BE427630A - - Google Patents
Info
- Publication number
- BE427630A BE427630A BE427630DA BE427630A BE 427630 A BE427630 A BE 427630A BE 427630D A BE427630D A BE 427630DA BE 427630 A BE427630 A BE 427630A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/123—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal directly commands a frequency generator
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET2206D DE881705C (en) | 1937-04-24 | 1937-04-24 | Circuit arrangement for generating a constant waveform of the relaxation oscillations in externally controlled multivibrators |
Publications (1)
Publication Number | Publication Date |
---|---|
BE427630A true BE427630A (en) | 1938-06-30 |
Family
ID=7989480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE427630D BE427630A (en) | 1937-04-24 | 1938-04-16 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2193850A (en) |
BE (1) | BE427630A (en) |
DE (1) | DE881705C (en) |
FR (1) | FR836860A (en) |
NL (1) | NL54023C (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB581324A (en) * | 1942-06-26 | 1946-10-09 | John Mathieson Dodds | Improvements in relaxation circuits for producing electrical impulses at regular recurrence frequencies |
US2513954A (en) * | 1942-09-28 | 1950-07-04 | Gen Electric | Synchronized pulse generator |
US2507211A (en) * | 1942-12-24 | 1950-05-09 | Gen Electric | Pulse receiver circuit |
US2432227A (en) * | 1943-08-24 | 1947-12-09 | Westinghouse Electric Corp | Pulsed oscillator |
US2430725A (en) * | 1943-11-12 | 1947-11-11 | Rca Corp | Triggering system for obtaining a sharp-sided output pulse shorter than the input pulse |
US2489824A (en) * | 1943-12-24 | 1949-11-29 | Rca Corp | Square wave generator with impulse counter timing control for frequency division |
US2479954A (en) * | 1944-04-29 | 1949-08-23 | Philco Corp | Pulse delay system |
US2451997A (en) * | 1944-06-02 | 1948-10-19 | Weltronic Co | Electronic timing control system |
US2445448A (en) * | 1944-07-27 | 1948-07-20 | Rca Corp | Electron discharge device trigger circuit |
US2457062A (en) * | 1944-08-02 | 1948-12-21 | Philco Corp | Quenched amplifier system |
US2551771A (en) * | 1944-08-30 | 1951-05-08 | Philco Corp | Electrical pulse generator |
BE482007A (en) * | 1944-09-05 | |||
US2445933A (en) * | 1945-01-23 | 1948-07-27 | Du Mont Allen B Lab Inc | Controlled blocking tube oscillator |
US2616954A (en) * | 1945-07-05 | 1952-11-04 | Thomas A Prugh | Electrical apparatus |
US2605404A (en) * | 1945-10-09 | 1952-07-29 | Jr George E Valley | Pulse generator |
US2605406A (en) * | 1945-12-12 | 1952-07-29 | Everhard H B Bartelink | Multivibrator saw-tooth generator |
US2688696A (en) * | 1946-02-05 | 1954-09-07 | Pierce E Reeves | Pulse generating system |
BE474449A (en) * | 1946-03-20 | |||
US2690510A (en) * | 1946-03-29 | 1954-09-28 | Gordon D Forbes | Blocking oscillator circuits |
US2653236A (en) * | 1946-04-02 | 1953-09-22 | John K Phelan | Frequency dividing circuit |
US2456089A (en) * | 1946-06-26 | 1948-12-14 | Rca Corp | Wide band frequency modulator |
US2512355A (en) * | 1947-06-30 | 1950-06-20 | Westinghouse Electric Corp | X-ray thickness gauge |
US2550016A (en) * | 1947-09-03 | 1951-04-24 | Beautymaster Inc | Oscillating apparatus |
GB645317A (en) * | 1948-06-18 | 1950-10-25 | Hughes Henry & Son Ltd | Improvements in and relating to electric pulse-generating circuits |
US2536853A (en) * | 1949-03-25 | 1951-01-02 | Philco Corp | Saw-tooth current generator |
US2595220A (en) * | 1949-03-30 | 1952-05-06 | Deering Milliken Res Trust | Production and utilization of control signals |
US2850648A (en) * | 1955-03-18 | 1958-09-02 | Gen Dynamics Corp | Pulse generating circuit |
US3241088A (en) * | 1956-01-12 | 1966-03-15 | Gen Motors Corp | Transistor oscillator feedback circuit |
US2976489A (en) * | 1956-08-08 | 1961-03-21 | North American Aviation Inc | Blocking oscillator |
US2963593A (en) * | 1957-02-21 | 1960-12-06 | Gen Electric | Cross-coupled multivibrator selectively operable either monostably or bistably |
-
1937
- 1937-04-24 DE DET2206D patent/DE881705C/en not_active Expired
-
1938
- 1938-04-16 BE BE427630D patent/BE427630A/xx unknown
- 1938-04-20 FR FR836860D patent/FR836860A/en not_active Expired
- 1938-04-22 NL NL87491A patent/NL54023C/xx active
- 1938-08-09 US US223804A patent/US2193850A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2193850A (en) | 1940-03-19 |
NL54023C (en) | 1943-03-15 |
FR836860A (en) | 1939-01-27 |
DE881705C (en) | 1953-07-02 |