BE479411A - - Google Patents
Info
- Publication number
- BE479411A BE479411A BE479411DA BE479411A BE 479411 A BE479411 A BE 479411A BE 479411D A BE479411D A BE 479411DA BE 479411 A BE479411 A BE 479411A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
- H03K4/12—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor
- H03K4/16—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a single tube with positive feedback through transformer, e.g. blocking oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US492996A US2419571A (en) | 1943-07-01 | 1943-07-01 | Selective pulsing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479411A true BE479411A (pt) |
Family
ID=23958469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479411D BE479411A (pt) | 1943-07-01 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2419571A (pt) |
| BE (1) | BE479411A (pt) |
| ES (1) | ES182197A1 (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619634A (en) * | 1943-02-23 | 1952-11-25 | Frank C Isely | Apparatus for measuring pulse power and for testing radio echo apparatus |
| NL71621C (pt) * | 1943-03-13 | |||
| GB604438A (en) * | 1943-09-16 | 1948-07-05 | Marconi Wireless Telegraph Co | Pulse communication system |
| BE473180A (pt) * | 1943-10-26 | |||
| BE473040A (pt) * | 1944-03-13 | |||
| US2679580A (en) * | 1945-01-24 | 1954-05-25 | Us Sec War | Wide band receiver-transmitter |
| NL129550C (pt) * | 1945-09-29 | |||
| US2628836A (en) * | 1946-01-09 | 1953-02-17 | Robert N Gangel | Tow target hit indicator |
| US2679043A (en) * | 1946-05-21 | 1954-05-18 | Us Sec War | Beacon receiver |
| US2592777A (en) * | 1946-08-21 | 1952-04-15 | Williams Frederic Calland | Pulse-echo identifying system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB509820A (en) * | 1937-11-19 | 1939-07-19 | Edmond Maurice Deloraine | Improvements in or relating to electric signalling systems |
-
0
- BE BE479411D patent/BE479411A/xx unknown
-
1943
- 1943-07-01 US US492996A patent/US2419571A/en not_active Expired - Lifetime
-
1948
- 1948-02-09 ES ES0182197A patent/ES182197A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2419571A (en) | 1947-04-29 |
| ES182197A1 (es) | 1948-04-01 |