FR22858E - Electrical signaling system - Google Patents

Electrical signaling system

Info

Publication number
FR22858E
FR22858E FR22858A FR22858DA FR22858E FR 22858 E FR22858 E FR 22858E FR 22858 A FR22858 A FR 22858A FR 22858D A FR22858D A FR 22858DA FR 22858 E FR22858 E FR 22858E
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
FR22858A
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 FR22858E publication Critical patent/FR22858E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04Modulator circuits; Transmitter circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/30Circuits for homodyne or synchrodyne receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • H04B1/54Circuits using the same frequency for two directions of communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/68Details 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)
FR22858A 1915-11-29 1917-10-12 Electrical signaling system Expired FR22858E (en)

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
FR22858E true FR22858E (en) 1921-09-05

Family

ID=22052929

Family Applications (4)

Application Number Title Priority Date Filing Date
FR519170A Expired FR519170A (en) 1915-11-29 1917-03-17 Electrical signaling system
FR22856A Expired FR22856E (en) 1915-11-29 1917-06-07 Electrical signaling system
FR22858A Expired FR22858E (en) 1915-11-29 1917-10-12 Electrical signaling system
FR27272D Expired FR27272E (en) 1915-11-29 1923-01-22 Electrical signaling system

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR519170A Expired FR519170A (en) 1915-11-29 1917-03-17 Electrical signaling system
FR22856A Expired FR22856E (en) 1915-11-29 1917-06-07 Electrical signaling system

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR27272D Expired FR27272E (en) 1915-11-29 1923-01-22 Electrical signaling system

Country Status (4)

Country Link
US (1) US1330471A (en)
FR (4) FR519170A (en)
GB (2) GB102500A (en)
NL (2) NL5239C (en)

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 (en) * 2023-10-10 2024-01-02 四川宏大安全技术服务有限公司 Wireless pressure measurement device and method

Also Published As

Publication number Publication date
FR22856E (en) 1921-09-05
FR27272E (en) 1924-05-31
US1330471A (en) 1920-02-10
GB102503A (en) 1917-11-30
NL5239C (en)
NL5069C (en)
FR519170A (en) 1921-06-06
GB102500A (en) 1917-11-01

Similar Documents

Publication Publication Date Title
FR22858E (en) Electrical signaling system
FR22863E (en) Electrical signaling system
FR513760A (en) Improvements in electrical signaling systems
FR481256A (en) Electric traction system
FR476420A (en) Electrical signaling method
FR464655A (en) Signaling system
FR21964E (en) New electric rectifier system
FR506985A (en) Electrical distribution system
DK32311C (en) Electrical Signal System.
DK34827C (en) Electrical Signal System.
FR471350A (en) Electric transmission system
CH72783A (en) Electric railway signaling device
DK29408C (en) System for electrical Signaling.
DK27084C (en) Electrical Signaling Procedure.
FR398776A (en) Electrical signaling system
FR488766A (en) Telephone switchboard system
FR479006A (en) Twilight electrical auto-switch
FR518203A (en) Improvements to signaling systems
CH69864A (en) Telegraph system voters
FR471922A (en) Electric capacitor system
CH72118A (en) Telegraph system
FR511253A (en) Distribution for electrical signaling installations
FR429352A (en) Electrical signaling system to prevent railway accidents
FR449496A (en) Electric warning system
FR512121A (en) Electrical switch device