NL170359B - Radiotelefoonstelsel met impulsmodulatie. - Google Patents

Radiotelefoonstelsel met impulsmodulatie.

Info

Publication number
NL170359B
NL170359B NLAANVRAGE6903864,A NL170359DA NL170359B NL 170359 B NL170359 B NL 170359B NL 170359D A NL170359D A NL 170359DA NL 170359 B NL170359 B NL 170359B
Authority
NL
Netherlands
Prior art keywords
phone system
pulse modulation
radio phone
radio
modulation
Prior art date
Application number
NLAANVRAGE6903864,A
Other languages
English (en)
Dutch (nl)
Original Assignee
Patelhold Patentverwertung
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.)
Publication of NL170359B publication Critical patent/NL170359B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/22—Attenuating devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/08—Microstrips; Strip lines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24—Frequency- independent attenuators
NLAANVRAGE6903864,A 1951-06-18 Radiotelefoonstelsel met impulsmodulatie. NL170359B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US232102A US2710946A (en) 1951-06-18 1951-06-18 Supports for microwave transmission lines

Publications (1)

Publication Number Publication Date
NL170359B true NL170359B (nl)

Family

ID=22871881

Family Applications (3)

Application Number Title Priority Date Filing Date
NL92839D NL92839C (ko) 1951-06-18
NL94989D NL94989C (ko) 1951-06-18
NLAANVRAGE6903864,A NL170359B (nl) 1951-06-18 Radiotelefoonstelsel met impulsmodulatie.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
NL92839D NL92839C (ko) 1951-06-18
NL94989D NL94989C (ko) 1951-06-18

Country Status (6)

Country Link
US (1) US2710946A (ko)
BE (2) BE512422A (ko)
CH (2) CH316041A (ko)
ES (1) ES203823A1 (ko)
GB (2) GB708596A (ko)
NL (3) NL170359B (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961623A (en) * 1960-11-22 Movable support means for center
US2820206A (en) * 1952-05-08 1958-01-14 Itt Microwave filters
BE547793A (ko) * 1955-05-13
GB828241A (en) * 1957-02-22 1960-02-17 Standard Telephones Cables Ltd Microwave directional coupler
US3303439A (en) * 1965-06-14 1967-02-07 Western Electric Co Strip transmission line interboard connection
JPS4947713B1 (ko) * 1970-04-27 1974-12-17
JP6733591B2 (ja) * 2017-04-11 2020-08-05 株式会社デンソー 車室内通信システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1924115A (en) * 1930-04-08 1933-08-29 Bell Telephone Labor Inc Protective means for electrical systems
US2121855A (en) * 1934-07-05 1938-06-28 Telefunken Gmbh Coupling high-frequency apparatus
US2159648A (en) * 1937-09-08 1939-05-23 Mackay Radio & Telegraph Co Transmission modifying network
US2409449A (en) * 1943-12-30 1946-10-15 Rca Corp Phase modulator
US2611822A (en) * 1945-02-03 1952-09-23 Bliss William Roderic Coupling device
US2421137A (en) * 1945-06-01 1947-05-27 Hazeltine Research Inc Transmission line

Also Published As

Publication number Publication date
BE512422A (ko)
NL94989C (ko)
CH316041A (fr) 1956-09-15
GB718957A (en) 1954-11-24
ES203823A1 (es) 1952-07-01
BE512177A (ko)
GB708596A (en) 1954-05-05
CH319083A (fr) 1957-01-31
NL92839C (ko)
US2710946A (en) 1955-06-14

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