FR947891A - Système pour obtenir des variations linéaires de tension - Google Patents

Système pour obtenir des variations linéaires de tension

Info

Publication number
FR947891A
FR947891A FR947891DA FR947891A FR 947891 A FR947891 A FR 947891A FR 947891D A FR947891D A FR 947891DA FR 947891 A FR947891 A FR 947891A
Authority
FR
France
Prior art keywords
linear voltage
voltage variations
obtaining linear
obtaining
variations
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
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR947891A publication Critical patent/FR947891A/fr
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
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/148—Video amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR947891D 1946-07-13 1947-06-13 Système pour obtenir des variations linéaires de tension Expired FR947891A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US947891XA 1946-07-13 1946-07-13

Publications (1)

Publication Number Publication Date
FR947891A true FR947891A (fr) 1949-07-15

Family

ID=22247175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947891D Expired FR947891A (fr) 1946-07-13 1947-06-13 Système pour obtenir des variations linéaires de tension

Country Status (2)

Country Link
FR (1) FR947891A (enrdf_load_stackoverflow)
NL (1) NL75753C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855816A (en) * 1951-12-26 1958-10-14 Rca Corp Music synthesizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855816A (en) * 1951-12-26 1958-10-14 Rca Corp Music synthesizer

Also Published As

Publication number Publication date
NL75753C (enrdf_load_stackoverflow)

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