-07-23 |
DE2301223A1 (de) | 1973-07-26 |
FR2173938A1 (sv) | 1973-10-12 |
NL7300442A (sv) | 1973-07-13 |
GB1407508A (en) | 1975-09-24 |
CA970452A (en) | 1975-07-01 |
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