FR1568421A - - Google Patents
Info
- Publication number
- FR1568421A FR1568421A FR1568421DA FR1568421A FR 1568421 A FR1568421 A FR 1568421A FR 1568421D A FR1568421D A FR 1568421DA FR 1568421 A FR1568421 A FR 1568421A
- 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
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/749—Circuitry for compensating brightness variation in the scene by influencing the pick-up tube voltages
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63128067A | 1967-04-17 | 1967-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1568421A true FR1568421A (fr) | 1969-05-23 |
Family
ID=24530528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1568421D Expired FR1568421A (fr) | 1967-04-17 | 1968-04-17 |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA941957A (fr) |
| DE (1) | DE1762140A1 (fr) |
| FR (1) | FR1568421A (fr) |
-
1968
- 1968-02-09 CA CA012,088A patent/CA941957A/en not_active Expired
- 1968-04-17 FR FR1568421D patent/FR1568421A/fr not_active Expired
- 1968-04-17 DE DE19681762140 patent/DE1762140A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1762140A1 (de) | 1970-06-04 |
| CA941957A (en) | 1974-02-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |