FR27272E - Système de signalisation électrique - Google Patents

Système de signalisation électrique

Info

Publication number
FR27272E
FR27272E FR27272DA FR27272E FR 27272 E FR27272 E FR 27272E FR 27272D A FR27272D A FR 27272DA FR 27272 E FR27272 E FR 27272E
Authority
FR
France
Prior art keywords
signaling system
electrical signaling
electrical
signaling
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)
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 FR27272E publication Critical patent/FR27272E/fr
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
    • H04L27/04—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
FR27272D 1915-11-29 1923-01-22 Système de signalisation électrique Expired FR27272E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64005A US1330471A (en) 1915-11-29 1915-11-29 High-frequency signaling

Publications (1)

Publication Number Publication Date
FR27272E true FR27272E (fr) 1924-05-31

Family

ID=22052929

Family Applications (4)

Application Number Title Priority Date Filing Date
FR519170A Expired FR519170A (fr) 1915-11-29 1917-03-17 Système de signalisation électrique
FR22856A Expired FR22856E (fr) 1915-11-29 1917-06-07 Système de signalisation électrique
FR22858A Expired FR22858E (fr) 1915-11-29 1917-10-12 Système de signalisation électrique
FR27272D Expired FR27272E (fr) 1915-11-29 1923-01-22 Système de signalisation électrique

Family Applications Before (3)

Application Number Title Priority Date Filing Date
FR519170A Expired FR519170A (fr) 1915-11-29 1917-03-17 Système de signalisation électrique
FR22856A Expired FR22856E (fr) 1915-11-29 1917-06-07 Système de signalisation électrique
FR22858A Expired FR22858E (fr) 1915-11-29 1917-10-12 Système de signalisation électrique

Country Status (4)

Country Link
US (1) US1330471A (fr)
FR (4) FR519170A (fr)
GB (2) GB102500A (fr)
NL (2) NL5069C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015069A (en) * 1956-11-07 1961-12-26 Rca Corp Oscillating in-phase detectors
CN117052380B (zh) * 2023-10-10 2024-01-02 四川宏大安全技术服务有限公司 一种无线压力测量装置及方法

Also Published As

Publication number Publication date
FR22856E (fr) 1921-09-05
NL5239C (fr)
FR519170A (fr) 1921-06-06
GB102503A (en) 1917-11-30
NL5069C (fr)
US1330471A (en) 1920-02-10
FR22858E (fr) 1921-09-05
GB102500A (en) 1917-11-01

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