[go: up one dir, main page]

FR850784A - Set of keys for alternating current telegraphy with dry rectifiers - Google Patents

Set of keys for alternating current telegraphy with dry rectifiers

Info

Publication number
FR850784A
FR850784A FR850784DA FR850784A FR 850784 A FR850784 A FR 850784A FR 850784D A FR850784D A FR 850784DA FR 850784 A FR850784 A FR 850784A
Authority
FR
France
Prior art keywords
keys
alternating current
dry rectifiers
current telegraphy
telegraphy
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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten 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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR850784A publication Critical patent/FR850784A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/56—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only
    • H03C1/58—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only comprising diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR850784D 1938-03-29 1939-02-24 Set of keys for alternating current telegraphy with dry rectifiers Expired FR850784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE208858X 1938-03-29

Publications (1)

Publication Number Publication Date
FR850784A true FR850784A (en) 1939-12-26

Family

ID=5794469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850784D Expired FR850784A (en) 1938-03-29 1939-02-24 Set of keys for alternating current telegraphy with dry rectifiers

Country Status (2)

Country Link
CH (1) CH208858A (en)
FR (1) FR850784A (en)

Also Published As

Publication number Publication date
CH208858A (en) 1940-02-29

Similar Documents

Publication Publication Date Title
CH224456A (en) Electric calculating machine.
CH221438A (en) Rectifiers for voltage doubler circuits.
FR850784A (en) Set of keys for alternating current telegraphy with dry rectifiers
FR820868A (en) Rectifier for alternating current
FR852367A (en) motor assembly for alternating current devices with mobile drum
FR843679A (en) Telegraphic character printing apparatus
FR869974A (en) Handling device for alternating current telegraphy with dry rectifiers
FR875252A (en) Alternating current telegraphy with frequency doubling
FR867944A (en) Dry current rectifier
FR856689A (en) Improvements to AC circuits
FR850863A (en) DC generator
FR854412A (en) Improvements to galvanocauters operating on alternating current
FR846114A (en) soap saver
FR887076A (en) Dry current rectifier
FR869596A (en) Handling arrangement for AC telegraphy
FR885850A (en) Typewriter
FR852587A (en) Current transformer systems
FR870030A (en) Key for calculating machines
FR861949A (en) Form-mounting machine
FR860235A (en) magnetite electrode with electrolysis elements
CH203244A (en) Fixing device for rectifier anodes.
FR837532A (en) Improvements to copying machines
FR861555A (en) Mercury vapor rectifier
FR878559A (en) Polyphase rectifiers
FR832926A (en) Current rectifier