DK77137C - Tone frequency signal receiver. - Google Patents

Tone frequency signal receiver.

Info

Publication number
DK77137C
DK77137C DK177548A DK177548A DK77137C DK 77137 C DK77137 C DK 77137C DK 177548 A DK177548 A DK 177548A DK 177548 A DK177548 A DK 177548A DK 77137 C DK77137 C DK 77137C
Authority
DK
Denmark
Prior art keywords
frequency signal
signal receiver
tone frequency
tone
receiver
Prior art date
Application number
DK177548A
Other languages
Danish (da)
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
Application granted granted Critical
Publication of DK77137C publication Critical patent/DK77137C/en

Links

DK177548A 1947-04-30 1948-05-31 Tone frequency signal receiver. DK77137C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB77137X 1947-04-30

Publications (1)

Publication Number Publication Date
DK77137C true DK77137C (en) 1954-02-22

Family

ID=9838330

Family Applications (1)

Application Number Title Priority Date Filing Date
DK177548A DK77137C (en) 1947-04-30 1948-05-31 Tone frequency signal receiver.

Country Status (1)

Country Link
DK (1) DK77137C (en)

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