NL20201C - - Google Patents
Info
- Publication number
- NL20201C NL20201C NL20201DA NL20201C NL 20201 C NL20201 C NL 20201C NL 20201D A NL20201D A NL 20201DA NL 20201 C NL20201 C NL 20201C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
- H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
- H03C1/20—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to anode
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US99740A US1755386A (en) | 1925-08-10 | 1926-04-05 | Vacuum-tube generator system |
| US423308A US2006440A (en) | 1926-04-05 | 1930-01-25 | Vacuum tube generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL20201C true NL20201C (forum.php) |
Family
ID=26796434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL20201D NL20201C (forum.php) | 1926-04-05 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2006440A (forum.php) |
| DE (1) | DE489942C (forum.php) |
| NL (1) | NL20201C (forum.php) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2439844A (en) * | 1943-10-29 | 1948-04-20 | Bendix Aviat Corp | Amplifier and oscillator circuit |
| BE468182A (forum.php) * | 1944-04-04 | |||
| US2421468A (en) * | 1944-08-25 | 1947-06-03 | Rca Corp | Selective transmitting, receiving, and oscillator circuit |
| US2459281A (en) * | 1945-01-08 | 1949-01-18 | Rca Corp | Two-way radio equipment for lifeboat service |
| FR960967A (forum.php) * | 1945-02-06 | 1950-04-28 | ||
| US2453269A (en) * | 1945-05-21 | 1948-11-09 | Automatic Elect Lab | Printing telegraph system |
| US2515254A (en) * | 1946-12-11 | 1950-07-18 | Paul W Nosker | Remote-control system |
| US2991357A (en) * | 1959-08-31 | 1961-07-04 | Gen Electric | Amplitude modulated radio frequency transmitter |
| US4418416A (en) * | 1981-04-06 | 1983-11-29 | Bell Telephone Laboratories, Incorporated | Frequency modulation transmitter for voice or data |
-
0
- NL NL20201D patent/NL20201C/xx active
-
1926
- 1926-08-10 DE DES81647D patent/DE489942C/de not_active Expired
-
1930
- 1930-01-25 US US423308A patent/US2006440A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE489942C (de) | 1930-01-22 |
| US2006440A (en) | 1935-07-02 |