NL64998C - - Google Patents

Info

Publication number: NL64998C
Authority: NL; Netherlands

Application number

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.)

1937-08-11

Publication of NL64998C publication Critical patent/NL64998C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Mobile Radio Communication Systems (AREA)
Radio Relay Systems (AREA)

NL64998D 1937-08-11 NL64998C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US158464A US2179106A (en)	1937-08-11	1937-08-11	Secrecy signaling system

Publications (1)

Publication Number	Publication Date
NL64998C true NL64998C (enrdf_load_stackoverflow)

Family

ID=22568249

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL64998D NL64998C (enrdf_load_stackoverflow)	1937-08-11

Country Status (6)

Country	Link
US (1)	US2179106A (enrdf_load_stackoverflow)
BE (2)	BE516088A (enrdf_load_stackoverflow)
CH (1)	CH225897A (enrdf_load_stackoverflow)
FR (1)	FR841895A (enrdf_load_stackoverflow)
GB (1)	GB516088A (enrdf_load_stackoverflow)
NL (1)	NL64998C (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB595712A (en) *	1943-08-02	1947-12-15	Comm Engineering Pty Ltd	Multi-channel telephone systems
US2490022A (en) *	1943-09-08	1949-12-06	Tung Sol Lamp Works Inc	Secret signaling system
BE459652A (enrdf_load_stackoverflow) *	1944-05-08	1945-09-29
BE473802A (enrdf_load_stackoverflow) *	1946-08-20
US2535442A (en) *	1949-07-26	1950-12-26	James L A Mclaughlin	Heterodyne eliminator communication system
US2609535A (en) *	1950-02-06	1952-09-02	Padevco Inc	Multiplex frequency modulation system
US3011026A (en) *	1956-05-28	1961-11-28	Zenith Radio Corp	Signal-translating apparatus

0
- BE BE429534D patent/BE429534A/xx unknown
- BE BE516088D patent/BE516088A/xx unknown
- NL NL64998D patent/NL64998C/xx active
1937
- 1937-08-11 US US158464A patent/US2179106A/en not_active Expired - Lifetime
1938
- 1938-07-12 GB GB20663/38A patent/GB516088A/en not_active Expired
- 1938-08-08 FR FR841895D patent/FR841895A/fr not_active Expired
- 1938-08-11 CH CH225897D patent/CH225897A/fr unknown

Also Published As

Publication number	Publication date
US2179106A (en)	1939-11-07
GB516088A (en)	1939-12-21
BE429534A (enrdf_load_stackoverflow)
CH225897A (fr)	1943-02-28
FR841895A (fr)	1939-05-31
BE516088A (enrdf_load_stackoverflow)

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