CH546517A - ELECTRIC MONITORING SYSTEM. - Google Patents

ELECTRIC MONITORING SYSTEM.

Info

Publication number
CH546517A
CH546517A CH326672A CH546517DA CH546517A CH 546517 A CH546517 A CH 546517A CH 326672 A CH326672 A CH 326672A CH 546517D A CH546517D A CH 546517DA CH 546517 A CH546517 A CH 546517A
Authority
CH
Switzerland
Prior art keywords
monitoring system
electric monitoring
electric
monitoring
Prior art date
Application number
CH326672A
Other languages
German (de)
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH546517A publication Critical patent/CH546517A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • 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
    • H04B1/60—Supervising unattended repeaters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Time-Division Multiplex Systems (AREA)
CH326672A 1971-03-08 1972-03-06 ELECTRIC MONITORING SYSTEM. CH546517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB623871 1971-03-08

Publications (1)

Publication Number Publication Date
CH546517A true CH546517A (en) 1974-02-28

Family

ID=9810924

Family Applications (1)

Application Number Title Priority Date Filing Date
CH326672A CH546517A (en) 1971-03-08 1972-03-06 ELECTRIC MONITORING SYSTEM.

Country Status (3)

Country Link
CH (1) CH546517A (en)
GB (1) GB1333951A (en)
ZA (1) ZA72848B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459529A1 (en) * 1979-06-18 1981-01-09 Cii Honeywell Bull METHOD AND DEVICE FOR DIGITAL MAGNETIC RECORDING WITH HIGH FREQUENCY POLARIZATION
FR2469063B1 (en) 1979-10-31 1987-10-23 Brossard Pierre BINARY MODULATIONS WITH PHASE DISPLACEMENT AND MODULATORS
GB8808613D0 (en) * 1988-04-12 1988-05-11 Renishaw Plc Signal transmission system for machine tools inspection machines &c

Also Published As

Publication number Publication date
GB1333951A (en) 1973-10-17
ZA72848B (en) 1972-10-25

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Legal Events

Date Code Title Description
PL Patent ceased