CH546457A - Frequenzbandwandler. - Google Patents

Frequenzbandwandler.

Info

Publication number: CH546457A
Authority: CH; Switzerland
Prior art keywords: frequency band; band converter; converter; frequency; band
Prior art date: 1970-05-07

Application number

CH681471A

Other languages

German (de)

English (en)

Original Assignee

Raytheon Co

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.)

1970-05-07

Filing date

1971-05-07

Publication date

1974-02-28

1971-05-07 Application filed by Raytheon Co filed Critical Raytheon Co

1974-02-28 Publication of CH546457A publication Critical patent/CH546457A/xx

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing ultrasonic, sonic or infrasonic waves
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Analogue/Digital Conversion (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)

CH681471A 1970-05-07 1971-05-07 Frequenzbandwandler. CH546457A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US3537570A	1970-05-07	1970-05-07

Publications (1)

Publication Number	Publication Date
CH546457A true CH546457A (de)	1974-02-28

Family

ID=21882295

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH681471A CH546457A (de)	1970-05-07	1971-05-07	Frequenzbandwandler.

Country Status (7)

Country	Link
BE (1)	BE766768A (fr)
CA (1)	CA961978A (fr)
CH (1)	CH546457A (fr)
DE (1)	DE2122261B2 (fr)
FR (1)	FR2091111A5 (fr)
GB (1)	GB1325621A (fr)
NL (1)	NL7106153A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4342104A (en) *	1979-11-02	1982-07-27	University Court Of The University Of Edinburgh	Helium-speech communication
RU2219658C2 (ru) *	2001-02-12	2003-12-20	Поволжская государственная академия телекоммуникаций и информатики	Устройство сжатия и восстановления ширины спектра информационных электрических сигналов с ограниченной полосой частот

1971
- 1971-04-21 GB GB1056171A patent/GB1325621A/en not_active Expired
- 1971-04-26 CA CA111,377A patent/CA961978A/en not_active Expired
- 1971-05-03 FR FR7115845A patent/FR2091111A5/fr not_active Expired
- 1971-05-05 BE BE766768A patent/BE766768A/fr unknown
- 1971-05-05 DE DE19712122261 patent/DE2122261B2/de active Pending
- 1971-05-05 NL NL7106153A patent/NL7106153A/xx unknown
- 1971-05-07 CH CH681471A patent/CH546457A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2122261B2 (de)	1975-03-13
FR2091111A5 (fr)	1972-01-14
DE2122261A1 (de)	1971-11-18
NL7106153A (fr)	1971-11-09
BE766768A (fr)	1971-10-01
CA961978A (en)	1975-01-28
GB1325621A (en)	1973-08-08

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Legal Events

Date	Code	Title	Description
1982-01-29	PL	Patent ceased