FR517685A - Signaling system using modulated high frequency carrier waves - Google Patents

Signaling system using modulated high frequency carrier waves

Info

Publication number
FR517685A
FR517685A FR517685A FR517685DA FR517685A FR 517685 A FR517685 A FR 517685A FR 517685 A FR517685 A FR 517685A FR 517685D A FR517685D A FR 517685DA FR 517685 A FR517685 A FR 517685A
Authority
FR
France
Prior art keywords
high frequency
carrier waves
frequency carrier
signaling system
modulated high
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
FR517685A
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR517685A publication Critical patent/FR517685A/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
    • H03C1/60—Modulators in which carrier or one sideband is wholly or partially suppressed with one sideband wholly or partially suppressed
FR517685A 1915-12-01 1920-06-23 Signaling system using modulated high frequency carrier waves Expired FR517685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64502A US1449372A (en) 1915-12-01 1915-12-01 System of telephony

Publications (1)

Publication Number Publication Date
FR517685A true FR517685A (en) 1921-05-10

Family

ID=22056422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517685A Expired FR517685A (en) 1915-12-01 1920-06-23 Signaling system using modulated high frequency carrier waves

Country Status (5)

Country Link
US (1) US1449372A (en)
CH (2) CH104686A (en)
DE (1) DE353944C (en)
FR (1) FR517685A (en)
GB (1) GB146881A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL78602C (en) * 1943-10-21 1955-06-22
US2559390A (en) * 1947-07-03 1951-07-03 Gen Railway Signal Co Centralized traffic control system
US2497592A (en) * 1947-11-13 1950-02-14 Lennart G Erickson Carrier terminal equipment
BE503079A (en) * 1950-05-08

Also Published As

Publication number Publication date
GB146881A (en) 1921-09-29
US1449372A (en) 1923-03-27
CH96264A (en) 1922-09-16
DE353944C (en) 1922-05-30
CH104686A (en) 1924-05-16

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