CA923561A - Device for transmission of information at varying frequency - Google Patents

Device for transmission of information at varying frequency

Info

Publication number
CA923561A
CA923561A CA101000A CA101000A CA923561A CA 923561 A CA923561 A CA 923561A CA 101000 A CA101000 A CA 101000A CA 101000 A CA101000 A CA 101000A CA 923561 A CA923561 A CA 923561A
Authority
CA
Canada
Prior art keywords
transmission
information
varying frequency
varying
frequency
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
CA101000A
Other versions
CA101000S (en
Inventor
H. Bjorkman Bengt
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA923561A publication Critical patent/CA923561A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/003—Secret communication by varying carrier frequency at or within predetermined or random intervals
CA101000A 1969-12-23 1970-12-18 Device for transmission of information at varying frequency Expired CA923561A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1790969A SE338076B (en) 1969-12-23 1969-12-23

Publications (1)

Publication Number Publication Date
CA923561A true CA923561A (en) 1973-03-27

Family

ID=20304093

Family Applications (1)

Application Number Title Priority Date Filing Date
CA101000A Expired CA923561A (en) 1969-12-23 1970-12-18 Device for transmission of information at varying frequency

Country Status (6)

Country Link
JP (1) JPS4948243B1 (en)
CA (1) CA923561A (en)
DE (1) DE2061744A1 (en)
FR (1) FR2074201A5 (en)
GB (1) GB1287375A (en)
SE (1) SE338076B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520952A1 (en) * 1982-02-03 1983-08-05 Trt Telecom Radio Electr AUTOMATIC GAIN CONTROL DEVICE (AGC) WITH QUICK ACTION
DE3429453C1 (en) * 1984-08-10 1992-05-27 Siemens Ag Procedure for secure radio signal transmission
GB8915172D0 (en) * 1989-07-01 1989-08-23 Orbitel Mobile Communications Receiver gain control for radio telephone system
WO1992010882A1 (en) * 1990-12-05 1992-06-25 Allied-Signal Inc. Seamless frequency hopping system
US5319801A (en) * 1990-12-05 1994-06-07 Alliedsignal Inc. Seamless frequency hopping system

Also Published As

Publication number Publication date
GB1287375A (en) 1972-08-31
SE338076B (en) 1971-08-30
JPS4948243B1 (en) 1974-12-20
FR2074201A5 (en) 1971-10-01
DE2061744A1 (en) 1971-07-01

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