FR781707A - Improvements to radio receivers - Google Patents

Improvements to radio receivers

Info

Publication number
FR781707A
FR781707A FR781707DA FR781707A FR 781707 A FR781707 A FR 781707A FR 781707D A FR781707D A FR 781707DA FR 781707 A FR781707 A FR 781707A
Authority
FR
France
Prior art keywords
radio receivers
receivers
radio
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.)
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 FR781707A publication Critical patent/FR781707A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/067—Starting the arc
    • B23K9/0672—Starting the arc without direct contact between electrodes
    • B23K9/0678—Ionization of the arc gap by means of an auxiliary arc
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Selective Calling Equipment (AREA)
  • Transmitters (AREA)
FR781707D 1933-12-01 1934-11-23 Improvements to radio receivers Expired FR781707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US451345XA 1933-12-01 1933-12-01

Publications (1)

Publication Number Publication Date
FR781707A true FR781707A (en) 1935-05-21

Family

ID=21936173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781707D Expired FR781707A (en) 1933-12-01 1934-11-23 Improvements to radio receivers

Country Status (5)

Country Link
BE (1) BE451345A (en)
DE (1) DE701720C (en)
FR (1) FR781707A (en)
GB (1) GB451345A (en)
NL (1) NL43698C (en)

Also Published As

Publication number Publication date
NL43698C (en)
DE701720C (en) 1941-01-23
BE451345A (en)
GB451345A (en) 1936-08-04

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