GB450041A - Improvements in electrical time-base circuits - Google Patents

Improvements in electrical time-base circuits

Info

Publication number
GB450041A
GB450041A GB1413135A GB1413135A GB450041A GB 450041 A GB450041 A GB 450041A GB 1413135 A GB1413135 A GB 1413135A GB 1413135 A GB1413135 A GB 1413135A GB 450041 A GB450041 A GB 450041A
Authority
GB
United Kingdom
Prior art keywords
condenser
grid
valve
general electric
impedance
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
GB1413135A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB1413135A priority Critical patent/GB450041A/en
Priority to DER96301D priority patent/DE735911C/en
Publication of GB450041A publication Critical patent/GB450041A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03K4/86—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements gas-filled tubes or spark-gaps

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Magnetic Treatment Devices (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

450,041. Valve generating circuits. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and ESPLEY, D. C., c/o General Electric Co., Ltd., Wembley, Middlesex. May 14, 1935, No. 14131. [Class 40 (v)] An oscillator comprises a condenser 9 charged over a constant current device 10 and discharged through a valve 5 triggered by synchronizing signals applied to the grid from 22, the grid and cathode of the valve 5 being connected by a conductive impedance 23 and a condenser 24. The lead to the source for biassing the grid is taken from the junction of the condenser 24 and impedance 23. This circuit limits variation of the potential difference between the grid and cathode during charging of the condenser 9 so allowing the use of a small synchronizing impulse. Specification 438,386 is referred to.
GB1413135A 1935-05-14 1935-05-14 Improvements in electrical time-base circuits Expired GB450041A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1413135A GB450041A (en) 1935-05-14 1935-05-14 Improvements in electrical time-base circuits
DER96301D DE735911C (en) 1935-05-14 1936-05-15 Circuit for generating forced breakover oscillations by charging and discharging a capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1413135A GB450041A (en) 1935-05-14 1935-05-14 Improvements in electrical time-base circuits

Publications (1)

Publication Number Publication Date
GB450041A true GB450041A (en) 1936-07-09

Family

ID=10035547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1413135A Expired GB450041A (en) 1935-05-14 1935-05-14 Improvements in electrical time-base circuits

Country Status (2)

Country Link
DE (1) DE735911C (en)
GB (1) GB450041A (en)

Also Published As

Publication number Publication date
DE735911C (en) 1943-06-01

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