NL93192C - - Google Patents
Info
- Publication number
- NL93192C NL93192C NL93192DA NL93192C NL 93192 C NL93192 C NL 93192C NL 93192D A NL93192D A NL 93192DA NL 93192 C NL93192 C NL 93192C
- Authority
- NL
- Netherlands
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D203/00—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom
- C07D203/04—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D203/06—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D203/08—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom
- C07D203/14—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom with carbocyclic rings directly attached to the ring nitrogen atom
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/04—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
- H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL214061X | 1939-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL93192C true NL93192C (xx) |
Family
ID=19778984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL93192D NL93192C (xx) | 1939-05-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2276724A (xx) |
| CH (1) | CH214061A (xx) |
| FR (1) | FR865336A (xx) |
| NL (1) | NL93192C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419968A (en) * | 1944-07-26 | 1947-05-06 | Gen Electric | Push button tuner for multiband radio receivers |
| DE951820C (de) * | 1952-06-12 | 1956-11-08 | Blaupunkt Werke G M B H Zweign | Drucktastenanordnung fuer Nachrichtengeraete |
| DE960907C (de) * | 1953-09-11 | 1957-03-28 | Blaupunkt Werke Gmbh | Drucktastenschalter fuer Bereichs- und Stationsauswahl in Rundfunk- und Fernsehempfangsgeraeten |
| US3136176A (en) * | 1960-04-14 | 1964-06-09 | Painton & Co Ltd | Control arms for electronic, electrical and other instruments |
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0
- NL NL93192D patent/NL93192C/xx active
-
1940
- 1940-05-01 CH CH214061D patent/CH214061A/de unknown
- 1940-05-02 FR FR865336D patent/FR865336A/fr not_active Expired
- 1940-05-02 US US332920A patent/US2276724A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2276724A (en) | 1942-03-17 |
| FR865336A (fr) | 1941-05-20 |
| CH214061A (de) | 1941-03-31 |