IT951745B - Dispositivo per videotelefono - Google Patents
Dispositivo per videotelefonoInfo
- Publication number
- IT951745B IT951745B IT19446/72A IT1944672A IT951745B IT 951745 B IT951745 B IT 951745B IT 19446/72 A IT19446/72 A IT 19446/72A IT 1944672 A IT1944672 A IT 1944672A IT 951745 B IT951745 B IT 951745B
- Authority
- IT
- Italy
- Prior art keywords
- telephone device
- video telephone
- video
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Studio Devices (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19446/72A IT951745B (it) | 1972-01-17 | 1972-01-17 | Dispositivo per videotelefono |
FR7226030A FR2168276B1 (it) | 1972-01-17 | 1972-07-19 | |
GB4381472A GB1389113A (en) | 1972-01-17 | 1972-09-21 | Optical focussing system |
DE2300785A DE2300785A1 (de) | 1972-01-17 | 1973-01-08 | Bildaufnahmeeinrichtung fuer eine endstelle einer fernsehtelefonanlage |
US00323270A US3843835A (en) | 1972-01-17 | 1973-01-12 | Optical system for taking videothelephone pictures and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19446/72A IT951745B (it) | 1972-01-17 | 1972-01-17 | Dispositivo per videotelefono |
Publications (1)
Publication Number | Publication Date |
---|---|
IT951745B true IT951745B (it) | 1973-07-10 |
Family
ID=11158059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19446/72A IT951745B (it) | 1972-01-17 | 1972-01-17 | Dispositivo per videotelefono |
Country Status (5)
Country | Link |
---|---|
US (1) | US3843835A (it) |
DE (1) | DE2300785A1 (it) |
FR (1) | FR2168276B1 (it) |
GB (1) | GB1389113A (it) |
IT (1) | IT951745B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4716585A (en) * | 1985-04-05 | 1987-12-29 | Datapoint Corporation | Gain switched audio conferencing network |
US4710917A (en) * | 1985-04-08 | 1987-12-01 | Datapoint Corporation | Video conferencing network |
US4821307A (en) * | 1987-02-10 | 1989-04-11 | Flint Iii Paul L | Image splitter for two-way imaging apparatus |
US5142562A (en) * | 1987-09-25 | 1992-08-25 | Jacques Guichard | Sound and vision communications terminal including an auxiliary lighting device |
FR2621197B1 (fr) * | 1987-09-25 | 1993-08-20 | Guichard Jacques | Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint |
US5014267A (en) * | 1989-04-06 | 1991-05-07 | Datapoint Corporation | Video conferencing network |
US7876421B2 (en) * | 2008-01-29 | 2011-01-25 | Ian Lewin | Light meter apparatus and system |
US8786847B2 (en) | 2011-01-12 | 2014-07-22 | Underwriters Laboratories, Inc. | Light measuring meter apparatus |
-
1972
- 1972-01-17 IT IT19446/72A patent/IT951745B/it active
- 1972-07-19 FR FR7226030A patent/FR2168276B1/fr not_active Expired
- 1972-09-21 GB GB4381472A patent/GB1389113A/en not_active Expired
-
1973
- 1973-01-08 DE DE2300785A patent/DE2300785A1/de active Pending
- 1973-01-12 US US00323270A patent/US3843835A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3843835A (en) | 1974-10-22 |
GB1389113A (en) | 1975-04-03 |
DE2300785A1 (de) | 1973-07-19 |
FR2168276A1 (it) | 1973-08-31 |
FR2168276B1 (it) | 1974-10-04 |
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