FR946250A - Frequency recording systems for radio communications - Google Patents

Frequency recording systems for radio communications

Info

Publication number
FR946250A
FR946250A FR946250DA FR946250A FR 946250 A FR946250 A FR 946250A FR 946250D A FR946250D A FR 946250DA FR 946250 A FR946250 A FR 946250A
Authority
FR
France
Prior art keywords
radio communications
recording systems
frequency recording
frequency
systems
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
French (fr)
Inventor
Donald David Grieg
Ralph Beryl Reade
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.)
International Standard Electric Corp
Original Assignee
International 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR946250A publication Critical patent/FR946250A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/40Jamming having variable characteristics
    • H04K3/45Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic frequency control
    • H03J7/04Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR946250D 1946-05-04 1947-05-05 Frequency recording systems for radio communications Expired FR946250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US946250XA 1946-05-04 1946-05-04

Publications (1)

Publication Number Publication Date
FR946250A true FR946250A (en) 1949-05-27

Family

ID=22246220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946250D Expired FR946250A (en) 1946-05-04 1947-05-05 Frequency recording systems for radio communications

Country Status (2)

Country Link
BE (1) BE474056A (en)
FR (1) FR946250A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986731A (en) * 1955-06-16 1961-05-30 Gregory J Harmon Pulse radar system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986731A (en) * 1955-06-16 1961-05-30 Gregory J Harmon Pulse radar system

Also Published As

Publication number Publication date
BE474056A (en)

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