|
FR861808A
(fr)
*
|
1939-08-02 |
1941-02-18 |
Materiel Telephonique |
éléments piezo-électriques
|
|
US2474241A
(en)
*
|
1945-06-29 |
1949-06-28 |
Standard Telephones Cables Ltd |
Piezoelectric crystal structure
|
|
US2702885A
(en)
*
|
1946-04-17 |
1955-02-22 |
Shapiro Herbert |
Supersonic delay line
|
|
US2502970A
(en)
*
|
1946-10-11 |
1950-04-04 |
Western Electric Co |
Electrical device
|
|
GB634450A
(en)
*
|
1947-09-17 |
1950-03-22 |
Automatic Telephone & Elect |
Improvements in or relating to mounting arrangements for piezo electric crystals
|
|
US2608745A
(en)
*
|
1948-06-30 |
1952-09-02 |
Bell Telephone Labor Inc |
Soldering apparatus for piezoelectric crystals
|
|
US2546321A
(en)
*
|
1949-02-12 |
1951-03-27 |
Bell Telephone Labor Inc |
Piezoelectric crystal apparatus
|
|
US2597797A
(en)
*
|
1949-04-19 |
1952-05-20 |
James Knights Company |
Crystal holder
|
|
US2559494A
(en)
*
|
1949-04-29 |
1951-07-03 |
Rca Corp |
Piezoelectric crystal holder
|
|
US2656473A
(en)
*
|
1950-05-24 |
1953-10-20 |
Bell Telephone Labor Inc |
Crystal unit for use at high temperatures
|
|
US2697047A
(en)
*
|
1950-09-14 |
1954-12-14 |
Bell Telephone Labor Inc |
Method of providing a spot of silver on a piezoelectric crystal
|
|
US2771561A
(en)
*
|
1952-03-17 |
1956-11-20 |
Pye Ltd |
Quartz crystal units
|
|
NL187160B
(nl)
*
|
1953-06-15 |
|
American Cyanamid Co |
Werkwijze voor het bereiden van n-alkylanilinen.
|
|
US2824981A
(en)
*
|
1954-11-03 |
1958-02-25 |
Walter J Warden |
Piezoelectric crystal holder
|
|
US2965773A
(en)
*
|
1957-12-31 |
1960-12-20 |
Hill Electronic Engineering An |
Crystal mounting structure with damping means
|
|
US3046423A
(en)
*
|
1958-10-09 |
1962-07-24 |
Bliley Electric Company |
High shock and vibration resistant piezoelectric crystal units
|
|
US3054915A
(en)
*
|
1959-03-16 |
1962-09-18 |
Hill Electronics Inc |
Mount for piezo-electric crystal
|
|
US3119172A
(en)
*
|
1959-05-15 |
1964-01-28 |
Jerome J M Mazenko |
Method of making an electrical connection
|
|
AT238322B
(de)
*
|
1962-04-19 |
1965-02-10 |
Philips Nv |
Verfahren zum Anbringen von Kontakten an halbleitenden keramischen Körpern aus n-leitendem oxydischen Material
|
|
CH499819A
(de)
*
|
1969-01-13 |
1970-06-30 |
Centre Electron Horloger |
Vorrichtung zum Aufhängen von Biegeschwingern in Zeitmessgeräten
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CH581405A5
(enrdf_load_stackoverflow)
*
|
1974-03-29 |
1976-10-29 |
Suisse Horlogerie |
|
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US6111338A
(en)
*
|
1993-05-28 |
2000-08-29 |
Matsushita Electric Industrial Co., Ltd. |
Acceleration sensor and method for producing the same
|
|
US7851970B2
(en)
*
|
2006-12-22 |
2010-12-14 |
The Charles Stark Draper Laboratory, Inc. |
Structures for crystal packaging including flexible membranes
|
|
US8484823B2
(en)
*
|
2009-08-28 |
2013-07-16 |
The Charles Stark Draper Laboratory, Inc. |
Methods and apparatus for mounting a crystal
|