DE1516907C3 - Verfahren zur Verringerung der Gefahr einer Sperrung und Überlastung nicht abgeschirmter Nachrichtenempfänger - Google Patents

Verfahren zur Verringerung der Gefahr einer Sperrung und Überlastung nicht abgeschirmter Nachrichtenempfänger

Info

Publication number
DE1516907C3
DE1516907C3 DE1516907A DE1516907A DE1516907C3 DE 1516907 C3 DE1516907 C3 DE 1516907C3 DE 1516907 A DE1516907 A DE 1516907A DE 1516907 A DE1516907 A DE 1516907A DE 1516907 C3 DE1516907 C3 DE 1516907C3
Authority
DE
Germany
Prior art keywords
clock
frequency
band
phase
signal
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
DE1516907A
Other languages
German (de)
English (en)
Other versions
DE1516907A1 (de
DE1516907B2 (de
Inventor
Hugh Jacob Oceanport N.J. Beuscher (V.St.A.)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE1516907A1 publication Critical patent/DE1516907A1/de
Publication of DE1516907B2 publication Critical patent/DE1516907B2/de
Application granted granted Critical
Publication of DE1516907C3 publication Critical patent/DE1516907C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/007—Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B29/00—Generation of noise currents and voltages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE1516907A 1965-07-22 1966-07-21 Verfahren zur Verringerung der Gefahr einer Sperrung und Überlastung nicht abgeschirmter Nachrichtenempfänger Expired DE1516907C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US474104A US3354410A (en) 1965-07-22 1965-07-22 Method for reducing interference caused by electromagnetic radiation from clock controlled systems

Publications (3)

Publication Number Publication Date
DE1516907A1 DE1516907A1 (de) 1969-10-02
DE1516907B2 DE1516907B2 (de) 1974-04-04
DE1516907C3 true DE1516907C3 (de) 1974-10-31

Family

ID=23882196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1516907A Expired DE1516907C3 (de) 1965-07-22 1966-07-21 Verfahren zur Verringerung der Gefahr einer Sperrung und Überlastung nicht abgeschirmter Nachrichtenempfänger

Country Status (6)

Country Link
US (1) US3354410A (enExample)
BE (1) BE684495A (enExample)
DE (1) DE1516907C3 (enExample)
FR (1) FR1517737A (enExample)
GB (1) GB1154085A (enExample)
NL (1) NL155425B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544911A (en) * 1968-11-20 1970-12-01 Lfe Corp Phase shift cycle generator for a traffic control unit
US3806811A (en) * 1972-01-20 1974-04-23 Gte Sylvania Inc Multiple carrier phase modulated signal generating apparatus
US4019140A (en) * 1975-10-24 1977-04-19 Bell Telephone Laboratories, Incorporated Methods and apparatus for reducing intelligible crosstalk in single sideband radio systems
JPS56152001A (en) * 1980-04-24 1981-11-25 Nissan Motor Co Ltd Car-mounted electronic control system suppressing noise
US4507796A (en) * 1982-10-20 1985-03-26 Printronix, Inc. Electronic apparatus having low radio frequency interference from system clock signal
US4860309A (en) * 1986-09-17 1989-08-22 Costello John F Trinary bus communication system
DE3802863A1 (de) * 1988-02-01 1989-08-10 Vdo Schindling Verfahren zum betrieb einer taktgesteuerten einrichtung und taktgesteuerte einrichtung
DE3823018A1 (de) * 1988-07-07 1990-01-11 Bosch Gmbh Robert Verfahren und vorrichtung zum entstoeren von mikroprozessor-schaltungen
US5488627A (en) * 1993-11-29 1996-01-30 Lexmark International, Inc. Spread spectrum clock generator and associated method
US5631920A (en) * 1993-11-29 1997-05-20 Lexmark International, Inc. Spread spectrum clock generator
EP0705505B1 (en) * 1994-04-21 2001-01-24 Ericsson Inc. Reducing interference from oscillators in electronic equipment
US5889819A (en) * 1996-08-08 1999-03-30 Hewlett-Packard Company EMI reduction using double sideband suppressed carrier modulation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2352254A (en) * 1943-07-23 1944-06-27 Bell Telephone Labor Inc Frequency modulated wave transmission

Also Published As

Publication number Publication date
NL6610088A (enExample) 1967-01-23
DE1516907A1 (de) 1969-10-02
DE1516907B2 (de) 1974-04-04
US3354410A (en) 1967-11-21
NL155425B (nl) 1977-12-15
BE684495A (enExample) 1967-01-13
GB1154085A (en) 1969-06-04
FR1517737A (fr) 1968-03-22

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee