GB844032A - Improvements in vacuum-tube amplifiers - Google Patents

Improvements in vacuum-tube amplifiers

Info

Publication number
GB844032A
GB844032A GB1386/59A GB138659A GB844032A GB 844032 A GB844032 A GB 844032A GB 1386/59 A GB1386/59 A GB 1386/59A GB 138659 A GB138659 A GB 138659A GB 844032 A GB844032 A GB 844032A
Authority
GB
United Kingdom
Prior art keywords
jan
vacuum
valve
tube amplifiers
thermistor
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
GB1386/59A
Other languages
English (en)
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB844032A publication Critical patent/GB844032A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/223—Controlling dimensions
    • 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
    • H03K4/26—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 current is produced through an inductor
    • H03K4/39—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 current is produced through an inductor using a tube operating as an amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Amplifiers (AREA)
GB1386/59A 1958-01-14 1959-01-14 Improvements in vacuum-tube amplifiers Expired GB844032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL844032X 1958-01-14

Publications (1)

Publication Number Publication Date
GB844032A true GB844032A (en) 1960-08-10

Family

ID=19845102

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1386/59A Expired GB844032A (en) 1958-01-14 1959-01-14 Improvements in vacuum-tube amplifiers

Country Status (3)

Country Link
DE (1) DE1087638B (OSRAM)
GB (1) GB844032A (OSRAM)
NL (1) NL224038A (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE476624A (OSRAM) * 1943-03-19

Also Published As

Publication number Publication date
DE1087638B (de) 1960-08-25
NL224038A (OSRAM)

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