NL55659C - - Google Patents

Info

Publication number: NL55659C
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.)

1939-01-24

Publication of NL55659C publication Critical patent/NL55659C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/40—Applications of speech amplifiers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/16—Monitoring arrangements

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)

NL55659D 1939-01-24 NL55659C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE214508X		1939-01-24

Publications (1)

Publication Number	Publication Date
NL55659C true NL55659C (enrdf_load_stackoverflow)

Family

ID=5819084

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL55659D NL55659C (enrdf_load_stackoverflow)	1939-01-24

Country Status (3)

Country	Link
CH (1)	CH214508A (enrdf_load_stackoverflow)
FR (1)	FR868660A (enrdf_load_stackoverflow)
NL (1)	NL55659C (enrdf_load_stackoverflow)

0
- NL NL55659D patent/NL55659C/xx active
1939
- 1939-12-22 CH CH214508D patent/CH214508A/de unknown
1940
- 1940-12-30 FR FR868660D patent/FR868660A/fr not_active Expired

Also Published As

Publication number	Publication date
CH214508A (de)	1941-04-30
FR868660A (fr)	1942-01-12

Similar Documents

Publication	Publication Date	Title
NL55659C (enrdf_load_stackoverflow)
BE403779A (enrdf_load_stackoverflow)
BE413600A (enrdf_load_stackoverflow)
BE421934A (enrdf_load_stackoverflow)
BE428333A (enrdf_load_stackoverflow)
BE431181A (enrdf_load_stackoverflow)
BE432222A (enrdf_load_stackoverflow)
BE432228A (enrdf_load_stackoverflow)
BE432632A (enrdf_load_stackoverflow)
BE432683A (enrdf_load_stackoverflow)
BE432823A (enrdf_load_stackoverflow)
BE432902A (enrdf_load_stackoverflow)
BE432967A (enrdf_load_stackoverflow)
BE432980A (enrdf_load_stackoverflow)
BE433383A (enrdf_load_stackoverflow)
BE433398A (enrdf_load_stackoverflow)
BE433403A (enrdf_load_stackoverflow)
BE433599A (enrdf_load_stackoverflow)
BE433615A (enrdf_load_stackoverflow)
BE433626A (enrdf_load_stackoverflow)
BE433708A (enrdf_load_stackoverflow)	1939-05-31
BE433833A (enrdf_load_stackoverflow)
BE433845A (enrdf_load_stackoverflow)
BE433856A (enrdf_load_stackoverflow)	1939-05-31
BE433994A (enrdf_load_stackoverflow)