NL7212561A - - Google Patents

Info

Publication number
NL7212561A
NL7212561A NL7212561A NL7212561A NL7212561A NL 7212561 A NL7212561 A NL 7212561A NL 7212561 A NL7212561 A NL 7212561A NL 7212561 A NL7212561 A NL 7212561A NL 7212561 A NL7212561 A NL 7212561A
Authority
NL
Netherlands
Application number
NL7212561A
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 filed Critical
Publication of NL7212561A publication Critical patent/NL7212561A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
NL7212561A 1971-09-16 1972-09-15 NL7212561A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18116671A 1971-09-16 1971-09-16

Publications (1)

Publication Number Publication Date
NL7212561A true NL7212561A (OSRAM) 1973-03-20

Family

ID=22663161

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7212561A NL7212561A (OSRAM) 1971-09-16 1972-09-15

Country Status (7)

Country Link
US (1) US3711777A (OSRAM)
JP (1) JPS4838962A (OSRAM)
CA (1) CA995760A (OSRAM)
ES (1) ES406588A1 (OSRAM)
FR (1) FR2154076A5 (OSRAM)
GB (1) GB1355160A (OSRAM)
NL (1) NL7212561A (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766479A (en) * 1971-10-04 1973-10-16 Ncr Carrier detection circuit
US3882272A (en) * 1973-12-21 1975-05-06 Xerox Corp Carrier detector
US4009356A (en) * 1974-01-31 1977-02-22 Milgo Electronic Corporation Data modems having data drop-out and data echo protection
DE2905471B1 (de) * 1979-02-13 1980-02-21 Siemens Ag System zum Empfang frequenzmodulierter digitaler Nachrichtensignale
DE2628997C3 (de) * 1976-06-28 1978-11-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen System zum Empfang frequenzmodulierter digitaler Nachrichtensignale
US4528678A (en) * 1983-07-05 1985-07-09 Westinghouse Electric Corp. Nonlinear noise reduction apparatus with memory
USRE37141E1 (en) 1984-09-10 2001-04-17 Spectrum Information Technologies, Inc. Cellular telephone data communication system and method
US4697281A (en) 1986-03-14 1987-09-29 Spectrum Cellular Communications Corporation, Inc. Cellular telephone data communication system and method
ATE121954T1 (de) * 1988-08-24 1995-05-15 Marvin J Slepian Endoluminale dichtung mit bisdegradierbaren polymeren.
US4972457A (en) 1989-01-19 1990-11-20 Spectrum Information Technologies, Inc. Portable hybrid communication system and methods
USRE38645E1 (en) 1989-01-19 2004-11-02 Mlr, Llc Portable hybrid communication system and methods
US5127041A (en) * 1990-06-01 1992-06-30 Spectrum Information Technologies, Inc. System and method for interfacing computers to diverse telephone networks
US5249218A (en) * 1992-04-06 1993-09-28 Spectrum Information Technologies, Inc. Programmable universal interface system
US5530737A (en) * 1993-03-22 1996-06-25 Phonex Corporation Secure access telephone extension system and method
US5743633A (en) * 1995-12-27 1998-04-28 Physical Optics Corporation Bar code illuminator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628058A (en) * 1970-02-24 1971-12-14 Motorola Inc Integrated dual time constant squelch circuit
US3654555A (en) * 1970-08-19 1972-04-04 Motorola Inc Carrier and tone squelch circuit with elimination of noise at end of transmission

Also Published As

Publication number Publication date
ES406588A1 (es) 1975-10-01
FR2154076A5 (OSRAM) 1973-05-04
DE2244653B2 (de) 1977-02-10
GB1355160A (en) 1974-06-05
US3711777A (en) 1973-01-16
DE2244653A1 (de) 1973-03-22
CA995760A (en) 1976-08-24
JPS4838962A (OSRAM) 1973-06-08

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BI The patent application has been withdrawn