NL90299C - - Google Patents

Info

Publication number: NL90299C
Authority: NL; Netherlands

Application number

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.)

1950-03-21

Publication of NL90299C publication Critical patent/NL90299C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
- H01J19/44—Insulation between electrodes or supports within the vacuum space
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/14—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with amplifying devices having more than three electrodes or more than two PN junctions

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)
Bipolar Transistors (AREA)
Bipolar Integrated Circuits (AREA)

NL90299D 1950-03-21 NL90299C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB7017/50A GB695019A (en)	1950-03-21	1950-03-21	Improvements in or relating to amplifiers employing semi-conductors

Publications (1)

Publication Number	Publication Date
NL90299C true NL90299C (en)

Family

ID=9825054

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL90299D NL90299C (en)	1950-03-21

Country Status (5)

Country	Link
US (1)	US2680159A (en)
DE (1)	DE968666C (en)
FR (1)	FR1034265A (en)
GB (2)	GB682206A (en)
NL (1)	NL90299C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB692337A (en) *	1951-10-24	1953-06-03	Standard Telephones Cables Ltd	Improvements in or relating to electron beam tube arrangements
US2717342A (en) *	1952-10-28	1955-09-06	Bell Telephone Labor Inc	Semiconductor translating devices
DE1039646B (en) *	1953-10-19	1958-09-25	Siemens Ag	Method for producing a semiconductor arrangement with several transitions between zones of different conductivity types
US2829992A (en) *	1954-02-02	1958-04-08	Hughes Aircraft Co	Fused junction semiconductor devices and method of making same
US2886748A (en) *	1954-03-15	1959-05-12	Rca Corp	Semiconductor devices
US2805347A (en) *	1954-05-27	1957-09-03	Bell Telephone Labor Inc	Semiconductive devices
US2846626A (en) *	1954-07-28	1958-08-05	Raytheon Mfg Co	Junction transistors and methods of forming them
US2889417A (en) *	1956-01-26	1959-06-02	Honeywell Regulator Co	Tetrode transistor bias circuit
CH335368A (en) *	1957-12-28	1958-12-31	Suisse Horlogerie	Transistor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2402661A (en) *	1941-03-01	1946-06-25	Bell Telephone Labor Inc	Alternating current rectifier
US2600500A (en) *	1948-09-24	1952-06-17	Bell Telephone Labor Inc	Semiconductor signal translating device with controlled carrier transit times
US2595497A (en) *	1949-01-22	1952-05-06	Rca Corp	Semiconductor device for two-stage amplifiers
US2561411A (en) *	1950-03-08	1951-07-24	Bell Telephone Labor Inc	Semiconductor signal translating device

0
- NL NL90299D patent/NL90299C/xx active
1950
- 1950-03-21 GB GB7018/50A patent/GB682206A/en not_active Expired
- 1950-03-21 GB GB7017/50A patent/GB695019A/en not_active Expired
1951
- 1951-03-13 US US215227A patent/US2680159A/en not_active Expired - Lifetime
- 1951-03-21 FR FR1034265D patent/FR1034265A/en not_active Expired
- 1951-03-21 DE DEI3915A patent/DE968666C/en not_active Expired

Also Published As

Publication number	Publication date
US2680159A (en)	1954-06-01
FR1034265A (en)	1953-07-21
DE968666C (en)	1958-03-20
GB695019A (en)	1953-08-05
GB682206A (en)	1952-11-05

Publication	Publication Date	Title
FR955011A (en)	1950-01-07
FR954478A (en)	1950-01-03
FR955838A (en)	1950-01-20
AT165408B (en)	1950-02-25
AT195820B (en)	1958-02-25
FR66081E (en)	1956-05-03
FR954803A (en)	1950-01-06
FR955684A (en)	1950-01-18
FR955105A (en)	1950-01-10
BE495504A (en)
BE495440A (en)
BE471217A (en)
BE465350A (en)
BE486021A (en)
NL90299C (en)
BE489017A (en)
BE505266A (en)
BE503410A (en)
BE461301A (en)
BE495522A (en)	1950-09-01
BE442233A (en)
BE495516A (en)	1950-09-01
BE365921A (en)
BE495514A (en)
BE493509A (en)