FR1191701A - Mechanical filter for high frequencies - Google Patents

Mechanical filter for high frequencies

Info

Publication number
FR1191701A
FR1191701A FR1191701DA FR1191701A FR 1191701 A FR1191701 A FR 1191701A FR 1191701D A FR1191701D A FR 1191701DA FR 1191701 A FR1191701 A FR 1191701A
Authority
FR
France
Prior art keywords
high frequencies
mechanical filter
filter
mechanical
frequencies
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Manfred Borner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken AG
Original Assignee
Telefunken AG
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 Telefunken AG filed Critical Telefunken AG
Application granted granted Critical
Publication of FR1191701A publication Critical patent/FR1191701A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
    • B62J6/01—Electric circuits
    • B62J6/015—Electric circuits using electrical power not supplied by the cycle motor generator, e.g. using batteries or piezo elements
FR1191701D 1957-03-20 1958-02-19 Mechanical filter for high frequencies Expired FR1191701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE355872X 1957-03-20

Publications (1)

Publication Number Publication Date
FR1191701A true FR1191701A (en) 1959-10-21

Family

ID=6290125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1191701D Expired FR1191701A (en) 1957-03-20 1958-02-19 Mechanical filter for high frequencies

Country Status (6)

Country Link
US (1) US2969511A (en)
CH (1) CH355872A (en)
DE (1) DE1252817B (en)
FR (1) FR1191701A (en)
GB (1) GB842194A (en)
NL (1) NL113896C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360212A1 (en) * 1976-07-26 1978-02-24 Lignes Telegraph Telephon Electromechanical filter element coupling - includes quarter wave quartz elements to reduce parasitic resonance outside passband by eight five db

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214811B (en) * 1963-01-18 1966-04-21 Telefunken Patent Mechanical resonance filter
US3874041A (en) * 1972-06-13 1975-04-01 Dzus Fastener Co Fasteners
JPS5429726Y2 (en) * 1973-02-12 1979-09-20
GB1437288A (en) * 1973-06-11 1976-05-26 Kokusai Electric Co Ltd Mechanical filter
JPS5091438U (en) * 1973-12-21 1975-08-01
JPS54109355A (en) * 1978-02-15 1979-08-27 Fujitsu Ltd Mechanical filter
US7530322B2 (en) * 2006-06-24 2009-05-12 Angelini Joseph A Boat foldable into a compact self-contained shape

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1788519A (en) * 1926-05-26 1931-01-13 Western Electric Co Mechanical transmission system
US1933306A (en) * 1931-04-30 1933-10-31 Gen Electric Electrical frequency analyzer
US2318417A (en) * 1942-06-02 1943-05-04 Gen Electric Artificial reverberation system
US2615981A (en) * 1949-01-14 1952-10-28 Collins Radio Co Electromechanical filter
US2738467A (en) * 1953-03-12 1956-03-13 Rca Corp Mechanical resonator coupling utilizing poisson's effect
US2799832A (en) * 1953-09-11 1957-07-16 Motoroln Inc Electromechanical filter
US2814785A (en) * 1955-07-29 1957-11-26 Rca Corp Electromechanical filter
US2829350A (en) * 1955-08-16 1958-04-01 Collins Radio Co Mechanical filter with coupling wires
US2856588A (en) * 1956-03-01 1958-10-14 Rca Corp Mechanical filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360212A1 (en) * 1976-07-26 1978-02-24 Lignes Telegraph Telephon Electromechanical filter element coupling - includes quarter wave quartz elements to reduce parasitic resonance outside passband by eight five db

Also Published As

Publication number Publication date
CH355872A (en) 1961-07-31
DE1252817B (en)
GB842194A (en) 1960-07-20
NL113896C (en)
US2969511A (en) 1961-01-24

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