CH334108A - Bandpass filter device - Google Patents

Bandpass filter device

Info

Publication number
CH334108A
CH334108A CH334108DA CH334108A CH 334108 A CH334108 A CH 334108A CH 334108D A CH334108D A CH 334108DA CH 334108 A CH334108 A CH 334108A
Authority
CH
Switzerland
Prior art keywords
filter device
bandpass filter
bandpass
filter
Prior art date
Application number
Other languages
French (fr)
Inventor
D Grieg Donald
Original Assignee
Standard Telephone & Radio Sa
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 Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH334108A publication Critical patent/CH334108A/en

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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CH334108D 1952-08-02 1953-08-01 Bandpass filter device CH334108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US334108XA 1952-08-02 1952-08-02

Publications (1)

Publication Number Publication Date
CH334108A true CH334108A (en) 1958-11-15

Family

ID=21870252

Family Applications (1)

Application Number Title Priority Date Filing Date
CH334108D CH334108A (en) 1952-08-02 1953-08-01 Bandpass filter device

Country Status (2)

Country Link
US (1) US2735073A (en)
CH (1) CH334108A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829348A (en) * 1952-04-02 1958-04-01 Itt Line-above-ground to hollow waveguide coupling
US2863093A (en) * 1952-04-08 1958-12-02 Itt Traveling wave electron discharge devices
NL180280B (en) * 1952-08-02 Euteco Impianti Spa PROCESS FOR PREPARING A CATALYST BASED ON MOLYBDEEN AND IRON OXIDE FOR THE OXIDATION FROM METHANOL TO FORMALDEHYDE.
US2877426A (en) * 1953-02-02 1959-03-10 Itt Microwave transmission lines
US2901709A (en) * 1954-12-14 1959-08-25 Gen Electric Wave coupling arrangement
US2866167A (en) * 1955-05-26 1958-12-23 Itt Microwave switch
US2937259A (en) * 1957-02-01 1960-05-17 Du Mont Allen B Lab Inc Ultra-high frequency heating apparatus
US3359513A (en) * 1965-08-31 1967-12-19 Douglas J Kelley Strip transmission line having phase trimmer means
JPS60180202A (en) * 1984-02-27 1985-09-14 Sony Corp Strip line circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2272589A (en) * 1938-04-07 1942-02-10 Lorenz C Ag Regenerative wave band filter
US2390768A (en) * 1944-10-07 1945-12-11 Gen Electric Variable selectivity amplifier
US2611822A (en) * 1945-02-03 1952-09-23 Bliss William Roderic Coupling device
US2519524A (en) * 1947-08-13 1950-08-22 Hazeltine Research Inc Multiple-tuned wave-selector system

Also Published As

Publication number Publication date
US2735073A (en) 1956-02-14

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