FR836860A - Assembly to produce variations, preferably periodic, of the current or the voltage supplied by a relaxation generator - Google Patents

Assembly to produce variations, preferably periodic, of the current or the voltage supplied by a relaxation generator

Info

Publication number
FR836860A
FR836860A FR836860DA FR836860A FR 836860 A FR836860 A FR 836860A FR 836860D A FR836860D A FR 836860DA FR 836860 A FR836860 A FR 836860A
Authority
FR
France
Prior art keywords
assembly
current
voltage supplied
produce variations
preferably periodic
Prior art date
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR836860A publication Critical patent/FR836860A/en
Expired legal-status Critical Current

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)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Particle Accelerators (AREA)
  • Details Of Television Scanning (AREA)
FR836860D 1937-04-24 1938-04-20 Assembly to produce variations, preferably periodic, of the current or the voltage supplied by a relaxation generator Expired FR836860A (en)

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
FR836860A true FR836860A (en) 1939-01-27

Family

ID=7989480

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836860D Expired FR836860A (en) 1937-04-24 1938-04-20 Assembly to produce variations, preferably periodic, of the current or the voltage supplied by a relaxation generator

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)

* Cited by examiner, † Cited by third party
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
FR959757A (en) * 1944-09-05 1950-04-05
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

Also Published As

Publication number Publication date
DE881705C (en) 1953-07-02
NL54023C (en) 1943-03-15
BE427630A (en) 1938-06-30
US2193850A (en) 1940-03-19

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