NL76307C - - Google Patents
Info
- Publication number
- NL76307C NL76307C NL76307DA NL76307C NL 76307 C NL76307 C NL 76307C NL 76307D A NL76307D A NL 76307DA NL 76307 C NL76307 C NL 76307C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/10—Amino derivatives of triarylmethanes
- C09B11/12—Amino derivatives of triarylmethanes without any OH group bound to an aryl nucleus
- C09B11/18—Preparation by oxidation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/52—Automatic gain control
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL276000X | 1948-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL76307C true NL76307C (fr) |
Family
ID=19782124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL76307D NL76307C (fr) | 1948-08-25 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE490791A (fr) |
| CH (1) | CH276000A (fr) |
| DE (1) | DE814460C (fr) |
| FR (1) | FR993703A (fr) |
| GB (1) | GB662594A (fr) |
| NL (1) | NL76307C (fr) |
-
0
- NL NL76307D patent/NL76307C/xx active
- BE BE490791D patent/BE490791A/xx unknown
-
1949
- 1949-08-22 GB GB21729/49A patent/GB662594A/en not_active Expired
- 1949-08-23 FR FR993703D patent/FR993703A/fr not_active Expired
- 1949-08-23 CH CH276000D patent/CH276000A/de unknown
- 1949-08-23 DE DEP52657A patent/DE814460C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE490791A (fr) | |
| FR993703A (fr) | 1951-11-06 |
| GB662594A (en) | 1951-12-05 |
| DE814460C (de) | 1951-09-24 |
| CH276000A (de) | 1951-06-15 |