NL137049B - - Google Patents
Info
- Publication number
- NL137049B NL137049B NL137049DA NL137049B NL 137049 B NL137049 B NL 137049B NL 137049D A NL137049D A NL 137049DA NL 137049 B NL137049 B NL 137049B
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/545—Filters comprising resonators of piezoelectric or electrostrictive material including active elements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/14—Monoazo compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US658618A US2445719A (en) | 1946-04-01 | 1946-04-01 | Electrical component |
Publications (1)
Publication Number | Publication Date |
---|---|
NL137049B true NL137049B (en) |
Family
ID=24641984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL137049D NL137049B (en) | 1946-04-01 |
Country Status (2)
Country | Link |
---|---|
US (1) | US2445719A (en) |
NL (1) | NL137049B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2515673A (en) * | 1946-02-27 | 1950-07-18 | James Knights Company | Electrical component |
US2665329A (en) * | 1947-03-11 | 1954-01-05 | Everett D Mccurdy | Closure and terminal seal for electrolytic devices |
US2575819A (en) * | 1949-02-03 | 1951-11-20 | Bell Telephone Labor Inc | Crystal unit |
US2640374A (en) * | 1949-12-07 | 1953-06-02 | Mack Mfg Corp | Dual transmission control |
US2826630A (en) * | 1952-07-25 | 1958-03-11 | Klebanoff Michael | Hermetic crystal holder |
US2877389A (en) * | 1953-06-25 | 1959-03-10 | Globe Union Inc | Printed electronic circuit |
US2945162A (en) * | 1954-05-28 | 1960-07-12 | Stewart Warner Corp | Method and apparatus for assembling and interconnecting electronic apparatus |
USB326592I5 (en) * | 1961-03-27 | |||
US3354413A (en) * | 1961-11-13 | 1967-11-21 | Kokusai Electric Co Ltd | Electromechanical filter for low frequencies |
US3327254A (en) * | 1962-10-26 | 1967-06-20 | Jr Joseph N Farace | Filter assembly |
US3209209A (en) * | 1963-02-21 | 1965-09-28 | Burroughs Corp | Means for connecting electrical component to circuit board |
DE1289136B (en) * | 1967-11-20 | 1969-02-13 | Siemens Ag | Electromechanical converter for converting electrical vibrations into mechanical vibrations |
JP2007116622A (en) * | 2005-10-24 | 2007-05-10 | Seiko Instruments Inc | Piezoelectric vibrator and method of manufacturing the same, surface-mounted piezoelectric vibrator and method of manufacturing the same, oscillator, electronic equipment and radio wave clock |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1833966A (en) * | 1924-12-03 | 1931-12-01 | American Telephone & Telegraph | Multiplex system |
US1994228A (en) * | 1931-02-19 | 1935-03-12 | Telefunken Gmbh | Temperature control of piezo-electric crystal apparatus |
US2171243A (en) * | 1937-05-14 | 1939-08-29 | Rca Corp | Frequency control system |
-
0
- NL NL137049D patent/NL137049B/xx unknown
-
1946
- 1946-04-01 US US658618A patent/US2445719A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2445719A (en) | 1948-07-20 |