FR827770A - Method of transmitting signals without distortion by means of electronic lamps in powerline telegraph installations - Google Patents

Method of transmitting signals without distortion by means of electronic lamps in powerline telegraph installations

Info

Publication number
FR827770A
FR827770A FR827770DA FR827770A FR 827770 A FR827770 A FR 827770A FR 827770D A FR827770D A FR 827770DA FR 827770 A FR827770 A FR 827770A
Authority
FR
France
Prior art keywords
powerline
distortion
transmitting signals
electronic lamps
telegraph
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR827770A publication Critical patent/FR827770A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/08—Amplitude regulation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FR827770D 1936-10-13 1937-10-12 Method of transmitting signals without distortion by means of electronic lamps in powerline telegraph installations Expired FR827770A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE827770X 1936-10-13
DE241308X 1942-12-10

Publications (1)

Publication Number Publication Date
FR827770A true FR827770A (en) 1938-05-03

Family

ID=34839294

Family Applications (2)

Application Number Title Priority Date Filing Date
FR827770D Expired FR827770A (en) 1936-10-13 1937-10-12 Method of transmitting signals without distortion by means of electronic lamps in powerline telegraph installations
FR53234D Expired FR53234E (en) 1936-10-13 1943-12-08 Method of transmitting signals without distortion by means of electronic lamps in power line telegraph installations

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR53234D Expired FR53234E (en) 1936-10-13 1943-12-08 Method of transmitting signals without distortion by means of electronic lamps in power line telegraph installations

Country Status (2)

Country Link
DE (1) DE744376C (en)
FR (2) FR827770A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743016C (en) * 1938-06-14 1943-12-16 Ericsson Telefon Ab L M Receiving arrangement for alternating current telegraphy
US2424961A (en) * 1944-12-04 1947-08-05 Standard Telephones Cables Ltd Demodulator for carrier telegraph signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1809950A (en) * 1929-08-05 1931-06-16 American Telephone & Telegraph Carrier telegraph system
BE379444A (en) * 1930-04-29
US1943478A (en) * 1930-08-23 1934-01-16 American Telephone & Telegraph Transmission level control in telegraph signaling systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743016C (en) * 1938-06-14 1943-12-16 Ericsson Telefon Ab L M Receiving arrangement for alternating current telegraphy
US2424961A (en) * 1944-12-04 1947-08-05 Standard Telephones Cables Ltd Demodulator for carrier telegraph signals

Also Published As

Publication number Publication date
DE744376C (en) 1944-01-14
FR53234E (en) 1945-10-02

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