FR2024786B1 - - Google Patents
Info
- Publication number
- FR2024786B1 FR2024786B1 FR6933724A FR6933724A FR2024786B1 FR 2024786 B1 FR2024786 B1 FR 2024786B1 FR 6933724 A FR6933724 A FR 6933724A FR 6933724 A FR6933724 A FR 6933724A FR 2024786 B1 FR2024786 B1 FR 2024786B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimiles In General (AREA)
- Closed-Circuit Television Systems (AREA)
- Television Systems (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE13597/68A SE313831B (US07223432-20070529-C00017.png) | 1968-10-09 | 1968-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2024786A1 FR2024786A1 (US07223432-20070529-C00017.png) | 1970-09-04 |
| FR2024786B1 true FR2024786B1 (US07223432-20070529-C00017.png) | 1974-02-01 |
Family
ID=20297658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6933724A Expired FR2024786B1 (US07223432-20070529-C00017.png) | 1968-10-09 | 1969-10-02 |
Country Status (7)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3934082A (en) * | 1974-08-12 | 1976-01-20 | The United States Of America As Represented By The Secretary Of The Navy | Post detection device for eliminating backscatter |
| DE3123921A1 (de) * | 1981-06-16 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | "schaltungsanordnung fuer eine zusatzeinrichtung einer einroehrenfarbkamera" |
| GB2160052A (en) * | 1984-04-26 | 1985-12-11 | Philips Electronic Associated | Video signal processing arrangement |
| 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 |
| US4686698A (en) * | 1985-04-08 | 1987-08-11 | Datapoint Corporation | Workstation for interfacing with a video conferencing network |
| DE10037071A1 (de) | 2000-07-29 | 2002-02-21 | Omg Ag & Co Kg | Edelmetall-Nanopartikel, Verfahren zu ihrer Herstellung und Verwendung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1948973A (en) * | 1932-06-10 | 1934-02-27 | Bell Telephone Labor Inc | Wave transmission with narrowed band |
| US2717931A (en) * | 1950-07-29 | 1955-09-13 | Rca Corp | Circuit for varying amplifier gain and frequency response with signal amplitude |
| GB774114A (en) * | 1953-12-03 | 1957-05-08 | British Telecomm Res Ltd | Improvements in and relating to the transmission of television signals |
| US2850574A (en) * | 1955-11-02 | 1958-09-02 | Bell Telephone Labor Inc | Apparatus for compression of television bandwidth |
| US3333055A (en) * | 1963-06-01 | 1967-07-25 | Fernseh Gmbh | Apparatus for increasing the signal-to-noise ratio of a television signal |
| US3444469A (en) * | 1965-04-16 | 1969-05-13 | Nippon Electric Co | Variable-emphasis communications system of the frequency or phasemodulation type |
| US3497721A (en) * | 1966-04-22 | 1970-02-24 | Fred A Dexter | Variable resistance diode in an automatic signal voltage leveler |
| US3458815A (en) * | 1966-05-17 | 1969-07-29 | Bell Telephone Labor Inc | Constant level signal transmission with band-edge pilot tone amplitude adjustment |
-
1968
- 1968-10-09 SE SE13597/68A patent/SE313831B/xx unknown
-
1969
- 1969-09-04 US US855166A patent/US3639687A/en not_active Expired - Lifetime
- 1969-09-05 DE DE19691945804 patent/DE1945804B2/de active Pending
- 1969-09-26 GB GB47597/69A patent/GB1219067A/en not_active Expired
- 1969-10-02 FR FR6933724A patent/FR2024786B1/fr not_active Expired
- 1969-10-02 JP JP44078185A patent/JPS4928763B1/ja active Pending
- 1969-10-09 NL NL6915285A patent/NL6915285A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE313831B (US07223432-20070529-C00017.png) | 1969-08-25 |
| DE1945804B2 (de) | 1970-11-26 |
| JPS4928763B1 (US07223432-20070529-C00017.png) | 1974-07-30 |
| DE1945804A1 (de) | 1970-04-30 |
| GB1219067A (en) | 1971-01-13 |
| NL6915285A (US07223432-20070529-C00017.png) | 1970-04-13 |
| US3639687A (en) | 1972-02-01 |
| FR2024786A1 (US07223432-20070529-C00017.png) | 1970-09-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |